Top Software Engineer Jobs

Join Twilio as a Staff Software Engineer to design and build scalable, reliable communication systems. Collaborate with cross-functional teams, mentor engineers, drive technical direction, perform architecture and code reviews, and deliver high-quality production services in a remote-first environment.

Own and evolve core trading platform services: design and build cloud-native .NET microservices, APIs, and high-availability distributed systems. Drive architecture, reliability, monitoring, incident response, and mentor engineers while occasionally contributing to React/TypeScript frontend work.

Lead design and implementation of a low-latency C++ trading platform covering execution, market data, order and risk management. Build direct exchange connectivity, optimize microsecond/nanosecond performance, collaborate with traders and quants, and own systems end-to-end in production trading environments.

As a Staff Software Engineer on the Data Platform team, you'll architect and develop cloud-native SaaS services, lead distributed systems design, and mentor engineering teams to drive innovative data solutions.

Lead design, development, and implementation of Salesforce solutions (LWC, Apex, Visualforce) including Experience and Commerce Cloud and Accounting Seed. Build integrations (REST/SOAP, payment gateways), CPQ and Marketplace apps, mentor developers, perform code reviews, and optimize platform performance and reliability.

Design and build large-scale backend systems for real-time trading. Lead complex projects, mentor juniors, and enhance system performance.

Design and deliver highly-available, low-latency cloud services and APIs for Vehicle Intelligence/ALPR. Lead architecture reviews, scale ingestion pipelines and APIs, mentor engineers, collaborate with Product and Design, and apply AI agent tools to improve development and customer outcomes.

Lead backend technical strategy and hands-on implementation to migrate on-prem systems to Azure, decompose a .NET monolith into service-based architecture, define data models and API contracts, ship customer-facing features with CI/CD and observability, and mentor engineers across the cross-functional Platform team.

Lead full-stack engineer to own and scale AXS's web platform across front-end, back-end, APIs, and data integrations. Architect modern front-end systems, ensure performance, accessibility, and responsiveness, guide a team of engineers, and collaborate with Product and Design to deliver scalable consumer and B2B web experiences.

Design and implement full-stack satellite ground software (OS, platform, mission layers). Build client/server services using service-oriented and message-bus architectures. Develop command-and-control, mission planning, constraint checking, and 2D/3D visualization tools. Work with C++, Python, Docker/Kubernetes, Postgres, Ansible, PKI and cloud provisioning. Produce software architecture documentation and support Agile/DevOps development and integration.

The Principal Software Development Engineer leads the architecture and delivery of AI-driven healthcare applications, overseeing full stack development and collaborating with stakeholders to align technical solutions with business needs.

Provide technical leadership across PBM/Claims Adjudication web platforms: design and implement cloud-native web services, evaluate and integrate technologies, ensure scalability/security/accessibility, troubleshoot complex issues, drive CI/CD and best practices, and mentor engineering teams while collaborating with product and UX stakeholders.

Lead software architecture and development for BMC2 capabilities: define technical strategy, design microservices and event-driven systems, lead engineering teams, coordinate demos/RFPs/sales, interface with customers and cross-division programs, and deliver DoD Open Architecture solutions on Linux and cloud-enabled CI/CD pipelines.

Develop and maintain high-performance, real-time simulation software (C++ AFSIM) while supporting existing Java components. Design, code, test, debug, and integrate simulation entities and tools, perform analysis and user support, and work with configuration management and operations automation in a fast-paced team environment.

Designs, develops, debugs, and integrates software for C-UAS systems. Maintains baselines, implements OS applications and automation tools, supports fielded products, and collaborates on architecture and deployment on-site in Huntsville.

Technical lead for end-to-end web platform ownership: design front-end architecture and component systems, build scalable consumer and B2B applications, develop back-end APIs in C#/.NET Core, optimize performance and accessibility, and guide a team to align engineering with product goals.

Troubleshoot complex software issues on customer sites, manage expectations and prioritize requests, validate customer scenarios, engage with product teams for readiness, develop and deliver software training, and mentor junior engineers.

Design, build, and maintain scalable brokerage systems including gRPC microservices and a React admin UI. Lead regional engineering initiatives, mentor engineers, act as incident commander, troubleshoot production issues, and collaborate with global teams to support multi-market growth.

Design, implement, and maintain scalable brokerage systems and middle/back-office services (gRPC microservices, React admin UI). Lead regional recruitment and reliability, mentor engineers, act as incident commander, collaborate with global teams, troubleshoot issues, and build solutions supporting multi-language/currency markets and regulatory requirements.

Lead design and delivery of cloud-native, real-time distributed platforms for intelligent networking and agentic AI. Architect scalable, secure systems processing high-volume network telemetry, mentor engineers, drive production deployments, and solve complex ambiguous problems across networking, AI, and data domains.

Build and scale full‑stack systems and data pipelines that ingest large volumes of social data, deliver AI‑powered product experiences, improve reliability and performance, establish operational best practices, and provide technical leadership and mentorship across the engineering team.

Own and improve backend case execution systems (eligibility, batching, submissions, orchestration). Solve complex, data-driven decision and workflow problems, collaborate cross-functionally, and support internal UI/admin tooling as needed.

Contribute to the development of Waabi World, improve simulation scalability, and design orchestration software for autonomous vehicle simulations.

The Senior Software Engineer at Carvana will drive large-scale projects, develop scalable solutions, collaborate with teams, and mentor junior developers, primarily using C# and JavaScript technologies.

Design, build, and scale backend services powering search, recommendations, and retrieval. Develop data pipelines to ingest, normalize, and index large government and enterprise datasets. Create embedding-based retrieval pipelines, resolve entities in messy data, and own projects end-to-end from design through deployment, collaborating with product and engineering teams.