Top Senior Software Engineer Jobs

Build and improve Fleet and Streams UI in Kibana using TypeScript, React, and Node.js. Own end-to-end features, lead architecture and design discussions, enforce coding standards and testing, conduct code reviews, and collaborate asynchronously with designers and product managers to deliver intuitive, scalable user interfaces for log and agent management.

Design, build, and scale highly available backend services on AWS using Node.js. Develop event-driven systems, REST/GraphQL APIs, and ensure reliability through testing, observability, and security best practices. Collaborate with product, frontend, and infrastructure teams and debug production issues.

Design and build AI-driven web products and platform infrastructure for chip design workflows. Implement high-performance APIs, backend services, data pipelines, and distributed systems. Own technical strategy, collaborate with product and engineering teams, and work across frontend and backend to deliver scalable, maintainable tools.

Lead frontend and full‑stack projects across Marimo's open-source ecosystem. Design simple, powerful editor experiences, build performant data visualizations and editor extensions, engage with the community, triage issues, and balance community needs with product roadmap.

Lead technical direction for foundational web capabilities with a focus on data fetching. Improve frameworks, tooling, and patterns across GraphQL/REST ecosystems, drive platform investments, establish best practices, mentor engineers, and enable scalable, maintainable web development for millions of users.

Design, build, and maintain high-performance, distributed full-stack applications using C#/.NET and TypeScript/React. Implement microservices on AWS (DynamoDB, RDS, SQS, Lambda, API Gateway), automated testing, and GitHub Actions CI/CD. Troubleshoot production issues, optimize performance, and instrument observability (OpenTelemetry, tracing, metrics). Collaborate with product and engineering teams to deliver scalable, secure, multi-tenant solutions.

Build, enhance, and maintain backend API services and integrations for the VA BTSSS. Implement secure, performant services, support CI/CD and cloud deployments, troubleshoot production incidents, participate in two-week sprints, code reviews, testing, documentation, and ensure VA compliance (508, security).

Lead end-to-end design, development, and delivery of enterprise-scale software. Architect scalable, fault-tolerant systems, drive DevOps/CI-CD, ensure testing and code quality, mentor engineers, collaborate with stakeholders, and manage project risks to deliver high-impact features.

Design, develop, test, and maintain scalable SaaS and customer-facing applications. Build RESTful APIs and microservices using C#/.NET, troubleshoot production issues, analyze performance metrics, and participate in code reviews. Collaborate with product, architecture, QA, and engineering teams, and mentor junior engineers to improve reliability, performance, and operational efficiency.

Design, develop, secure, and deploy high-scale, resilient healthcare software and web applications. Participate in all SDLC phases on a scrum team, resolve escalated support issues, and deliver cloud-based services (preferably AWS) to global and government environments while complying with corporate policies.

Design, build, and operate cloud-scale, multi-tenant services for Microsoft Edge and Copilot app management. Drive architecture, reliability, security, and cross-team integration from design through production. Mentor engineers, lead technical initiatives, and use telemetry to improve product quality and customer experience.

As a Senior Backend Engineer, you will develop scalable backend services, maintain APIs, debug issues, and improve system reliability while collaborating across teams.

Senior individual contributor responsible for hands-on coding, designing and delivering AI-forward services on the M365 platform. Lead design, identify dependencies, produce design docs, act as DRI, mentor engineers, and participate in on-call monitoring and incident response. Work independently amid ambiguity to turn ideas into live services.

Build and maintain Python backend services and APIs for an economics engine: design scalable time-series processing, optimize MongoDB schemas and queries, deploy containerized services on GCP, ensure testability and code quality, use AI tooling to accelerate delivery, and own features end-to-end including monitoring and documentation.

Lead design, build, and maintenance of scalable web applications and services (C# or Java). Own systems, influence technical direction, collaborate with product and leadership, and deliver reliable, high‑impact solutions in a hybrid Denver startup environment.

Design, deliver, and sustain secure biometric software for federal/military customers. Lead cross-functional programs, oversee testing, troubleshoot production issues, enforce secure data handling, and coordinate releases in Android and DevSecOps environments.

On-site software engineer supporting Naval programs in Dahlgren, VA. Develop and implement SQL database solutions, write code in C/C++/Java/Python, support SDLC and Agile practices, integrate and maintain mission-critical software, and collaborate with cross-functional teams and customers. Must obtain DoD clearance and drive on/off base.

Design, build, and optimize a multi-region, highly-available Java/Scala microservices data pipeline processing thousands of messages/sec. Improve performance, implement fraud-detection pipelines with ML (Kafka/Kafka Streams), deploy to multi-cloud Kubernetes, and push frequent production releases to maintain five-nines uptime.

Lead design and implementation of production-grade, scalable services and APIs using TypeScript, Python, and Go. Own end-to-end projects, drive architecture across teams, improve system performance and reliability, identify bottlenecks, mentor senior engineers, and shape long-term platform strategy.

Lead design and implementation of scalable, production-grade services and APIs using TypeScript, Python, and Go. Own projects end-to-end, drive cross-team architecture, improve performance and reliability, mentor senior engineers, and establish engineering standards and long-term platform strategy.

Principal Software Engineer individual contributor role providing technical leadership on architecture and strategy for high-scale distributed systems. Design and implement distributed services using TypeScript, Python, and Go, solve scalability and performance problems, establish engineering patterns, mentor senior engineers, and partner with product and engineering leadership. On-site in San Francisco.

Lead architecture and development of scalable systems using TypeScript, Python, and Go. Drive technical decisions, mentor senior engineers, lead code reviews, improve reliability and velocity, and remain hands-on through production delivery while collaborating with product and leadership.

Lead engineering projects from architecture through production. Design and build systems using TypeScript, Python, and Go. Make technical decisions, mentor senior engineers, lead code reviews, improve reliability and scalability, and remain hands-on for critical implementations while collaborating with Product and Engineering leadership.

Lead architecture and technical strategy for high-scale distributed systems. Design and build services using TypeScript, Python, and Go, solve performance and reliability challenges, mentor senior engineers, and drive cross-team technical standards and long-term strategy while partnering with product and engineering leadership.

Lead architecture, design, and implementation of enterprise geospatial and AI-enabled software. Provide technical leadership, develop full-stack web GIS (React/TypeScript, ArcGIS SDK), build backend services (Python/FastAPI), integrate ArcGIS Enterprise and spatial databases (Oracle Spatial, PostGIS), deploy on Azure, and drive AI/automation, CI/CD, and containerization.