Top Full-Stack Engineer Jobs in Seattle, WA

Build and own complex frontend features using Vue 3 and TypeScript while developing the Python services and APIs that power them. Improve performance, accessibility, testing, CI/CD, and observability; collaborate with product and design; mentor engineers and apply AI-assisted development tools responsibly to accelerate productivity and maintain quality and security.

Design and implement scalable backend services for payment and transaction workflows using Java. Own end-to-end features from data model and APIs to Angular frontends, improve reliability and performance, refactor legacy systems, troubleshoot production issues, and collaborate with product and design. Leverage AI-assisted development tools responsibly and share best practices across the team.

Design and build agent-powered mission consoles, collaborate with stakeholders to improve user workflows, and maintain agentic workflows for mission outcomes.

As a Senior Software Engineer, you will design and build a cutting-edge identity search platform and implement AI systems for defense applications, working closely with cross-functional teams to enhance user workflows and support national security.

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.

Develop and deploy scalable cloud and on-prem authentication services. Build backend REST APIs, integrate relational and JSON databases, containerize with Docker (Kubernetes familiarity), work with cloud platforms (AWS/Azure/GCP), and implement front-end features (Angular preferred). Participate in full SDLC and cross-functional tasks including QA and business analysis.

Build and deliver customer-facing features end-to-end across frontend and backend. Work with Customer Success and Product to prioritize requests and fix bugs. Contribute to backend services, maintain tooling and engineering practices, and move between multiple products and codebases while owning problems from request to release.

Design and lead end-to-end, secure, scalable application and integration architectures for federal modernization projects. Translate requirements into architecture strategies, guide API and cloud designs, evaluate tradeoffs, mentor teams, and ensure solutions meet security, compliance, and performance needs.

Develop and scale backend services and tooling for a top e-commerce mobile apps engineering team. Contribute to architecture, integrations, testing, and continuous delivery while focusing on performance, security, and usability.

Build and ship end-to-end features for a restaurant operating system, lead architecture and technical execution, define product roadmap with cross-functional teams, and maintain high-quality CI/CD and productionized systems.

The Full Stack Engineer will design, build, and maintain scalable web applications, impact customer onboarding and integrations, write and review code, and support technical improvements.

Mid-level Full Stack Engineer responsible for designing, building, and maintaining features across React Native mobile and backend services. Collaborate with product, design, data, and DevOps to deliver scalable solutions, write unit and end-to-end tests, resolve production issues, improve observability, and mentor junior engineers.

This senior role involves developing and enhancing a monitoring application that consolidates various data sources. Responsibilities include application logic, data schemas, and collaborating with business and DevOps teams for enhancements.

Full-stack engineers will develop features for a system used by radiologists, focusing on low-latency WebSocket workflows and UI/UX design.

As a Senior Full Stack Engineer, you will design and implement user experiences, data pipelines, and large-scale compute solutions while ensuring customer satisfaction and product scalability.

The Full Stack Engineer will optimize cloud infrastructure, develop and maintain hybrid mobile applications, and enhance backend systems using Java and Spring Boot.

Build and maintain end-to-end web applications: design, code, test, debug, and deploy backend APIs and front-end components. Improve legacy systems, create reusable libraries, and support operations and clients while collaborating with product and customers.

Lead design and delivery of integration-heavy full-stack platforms: define front-end architecture, own backend/API design, optimize databases, enforce security and observability, mentor engineers, and align technical decisions with product and business goals while using AI-forward tools to accelerate delivery.

Responsible for end-to-end development of Tableau dashboards, collaborating with stakeholders and optimizing dashboard performance while managing the full Tableau stack.

Responsible for leading a team of engineers, supporting product development, identifying technical issues, and ensuring high-quality code delivery in backend systems at scale.

Design, develop, and maintain front-end and back-end features for Node/Angular web applications on cloud platforms. Contribute to architecture, production management, DevOps, troubleshooting, and cloud infrastructure deployment and support.

Design, build, and maintain cross-platform mobile applications and end-to-end web features. Implement front-end interfaces, back-end services and RESTful APIs, optimize databases, write tests and documentation, perform code reviews, and collaborate with UX, QA, and DevOps to deliver high-quality, secure, and performant solutions.

Build and maintain scalable React/Node/TypeScript web applications, design RESTful APIs and microservices, optimize performance, troubleshoot full-stack issues, collaborate on features, adopt AI-assisted tools, and support CI/CD and cloud integrations.

The Full Stack Engineer will design, implement, and deliver full-stack features, focusing on scalable APIs and cloud-native solutions while collaborating with clients and engineering teams.

As a Full Stack Engineer, you will build AI-powered applications, manage client interactions, and apply best practices in MLOps and LLMOps.