Top Senior Software Engineer Jobs

Lead and set technical strategy for the Order Platform powering post-checkout flows (orders, captures, refunds, settlement). Design and ship highly available backend systems, own reliability/operational practices, mentor engineers, collaborate cross-functionally, and drive long-term technical decisions and execution plans.

Build and maintain the AI-powered learning platform across a TypeScript/React frontend and Python/FastAPI backend. Integrate LLMs for classification, extraction, personalization, and conversation practice. Design scalable APIs, develop real-time interactive features, apply AI-assisted development workflows, write well-tested code, and collaborate with product, design, and education teams to optimize learning experiences and A/B tests.

Design, develop, test, and maintain Java-based microservices and satellite ground system software. Collaborate in Agile teams, apply DevSecOps and CI/CD, use AWS and containerization, troubleshoot and modernize multi-tiered systems, and deliver high-quality software.

Responsible for troubleshooting and restoring operational software, performing testing, integration, and delivery of new baselines, and conducting end-to-end analysis of complex real-time systems. Will support maintenance, documentation, and software integration efforts. Must hold an active transferable TS/SCI and CI polygraph and meet STEM degree and experience requirements.

Build and operate a horizontal identity platform end-to-end: design data models, build APIs and UIs, ship features to production, make architectural tradeoffs, and work closely with customers, product, and design to deliver reliable, high-quality systems.

Build and scale full-stack systems (Node.js + React) on AWS, develop scalable data infrastructure, integrate AI/ML features, and collaborate with cross-functional teams to deliver secure, production-grade compliance products.

The Software Engineer will design, build, and deploy scalable applications, ensuring application security and resolving performance issues in collaboration with cross-functional teams.

The Senior Software Engineer will design, develop, and maintain scalable healthcare billing systems while collaborating with cross-functional teams to enhance customer outcomes.

Design, build, and maintain Node.js/TypeScript backend services; optimize for speed and scalability; collaborate with frontend and product designers; write clean documented code; run performance tests; ensure stability, compliance, and production readiness.

Lead design and delivery of scalable backend systems, APIs, and data orchestration for global compliance. Own features end-to-end, ensure reliability, mentor engineers, participate in on-call, and collaborate cross-functionally to drive product and architecture decisions.

Develop, test, upgrade and support web applications using Sitefinity CMS. Gather and document requirements, perform web-based testing, provide post-production/operations support, advise on digital marketing/SEO and Google Analytics, interface with corporate clients, and lead small teams.

Lead design and delivery of global MES and manufacturing software solutions. Manage a 5–15 person engineering team, budgets, vendor evaluations, Agile delivery, SOX-compliant SDLC, stakeholder relationships, and operational support. Ensure technology governance, integrate modern tools (including AI/LLMs), and drive continuous improvement across development and operations.

Build and maintain compiler infrastructure that translates spreadsheet interactions into optimized SQL for cloud data warehouses. Design intermediate representations and apply query optimization strategies, contribute to backend (Rust) and frontend (TypeScript) foundations, debug complex issues, and collaborate with engineers and product stakeholders to drive architecture and feature development.

Build and maintain compiler infrastructure that converts spreadsheet interactions into optimized SQL for cloud warehouses. Design IRs, apply query optimizations, work in Rust and TypeScript, debug complex issues, and collaborate on architecture and product features.

The Senior Full Stack Software Engineer will lead software architecture and implementation, mentor team members, and integrate complex systems for minerals supply chain management.

Develop and maintain C#/.NET code for a cloud-based procurement solution, implement multithreaded features, debug and review existing modules, and work within Agile and OOP practices. Contribute to enhancements and Azure-based development.

Design, build, test, and maintain cloud-native enterprise software and microservices on Azure. Integrate LLMs and RAG/GraphRAG solutions, apply AI frameworks and prompt engineering, use Kubernetes/Docker and CI/CD, work in Agile teams, mentor engineers, and support production incidents and architecture decisions.

Back-end software engineer on a small team building prototypes and IR&D for space domain awareness. Develop Java enterprise backend services, rapidly prototype demonstrable software, collaborate with analysts/operators, and support government space security efforts. On-site in Colorado Springs with limited remote days.

Lead the design and development of SDK for Eridu's switch ASICs, ensuring performance and production readiness. Oversee software interfaces for dataplane operations and mentor junior engineers.

Lead the development and integration of OCP SAI with SONiC, requiring expertise in programming, SDK development, and networking protocols.

Develop and enhance high‑fidelity modeling and simulation software (digital twins) for threat weapon systems (SAMs, radars, seekers). Implement propagation effects, tracking filters, signal processing, and sensors/missiles/C4 algorithms. Integrate models into mission-level simulations, define requirements, design solutions, automate tests, support DevOps/DevSecOps, and mentor junior developers in an Agile, classified environment.

Design, build, and maintain large-scale, cloud-native microservices and data pipelines for risk platforms. Write quality Java code, implement unit and automation tests, create CI/CD pipelines, perform refactoring, ensure availability, and collaborate across teams to improve scalability, reliability, and deployment automation.

Lead full software development lifecycle: design, develop, test, deploy and maintain reliable distributed applications. Collaborate cross-functionally, perform code reviews and automated testing, and deliver performant technical solutions aligned with business goals.

Design and build cloud-native microservices and scalable data pipelines for a Risk Decision platform. Write high-quality Java code, automate testing and releases, implement CI/CD, apply LLM/agentic AI to improve engineering workflows, collaborate across teams, and support application availability and scalability.

Design, develop, and maintain web-based software within the full SDLC. Engage stakeholders, build features using microservices, apply complex algorithms, ensure maintainability and standards, drive process/tooling improvements, and mentor team members.