Top Senior Software Engineer Jobs

Join as a founding software engineer to build core product and infrastructure, collaborate with the founding team, and help shape technical direction. Role is in-person in San Francisco; compensation includes competitive salary and equity. Submit resume to the provided email.

Maintain and sustain legacy enterprise applications: troubleshoot and fix bugs, enhance and upgrade systems, apply programming and scripting, ensure security compliance, and advise clients on modernization and improvements.

The Full Stack Software Engineer develops software from concept to production, using modern tools to enhance systems, manage data, and implement solutions in an agile environment.

As a Senior Full-Stack Developer, you will design and implement software solutions, leveraging various technologies and collaborating within a team to address complex client challenges.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Join a remote Agile team to develop and maintain a national consumer-facing enterprise platform. Duties include full-stack feature development, automated and manual testing, code reviews, CI/CD and container orchestration, performance analysis and optimization, client-facing technical consulting, mentorship, and exploring AI engineering opportunities.

The Senior Software Engineer for the Treasury team will develop backend services for fund management, ensuring system reliability and leading projects in a fast-paced environment.

Develop and maintain real-time C++ vehicle mission interface software enabling Mission Control, Remote Assistance, route management, telemetry, and vehicle status monitoring. Translate system requirements into scalable architectures, contribute to simulation and testing, integrate cross-functional systems, mentor peers, and support safety-critical automotive development and validation practices.

Develop and deploy web and mobile products, maintain agile methodologies, ensure quality code, and stay updated on technology trends.

Design, build, and test responsive full-stack web applications and RESTful services. Develop containerized microservices (Kubernetes), troubleshoot customer issues, write unit/integration tests, collaborate cross-functionally, and prototype agentic AI features to automate workflows and improve user experience.

Design, develop, and maintain software systems; deliver high-quality code and tests; participate in design and code reviews; collaborate with cross-functional teams; mentor junior engineers and contribute to technical decisions.

Design, develop, and maintain .NET-based full‑stack applications. Collaborate with global cross-functional teams to gather requirements, implement scalable, reliable, and secure solutions, troubleshoot defects, and deploy to Azure cloud infrastructure.

Design, implement, and verify safety-critical real-time flight software for a hypersonic reentry vehicle. Own state machines, autonomy, and FDIR logic; integrate GNC modules; perform low-level driver and board bring-up; develop SIL/HIL test suites; participate in code reviews and mentor junior engineers; collaborate with systems and avionics on ICDs, telemetry, and communications.

Design and implement production-quality system software, tools, and frameworks for enterprise storage systems. Develop and run realistic validation and analysis solutions, debug cross-layer issues (application, OS, driver, hardware), collaborate with firmware/hardware teams, drive technical design, mentor engineers, and evolve internal tooling with AI integrations.

Lead full‑stack software engineer to design, build, deploy, and operate cloud-native, highly available services (agentic AI-enabled). Implement CI/CD, monitoring, canaries, telemetry, and automated testing; mentor teammates; gather client requirements and drive architecture, reliability, and scaling.

Modernize a legacy, mission-critical system by implementing backend domain services in TypeScript/Node.js, extracting business rules from legacy Java/PL/SQL, ensuring financial-grade correctness and auditability, delivering full-stack vertical slices (React to AWS CDK), using AI-agent development tools, and maintaining CI/CD with automated testing.

Lead modernization of a legacy Oracle system to PostgreSQL: design migration pipelines, implement automated reconciliation and CDC workflows, interpret PL/SQL business logic, build full-stack features (React UIs, Node APIs), ensure financial-grade data integrity, and vet agent-generated code for federal compliance.

Lead engineer responsible for designing and owning billing and revenue systems for consumption-based AI products. Build usage metering, pricing logic, credits, guardrails for LLM/agent costs, dashboards, and data pipelines. Partner with Finance, RevOps, Product, and Data to ensure accurate, auditable billing and mentor engineers to raise quality.

Own and build the data platform: design real-time ingestion, schemas, and pipelines for high-volume ML jobs; consolidate and cleanse messy datasets; enable agent context and developer access to analytics.

Design, develop, and maintain full-stack software using .NET, Angular, and relational databases. Participate across the SDLC, troubleshoot issues, optimize performance, lead code reviews, and produce technical documentation while collaborating with product and design teams.

The Software Engineer oversees application development and maintenance, ensuring software runs smoothly, creating reports, and improving systems. The role involves UI development using ASP.NET MVC and Razor, focusing on usability and user experience.

Design, develop, test, and maintain complex software systems and algorithms. Lead or oversee software teams, integrate third‑party APIs, customize and implement ServiceNow applications, write scripts/business rules/ACLs, debug and resolve defects, and produce system and software documentation while ensuring performance, timing, and interface requirements are met.

Develop and maintain motion-imagery software for the Intelligence Community using Java/C++ and modern web stacks. Implement microservice APIs (gRPC/REST), data modeling (SQL/NoSQL/Graph), containerized deployments (Docker/Kubernetes), streaming (Kafka), and reactive front-end work (React/rxJS). Work onsite with an active TS/SCI+Poly and participate in Agile teams, debugging legacy apps and ensuring scalability and orchestration across classified environments.

Lead development of a Medicare appeals/claims platform: prioritize and deliver features, ensure quality and compliance, guide architecture and technology choices, coordinate cross-functional teams, manage incidents, and drive process improvements within an Agile environment.

Develop and maintain components of a functional simulator for Cisco SiliconOne ASICs. Implement features per architecture specs, collaborate with ASIC architecture, software, and hardware teams, and participate in troubleshooting, testing, and validation. Apply industry best practices in model development and integration while learning from senior engineers.