ABOUT THIS POSITION We are seeking a highly skilled and innovative Senior ML Engineer with a passion for building robust, efficient, and domain-specific AI systems using Language Models (LMs) and agentic architectures. As a core member of the team, you will be instrumental in developing the entire ML pipeline, from sophisticated data extraction techniques to fine-tuning specialized LMs and orchestrating their interactions within a multi-agent framework. This is a unique opportunity to apply state-of-the-art Generative AI and NLP techniques to a real-world, high-impact problem, leveraging the latest research in agentic AI and LMs to deliver economical and powerful solutions. WHAT YOU'LL DO Data Pipeline & Knowledge Base Construction: - Design, implement, and optimize robust pipelines for ingesting, parsing, and extracting structured information from complex documents (leveraging OCR, document layout analysis, Named Entity Recognition (NER), and Relationship Extraction (RE). - Develop rich, nested JSON schemas for representing structured data and ensure scalable storage - Generate and manage high-quality vector embeddings for efficient retrieval-augmented generation (RAG) within a Vector Database. Language Model (LM) Development & Fine-tuning: - Research, select, and experiment with appropriate open-source Language Models (Large & Small) (e.g., Phi-3, Mistral, Llama, Nemotron-H families) for specialized tasks. - Design and execute efficient fine-tuning strategies (e.g., LoRA, QLoRA, full fine-tuning) on curated, domain-specific datasets to achieve precise performance for tasks like coverage determination, code lookups, and policy rule application. - Explore and implement knowledge distillation techniques to transfer capabilities from larger models to smaller, more efficient LMs. Agentic System Design & Implementation: - Build and maintain the core agentic framework, including the orchestrator that intelligently routes queries and coordinates interactions between various specialized LM tools. - Develop and integrate "tools" (specialized LMs and external APIs) that perform atomic medical necessity tasks, ensuring strict behavioral alignment and structured outputs. MLOps & Deployment: - Deploy, manage, and monitor LMs and agentic components on Google Cloud Platform (GCP) using services like Vertex AI, GKE, Cloud Functions, and Cloud Run. - Implement robust MLOps practices for continuous integration, continuous delivery (CI/CD), model versioning, and performance monitoring (latency, throughput, accuracy). Continuous Improvement & Research: - Establish effective feedback loops from end-user interactions and system logs to identify areas for model improvement. - Curate and expand training datasets, ensuring data privacy (PHI/PII masking) and legal compliance. - Stay abreast of the latest research in LMs, agentic AI, NLP, and document understanding, applying relevant advancements to our system. Collaboration: - Work closely with subject matter experts, product managers, and other engineers to translate complex requirements into technical solutions and evaluate system performance. WHAT YOU'LL NEED - Bachelor's or Master's degree in Computer Science, Machine Learning, Artificial Intelligence, Statistics, or a related quantitative field. Ph.D. preferred. - 5+ years of professional experience in machine learning engineering, with a strong track record of deploying and maintaining ML models in production environments. - Expertise in programming languages such as Python (with extensive experience in ML libraries like TensorFlow, PyTorch, Scikit-learn). - Deep understanding of machine learning fundamentals, including supervised, unsupervised, and reinforcement learning techniques, as well as deep learning architectures. - Strong experience with cloud platforms (AWS, Azure, GCP) and their ML services. - Proficiency in building and managing data pipelines using tools like Spark, Kafka, SQL, and NoSQL databases. - Demonstrated experience with MLOps principles and tools (e.g., MLflow, Kubeflow, Sagemaker, Airflow). - Excellent problem-solving skills and the ability to work independently on complex issues. - Strong communication and interpersonal skills, with the ability to collaborate effectively in a cross-functional team. - Experience in the healthcare technology domain is a significant plus. - Proven ability to lead technical initiatives and influence architectural decisions. ABOUT WAYSTAR Through a smart platform and better experience, Waystar helps providers simplify healthcare payments and yield powerful results throughout the complete revenue cycle. Waystar’s healthcare payments platform combines innovative, cloud-based technology, robust data, and unparalleled client support to streamline workflows and improve financials so providers can focus on what matters most: their patients and communities. Waystar is trusted by 1M+ providers, 1K+ hospitals and health systems, and is connected to over 5K commercial and Medicaid/Medicare payers. We are deeply committed to living out our organizational values: honesty; kindness; passion; curiosity; fanatical focus; best work, always; making it happen; and joyful, optimistic & fun. Waystar products have won multiple Best in KLAS® or Category Leader awards since 2010 and earned multiple #1 rankings from Black Book™ surveys since 2012. The Waystar platform supports more than 500,000 providers, 1,000 health systems and hospitals, and 5,000 payers and health plans. For more information, visit waystar.com or follow @Waystar on Twitter. WAYSTAR PERKS - Competitive total rewards (base salary + bonus, if applicable) - Customizable benefits package (3 medical plans with Health Saving Account company match) - We offer generous paid time off for our non-exempt team members, starting with 3 weeks + 13 paid holidays, including 2 personal floating holidays. We also offer flexible time off for our exempt team members + 13 paid holidays - Paid parental leave (including maternity + paternity leave) - Education assistance opportunities and free LinkedIn Learning access - Free mental health and family planning programs, including adoption assistance and fertility support - 401(K) program with company match - Pet insurance - Employee resource groups Waystar is proud to be an equal opportunity workplace. We celebrate, value, and support diversity and inclusion. Qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, marital status, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Chromalloy is a global engineering & solutions company. We are a leading provider of aftermarket parts, repairs, and solutions that safely & reliably extend the life of aircraft engines and gas turbines. We develop, manufacture and repair critical turbine components for a range of engine platforms. Our solutions support the engines running the aerospace, energy and defense industries around the world. Video: What We Do Why work at Chromalloy? Chromalloy employees are proud, passionate problem-solvers who strive to live our values every day. A career with Chromalloy is an opportunity to learn from top industry experts, work with important technologies, and unlock a passion for innovation. Join our team of experts, innovators and problem-solvers delivering world-class solutions for our customers. As a global company, we are committed to creating an inclusive environment where all employees feel represented, heard, and able to bring their best selves to work every day. Be part of something bigger with Chromalloy! Our Total Rewards Program is designed to support you today and in the future. - Comprehensive and flexible benefit options starting on day one, including medical, dental, vision, EAP, wellness incentives, and 401(k) with employer matching. - Development & progression opportunities for every employee – regular performance conversations, training and development curriculum, and engineering fellowship programs. - Paid time off, including vacation, sick time, paid holidays, and parental leave—all eligible on your first day of employment! - Competitive pay, including eligibility for quarterly and annual bonuses, depending on role and site. Eligibility for individual benefit plans may vary based on employment status. Position Summary Chromalloy is seeking an experienced Gas Turbine Engineer to support our global energy-sector customers. This role is central to Chromalloy's Continued Operational Safety (COS) and customer technical support initiative and requires a skilled engineering professional capable of leading field investigations, analyzing component conditions, and delivering actionable technical findings to stakeholders at all levels of the organization. The ideal candidate will bring extensive knowledge in gas turbine design and manufacturing, as well as hands‑on experience working for an owner/operator of gas turbines. You will collaborate across engineering, quality, operations, supply chain, and commercial teams to diagnose problems, drive corrective actions, and ensure customer satisfaction. Key Responsibilities Field & Operational Support - Serve as the primary technical contact for customers after hardware or engine delivery, providing expert guidance and timely resolution of operational issues. - Lead customer issue investigations by coordinating with cross‑functional internal teams, including engineering, quality, manufacturing, and field service. - Support root‑cause analysis (RCA) and failure investigations, ensuring accurate diagnosis and transparent communication with customers. - Provide on‑site or remote customer support as needed, occasionally traveling to customer facilities for inspections, technical assessments, or relationship management. COS (Continued Operational Safety) Initiative - Support Chromalloy's COS initiative to ensure ongoing safety and operational integrity of Chromalloy-manufactured parts. - Monitor the in‑service performance of Chromalloy parts, repairs, coatings, and engineered solutions; proactively identify opportunities for reliability or durability enhancements. Data Analysis & Reporting - Analyze engineering data and develop technical reports summarizing engine condition, component condition assessments and trend analysis. - Create and deliver technical presentations and reports as required for internal and external audiences. - Communicate findings, observations, and recommendations to the key stakeholders. - Provide engineering recommendations based on data analysis and field observations. Required Skills & Competencies - Proficiency in Microsoft Office Suite (Excel, Word, PowerPoint) - Basic statistical analysis and data interpretation - Strong understanding of gas turbine engines and associated components - Basic mechanical and repair knowledge relevant to turbine engine systems - Effective communication at all levels of an organization – written and verbal - Fluency in English (spoken and written) - Proficient use of camera and computer equipment for documentation purposes - Flexibility for domestic and/or international travel as required (up to 50% in the first six months) - Must have an active passport or ability to acquire one in a timely manner Preferred Qualifications - Hands-on experience with the GE LM2500 and/or LM6000 aeroderivative gas turbine engines - Experience in MRO, or field service engineering environment - Understanding of failure analysis or root cause investigation methodologies *This role is remote - based in the United States, with active travel to Chromalloy sites and customers (domestic and international)* The salary range for this position reflects a broad spectrum of experience levels. Individual compensation within the range is determined by multiple factors, including relevant experience, education, certifications, job related skills, internal equity, and market conditions. We evaluate each candidate individually to ensure fair and competitive pay decisions. Due to government regulation only US persons (U.S. citizen, U.S. naturalized citizen, U.S. permanent resident, holder of U.S. approved political asylee or refugee status) may be considered for this role. Chromalloy participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. Any offer of employment will also be conditioned upon the successful completion of a background investigation and drug screen in accordance with company policy and applicable federal and state regulations. Chromalloy is an equal opportunity employer - vets/disabled. In the United States, if you need a reasonable accommodation for the online application process due to a disability, please contact: https://www.chromalloy.com/contact-us/

THE ORGANIZATION The Charter School Growth Fund (CSGF) is a leading nonprofit venture philanthropy fund that has spent 20+ years identifying high-quality public charter schools and investing in their growth. Today the portfolio spans 200+ networks, 1,700+ schools, and more than 840,000 students. This role sits within a new public data infrastructure project that CSGF is incubating alongside its core operations. The project is designed to evolve our internal assessment data pipeline into free, open infrastructure that researchers, funders, policymakers, and school networks can use independently. School performance data is currently fragmented across dozens of state agencies, inconsistently formatted, and practically inaccessible to anyone without significant technical resources. This platform processes standardized assessment data across 40+ charter states, calculates school performance metrics, and publishes results through a public-facing portal. A core part of our vision is building toward an open source codebase and we're looking for someone who is excited about that kind of ultimate public-facing technical work, not just internal tooling. THE OPPORTUNITY About Our Team This role sits within a small, dedicated team building public data infrastructure for the education investing, research, and policy community. The team operates as a focused engineering and data function: processing state assessment files, maintaining the data pipeline, publishing metrics, and keeping the platform and its documentation current. Everyone on the team works close to the data and close to the code. The team is organized around four core functions: - Data Collection and Management - Infrastructure and Engineering - Data Validation and QA - Publishing and Documentation Our Analytics Stack - DuckDB + dbt (data modeling) - Python (metrics and validation) - Quarto (portal and documentation) About This Role As an Analytics Engineer you will help build and maintain the data models, validation scripts, and documentation that the platform depends on. This is a one-year contract role with the possibility of extension. This role will report to the Vice President who owns product direction and architecture. The team is highly collaborative and there are always opportunities to develop skills outside the core responsibilities of an individual role. The project runs on an annual state release cycle, with the bulk of new assessment data arriving in the summer months. This role will need to be actively contributing to parser updates and dbt model changes within the first four to six weeks of starting. We are looking for someone who can orient in an unfamiliar codebase quickly and move from observation to independent contribution without an extended onboarding period. KEY RESPONSIBILITIES Below is a general outline of responsibilities. Roles and responsibilities may evolve to meet the needs of the project. Data Modeling and Transformation - Build and maintain dbt models that transform raw state assessment files into clean, analysis-ready datasets - Develop new state parsers for assessment files that vary significantly in format, structure, and quality across states. This requires independent problem solving, not just following established patterns. - Contribute to school and CMO classification reference datasets, keeping them accurate as the underlying data evolves Data Quality, Testing, and Documentation - Write dbt tests and maintain data documentation so that outputs are auditable by external researchers - Perform in-depth QA on state data, identifying and resolving issues across heterogeneous source formats - Author data dictionaries and methodology documentation with the same care as the code itself Data Validation and Portal Publishing - Use Python to perform rigorous QA and data validation: cross-state consistency checks, metric range validation, outlier detection, and regression testing against prior releases - Write validation scripts that can be re-run as data updates, creating a consistent and reviewable QA record - Publish documentation, data dictionaries, and methodology updates to the Quarto-based portal as part of regular data releases. The portal structure exists; this role maintains and extends its content. - Write clearly for a mixed audience: technical enough for researchers building on the data, accessible enough for non-technical partners tracking what changed and why REQUIRED QUALIFICATIONS Expected Skills and Characteristics - Hands-on experience writing and maintaining dbt models in a production or near-production environment - Solid SQL skills, including the ability to debug complex transformations and identify data quality issues - Comfort working with messy, real-world data: inconsistent formats, missing values, undocumented quirks, and files that require investigation before they can be modeled - Comfort with Python for data analysis tasks: reading files, transforming data, writing validation scripts - Ability to work independently on loosely defined problems. New state parsers and unfamiliar file formats are a recurring part of this role, not an exception. - Familiarity with software development practices: version control with Git, code review, and basic CI/CD workflows - Strong written communication skills: able to document data decisions, methodology choices, and known limitations clearly for a non-technical audience - Strong attention to detail and a habit of verifying outputs rather than assuming correctness Nice to Have - Familiarity with DuckDB or other embedded/local analytics databases - Familiarity with Quarto or Markdown for publishing data outputs - Experience contributing to open-source projects or building for public data audiences - Comfort using AI coding tools (Claude Code, Cursor, Copilot, or similar) as part of a day-to-day development workflow - A general orientation toward AI-augmented development: using LLMs routinely across code review, documentation, debugging, and exploratory analysis Educational Background and Work Experience - Experience as an analytics engineer, data analyst, data engineer, or similar role; or relevant undergraduate education (e.g. B.A. in Computer Science, Data Science, or a related field) - Background in education data, public sector data, or policy-adjacent research contexts is a plus COMPENSATION Compensation is commensurate with experience and education. The target salary range for this role is $75,000-$85,000 annually. CSGF offers a very competitive package of benefits, including: health, life, disability, and dental insurance coverage; vacation/holidays and parental leave; and participation in CSGF’s 403(b) plan. Candidates must have permanent authorization to work in the US. START DATE CSGF is seeking candidates who can start as soon as possible. WORKING AT CSGF We are focused on hiring and developing great people and believe that building diverse perspectives across our team makes us more effective in expanding our impact. (This is reflected in Our Commitment Statement.) Our core values are: Results - We believe that student success is the ultimate measure of our performance. - We work with urgency and intentionality for the portfolio and their schools. - We hold ourselves accountable to strong outcomes. - We relentlessly prioritize our resources to drive positive, measurable, attributable impact for the charter leaders, their schools, and ultimately students. - We believe strong results come from good decisions, and the best decisions are made when we use data - both quantitative and qualitative - and gather input from diverse perspectives, especially those most impacted by the work. - We celebrate our wins and learn from our losses. Teamwork - We value organization over team, and we value team over individual. - We actively break down silos and collaborate across teams. - We believe building strong, healthy relationships is critical to move our work forward. - We seek to proactively communicate across teams to strengthen our outcomes and add value for the portfolio. Integrity - We believe that trust is our most important asset, and we must earn and maintain the trust of the portfolio member leaders, investors, and our team to achieve our goals. - We are often entrusted with sensitive and confidential information about the portfolio - we do not ever violate these confidences. - We show ownership for our successes and our failures. - We speak directly to the person, even when it's messy and hard, and get ahead of potential problems. - We do the right thing, even when no one is watching. Respect - We understand and acknowledge our place in the value chain – the students, teachers, principals and other leaders at portfolio networks are doing the hardest, direct and most impactful work in their schools each day. - We prioritize humility and embrace getting better every day. - We are curious and open-minded. - We are aware of our own biases and how they might affect our judgment, and we take ownership to mitigate their impact. Entrepreneurship - We take calculated risks, looking for new ways to add value and improve how we work. - We are problem solvers in all aspects of our work. - We actively connect people and ideas in strategic ways to foster new ideas and learning. - We acknowledge not all investments will succeed and embrace failure as it facilitates deeper learning for our organization and the portfolio. E-VERIFY STATEMENT This employer participates in E-Verify and will provide the federal government with your form I-9 information to confirm that you are authorized to work in the U.S. If E-Verify cannot confirm that you are authorized to work in the, this employer is required to give you written instructions and an opportunity to contact the Department of Homeland Security (DHS) or Social Security Administration (SSA) so you can begin to resolve the issue before the employer can take any action against you. Including terminating employment. Employers can only use E-Verify once you have accepted a job offer and completed the I-9 form. Charter School Growth Fund provides equal employment opportunity for all applicants and employees.

Get to Know Us: It's fun to work in a company where people truly believe in what they're doing! At BlackLine, we're committed to bringing passion and customer focus to the business of enterprise applications. Since being founded in 2001, BlackLine has become a leading provider of cloud software that automates and controls the entire financial close process. Our vision is to modernize the finance and accounting function to enable greater operational effectiveness and agility, and we are committed to delivering innovative solutions and services to empower accounting and finance leaders around the world to achieve Modern Finance. Being a best-in-class SaaS Company, we understand that bringing in new ideas and innovative technology is mission critical. At BlackLine we are always working with new, cutting edge technology that encourages our teams to learn something new and expand their creativity and technical skillset that will accelerate their careers. Work, Play and Grow at BlackLine! Make Your Mark: As a Principal Software Engineer, you will play a crucial role in delivering high quality releases to our customers by defining application architecture, designing, developing, troubleshooting, maintaining, optimizing, and scaling BlackLine's cloud-based backend services and driving innovation into our product suite. In this role, you will work with management to identify strategic directions for system architecture. You will research, test, benchmark and evaluate new technologies, propose scaling solutions, collaborate with other teams to define, and build new features, optimize existing features while writing elegant code, coaching, and mentoring less experienced software engineers and communicating with people at all levels. In this position, every bit of your software design skill be drawn upon in order to drive towards and implement best of breed features in a rapid iterative environment. Your attention to detail, tenacity, and creative problem-solving and thinking ahead will directly impact the company's success, as well as the success of your peers across the organization. If you have a passion for delivering products that make a difference, are driven to make things better in all that you do and are eager to work in a collaborative agile environment where Developers are dedicated to solving customer problems and innovating, you will be a great fit for the team. You'll Get To: - Provide technical expertise and leadership in technology direction, road-mapping, architecture definition, design, development, and delivery of enterprise-class solutions while adhering to timelines, coding standards, requirements, and quality. - Architect, design, develop, test, troubleshoot, debug, optimize, scale, perform the capacity planning, deploy, maintain, and improve software applications, driving the delivery of high-quality value and features to BlackLine's customers. Develop functional and technical specifications, and test plans. - Develop and document functional and technical requirements. - Work collaboratively across the company to design, communicate and further assist with adoption of best practices in architecture and implementation. - Deliver robust architectural solutions for complex design problems. - Implement, refine, and enforce software development techniques to ensure that delivered features meet software integration, performance, security, and maintainability expectations. - Research, test, benchmark, and evaluate new tools and technologies, and recommend ways to implement them in product development. Identify and create solutions that are likely to contribute to the development of new company concepts while keeping in mind the business strategy, short- and long-term roadmap, and architectural considerations to support them in a highly scalable and easy extensible manner. - Identify and create solutions that are likely to contribute to the development of new company concepts while keeping in mind the business strategy, short- and long-term roadmap, and architectural considerations to support them in a highly scalable and easy extensible manner. - Actively participate in research, development, support, management, and other company initiatives designing solutions to optimally address current and future business requirements and infrastructure plans. - Inspire a forward-thinking team of developers, acting as an agent of change and evangelist for a quality-first culture within the organization. Mentor and coach key technical staff and guide them to solutions on complex design issues. - Establish strong relationships with company's leadership to ensure the use of technologies are well. - Act as a conduit for questions and information flow when those outside of Engineering have ideas for new technology applications. - Speak in terms relevant to audience, translating technical concepts into non-technical language and vice versa. Facilitate consensus building while striving for win/win scenarios and elicit value-add contributions from all team members in group settings. - Maintain a strong sense of business value and return on investment in planning, design, and communication. - Proactively identify issues, bottlenecks, gaps, or other areas of concern or opportunity and work to either directly affect change, or advocate for that change by working with peers and leadership to build consensus and act. - Perform critical maintenance, deployment, and release support activities, including occasional off-hours support. - Other duties as assigned. What You'll Bring: - Prior experience of building metadata driven application extensibility platforms to support custom fields, custom validations, rules, triggers and user exits. - Strong expertise in using search engines like Elastic Search or similar. - Prior experience using Rules Engine like Drools or similar. - Experience in using SQL databases (Postgres, Sql Server or similar) and NoSQL databases (Redis, Mongodb, Cassandra or similar). - Handson experience in building and managing User Exit Frameworks. - Prior experience of delivering SaaS in a public cloud (GCP, AWS or Azure). - BS degree in Computer Science, or equivalent experience. - 10+ years of experience with software development in general purpose programming languages including but not limited to: C#, Java, C/C++. - 8+ years of hands-on experience in building Web Applications, SaaS products, and RESTful APIs. - 2+ years' experience in the Application, System, Solution or Data Architecture including strategic IT planning and integration. - Strong expertise in translating business strategies into technical, strategic and execution plans (road- maps). - A solid computer science foundation including data structures, algorithms, and design patterns, with a proven track record of software design and architecture of complex systems. - Experience in UI extensibility using configuration design and development. - Experience in micro service architecture with exposure to Kubernetes. - Experience as a technical influencer for highly scalable distributed system designs. - Experience as a technical lead on significant development initiatives. - Superior analytical and problem-solving abilities. - Excellent written and verbal communication skills. - Adaptable team player with strong collaboration skills and a focus on results and value delivery. - Passion for engineering excellence through automation, unit testing, and process. We're Even More Excited If You Have: - Prior working experience in Scrum, or other Agile development methodologies, is preferred. - Prior experience in building Business Application Extensibility Platform. - Prior experience in API gateway implementation, preferably Apigee. - Prior experience on Identity and Access Management protocols and technologies: OAuth, OpenID Connect, SAML, Federation, SSO (using Okta, Ping Federate or similar) Thrive at BlackLine Because You Are Joining: - A technology-based company with a sense of adventure and a vision for the future. Every door at BlackLine is open. Just bring your brains, your problem-solving skills, and be part of a winning team at the world's most trusted name in Finance Automation! - A culture that is kind, open, and accepting. It's a place where people can embrace what makes them unique, and the mix of cultural backgrounds and varying interests cultivates diverse thought and perspectives. - A culture where BlackLiner's continued growth and learning is empowered. BlackLine offers a wide variety of professional development seminars and inclusive affinity groups to celebrate and support our diversity. BlackLine is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity or expression, race, ethnicity, age, religious creed, national origin, physical or mental disability, ancestry, color, marital status, sexual orientation, military or veteran status, status as a victim of domestic violence, sexual assault or stalking, medical condition, genetic information, or any other protected class or category recognized by applicable equal employment opportunity or other similar laws. BlackLine recognizes that the ways we work and the workplace itself have shifted. We innovate in a workplace that optimizes a combination of virtual and in-person interactions to maximize collaboration and nurture our culture. Candidates who live within a reasonable commute to one of our offices will work in the office at least 2 days a week. Salary Range: USD $257,000.00/Yr. - USD $322,000.00/Yr. Pay Transparency Statement: Placement within this range depends upon several factors, including the applicant's prior relevant job experience, skill set, and geographic location. In addition to base pay, BlackLine also offers short-term and long-term incentive programs, based on eligibility, along with a robust offering of benefit and wellness plans. BlackLine is committed to creating an inclusive and accessible experience for all candidates. If you require a reasonable accommodation that would better enable your success during the application or interview process, please complete this form. Accommodations: BlackLine is committed to creating an inclusive and accessible experience for all candidates. If you require a reasonable accommodation that would better enable your success during the application or interview process, please complete this form.