Top Senior Front End Developer Jobs

Build and scale front-end experiences for Alteryx AI products using React, TypeScript, and micro frontend architecture. Develop reusable UI components, integrate backend services and AI workflows, improve accessibility, performance, testing, and reliability, and guide technical direction. Collaborate across Product, Design, Backend, and Platform teams while mentoring engineers and driving modernization, architecture, and developer experience improvements.

Develop and customize front-end web applications for an enterprise Navy intelligence production and dissemination system. Support web framework design, workflow troubleshooting, customer branding, data analytics, connectivity issues, technical documentation, and standard operating procedures. Collaborate with developers, stakeholders, and senior officials to support modernized backend systems and effective intelligence dissemination.

Develop and optimize customer-facing email and direct mail communications using HTML, CSS, and AEM. Evaluate technical issues, build custom communications, advise marketing stakeholders, test and troubleshoot deliverables, coordinate estimates and timelines, improve AEM authoring processes, and mentor junior developers. The role requires strong technical leadership, email development experience, AEM components knowledge, project management tools, and collaboration across development, QA, marketing, and operations teams.

Develop and maintain React-based command-and-control web applications for complex defense projects. Responsibilities include gathering operator feedback, prototyping features, building reusable component libraries, writing accessible and performant code, participating in the full agile software development lifecycle, conducting code reviews, testing, deployment, and collaborating with cross-functional teams and customers.

Leads the design and development of complex frontend systems and product features using Angular and React. Architects scalable frontend patterns, improves performance and engineering velocity, drives testing and code-quality practices, and leads major technical initiatives. Partners cross-functionally with backend, product, design, integrations, and QA; makes technical decisions, mentors engineers, and advances frontend architecture and collaboration across teams.

Build and improve ClickUp’s core product experiences using Angular and React. Responsibilities include architecting reusable frontend code, collaborating with product, design, backend, integrations, and QA teams, improving performance and usability, maintaining unit and integration tests, resolving complex bugs, following state-management patterns, and mentoring teammates in a fast-paced environment.

Build and maintain frontend components for Ether.fi’s consumer DeFi products. Collaborate with designers to translate Figma designs into polished user experiences, develop client-side transaction and fund-management integrations, ship high-quality code, uphold frontend security practices, and contribute to refactoring and engineering excellence.

Own the frontend for Sauna, building fast, polished interfaces for complex AI-powered workflows. Make product and UX decisions, prototype and ship independently, develop reusable React components, optimize state management and performance, and own full-stack features across database, backend, and frontend layers. Bonus experience includes multiplayer collaboration, LLM interfaces, local-first architectures, and design.

Build and evolve scalable, performant, accessible frontend features for high-traffic commerce platforms. Responsibilities include designing reusable components, integrating backend and commerce services, contributing to frontend architecture, automated testing, code reviews, deployments, monitoring, troubleshooting, incident response, documentation, and reliability improvements. Collaborate with product, design, backend, and leadership teams while sharing best practices and mentoring engineers.

Design and build scalable, performant frontend systems and mobile apps using React, TypeScript, and React Native. Integrate with GraphQL and real-time streams, lead code reviews, mentor engineers, collaborate with product and design, and optimize performance for mobile and variable network conditions in healthcare contexts.

Develop and test modern front-end features for a global-scale networking situational awareness and command-and-control platform. Collaborate with users, designers, program managers, and testers to create responsive, modular, event-driven interfaces. Design solutions from broad requirements, handle edge cases, participate in code reviews, prototype technologies, and deliver dependable, reusable software. Some back-end development using gRPC may be involved.

Lead development of an enterprise Sales Command Center web application using React and TypeScript. Build reusable frontend architecture, role-based workspaces, secure authentication, accessible and performant user experiences, API integrations, telemetry, analytics, and automated testing. Collaborate with iOS engineers on shared patterns and contracts, integrate with Microsoft Entra ID and backend services, and participate in client-facing engineering discussions.

Build scalable, customer-facing web applications and dashboards for AI agent observability, metrics, token usage, budgeting, alerting, and runtime controls. Develop reusable frontend components, integrate backend APIs, create automated tests, troubleshoot production issues, and participate in architecture discussions and code reviews. Collaborate with backend engineers, AI researchers, product managers, UX designers, and QA engineers to deliver reliable enterprise experiences.

Develop and maintain enterprise-grade full-stack web and cloud applications, primarily using Angular and Java. Build high-performance solutions, integrate RESTful APIs, write clean code, and collaborate with product owners, analysts, designers, DevOps, and QA. Work across Agile and waterfall lifecycles, manage multiple projects, and operate with limited supervision in high-volume environments. The role requires hybrid availability in downtown Indianapolis one or two days weekly.

Lead frontend development across web and mobile experiences, architecting reusable components, design systems, responsive interfaces, and core user flows. Optimize performance, accessibility, rendering, and conversion while integrating REST and real-time APIs. Collaborate with backend, product, and design teams in two-week sprints, contributing to architecture, testing, monitoring, CI/CD, code reviews, and continuous delivery.

Build and scale data-dense frontend interfaces that help compensation teams benchmark roles, price jobs, and make pay decisions. The role owns technical strategy and delivery outcomes, emphasizing performance, accessibility, interaction quality, reusable systems, and thoughtful prioritization. It also involves mentoring engineers, clarifying ambiguous problems, and contributing effectively in a fast-paced environment.

Design, implement, and operate front-end web UI features for Microsoft Advertising. Collaborate with PMs and designers, build metrics, integrate AI capabilities, improve developer productivity, and drive high-quality, scalable solutions from concept to production.

Build and evolve Handshake’s frontend platform, including reusable TypeScript and React components, design systems, accessibility capabilities, developer tooling, CI/CD infrastructure, and AI-enabled workflows. Partner across engineering, design, and product to establish scalable standards, lead technical initiatives, improve developer experience, and drive adoption of shared frontend solutions.

Lead frontend development for a satellite-data monitoring application serving defense and intelligence customers. Design and implement React and TypeScript features, guide frontend architecture, contribute to backend APIs, mentor engineers through reviews and technical discussions, and collaborate with product managers and designers. Own feature delivery from discovery through deployment while improving state management, data fetching, component design, testing, and frontend best practices.

Develop and maintain scalable, high-performance front-end applications using microservices architecture. Build reusable UI components, integrate with backend services, optimize performance, ensure accessibility, debug defects, and deploy applications within AWS environments. Collaborate with technical and nontechnical stakeholders, translate requirements into solutions, improve development standards, and lead agile projects supporting government activities.

Lead ownership of Belfry's React Native/Expo mobile app and React web platform; establish frontend best practices, design systems, observability, and performance standards; contribute across the full stack (APIs, backend, integrations); deploy and scale production systems; mentor engineers and promote AI-assisted development workflows.

Build and improve Belfry’s React Native and Expo mobile application and React web platform for field officers and back-office teams. Establish UI best practices, observability, and design systems; contribute to APIs, backend services, integrations, and infrastructure as needed. Help adopt AI-powered coding tools, take ownership of product initiatives, communicate technical and product ideas, and mentor engineers.

Build production React and TypeScript applications for an AI-powered hardware development platform. Develop shared component libraries, design systems, structured engineering-data interfaces, AI agent experiences, dashboards, and real-time project visibility. Write unit and end-to-end tests, integrate APIs and client SDKs, contribute to frontend architecture, conduct code reviews, and help establish engineering best practices while working closely with product and backend teams.

This role involves leading web platform initiatives, mentoring senior engineers, architecting web applications, and implementing technical strategies for improved performance.

Architect and build a high-performance, low-latency trading web platform. Integrate real-time market data and execution workflows, collaborate cross-functionally on large initiatives, and deliver scalable, performant, user-focused frontend applications with strong attention to API design, tooling, and developer experience.