Position: Sr Software Developer Location: Wayne, PA Description of work to be performed: Work under the direction of the VP, Information Technology. Responsible for working with Database Administrators, Business Analysts, other developers and business stakeholders to understand business requirements to design and develop software to satisfy them. Design and develop software solutions in a Microsoft .Net environment using industry best practices and standards. Provide architectural direction to the development team, and advise IT management on architecture and technology direction as needed. Collaborate with stakeholders on software requirements. Research and recommend new technologies. Deliver software iteratively and make continuous improvements based on customer feedback. Work as part of a software development team, and share best practices and experience. Strong problem solving, decision making, and analytical skills. Excellent customer service and customer interaction skills. Able to proactively follow issues through to resolution. Work as a member of a team and be willing to share expertise with others. Comfortable working with business stakeholders on a frequent basis. Qualifications / Requirements: Position requires a Bachelor's degree*, or foreign degree equivalent, in Computer Science, Computer Information Systems or related field and 5 years experience in a related occupation. *Employer will accept the equivalent of a Bachelor’s degree based upon a combination of education and experience. The position also requires: 5 years of experience developing .Net web applications using technologies including C#, Entity Framework, ASP.net, .NET Code, Bootstrap, React, SQL Server, Oracle, REST/SOAP services, XML and JSON; 5 years experience with logging frameworks including Log4Net, Serilog, monitoring tools including New Relic and Splunk and security vulnerability tools including Snyk and Veracode; 4 years experience using deployment/CI/CD tools including Jenkins and Copado and source code management tools including GIT; 5 years experience with Server configuration, upgrades and IIS configuration; 5 years experience with various tools and frameworks including Agile project management tools including Jira or Rally, development tools including Visual Studio or VS Code, reporting frameworks including Active Reports, Unit Testing frameworks including nUnit or MSTest, Survey tools including Qualtrics and Google Analytics; and 5 years experience integrating with middleware systems including Biztalk or Boomi and with SharePoint. Role is 100% remote. Telecommuting permitted. Position reports into the company headquarters in Wayne, PA. Radian Group Inc. will only employ those who are legally authorized to work in the United States for this opening. Any offer of employment is conditioned upon the successful completion of a background check and drug screen (as applicable). Careers Page Web Address: https://careers.radian.com/us/en #LI-DNI Defining Roles for Radian's Future Understanding the qualities and characteristics that define a Leader and an Employee is important to ​building our future-fit workforce. Radian's future is only as bright as its people. For that reason, our People Plan includes profiles to support the qualities and characteristics that each Leader as well as each Employee should embody upon hire or via development. EEO Statement Radian complies with all applicable federal, state, and local laws prohibiting discrimination in employment. All qualified applicants will receive consideration for employment without regard to gender, age, race, color, religious creed, marital status, gender identity, sexual orientation, national origin, ethnicity, ancestry, citizenship, genetic information, disability, protected veteran status or any other characteristic protected by applicable federal, state, or local law. An applicant’s criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. The material duties include those listed in the “Primary Duties and Responsibilities” section above, as well as the ability to adhere to Company policies, exercise sound judgment, effectively manage stressful situations, work safely and respectfully with others, exhibit trustworthiness, and safeguard confidential information belonging to the Company and its customers. Pursuant to the California Fair Chance Act, Los Angeles County Fair Chance Ordinance for Employers, Fair Chance Initiative for Hiring Ordinance, and San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. Equal Opportunity Employer Details To learn more about Radian’s Code of Conduct and Ethics and workplace conduct, please click [here]. Radian participates in E-Verify [Link] (en español [Link]). Learn more about your rights under immigration laws [Link] (en español [Link]). View the "EEO is the Law" poster [Link]. View the "EEO is the Law" Supplement [Link]. View Pay Transparency Nondiscrimination Provision [Link]. Accommodation Whether you require an accommodation for the job application or interview process, Radian is dedicated to a barrier-free employment process and encourages a diverse workforce. If you have questions about the accommodation process, please e-mail careers@radian.com. Please note that you may redact or remove age-related information that identifies your age, date of birth, or dates of attendance at or graduation from an educational institution on any additional application materials you submit as part of the application. Additional application materials include but are not limited to, resumes, CVs, transcripts, or certifications.

Overview Great minds meet great challenges. Ready to build the AI platform that reduces discovery cycles from years to months? Join PNNL on the frontier of cutting edge science! PNNL is hiring Software Engineers to help stand up the next wave of AI-enabled science and security capabilities—where agentic AI, petabyte-scale data, and real-time intelligence processing come together in production-grade systems. It’s building the AI-native platforms, orchestration frameworks, and secure infrastructure that will power a nationwide effort to integrate world-class computing and scientific data into a unified AI system that accelerates breakthroughs for energy, national security, and critical technologies. You’ll help connect advanced computing with real operational needs: building custom tools, integrating multi-modal data, enabling autonomous workflows, and delivering systems that can run in secure and mission-critical environments. You’ll play a key role in delivering innovative, mission‑driven work such as: - Design and deploy scalable agentic AI systems with autonomous workflows and complex decision-making - Build LLM orchestration frameworks (LangChain, LlamaIndex, LangGraph, etc.) and production-ready developer tooling - Engineer petabyte-scale pipelines and real-time streaming platforms handling terabytes per hour - Deliver monitoring/observability (logging, metrics, tracing) and security-first - DevSecOps across secure enclaves - Build end-to-end MLOps: model versioning, deployment, monitoring, and AI governance We’re hosting a virtual hiring event, giving you the opportunity to connect directly with our hiring teams and explore how your skills align with our work. Event Details: Our virtual hiring event will take place during the week of April 27, 2026. All applications are reviewed based on job-related skills, qualifications, and experience. Selected candidates may be invited to participate in virtual technical interviews during this timeframe and will be contacted directly with scheduling details. Apply your skills to meaningful work across our mission driven focus areas: National Security Directorate (NSD) Build resilient, secure software and data systems that support high-consequence missions—where performance, reliability, and security are critical. Energy and Environment Directorate (EED) Develops software and data-driven solutions to modernize energy systems, improve grid resilience, and advance renewable energy and environmental sustainability. Physical and Computational Sciences Directorate (PCSD) Engineer platforms that accelerate scientific computing and discovery—connecting large-scale computing with data-rich scientific workflows (aligned with DOE’s integrated AI platform vision). Responsibilities Skills We’re Seeking: - Programming & Systems Development: Python and multi-language development (C++, Go, C#/.NET, TypeScript) for high-performance systems supporting scientific and ML applications - Software Engineering & DevOps: CI/CD, testing, version control, and open-source practices enabling reliable, reproducible systems across research and production - System Architecture & Distributed Systems: Design of modular, scalable, and distributed systems for data-intensive scientific and operational workloads - Machine Learning & LLM Systems: Development of deep learning and LLM-based systems (PyTorch, TensorFlow, JAX), including RAG pipelines, and agent architectures - Agentic AI & Intelligent Workflows: Design of agent-based systems with memory, tool use, inter-agent communication, and multi-modal data integration for scientific and real-world tasks - LLM Evaluation & Reliability: Evaluation frameworks for model performance, including task success, faithfulness, latency, and robustness under realistic workloads - Data Engineering & Pipeline Architecture: Design of scalable data systems (ETL, data lakes, data meshes) supporting large-scale scientific and production data workflows - Streaming & Event-Driven Systems: Real-time data processing using Kafka, Flink, and Spark Streaming for high-throughput, low-latency applications - Cloud-Native & Distributed Computing: Deployment across AWS, Azure, and GCP, including cloud services (S3, EC2), REST APIs, and infrastructure for large-scale compute, simulation, and ML workloads - Containerization & Orchestration: Kubernetes and container-based systems for scalable, portable environments across research and production contexts - ML Systems Deployment & Production: Model serving, monitoring, scaling, and lifecycle management for deployed ML systems - Scientific Computing & Domain Integration: Application of software and ML systems to scientific domains through collaboration with domain experts, enabling data-driven discovery and mission impact - Cloud Cost Optimization & Efficiency: Resource optimization, cost allocation, and predictive modeling of compute usage for large-scale experiments and ML systems Qualifications Minimum Qualifications: - PhD and 1 year of Software Engineering experience -OR- - MS/MA and 3 years of Software Engineering experience -OR- - BS/BA and 5 years of Software Engineering experience -OR - AA and 14 years of Software Engineering experience in designing, architecting, programming, deploying, and automating software solutions in support of scientific research or consumer digital product development -OR- - HS/GED and 16 years of Software Engineering experience in designing, architecting, programming, deploying, and automating software solutions in support of scientific research or consumer digital product development Hazardous Working Conditions/Environment Not Applicable Additional Information This position requires the ability to obtain and maintain a federal security clearance. A security clearance background investigation includes review of your employment, education, financial, and criminal history, as well as interviews with you and your personal references, neighbors, and co-workers to determine trustworthiness, reliability, and loyalty to the United States. The investigation also examines your foreign connections, drug and alcohol use, foreign influence, and overall conduct. Requirements: - U.S. Citizenship - Background Investigation: Applicants selected will be subject to a Federal background investigation and must meet eligibility requirements for access to classified matter in accordance with 10 CFR 710, Appendix B. - Drug Testing: All Security Clearance positions are Testing Designated Positions, which means that the applicant selected for hire is subject to pre-employment drug testing, and post-employment random drug testing. In addition, applicants must be able to demonstrate non-use of illegal drugs, including marijuana, for the 12 consecutive months preceding completion of the requisite Questionnaire for National Security Positions (QNSP). Note: Applicants will be considered ineligible for security clearance processing by the U.S. Department of Energy if non-use of illegal drugs, including marijuana, for 12 months cannot be demonstrated. “Referral Eligible” Testing Designated Position This position is a Testing Designated Position (TDP). The candidate selected for this position will be subject to pre-employment and random drug testing for illegal drugs, including marijuana, consistent with the Controlled Substances Act and the PNNL Workplace Substance Abuse Program. About PNNL Pacific Northwest National Laboratory (PNNL) is a world-class research institution powered by a highly educated, diverse workforce committed to the values of Integrity, Creativity, Collaboration, Impact, and Courage. Every year, scores of dynamic, driven people come to PNNL to work with renowned researchers on meaningful science, innovations and outcomes for the U.S. Department of Energy and other sponsors; here is your chance to be one of them! At PNNL, you will find an exciting research environment and excellent benefits including health insurance, and flexible work schedules. PNNL is located in eastern Washington State—the dry side of Washington known for its stellar outdoor recreation and affordable cost of living. The Lab’s campus is only a 45-minute flight (or ~3 hour drive) from Seattle or Portland, and is serviced by the convenient PSC airport, connected to 8 major hubs. Commitment to Excellence and Equal Employment Opportunity Our laboratory is committed to fostering a work environment where all individuals are treated with fairness and respect while solving critical challenges in fundamental sciences, national security, and energy resiliency. We are an Equal Employment Opportunity employer. Pacific Northwest National Laboratory (PNNL) is an Equal Opportunity Employer. PNNL considers all applicants for employment without regard to race, religion, color, sex, national origin, age, disability, genetic information (including family medical history), protected veteran status, and any other status or characteristic protected by federal, state, and/or local laws. We are committed to providing reasonable accommodations for individuals with disabilities and disabled veterans in our job application procedures and in employment. If you need assistance or an accommodation due to a disability, contact us at careers@pnnl.gov. Drug Free Workplace PNNL is committed to a drug-free workplace supported by Workplace Substance Abuse Program (WSAP) and complies with federal laws prohibiting the possession and use of illegal drugs. If you are offered employment at PNNL, you must pass a drug test prior to commencing employment. PNNL complies with federal law regarding illegal drug use. Under federal law, marijuana remains an illegal drug. If you test positive for any illegal controlled substance, including marijuana, your offer of employment will be withdrawn. Security, Credentialing, and Eligibility Requirements As a national laboratory, PNNL is responsible for adhering to the Homeland Security Presidential Directive 12 (HSPD-12) and Department of Energy (DOE) Order 473.1A, which require new employees to obtain and maintain a HSPD-12 Personal Identify Verification (PIV) Credential. To obtain this credential, new employees must successfully complete the applicable tier of federal background investigation post hire and receive a favorable federal adjudication. The tier of federal background investigation will be determined by job duties and national security or public trust responsibilities associated with the job. All tiers of investigation include a declaration of illegal drug activities, including use, supply, possession, or manufacture within the last 1 to 7 years (depending on the applicable tier of investigation). Illegal drug activities include marijuana and cannabis derivatives, which are still considered illegal under federal law, regardless of state laws. For foreign national candidates: If you have not resided in the U.S. for three consecutive years, you are not eligible for the PIV credential and instead will need to obtain a favorable Local Site Specific Only (LSSO) Federal risk determination to maintain employment. Once you meet the three-year residency requirement thereafter, you will be required to obtain a PIV credential to maintain employment. The tier of federal background investigation required to obtain the PIV credential will be determined by job duties at the time you become eligible for the PIV credential. Mandatory Requirements Please be aware that the Department of Energy (DOE) prohibits DOE employees and contractors from having any affiliation with the foreign government of a country DOE has identified as a “country of risk” without explicit approval by DOE and Battelle. If you are offered a position at PNNL and currently have any affiliation with the government of one of these countries, you will be required to disclose this information and recuse yourself of that affiliation or receive approval from DOE and Battelle prior to your first day of employment. Rockstar Rewards Employees and their families are offered medical insurance, dental insurance, vision insurance, robust telehealth care options, several mental health benefits, free wellness coaching, health savings account, flexible spending accounts, basic life insurance, disability insurance*, employee assistance program, business travel insurance, tuition assistance, relocation, backup childcare, legal benefits, supplemental parental bonding leave, surrogacy and adoption assistance, and fertility support. Employees are automatically enrolled in our company-funded pension plan* and may enroll in our 401 (k) savings plan with company match*. Employees may accrue up to 120 vacation hours per year and may receive ten paid holidays per year. * Research Associates excluded. **All benefits are dependent upon eligibility. Click Here For Rockstar Rewards Notice to Applicants PNNL lists the full pay range for the position in the job posting. Starting pay is calculated from the minimum of the pay range and actual placement in the range is determined based on an individual’s relevant job-related skills, qualifications, and experience. This approach is applicable to all positions, with the exception of positions governed by collective bargaining agreements and certain limited-term positions which have specific pay rules. As part of our commitment to fair compensation practices, we do not ask for or consider current or past salaries in making compensation offers at hire. Instead, our compensation offers are determined by the specific requirements of the position, prevailing market trends, applicable collective bargaining agreements, pay equity for the position type, and individual qualifications and skills relevant to the performance of the position. Minimum Salary USD $133,100.00/Yr. Maximum Salary USD $210,400.00/Yr.

Staff Software Engineer @ Tilt Tilt (check us out here) is looking for a Staff Software Engineer to join our team and help us scale our business. Tilt is at an inflection point, our core application has taken us far, and now it's time to evolve it. We’re looking for a Staff Engineer to lead that evolution: someone who can deeply understand complex systems, challenge the status quo, and turn architectural vision into practical, shipped reality. This is a hands-on technical leadership role. You’ll write code, build proofs of concept, and set the bar for how we design, build, and scale systems, leading through clarity, execution, and mentorship. This position is a full-time role reporting to our CTO. Below is a description of your role and responsibilities, including the things you will be held accountable for and the virtues, behaviors and competencies that are expected for this role. Responsibilities will include: Strategic Partnership & Problem Shaping - Partner closely with Product and Engineering leadership to identify, frame, and drive resolution of high-impact business and technical blockers - Proactively surface opportunities across systems, product, and processes using data signals, domain expertise, and observed gaps - Convene and lead cross-functional discussions (Product, Design, Engineering, Data) to ideate solutions, align on direction, and drive informed trade-off decisions - Translate ambiguous or loosely defined problem spaces into clear technical strategies, influencing roadmap priorities and sequencing - Act as a force multiplier by connecting initiatives across teams, ensuring alignment, reducing duplication, and accelerating progress toward strategic goals - Shapes not only what gets built, but why and when, ensuring engineering effort is consistently aligned with business outcomes Architecture & Technical Strategy - Leads the evolution of system architecture (e.g., monolith-to-services) with a clear, pragmatic roadmap - Designs scalable, maintainable full-stack systems with clear separation of concerns across backend services, APIs, and frontend applications - Applies these principles within our current stack (Django/Python, Next.js/React) while remaining stack-agnostic in architectural thinking - Drives architectural patterns (e.g., event-driven systems) that improve decoupling, extensibility, and long-term velocity - Makes and communicates architectural tradeoffs, aligning technical decisions with business goals - Validates direction through POCs, frameworks, and iterative adoption strategies Engineering Excellence & System Quality - Sets the standard for clean, maintainable, high-quality code across backend and frontend - Defines and evolves best practices (API design, abstractions, performance, reliability) - Improves testing strategy, system design patterns, and development workflows - Owns system reliability, performance, and production health - Establishes strong observability practices (logging, tracing, alerting) - Designs for resilience (failure handling, retries, graceful degradation, distributed system challenges) Execution, Influence & Team Multiplication - Contributes production-grade code across the stack while maintaining architectural oversight - Improves team velocity and clarity through better systems, tooling, and patterns - Mentors and levels up engineers through pairing, feedback, and design collaboration - Leads through influence, raising the technical bar without relying on authority - Creates leverage by enabling others to deliver higher-quality work more independently You’re a great fit if - You have 7+ years of experience building and scaling production systems - You have deep expertise in Python/Django and strong experience with modern frontend (React / Next.js) - You bring proven experience evolving or decomposing monolithic systems into services - You have a strong understanding of system design, APIs, and distributed system - You are experienced with event-driven systems (Kafka, SNS/SQS, or similar - You have a strong grasp of tradeoffs in scalability, consistency, and performance - You possess the ability to design systems that balance speed, quality, and long-term maintainability - You have hands-on experience with AWS (EKS/Kubernetes, networking, IAM) - You have experience with observability tools (Datadog or equivalent) - You are familiar with resilience patterns (retries, circuit breakers, graceful degradation) - You can show a track record of shipping complex systems, not just reviewing them - You have high levels of empathy and can connect deeply with Tilt’s mission - You are comfortable working in ambiguous environments and know that we need your help to figure things out - You are a comfortable using a lot of systems at once, and have the ability to learn software quickly - You are fearlessly flexible and curious; aka you thrive in an environment where we don't have all the answers but are willing to help us figure them out - You have experience working with a startup and/or with a B2B SaaS business Virtues/Competencies: Health & Family First - You've proven to be able to integrate all aspects of your life in a way that produces excellent work and ensures you care for what matters most in your life - You get things done at a pace consistent with the business needs - You consistently show up prepared, dependable and follow through on commitments - Autonomy + Team. Always - You are highly organized and can manage multiple priorities and deadlines at onceYou are focused on scale and building - you understand that pace is equally as important as quality Be Curious - When you don’t have all of the answers, you dig in and ask questions - You don’t let negative assumptions drive your actions and instead assume positive intent and find truth - You are intentional in discovering the paths of self-development Tilt has to offer and seek out opportunities to engage in professional growth Love Our Customers - You lead with empathy and compassion, meeting customers where they are and supporting them with intention and care - You take the time to deeply understand customers’ needs, goals, and challenges, not just the task at hand - You communicate openly and honestly, even when conversations are difficult Fearlessly Flexible - You embrace change and navigate ambiguity with confidence and curiosity - You take initiative and make progress even when direction isn’t fully defined Total Compensation The projected annual salary range is $180,000 - $200,000 USD plus stock options (ISOs), because we believe everyone should have some stake in our business. Additional benefits include: - Comprehensive medical, dental, and vision benefits paid at 100% for all employees and 50% for dependents. - 401k + match (100% match on the first 3%, 50% match on the next 2%) - $50 monthly to spend on “What Matters Most” - Responsible Time Off - take what you need, when you need it! More about our amazing Perks and Benefits can be found here! More about Tilt Tilt’s mission is big: make leave not suck. We are building a product that makes it easy for people to switch between work and life. If you join us, you’ll be part of a fearless band of humans helping employers balance empathy with economics. We’re changing the status quo and it’s hard. You should know that now. You should also know that joining Tilt means the opportunity to be a change-maker. Remote Work & Flexibility We are a fully remote company. We are committed to being fearlessly flexible and ensuring that all employees are set up and have the autonomy to do their best work, as well as have the balance to care for their health, family and life outside of work. Overall, we trust our team and are focused on outcomes not outputs. Equal Opportunity Employer We celebrate and support our differences. We believe in the power of equality which is why we are an equal opportunity employer. Employment at Tilt is based solely on a person’s merit and qualifications related to their professional competence. Tilt does not discriminate against any employee or applicant because of race, color, creed, religion, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy, or any other basis protected by law. We comply with all applicable national, state, and local laws pertaining to nondiscrimination and equal opportunity. You must be authorized to work in the US. So what do you say? Do you want to join our team?

• Proposing designing, integrating, and guiding the delivery of mission-critical software systems • Collaborate with Defense Grow, Business Development, Chief Technology Officer’s organization and our customers • Drive innovative solutions that efficiently solve customer problems • Utilize Kubernetes, Artificial Intelligence and Machine Learning, AI assisted DevSecOps, Continuous Integration/Continuous Delivery, Agile