Top Full Stack Developer Jobs in Austin, TX

Modernize a large fintech platform by building NestJS services and Next.js UIs, migrate transactional data to relational schemas, write comprehensive tests, identify and fix legacy problems, design scalable solutions that coexist with legacy systems, and use AI tooling responsibly to increase engineering velocity.

The role involves designing and building AI-native systems for revenue teams at Upside, including developing applications, partnering with teams, managing the entire stack, and improving system reliability and performance.

As a Fullstack Engineer, you'll design, build, and operate web applications, collaborating with product teams and mentoring peers while ensuring best practices in coding and system architecture.

As a Full Stack Engineer, you will build and improve features, collaborate with teams, and tackle technical challenges in software development.

Senior server-side engineer to develop and extend gameplay features and systems using PHP, work with relational and non-relational data stores, integrate new tools, and help define and scope work on high-profile live game titles.

Build and own end-to-end full-stack features across backend services and user-facing applications. Contribute to system design, reliability, performance, observability, and engineering practices while collaborating with product and design.

Lead full-stack design, development, and deployment of scalable applications using FastAPI and Vue.js. Integrate AI dev tools to improve workflows, manage AWS cloud infrastructure, build high-performance APIs, champion best practices, troubleshoot performance issues, and mentor junior engineers while collaborating cross-functionally.

Contribute to full-stack development for web (Next.js/React/Tailwind) and mobile (React Native/Expo), build backend APIs with NestJS, support AWS deployments and CI/CD, implement AI-driven conversational features, develop data components, and collaborate with senior engineers through code reviews and product discussions while receiving mentorship.

Own end-to-end fullstack development in a monorepo: build web (Next.js/Tailwind) and mobile (React Native/Expo) apps, backend services (NestJS), integrate AI conversational features, secure data systems, manage AWS deployments, develop robust APIs, collaborate cross-functionally, and optimize via data and A/B testing.

Design and implement full-stack applications and AI agents for the GenAI platform, ensuring rapid development and deployment across critical industries. Collaborate with teams to deliver secure and reliable cloud-native systems.

Design, build, and maintain full-stack applications and data workflows for regulatory, safety, and quality systems. Own end-to-end features from Next.js/React front end through Java microservices to relational databases and Databricks pipelines. Ensure test automation, CI/CD, observability, and secure, versioned APIs. Mentor engineers and translate regulatory requirements into scalable, auditable solutions.

The role involves leading application performance improvements across multiple platforms, focusing on measurable metrics and driving engineering standards and workflow optimization, using both hands-on coding and strategic influence.

Build and own Eve's marketing site and GTM engineering stack: integrate and optimize external tools, design AI agents for sales and marketing, implement webhooks and middleware to sync product/CRM data, and create programmatic campaigns and internal tools in partnership with Marketing, Sales, RevOps, and Product to drive growth and automation.

Lead frontend-leaning full-stack implementation work for carrier and enterprise integrations: architect reusable UI and API layers, author RFCs, guide technical delivery, enforce testing and security best practices, and partner with cross-functional teams to scope and ship production integrations.

Design, build, and maintain full-stack features using React, Next.js, TypeScript and Node.js. Develop backend services with PostgreSQL and RPC architectures. Contribute to AI/LLM-adjacent codebases, handle sensitive regulated healthcare data, and collaborate with product, QA, and design teams in an Agile environment.

Design, build, and maintain scalable full‑stack services and APIs. Implement frontend and backend components, own features end-to-end from design through deployment and support, collaborate with product and design, safely integrate AI/ML solutions, and drive observability, reliability, and engineering excellence.

As a Senior Software Engineer, you'll design, develop, and maintain full-stack applications, utilizing TypeScript and modern frameworks while collaborating cross-functionally to enhance user experience and performance.

Lead full-stack web development on GCP to build AI-powered search and discovery experiences. Design and implement web apps, services, and indexing pipelines, optimize performance, automate CI/CD and testing, mentor engineers, collaborate with product and ML partners, and productionize search/recommendation capabilities.

Seeking a full stack engineer to develop applications, requiring skills in Node.js, SQL, and modern JavaScript frameworks with a focus on scalability and performance.

Design and build a high-performance, AI-native web trading experience for sophisticated retail traders. Ship core trading workflows (order entry, positions, blotter, watchlists, alerts), implement trustworthy AI UI patterns, collaborate with backend engineers on low-latency contracts, and iterate quickly with users and stakeholders to deliver end-to-end product features.

Volunteer Principal Full Stack Engineer to lead and contribute across frontend and backend (React/React Native, Node.js, MongoDB). Own feature development, mentor engineers, collaborate with product/design, ship scalable code, and support CI processes. Must commit 4+ hours weekly and attend a weekly standup; first task includes launching a fundraising campaign.

Design, develop, and deploy full stack web applications. Build front-end and back-end components, integrate systems, write clean documented code, participate in code reviews, troubleshoot issues, and keep current with emerging web technologies and security best practices.

Build and maintain end-to-end product features across frontend, backend, and databases. Design APIs, authentication, data models, integrations, and AI-assisted workflows. Ship production-ready SaaS components, debug across the stack, improve reliability and performance, and collaborate on product and architecture decisions in an early-stage startup.

Design, build, test, and maintain full-stack applications using backend technologies (.NET/NodeJS/Java) and frontend stack (JavaScript/TypeScript/React). Deploy and manage applications on cloud platforms (Azure/AWS/GCP), implement CI/CD pipelines, work in Agile teams, ensure code quality and security, and collaborate across functions to deliver scalable solutions.

Design, build, test, and maintain full-stack web applications using backend frameworks (.NET, NodeJS, Java) and frontend tech (JavaScript/TypeScript, React). Deploy and manage applications on cloud platforms (Azure/AWS/GCP), implement CI/CD pipelines, follow Agile practices, and ensure code quality and security through testing and reviews while collaborating with cross-functional teams.