• Design, implement, and maintain BPMN workflows and DMN decision tables that orchestrate cross-system processes • Build and evolve Java/Spring Boot services that plug into the Camunda engine as workers, listeners, and integration points • Partner with stakeholders in lab operations, clinical, and product to translate requirements into robust automated workflows • Troubleshoot and optimize running processes, working closely with DevOps on reliability, observability, and performance • Contribute to code reviews, architecture discussions, and engineering best practices within the team • Write automated tests and participate in CI/CD pipelines to ship changes safely and frequently

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work — every day. We're in this together, sustaining the future of our customers, our company, and our planet. Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all. About the team and the role: WHI Solutions, Inc., an eBay company, operates Nexpart, a B2B marketplace built for professional automotive and truck parts businesses. Nexpart plays a critical role in helping customers efficiently source and purchase the parts they need to keep their operations running smoothly and serve their own customers with speed and confidence. The Nexpart engineering team builds and evolves the technology behind this marketplace. We are seeking a Senior Python Engineer, AI to help design, develop, and maintain scalable backend services, integrations, and platform capabilities that support critical business workflows and ongoing product innovation. We are seeking an engineer with strong Python backend experience and a track record of building reliable, scalable services. In this role, you will work with cross-functional partners to develop practical solutions that support critical workflows and improve the performance and resilience of the platform. What you will accomplish: - Define technical requirements in partnership with product, business, and engineering stakeholders - Design, develop, and maintain Python-based applications & services that power core platform workflows - Build and integrate scalable APIs and microservices for internal and external consumers - Own backend system design for service reliability, scalability, maintainability, and operational excellence - Optimize performance using distributed technologies (e.g., caching, message queues, event-driven architectures) - Implement robust observability (logging, tracing, metrics), troubleshoot production issues, and improve system resiliency - Participate in code reviews as both a contributor and reviewer; contribute to engineering standards and best practices - Collaborate closely with development, QA, and business teams to deliver high-quality releases - Create and maintain system and technical documentation as needed - Leverage AI-powered development tools to improve productivity, code quality, and delivery speed Applied AI/LLM Focus - Build and productionalize LLM-enabled features (e.g., workflow automation, intelligent routing, summarization, extraction) - Design tool/function-calling services and orchestration layers for multi-step tasks - Implement RAG-style retrieval patterns (embeddings, vector search, ranking) where it improves reliability and accuracy - Develop evaluation and quality frameworks for AI outputs (offline evals, regression tests, safety/reliability checks) - Collaborate on responsible AI practices: guardrails, data handling, deterministic behaviors, and auditability What you will bring: - BA/BS in Computer Science or a related field, or equivalent practical experience - 5+ years of professional Python development experience in production environments - Strong experience building asynchronous, API-driven microservices (e.g., FastAPI, asyncio) - Solid understanding of scalable backend architectures and service-to-service integrations - Experience with distributed systems patterns (queues, caching, pub/sub, background processing) - Strong understanding of REST APIs, authentication/authorization, and secure system design - Experience with CI/CD pipelines and containerized deployment workflows - Strong familiarity with Git and modern version control workflows - Excellent English communication skills, both written and verbal - Ability to work effectively in cross-functional, fast-paced environments Preferred Qualifications: - Experience integrating LLM APIs in production and building robust, testable AI-enabled services - Familiarity with prompt design, structured outputs, tool/function calling, and conversation/workflow state management - Experience with embeddings, vector databases, retrieval pipelines, and/or ranking approaches - Experience building AI evaluation harnesses (golden datasets, regression testing, quality metrics) - Exposure to ML concepts relevant to applied product systems (classification, extraction, ranking, personalization) - Experience with real-time or conversational interfaces (chat and/or voice) and streaming systems - Proficiency in Spanish (or other major marketplace languages) to help evaluate and validate multilingual AI outputs - Experience supporting high-traffic, consumer-facing applications Why You’ll Love Working Here - Build backend systems that support a global marketplace at scale - Work on high-impact platform capabilities that increasingly leverage LLM/AI/ML - Opportunity to influence technical direction and architecture - A culture that values innovation, ownership, and continuous learning - Competitive compensation and comprehensive benefits Additional Details The base pay range for this position is expected in the range below: $118,800 - $205,600 Base pay offered may vary depending on multiple individualized factors, including location, skills, and experience. The total compensation package for this position may also include other elements, including a target bonus and restricted stock units (as applicable) in addition to a full range of medical, financial, and/or other benefits (including 401(k) eligibility and various paid time off benefits, such as PTO and parental leave). Details of participation in these benefit plans will be provided if an employee receives an offer of employment. If hired, employees will be in an “at-will position” and the Company reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, Company or individual department/team performance, and market factors. eBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at talent@ebay.com. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. We use cookies to enhance your experience and may use AI tools for administrative tasks in the hiring process. To learn how we handle your personal data and use AI responsibly, please visit our Talent Privacy Notice, Privacy Center and AI Hiring Guidelines.

Knowledge Management, Inc. (KMI) has the leadership and experience to deliver innovative technology, logistics and management solutions to meet real mission requirements. KMI is a Minority Business Enterprise (MBE) and Small Disadvantage Business (SDB) that specializes in Logistics, Warehouse Services, Distance Learning/Training, Enterprise Solutions, Financial Management Support, Program Management, Intelligence Analysis & Threat Assessment, and Data Analytics/Operations Research. Since 1998, our solutions and services have helped our clients improve performance, drive cost and operational effectives, and map technology needs for tomorrow's requirements. Title: Mid-level Backend/Middleware Developer Location: Remote Position: 1 Duration: Multi-year program Start date: ASAP Security Clearance: Active US Treasury Public Trust is preferred. Anyone with an active DOD clearance, would be processed for a Public Trust. Salary: Please provide your salary requirement Position Overview: Knowledge Management, Inc. is seeking a Mid-level Backend/Middleware Developer to design, develop, and maintain robust, scalable API and middleware solutions for our secure, mission-critical applications. This role is critical to client's product roadmap and will focus on building secure, high-performance middleware services using Java and Spring Boot, with a strong emphasis on Zero Trust principles. Key Responsibilities: - Design, develop, and deploy comprehensive RESTful APIs using Java and the Spring Boot framework. - Implement and maintain security for API endpoints using OAuth 2.0 and OpenID Connect (OIDC) protocols. - Enforce authorization policies based on Role-Based Access Control (RBAC) and Attribute-Based Access Control (ABAC) principles. - Contribute to the development of secure edge computing and cloud-native solutions that meet stringent compliance and security criteria. - Write clean, maintainable, and testable code with a strong emphasis on performance and reliability. - Collaborate with cross-functional teams to deliver compliant mobile solutions designed to streamline workflows and enhance operational efficiency. - Participate in code reviews to ensure high-quality standards are met. Required Qualifications: - Proven experience as a Backend or Middleware Engineer in a senior-level role. - Proficiency in Java and the Spring Boot ecosystem. - Hands-on experience implementing and securing APIs with OAuth 2.0 and OIDC. - Strong understanding and practical application of RBAC and ABAC for authorization. Proficiency with version control systems, particularly Git. Desired Qualifications: - Experience with Bedrock for managing backend data warehousing and storage needs. - Familiarity with Nutanix infrastructure and platform solutions. - Hands-on experience building and managing CI/CD pipelines in either GitHub Actions or GitLab CI. - Proficiency in containerization with Docker and orchestration with Kubernetes. - An existing US Treasury Public Trust or equivalent Federal security clearance. Benefits: All full-time employees are eligible to participate in our benefits programs: - Health, dental, and vision insurance - 401(k) retirement plan - Paid time off (PTO) and holidays - Group Term Life and Accidental Death and Dismemberment Insurance - Voluntary Term Life Insurance - Short and Long-term disability insurance Equal Employment Opportunity Statement. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. E-Verify Statement. Knowledge Management, Inc. 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, KMI is required to give you written instructions and an opportunity to contact 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 your employment. Employers can only use E-Verify once you have accepted a job offer and completed the Form I-9. Pay Transparency Non-Discrimination Provision. Knowledge Management, Inc. will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. 41 CFR 60-1.35(c) Disability Statement. If you have a disability and need reasonable accommodation or assistance at any point in the application or onboarding process, please email us at marie@knowledgemanagement.com.

Knowledge Management, Inc. (KMI) has the leadership and experience to deliver innovative technology, logistics and management solutions to meet real mission requirements. KMI is a Minority Business Enterprise (MBE) and Small Disadvantage Business (SDB) that specializes in Logistics, Warehouse Services, Distance Learning/Training, Enterprise Solutions, Financial Management Support, Program Management, Intelligence Analysis & Threat Assessment, and Data Analytics/Operations Research. Since 1998, our solutions and services have helped our clients improve performance, drive cost and operational effectives, and map technology needs for tomorrow's requirements. Title: Jr. Backend/Middleware Developer Location: Remote Position: 1 Duration: Multi-year program Start date: ASAP Security Clearance: Active US Treasury Public Trust preferred. Anyone with an active DOD clearance, would be processed for a DHS Public Trust. Salary: Please provide your salary requirement Position Overview: Knowledge Management, Inc. is seeking a Junior Backend/Middleware Developer to support the design and development of our client's secure, scalable API and middleware solutions. This role will focus on implementing well-defined API endpoints and writing comprehensive unit tests to ensure the reliability and quality of our mission-critical applications. Key Responsibilities: - Develop and implement RESTful API endpoints using Java and the Spring Boot framework based on provided technical specifications. - Write comprehensive unit and integration tests to ensure code quality, functionality, and performance. - Collaborate with senior engineers to troubleshoot and debug development efforts. - Participate in code reviews to learn and contribute to maintaining high-quality standards. Required Qualifications: - Experience developing applications with Java and the Spring Boot framework. - Familiarity with RESTful API design and development principles. - Experience with unit testing frameworks (e.g., JUnit, Mockito). - Proficiency with version control systems, particularly Git. Desired Qualifications: - An existing US Treasury Public Trust or equivalent Federal security clearance. Benefits: All full-time employees are eligible to participate in our benefits programs: - Health, dental, and vision insurance - 401(k) retirement plan - Paid time off (PTO) and holidays - Group Term Life and Accidental Death and Dismemberment Insurance - Voluntary Term Life Insurance - Short and Long-term disability insurance Equal Employment Opportunity Statement. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. E-Verify Statement. Knowledge Management, Inc. 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, KMI is required to give you written instructions and an opportunity to contact 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 your employment. Employers can only use E-Verify once you have accepted a job offer and completed the Form I-9. Pay Transparency Non-Discrimination Provision. Knowledge Management, Inc. will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. 41 CFR 60-1.35(c) Disability Statement. If you have a disability and need reasonable accommodation or assistance at any point in the application or onboarding process, please email us at marie@knowledgemanagement.com.