Top Software Engineer Jobs

Design, develop, and maintain software applications using Node.js, React, and JavaScript. Implement and manage Kafka-based data streaming. Collaborate on problem solving, perform code reviews, and improve development processes and tools.

Build customer-specific features, prototypes, APIs, automations, and scalable platform solutions for financial institution customers. Partner directly with clients and cross-functional teams to understand technical challenges, identify product gaps, and develop solutions. Contribute to broader platform engineering, re-architect initial implementations for scale, and create internal tools that streamline customer and implementation workflows.

Owns architecture and hands-on development across a production AI platform for pharmacy and healthcare. Builds scalable systems, safe voice and SMS agents, EHR integrations with Epic, prior authorization automation, and reliable AI evaluation and guardrails. Leads complex cross-team projects, mentors engineers, improves engineering practices, and advances agentic development. Requires recent Staff+ level system-building experience, production LLM expertise, strong architectural judgment, and experience operating in high-compliance or high-consequence environments.

Build and improve backend services and APIs supporting secure, reliable video playback. Own projects involving content protection, streaming security, playback latency, publishing workflows, and availability testing. Collaborate across product and engineering teams, participate in on-call response, debug production issues, and improve testing, observability, documentation, and service reliability.

Own commercial navigation features end to end across mobile, backend, and web surfaces. Build reliable, customer-facing navigation experiences for commercial fleets despite poor connectivity, dynamic schedules, and changing routes. Define product priorities and success metrics, ship maintainable and tested code, improve observability, and collaborate with product, design, Maps, Telematics, and adjacent engineering teams. The role requires strong customer focus, technical depth, and the ability to make practical tradeoffs in ambiguous problem spaces.

Build and operate highly reliable card-issuing systems at Block, focusing on network integrations, ISO 8583 message flows, authorization, clearing, certification, mandates, and production behavior. Lead complex cross-team engineering initiatives, create conformance tooling and shared frameworks, debug protocol-level issues, collaborate directly with card networks, mentor engineers, apply AI-assisted development practices, and participate in on-call support for critical financial systems.

Build and operate highly reliable card-issuing software and tooling across authorization, clearing, settlement, certification, and network integrations. Serve as a technical expert on card-network specifications, protocols, mandates, and production behavior. Lead complex cross-team engineering work, debug protocol-level issues, influence network requirements, mentor engineers, improve platform reliability, and participate in on-call support for critical financial systems.

Drive projects that improve AI agent effectiveness across software development workflows. Build and maintain reliable developer tooling, iOS frameworks, libraries, build systems, and testing infrastructure. Collaborate with cross-functional partners to improve developer productivity, increase AI agent efficiency and reliability, and deliver roadmap initiatives across large-scale codebases.

Lead iOS platform initiatives that improve developer productivity and AI-agent effectiveness across software development workflows. Build and enhance frameworks, tooling, libraries, build systems, CI, and testing infrastructure for Airbnb’s large-scale Swift codebase. Collaborate cross-functionally to identify inefficiencies, drive roadmap projects, support migrations, and improve AI-agent execution time, token efficiency, reliability, and quality.

Build and operate highly reliable card-issuing systems at the network boundary. Responsibilities include interpreting specifications, protocols, certifications, mandates, and production behavior; developing production software and conformance tooling; analyzing network messages; driving certification cycles; influencing card networks; mentoring engineers; applying AI-assisted engineering practices; and participating in on-call support for critical financial systems.

Staff Software Engineer responsible for building and operating Block’s card issuing platform at the network boundary. The role requires deep expertise in card networks, ISO 8583, authorization and clearing flows, certifications, mandates, and direct network connectivity. Responsibilities include writing production code, developing conformance tooling, debugging protocols, leading cross-team technical initiatives, influencing network requirements, mentoring engineers, supporting AI-assisted development, and participating in on-call operations for critical financial systems.

Lead full-stack software development for Thomasnet’s AI-assisted sourcing platform. Design, code, review, test, troubleshoot, and deliver features independently, including LLM, retrieval, search, evaluation, and safety capabilities. Mentor engineers, establish strong coding practices, and own reliability and operational excellence. The role uses TypeScript, Node.js, GraphQL, React, Next.js, PostgreSQL, and OpenSearch, with opportunities to work on multimodal embeddings, agent orchestration, and model adaptation.

Lead technical direction and hands-on implementation across engineering teams building Thomasnet’s AI-assisted sourcing platform. Design architectures, develop reliable full-stack software, guide AI adoption, review code, mentor engineers, and collaborate with product, design, and executive stakeholders. The role focuses on shared systems, AI infrastructure, marketplace-scale platforms, and technologies including TypeScript, Node.js, GraphQL, React, PostgreSQL, search, LLM applications, and vector technologies.

Build and maintain Thomasnet’s full-stack marketplace systems and AI-powered sourcing features. Lead feature design and delivery independently, including LLM applications, retrieval, search, evaluations, and safety guardrails. Contribute hands-on code, testing, debugging, troubleshooting, and code reviews while mentoring engineers. Partner with product and engineering peers to deliver reliable software, improve coding practices, and support customer and business outcomes.

Provides hands-on technical leadership across engineering teams, shaping architecture and AI infrastructure while contributing to implementation. Responsibilities include writing architectural plans, guiding technology adoption, mentoring engineers, conducting code reviews, ensuring operational excellence, and collaborating with product, design, and executive stakeholders. The role focuses on building reliable full-stack marketplace systems and AI-assisted sourcing capabilities, including LLM applications, retrieval-augmented generation, vector search, embeddings, and other modern AI technologies.

Lead software architecture and implementation across multiple engineering teams while remaining hands-on. Set technical direction for shared systems, AI infrastructure, and scalable marketplace platforms. Build and evaluate AI products using LLMs, retrieval-augmented generation, vector search, embeddings, and related frameworks. Mentor engineers, guide technology adoption, conduct code reviews, ensure operational excellence, and collaborate with product, design, and executive stakeholders.

Design and implement experiments deep within browser engine subsystems, including DOM, layout, rendering, accessibility, JavaScript runtimes, and networking. Investigate browser behavior, prototype capabilities for programmatic web interaction, measure performance and correctness, profile overhead, and document results. The role requires hands-on systems engineering, browser platform expertise, large-codebase development, and collaboration on AI-agent tooling.

Lead large-scale backend platform initiatives, define technical direction, and design frameworks, shared libraries, static analysis systems, and developer tooling. Partner with infrastructure, security, and product engineering teams to improve scalability, reliability, maintainability, and developer workflows across backend services. Mentor engineers and influence technical strategy across multiple teams.

Own full-stack cart, checkout, and order-confirmation initiatives from technical design through production measurement. Build accessible web experiences with TypeScript and modern frameworks, resilient Python APIs and services, stateful transaction workflows, and reliable integrations. Improve performance and completion through experimentation, observability, feature flags, and customer data. Collaborate with product, UX, analytics, platform, and commerce teams while contributing code reviews, testing, documentation, mentoring, and operational readiness.

Embed with customers to design and build end-to-end software solutions, acting like a startup CTO. Iterate with users, own high-stakes projects, and improve Credal's AI platform while navigating real-world complexity and ambiguity.

The Autonomy Software Engineer will develop and integrate systems, lead teams, conduct tests, and engage with customers to ensure robust mission systems solutions.

The Autonomy Software Engineer develops and integrates software systems for defense-related sensor technology, focusing on real-time applications and system testing.

The Autonomy Software Engineer will develop, integrate, and test autonomous systems using C++, lead teams for real-time applications, and support customer requirements.

Develop and integrate autonomy and mission systems software for sensing platforms, implement real-time Modern C++ applications from higher-level algorithms, lead small teams, perform M&S and live testing using LVC infrastructure, and engage with customers to shape requirements and deployments.

Design, implement, and maintain full-stack cloud-based software solutions for a DoD customer. Collaborate with stakeholders, apply DevOps practices, build cross-network portable and secure applications, and document operations and maintenance standards.