Top Software Engineer Jobs

Join as a founding software engineer to build core product and infrastructure, collaborate with the founding team, and help shape technical direction. Role is in-person in San Francisco; compensation includes competitive salary and equity. Submit resume to the provided email.

Build scalable software systems for AI safety, including abuse detection, monitoring, automated enforcement, internal dashboards, and layered defenses. The role surfaces abuse patterns to research teams, supports model hardening, and collaborates with operational teams. Candidates should be proficient in Python and TypeScript, work across the stack, communicate effectively with nontechnical stakeholders, and ideally have experience in trust and safety, fraud detection, adversarial inputs, or AI/ML safeguards.

Build backend infrastructure for Anthropic’s trusted access programs, including identity verification, customer vetting, access control, safety configuration, misuse monitoring, enforcement tooling, account-compromise mitigation, dashboards, alerting, and internal administration systems. Collaborate with policy, enforcement, threat intelligence, product, research, and go-to-market teams while integrating third-party identity verification and data enrichment vendors.

Develop and support large-scale Mastercard payment gateway applications using Java, Spring, and Spring Boot. Design, test, deploy, and maintain backend and full-stack services while improving reliability, observability, performance, security, and operational readiness. Collaborate with QA, DevOps, product teams, and stakeholders; troubleshoot production issues; conduct code and design reviews; and provide technical leadership and mentorship. Contribute to CI/CD, cloud deployment, monitoring, automation, and software architecture.

Lead the technical roadmap for partner integrations across APIs, SDKs, and web experiences. Design and build scalable products, standardize external partner integrations, and deliver payment and data-sharing capabilities. Collaborate with Engineering, Product, Design, Infrastructure, Sales, Partner, and Customer Success teams while remaining hands-on. Drive architecture, code quality, delivery, stakeholder alignment, and technical strategy for high-impact fintech products.

Leads enterprise software engineering excellence initiatives, including responsible adoption of AI-assisted development tools, application health, vulnerability remediation, technical debt reduction, modernization, and secure-by-design practices. Establishes engineering standards, automates SDLC processes, improves release readiness and auditability, and mentors engineers across teams. Partners with architecture and security stakeholders to govern AI coding workflows, strengthen application resilience, and improve software quality at scale.

Develop and maintain backend applications, REST APIs, and microservices using Java Spring Boot and Node.js. Containerize applications, create Kubernetes manifests and Helm charts, and operate Kubernetes environments. Support CI/CD pipelines, cluster upgrades, monitoring, troubleshooting, security remediation, incident investigations, documentation, and operational runbooks.

Design and implement backend services, modernize legacy systems into microservices, ensure strong testing and production observability, and collaborate with Product and Engineering teams. The role requires independent project ownership, strong system design, AI-assisted development using tools such as Claude or Cursor, effective communication with nontechnical stakeholders, and adaptability in an ambiguous, fast-changing environment.

Own the technical foundation for Moveworks’ Developer Experience platform. Design and build SDKs, APIs, runtime abstractions, tooling, and developer-facing services that improve productivity and integration velocity. Lead platform strategy, architecture, reliability, observability, and cross-team alignment while mentoring senior engineers. The role requires deep distributed-systems expertise, production microservices experience, and end-to-end ownership of scalable developer platforms used by numerous external teams.

Design, develop, and maintain high-performance C++ trading platform applications. Partner with traders and quantitative researchers to translate business needs into efficient technical solutions. Lead profiling, performance optimization, testing, code review, and release improvements while owning features from design through production support.

Build and optimize low-latency C++ systems for market data processing, exchange connectivity, and order execution. Analyze performance across application, memory, CPU, networking, and operating-system layers. Collaborate with traders, FPGA engineers, and infrastructure teams, while owning production systems through design, testing, deployment, and real-time support.

Frontend engineering interns will build performant, intuitive interfaces, ship products with cross-functional teams, translate customer feedback into product improvements, and contribute to scalable engineering tools and practices. Candidates should have strong JavaScript fundamentals, product and visual attention to detail, programming experience, and a track record of building and shipping projects.

Develop full-stack, data-centric applications with GenAI capabilities, agentic workflows, predictive models, APIs, data pipelines, databases, and cloud infrastructure. Responsibilities include designing technical solutions, collaborating with data scientists and stakeholders, provisioning data for AI workflows, automating testing, supporting applications throughout their lifecycle, reducing technical debt, and promoting engineering excellence in an agile environment.

Develop, deploy, and operate highly scalable, reliable Azure cloud services for Windows Autopatch. Responsibilities include coding, debugging, refactoring, performance optimization, observability, incident response, on-call operations, and designing enterprise-grade software components. The role also serves as a designated responsible individual, guides engineers, monitors service health, and improves reliability and operational efficiency.

Contribute to full-stack features for spacecraft mission control and distributed ground control systems. Build React/TypeScript frontends and Elixir backend services, write maintainable and testable code, collaborate with operators, designers, and engineering specialists, and participate in design and code reviews. The role involves smaller, well-defined tasks under senior guidance during a three-month temporary engagement with potential conversion.

Provide Tier-2 support for the Streaming Hub: troubleshoot customer-facing issues, maintain UI components, debug distributed systems, build automation, assist in incident response, release validation, and contribute to operational documentation and reliability improvements.

Develop and test flight software for spacecraft computers, integrate GNC algorithms, maintain command telemetry databases, support command scripting, build subsystem simulators, and create device drivers and communications libraries. The role involves embedded RTOS development, hardware integration, mission testing, and collaboration with ground-control software teams. This is a three-month onsite temporary engagement in Denver or Long Beach, with potential conversion to regular employment.

Design, build, deploy, and operate scalable cloud-native microservices and APIs (Java/Spring Boot) on AWS/GCP and Kubernetes. Build event-driven systems with Kafka, ensure reliability via TDD, CI/CD, monitoring, and performance testing, and collaborate with cross-functional teams to deliver production services at global scale.

Build developer-experience tooling and frameworks that streamline development, testing, packaging, and production releases. Lead release tooling designed to move code changes to production within 10 minutes, implement quality feedback loops, and improve engineering workflows using qualitative and quantitative feedback. Collaborate with product managers, designers, and engineers to enhance developer productivity, engineering practices, and operational patterns while helping scale the team and platform.

Develop and maintain modern C++ spacecraft simulation software and multi-physics libraries. Model spacecraft dynamics, thermal systems, attitude control, propulsion, power, sensors, and actuators; implement numerical solvers and time-stepping algorithms; maintain Python and C++ APIs; and collaborate on mission planning, algorithm development, testing, code reviews, and sprint planning.

Develop scalable Java and AWS applications, customer-facing features, automation, observability, and self-service engineering solutions. Responsibilities include system architecture, prototyping, code reviews, CI/CD and infrastructure improvements, monitoring, production troubleshooting, Scrum participation, on-call support, and mentoring junior engineers.

Develop and maintain web-based features across the full stack. Write testable code, perform unit/integration testing, debug OS/DB/app/JS/network issues, participate in code reviews, mentor teammates, research new technologies, and produce documentation and support materials. Work in an agile team to deliver high-quality solutions.

Design, develop, and integrate cloud-native software solutions; analyze system requirements; support application updates and releases; mentor junior engineers; collaborate with QA; troubleshoot production issues; run trainings and contribute to platform and developer tooling initiatives.

Build developer-experience tooling and frameworks for efficient development, testing, packaging, and rapid production releases. Lead release tooling design, establish quality feedback loops, improve engineering workflows through qualitative and quantitative feedback, and promote effective engineering practices. Collaborate with product managers, designers, and engineers to enhance developer productivity and satisfaction while contributing to team and process growth.

Develop and maintain web-based applications across the full stack, including feature development, bug fixing, testing, debugging, documentation, and code reviews. Collaborate within an Agile team, research emerging technologies, troubleshoot operating systems, databases, applications, JavaScript, and networks, and contribute to process improvements. The role also includes mentoring teammates and delivering technical training.