Top Full Stack Developer Jobs in Austin, TX

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.

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.

Senior Full Stack Software Engineer role at Upside focusing on driving quality software development and enhancing consumer experiences through collaboration and technical choices.

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.

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.

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.

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.

The Staff Full-Stack Engineer will build automation tools, data pipelines, and self-service solutions for Performance Intelligence, collaborating with cross-functional teams to enhance data accessibility and insight delivery.

Join a small team to improve a tech product aimed at upskilling users in MENA, working with JavaScript and Node.js in a collaborative remote environment.

Lead development of high-performance web and desktop apps, implement scalable real-time communication, maintain CI/CD pipelines, write tests, mentor engineers, and drive architecture and system design decisions.

Build and maintain end-to-end frontend and backend features for gaming systems. Develop responsive React interfaces, backend services in Node.js and Python, integrate APIs and data sources, manage databases, write tested production-grade code, identify and fix performance/reliability issues, participate in design discussions and code reviews, and collaborate with product and data teams.

Design, build, and operate scalable backend or full‑stack services (frontend focus) for rates and inventory. Implement system and API design, write tests, deploy and monitor production services, participate in code reviews and design discussions, and safely integrate AI/ML-enabled components while improving reliability, observability, and operational processes.

The Application Development Cloud Engineer develops and maintains cloud-native applications, focusing on backend development using modern frameworks while collaborating in teams to ensure quality and performance.

Design, build, and maintain scalable backend services and APIs for commerce workflows using Python/Django. Improve reliability, performance, and observability, operate AWS deployments, work with PostgreSQL and event-driven architectures (SNS/SQS), modernize legacy systems, and support CI/CD, testing, and production troubleshooting.

Lead full‑stack design and delivery of customer-facing web experiences (Browse, Navigate, Preview). Own architecture, APIs, data models, rollouts, observability, on‑call readiness, and cross-team alignment, using approved AI-assisted workflows while ensuring technical quality and reliability.

Senior full-stack engineer responsible for designing, building, and operating high-traffic consumer features across backend, APIs, frontend, and infrastructure. Own production reliability, observability, tests, security/compliance-aware designs, and deliver end-to-end features while collaborating cross-functionally and championing modern AI-assisted tooling and automation.

Build and ship full-stack features for customer-facing Console and Playground, plus internal tools. Design and maintain APIs and backend services, implement accessible performant frontends, translate product requirements into incremental work, and improve code quality through reviews and design discussions.

Lead technical direction and delivery for the Acquisition & Onboarding full‑stack team. Build and maintain mobile (React Native/native) and web experiences, backend services at scale, and operational tooling. Drive architecture, mentor engineers, ensure reliability/monitoring/on‑call readiness, collaborate with product and design, and improve dev processes, testing, and release practices to impact conversion and retention.

As a Fullstack Engineer, you will build and deliver features, design data models, collaborate with teams, and enhance CI/CD processes to improve logistics decisions for national security missions.

Develop and deliver production-ready web experiences for marketing using React, Gatsby, and Tailwind. Build API integrations, maintain a lightweight codebase and design-system components, ensure accessibility, performance, SEO, and multi-region support, participate in code reviews, and help shape tooling and best practices across the team.

Develop fullstack web applications, enhance platform performance, collaborate on high-impact opportunities, and ensure stable, scalable solutions. Engage in rapid iterations and be a committed team player.

Owner of end-to-end ecommerce features: design, implement, and maintain scalable backend services and performant React/Next.js frontends. Integrate payment gateways and procurement systems (PunchOut), mentor engineers, uphold code quality, and improve platform stability across Node.js, MySQL, and MongoDB.

Serve as technical lead for Spotlight Listings and Agent Directory, owning end-to-end architecture across React/Next.js frontends, Node.js backends, GraphQL/REST APIs. Drive performance, scalability, Core Web Vitals, accessibility, testing, observability, and mentor engineers while partnering with Product, Design, and Data.

Design and implement full‑stack, low‑latency web-based Ground Control Station and C2 systems (map-centric UIs, real-time telemetry, video streaming), lead architecture and APIs, mentor engineers, support field tests and mission deployments, and ensure interoperability with C2 standards.