Frontend Developer Jobs in Washington, United States

Appnovation is seeking a Senior Frontend Developer to build the user-facing application for a modern operational SaaS platform serving K-12 education. You will engineer workflow-driven, data-dense interfaces in Next.js, React, and TypeScript against .NET REST APIs, owning component development, Playwright end-to-end testing, and accessibility compliance.

Zoom Frontend Engineering builds the core collaboration experience for Zoom's chat and meeting products. The Senior Frontend Engineer develops and maintains chat and meeting modules using React and Vue, implements real‑time streaming via WebSocket, and ensures WCAG‑compliant accessibility.

Frontend Team at Howie builds an AI-powered scheduling assistant that automates coordination for busy professionals. The Senior Software Engineer designs and implements user‑facing features in React, creates intuitive dashboards for internal trainers, and integrates clean interfaces with backend APIs.

LiveOps team at BRINC builds a tele‑operations platform for public safety, enabling drones to respond to 911 calls with real‑time visual data. The Senior Frontend Engineer prototypes new UX features with customers, ships production‑ready React applications, improves cloud‑based drone tools, and leads migration to a modern tech stack.

ALSO, an electric mobility company, seeks a Senior Frontend Engineer to build and steward its Shopify-based commerce storefront. This role focuses on extending the design system, enabling self-serve page composition for creative teams, and optimizing performance and accessibility.

Lightning AI builds an end-to-end platform for developing, training, and deploying AI systems, combining PyTorch Lightning with cost-efficient large-scale compute. As a Frontend Engineer, you will own key UI and frontend infrastructure features end-to-end, writing React and Redux code, setting technical direction, and partnering with engineering, product, and design to ship iterative improvements.

Site Reliability Engineering team at Redfin builds self‑service infrastructure that empowers frontend teams to own performance and reliability. The role builds RUM frameworks, AI gateway guardrails, and AI‑driven observability to reduce MTTR, while partnering with core teams to design resilient high‑traffic paths.

Wealthfront seeks a Software Engineer, Frontend to join its cross-functional scrum team in building client-facing wealth management products. The role involves designing features using the in-house Design System, improving infrastructure, and collaborating with backend and mobile engineers.

Online Ads Frontend team at Microsoft builds the ad rendering experience and supporting infrastructure for Bing and MSAN. The Senior Frontend Software Engineer designs and implements versatile UI libraries, collaborates with design, PM, and partner teams, and uses data monitoring to improve ad performance.

Ads Platform Frontend team at Microsoft builds and scales the advertising platform's client‑side experience. The Principal Software Engineer drives architecture, performance, accessibility and AI‑enabled engineering practices across multiple teams, mentors engineers and leads technical investigations.

Hive seeks a Frontend Software Engineer to build secure, high‑performance user interfaces for its AI‑powered platforms. Working closely with designers, product owners, and backend engineers, you’ll implement new features using React, Redux, Webpack, and ES6, while ensuring code adheres to OWASP security guidelines.

Ravenna builds high‑quality web experiences for its core product. The Senior Frontend Engineer designs and implements complex interfaces using React, NextJS, and TypeScript, owns frontend architecture, and ensures performance and polish.

Brex is the intelligent finance platform enabling companies to spend smarter and move faster across 200+ markets. As a Senior Frontend Engineer, you will work across the entire Brex stack to create and maintain new products and features, build scaling tools, and lead multi-functional projects with direct business impact.

Nominal's platform team builds the connected test and operations platform for advanced hardware systems, turning massive telemetry streams into actionable tools. As a Frontend Software Engineer, you will design intuitive interfaces for complex, real-time data, own ambiguous product problems, and develop scalable React/TypeScript architecture while collaborating with product, design, and backend engineers.

Databricks seeks a Staff Frontend Engineer to lead the design and delivery of scalable, user-friendly UI components across its data platform. The role focuses on creating reusable primitives, bootstrapping applications, and ensuring consistent navigation while driving performance, accessibility, and security.

Finvari is a SaaS startup transforming construction payment workflows by eliminating manual tasks and empowering leaders to focus on building infrastructure. As a Senior or Staff Software Engineer, you will contribute to the front-end and full-stack of the application, designing and building new features for customers using React, React-Native, and a serverless GCP (Node.js/Typescript) backend.

Web Modernization program at Scribd builds the next‑generation web experience for billions of readers. The Senior Frontend Engineer leads major modernization workstreams, ships production‑critical code, and defines reusable patterns for micro‑frontend migration.

Ads Platform Frontend team at Microsoft builds the advertising delivery infrastructure and user‑facing experiences. The Senior Software Engineer designs, develops, and ships frontend features from concept through release, collaborates with PMs, UX designers, and partners, and integrates AI‑powered tools to improve efficiency and product quality.

Product Engineering team at TikTok builds an innovative, secure, and intuitive e-commerce ecosystem for the TikTok app. The Senior iOS Software Engineer develops and maintains the e-commerce module, collaborates with product, design, and backend teams, and architects scalable solutions while optimizing performance.

Ads Platform Frontend team at Microsoft builds advertising delivery interfaces. The Senior Software Engineer designs and develops frontend features, integrates AI-powered tools, builds metrics, and collaborates with PMs and UX designers.