Top Software Engineer Jobs

Lead development of high-performance C++ trading systems and core platform components, build and optimize exchange connectivity (market data and order flow), implement trading algorithms, improve stability and observability, troubleshoot production issues, and collaborate closely with quants and traders to iterate on design and deployment.

Build and optimize low-latency C++ trading systems used across global venues. Implement exchange connectivity, trading algorithms, testing, monitoring, and performance optimizations. Collaborate with researchers, traders, and engineers to refine requirements, troubleshoot production issues, and deploy reliable, high-performance trading platform components.

Lead design and implementation of full-stack features and APIs in a microservice architecture. Build and maintain secure, high-quality REST APIs and React web applications, improve developer experience, mentor engineers, and propose internal tools and architecture best practices to support safety-focused B2B products.

Lead backend design and delivery of home automation features across web, mobile, and services. Drive architecture, mentor engineers, collaborate with product and QA, build reliable/scalable HTTP APIs, own data and infrastructure for rules/schedules/scenes, and operate production systems with strong testing and observability practices.

Lead software engineer building enterprise applications across the SDLC. Coach and lead small teams, work client-facing to diagnose problems, architect and deliver cloud and data-driven solutions using modern languages, web and mobile frameworks, AI/ML, DevOps, and present solutions to stakeholders in a hybrid model.

Design, build, and operate high-throughput Go microservices and data pipelines for a mission-critical platform. Collaborate with engineers, data specialists, and mission SMEs to deliver resilient, well-tested REST/gRPC services, maintain production reliability and observability, and champion clean API design, testing, and GitOps-driven deployments.

Build and operate cloud-native, distributed backend services, storage, indexing, and query systems. Translate ambiguous problems into scalable implementations, work across backend, data layer, and cloud infrastructure, collaborate in agile teams, and ship iterative software releases.

Design, build, and maintain scalable, secure Azure-based RESTful APIs and backend services using C# and modern .NET. Provide technical ownership across design, deployment, monitoring, performance optimization, security (Azure AD/OAuth/OpenID Connect/JWT), CI/CD, and production troubleshooting. Lead design reviews, mentor engineers, and improve cloud architecture and engineering best practices.

Lead design and full SDLC delivery for Venmo Android features. Provide technical leadership, mentor engineers, ensure operational excellence, consume GraphQL/REST APIs, write unit and automation tests, and promote engineering best practices across the team.

The Senior Software Engineer will drive the design and implementation of a metadata tagging platform, develop backend solutions, mentor junior engineers, and ensure product specifications are met while collaborating with various teams.

Lead multiple cross-functional pod teams (~20 engineers) to design and deliver full‑stack customer reporting solutions. Mentor engineers, drive architecture and design reviews, develop complex frontend and backend code, produce POCs, and champion agile, CI/CD, and TDD practices to ensure performant, user-friendly software.

Design, implement, and support scalable software for the Enterprise Procurement platform. Build and maintain microservices, integrations, and CI/CD pipelines; support SAP Ariba administration and production deployments; integrate AI/ML capabilities (LLMs, RAG, agents) into enterprise workflows; mentor engineers; collaborate with stakeholders for secure, compliant operations and continuous improvement; provide day-to-day production support and documentation.

Design, build, and operate scalable Java-based microservices and secure REST APIs for mobile and web clients. Mentor engineers, improve platform resiliency (event streaming, observability, CI/CD), and use AI-assisted developer tools to accelerate delivery, testing, and documentation. Collaborate cross-functionally on API contracts, troubleshoot production issues, and drive architecture and platform modernization.

Design, develop, test, and maintain backend and frontend software using languages like Java, .NET, Python, and JavaScript. Work across the SDLC, collaborate with cross-functional teams, resolve defects, follow CI/CD and security/accessibility standards (OWASP, Section 508, NIST), contribute to architecture, mentor junior staff, and support occasional on-site meetings at TSA HQ.

Twitch seeks a Senior Software Engineer to lead projects, design enterprise systems on AWS, build AI solutions, and mentor other engineers.

Build and deliver end-to-end product capabilities using Python and Next.js/TypeScript. Lead design, implementation, reliability, observability, CI/CD, and integrations. Champion AI-assisted development practices and agentic coding workflows, collaborate cross-functionally, and ensure production readiness and operational excellence.

Design, develop, and maintain web applications using C#, .NET, AngularJS, TypeScript and Node.js. Collaborate with customers and team to define requirements, ensure performance and quality, fix bugs, participate in code reviews, and maintain code quality within an Agile environment.

Design, develop, and maintain highly reliable full‑stack applications used across SpaceX for manufacturing, launch, and satellite operations. Own product lifecycle from prototyping to deployment, collaborate on architecture and code reviews, optimize performance, and implement testing, CI/CD, monitoring, and operational tooling.

Develop, implement, and optimize quantum error correction software for Intel quantum hardware; lead R&D on QEC protocols for fault-tolerant systems; evaluate hardware/software trade-offs and collaborate with hardware and software teams.

Design, develop, test, and maintain desktop and web applications that control automated saw machinery. Integrate software with electrical and mechanical systems, refactor for performance and reliability, participate in code reviews, and use AI-assisted and Agile development practices to deliver maintainable, production-quality solutions.

Lead full‑stack development of web and mobile applications, contributing to architecture and best practices. Build backend services (Python, Node/Express), frontend apps (React, Vue, TypeScript/ES6), databases (MySQL/Postgres, MongoDB, DynamoDB), REST APIs and microservices. Employ AI coding tools, testing (unit/integration), CI/CD and cloud/serverless (AWS). Provide consulting, scale/operate solutions, and work in agile teams with emphasis on code quality, performance, and client relationships.

Design, build, and own end-to-end frontend and full-stack features using React, Node.js, AWS and SQL. Collaborate with PMs, designers, researchers, and data scientists to spec and deliver fast, reliable, and user-focused product experiences, and contribute to technical strategy and large-scale initiatives for onboarding and activation funnels.

Build and own claude.ai's serving and agent execution platform: sandboxed compute for safe code execution, state management for long-running agent tasks, delegated auth, observability for agent actions, and partner with product and research teams to design and ship scalable, secure infrastructure.

Design, build, and maintain Python backend systems and AI/LLM workflows. Develop containerized applications with Docker and Kubernetes on AWS, create prototypes and production solutions, collaborate with data scientists and product managers, ensure security and testing best practices, and help evolve architectures and mentor teammates.

Lead full‑stack development of customer‑facing enterprise applications using Angular and Java. Design RESTful APIs, microservices, and micro front‑end architectures. Champion DevSecOps, cloud‑native deployments (AWS, Docker, Kubernetes), testing practices (TDD, automated tests), mentor engineers, and collaborate with architecture, security, UX, and platform teams.