Top Full Stack Developer Jobs

Build and ship high-impact frontend and backend features for CHAI AI’s social AI platform, serving millions of users. The role offers broad ownership across the stack, requires defining problems and solutions in a fast-moving, flat engineering team, and involves rapid product iteration with measurable outcomes. Engineers work in person at the Palo Alto office and complete a fast interview process including a take-home assessment and onsite interview.

Lead redesign of core data models, expand and improve the reporting system, and build user-facing automation to streamline repeated workflows. Work autonomously to take features from conception through delivery while collaborating with stakeholders and raising engineering standards.

As a Senior Full Stack Developer, you'll lead a team in developing end-to-end software solutions, focusing on architecture, tools, and system improvements.

Develop and maintain Java-based, multi-tier web applications using React, NextJS, TypeScript, databases, and web services. Responsibilities include translating requirements into code, testing and debugging applications, participating in code reviews, resolving defects, and collaborating with stakeholders and senior developers. The role requires 5+ years of software development experience, a bachelor's degree, and eligibility for a DHS Public Trust Level 5 clearance.

Design, develop, test, deploy, and maintain enterprise-scale full-stack web applications supporting federal programs. Provide technical leadership, conduct code reviews, apply architectural and coding standards, develop REST and SOAP services, and collaborate with stakeholders, product owners, designers, and development teams. Translate requirements into secure, scalable solutions while supporting the full software development lifecycle and continuously improving development processes and team productivity.

Develop and maintain scalable full-stack web applications for NASA’s Extensible Traffic Management Client. Build React-based user interfaces and JavaScript server-side applications, integrate REST APIs, implement automated testing, and support containerized deployments with Docker and Kubernetes. Collaborate with designers and agile team members, conduct code reviews, practice continuous delivery, and deliver reliable, high-performance software for aerospace operations.

Lead full-stack development for StashWorks, a B2B platform supporting partner onboarding, employee eligibility and enrollment, authentication, integrations, communications, and operational tools. Own software delivery from design through production, using AI coding assistants, testing, observability, continuous deployment, and scalable cloud infrastructure. Collaborate across product, operations, marketing, and partner-facing teams while building maintainable Go services and APIs.

Build and own internal people-intelligence products used by company leaders, including performance, workforce planning, headcount, budgeting, and organizational analytics tools. Develop Go services and React/TypeScript frontends, data pipelines, integrations, metrics, and visualizations. Deploy and operate systems on GCP and AWS, modernize legacy Python/Flask applications, and protect sensitive people and financial data. Partner directly with leaders and internal teams to define and deliver reliable solutions.

Develop scalable Java-based distributed systems for BILL’s Growth team, focusing on customer acquisition, activation, onboarding, and product expansion. Build high-performance SaaS applications using AWS services, SQL and NoSQL databases, Gradle, and CI/CD pipelines. Collaborate with feature teams and product managers while applying generative AI and LLM technologies to accelerate engineering workflows.

Develop firmware, backend systems, and tooling for cellular IoT devices. Responsibilities include C development for STM32 microcontrollers, embedded AI integration, cellular communication, low-power optimization, device debugging and validation, and backend development with Python and Ruby on Rails. The role collaborates with hardware, electronics, and manufacturing teams and requires independently leading complex development initiatives.

Develop firmware, backend systems, and tooling for cellular IoT devices. Responsibilities include C development for STM32 microcontrollers, embedded AI integration, cellular communication, low-power optimization, hands-on device debugging and validation, and backend development with Python and Ruby on Rails. The role collaborates with hardware, electronics, and manufacturing teams and independently leads complex software initiatives.

Build modern .NET worker services, APIs, T-SQL solutions, and web interfaces replacing legacy COBOL batch systems. Review and validate AI-generated code, implement logging and restartability patterns, support parallel validation and production cutovers, troubleshoot system differences, and improve engineering standards. The role requires production ownership, strong SQL and full-stack development skills, and collaboration with QA and legacy-system specialists.

Build and launch full-stack product features for personal AI agents across web interfaces, APIs, backend services, and data models. Design persistent asynchronous workflows, agent execution interfaces, and reliable cross-device experiences. Translate emerging model capabilities into prototypes, improve performance and fault recovery, and own projects from exploration through launch and iteration. Help establish technical direction, testing practices, and observability while collaborating with product, design, research, and engineering teams.

Build and maintain scalable fullstack web and desktop applications across frontend and backend systems. Develop React and TypeScript interfaces, RESTful APIs, microservices, and backend services using technologies such as Node.js, Java, Python, and AWS. Collaborate with product and design teams, participate in code reviews and systems design, troubleshoot performance issues, and contribute to Agile and CI/CD processes.

Build end-to-end product features for a construction intelligence platform: implement high-performance React front-ends, Python/Postgres backends, work on document intelligence, search, change detection and large-scale data processing, ship with customers, and collaborate with founders.

Build and ship end-to-end product features across an author analytics dashboard, marketing site, free tools, billing, email, and AI-assisted functionality. Design data models and APIs, integrate third-party services, develop production LLM features, and maintain testing, monitoring, performance, and observability. The role includes code review, technical documentation, independent product decisions, and close collaboration with the founder in a remote-first environment.

Own full-stack modernization of complex legacy systems for a federal client. Responsibilities include analyzing workflows, designing scalable applications, developing Java and Spring Boot backend services, building React front ends, implementing APIs and integrations, supporting the full SDLC, troubleshooting across application layers, and collaborating with technical and non-technical stakeholders. The role is fully remote and requires U.S. citizenship with the ability to obtain and maintain Public Trust clearance.

Develop consumer-facing APIs, web components, and websites using Python and modern frontend technologies. Collaborate with iOS and machine learning engineers, monitor production performance, troubleshoot issues, write automated tests, contribute to architecture decisions, and prioritize work with engineering and product teams in an agile environment.

Build and architect low-latency .NET APIs, backend services, and Angular interfaces for a large-scale financial platform. Develop microservices and message-driven systems, maintain CI/CD pipelines and observability, define OpenAPI contracts, and deliver analytical investment tools. Ensure more than 80% test automation coverage, conduct peer code reviews, and participate in Agile/Scrum planning while using AI coding tools to accelerate development.

Build scalable AI capabilities for Fidelity Wealth, partnering with business, product, architecture, data, and platform teams. Develop secure, reliable, production-ready solutions; apply modern software architecture, cloud platforms, testing, and design patterns; lead technical discussions; mentor engineers; and deliver end-to-end full-stack systems.

Leads the architecture and development of scalable, low-latency, event-driven trading systems. Designs asynchronous processing and resilient messaging services, optimizes platform performance, delivers end-to-end trading workflows, mentors engineers, and supports production environments through on-call rotations. Requires expertise in Java, Python, Linux, messaging systems, time-series databases, FIX, capital markets, CI/CD, and cloud deployment.

Design, implement, and optimize full-stack solutions. Collaborate with cross-functional teams, participate in code reviews, analyze and improve system performance, and stay current with industry technologies.

Develop and modernize shared Python/Django applications, libraries, APIs, runtimes, and infrastructure. Lead lifecycle upgrades, secure authentication and database integrations, AWS deployments, application security improvements, testing, documentation, production troubleshooting, and technical mentoring across multiple application teams.

Lead the design, development, testing, deployment, and operation of secure full-stack applications using frontend and backend technologies. Build scalable APIs and accessible user experiences, improve resiliency and performance, troubleshoot production issues, and guide code quality and architecture. Drive CI/CD, automation, observability, secure development, AI-assisted engineering practices, and technical initiatives across agile, cross-functional teams.

Develop and modernize full-stack .NET applications, APIs, interfaces, databases, Azure services, and AI-enabled features supporting NIH systems. Implement identity, authentication, authorization, secure integrations, automated testing, CI/CD, and DevSecOps practices. Maintain legacy Windows services and SOAP/WCF integrations while collaborating with technical and business teams in an Agile Scrum environment. The role requires hybrid onsite work in Bethesda, Maryland and eligibility to obtain a Public Trust clearance.