Top Software Engineer Jobs

Join a talent network connecting founding front-end engineers with VC-backed startups. Responsibilities include designing and building scalable, high-performance web UIs, optimizing performance and accessibility, creating reusable component libraries, integrating APIs and client-side logic, and defining front-end best practices and testing strategies while collaborating with designers, backend engineers, and founders.

Join a talent network connecting Staff Full Stack Engineers to VC-backed startups. Build and scale full-stack web applications, design APIs and microservices, optimize for performance, scalability and security, collaborate with product and design, and establish best practices for code quality, testing, and CI/CD across cloud-based architectures.

Join a talent network connecting staff front-end engineers with VC-backed startups. Responsibilities include designing and building scalable, high-performance front-end applications, defining front-end architecture and component libraries, improving performance and accessibility, integrating with APIs, establishing testing and CI/CD best practices, and mentoring junior engineers.

Join a talent network connecting founding full stack engineers with VC-backed startups. Responsibilities include designing and building front-end and back-end systems, developing APIs and cloud architectures, collaborating with founders on technical strategy, contributing to technical roadmaps, writing clean code, and establishing engineering best practices.

Join SignalFire's talent network to be considered for Staff Backend Engineer roles at early-stage startups. Responsibilities include designing, building, and maintaining high-performance backend services, APIs, and microservices; optimizing databases, caching, and event-driven systems; ensuring security, fault-tolerance, and cost efficiency; and establishing best practices for DevOps, CI/CD, and monitoring.

Join a talent network connecting founding front-end engineers with VC-backed startups. Responsibilities include designing and building scalable, high-performance front-end applications, creating reusable component libraries and design systems, optimizing performance and accessibility, integrating with APIs, and collaborating with designers, backend engineers, and founders to define front-end architecture and best practices.

Lead technical design and delivery of high-performance, secure backend systems. Develop and review production code using TDD, mentor engineers, prototype AI-enabled workflows, ensure reliability, performance, and compliance across distributed services.

Build and ship end-to-end features for Dover's marketplace and ATS. Propose product ideas, implement designs, launch, iterate in production, and collaborate closely with a small engineering team to move quickly and maintain high quality.

Drive technical strategy and roadmap for Affirm's Online Storage platform. Design and build multi-region, highly available datastore solutions and control planes for hundreds of databases. Automate schema migrations, disaster recovery, sharding, and performance tuning. Collaborate with product, SRE, and infrastructure teams, own operations and on-call readiness, and mentor engineers while setting code and design standards.

Lead design, implementation, testing, and support of scalable Java-based backend systems and microservices. Build and maintain distributed, high-performance services (APIs, caching, storage, video/image processing), integrate AI/ML components, and drive CI/CD, observability, and performance tuning while collaborating across teams to deliver reliable, maintainable solutions.

Lead design, development, testing, and CI/CD for cloud-native, ML-enabled platform features. Architect microservices and containerized systems, integrate AI/ML components, ensure observability and security, mentor engineers, run design reviews, and collaborate cross-functionally to deliver scalable IoT, energy, and digital twin solutions.

Design, build, test, and maintain scalable full-stack applications. Lead automation of deployments, collaborate with cross-functional teams, write unit/integration tests, debug production issues, document systems, and provide technical support and process improvements.

Develop and implement scalable vehicle simulation components modeling ECUs, actuators, chassis, and tires. Collaborate with vehicle dynamics experts, design and run model validation studies, refactor and optimize code, and produce technical documentation and release notes.

Lead full‑lifecycle development and delivery of high‑quality, performant web/Electron applications for motorsports operations. Debug, maintain, and tune live production systems, collaborate with engineering and trackside teams, mentor junior developers, and provide on‑call support for global events.

Lead full‑stack development for Gusto's HR Experience: design, build, and test employer and employee HR tools, create AI agents to scale HR partners, own large cross‑functional projects, mentor engineers, and operate on a large Ruby on Rails and JavaScript/React codebase.

Design and implement Datadog's Rust-based streaming client libraries and their interactions with the control plane. Optimize high-throughput, low-level streaming code for performance, reliability, and observability. Support and document developer experience, lead cross-team technical projects, and mentor junior engineers and interns.

Lead full‑stack development of React Native mobile apps and Node.js backends for digital therapeutics. Own architecture, build CI/CD and AWS infrastructure, design multi‑agent AI workflows, mentor engineers, and resolve cross‑cutting production issues.

Lead design and implementation of enterprise-grade payment integrations for Salesforce and Adobe ecosystems. Own full software lifecycle, incident response, architecture, testing, CI/CD, and cross-functional collaboration. Act as subject-matter expert, deliver technical demos, create documentation, and drive decisions that improve performance, reliability, and merchant experience at scale.

Lead architecture and evolution of the Workers control plane, re-engineer core services for scale, own system stability and efficiency, define benchmarks, participate in on-call, mentor senior engineers, represent the team in design forums, and evaluate/apply emerging technologies including AI to improve the developer platform.

Design, build and own a petabyte-scale self-service real-time data enrichment platform. Lead query processing, ingestion pipelines, storage, indexing and performance optimization using Spark/Flink and Apache ecosystem tools. Deliver unified data catalog, improve query performance and platform efficiency, collaborate on technical reviews, and enable internal and external customers to query and extract data efficiently.

Serve as the senior technical lead for partner integrations with NinjaTrader APIs. Troubleshoot and resolve complex API and real-time data issues, collaborate with partner engineering and Technical Account Managers, conduct code reviews, build diagnostic tools, set API support quality standards, mentor junior engineers, and translate partner feedback into roadmap improvements.

Lead design and delivery of large, ambiguous frontend and platform initiatives. Shape frontend architecture, standards, and shared patterns; build shared foundations and customer-facing surfaces; improve developer experience, reliability, and performance; partner with design and product; and apply AI-enabled workflows to boost engineering leverage and quality.

As a Software Development Engineer III, you will design, develop, and test components for Clearwater Analytics' Beacon platform, while providing ongoing support for financial technology clients.

Lead full‑stack design and delivery of customer‑facing web and mobile features across frontend and backend systems. Own architecture, ship reliable and observable services, mentor engineers, drive process and cross‑team designs, participate in on‑call rotation, and collaborate with product, design, and analytics.

Build a zero-to-one fullstack product for Remitly Business, design secure scalable frontend and backend systems, set technical standards, lead and decompose team projects, mentor engineers, ensure reliability and observability, and collaborate cross-functionally. Hybrid role based in Seattle.