Top Senior Front End Developer Jobs in San Antonio, TX

Lead front-end architecture and build high-performance React/TypeScript web applications, integrating with back-end APIs, ensuring type safety, testing, CI/CD, scalability, and UX for AI-driven orchestration workflows.

Senior front-end developer role requiring extensive UI/frontend development experience building responsive, cross-browser web apps. Work with JavaScript/TypeScript, HTML5/CSS3/SCSS, RESTful APIs, AG Grid, GraphQL, and integrate front-end components with backend services. Use front-end build tools and Git, apply UI/UX best practices, unit testing, and design patterns to deliver highly interactive, scalable, resilient, low-latency applications. React exposure preferred.

Build high-performance, real-time Angular frontends for AI-driven agent interfaces. Implement SSE/WebSockets streaming, complex state management with Signals/NgRx, visualizations of agent chain-of-thought, human-in-the-loop controls, performance optimizations, and collaborate with backend/AI engineers on API schemas.

Lead front-end development with Angular (v10+), building reusable components and integrating Angular apps with AEM (headless, content fragments, Sling Models). Collaborate with designers and back-end teams, ensure performance, accessibility, and SEO, participate in design discussions and code reviews, and maintain testing and CI/CD practices.

Lead QA for API testing: design and execute RESTful API test cases (payment initiation/status), develop and maintain Pytest automation in Python, use Postman and Git, integrate tests into CI/CD, document results, identify and track defects, and collaborate with development and product teams to resolve issues.

Design, build, and optimize responsive React-based user interfaces. Translate designs into reusable components, integrate with RESTful APIs, ensure cross-browser performance, participate in code reviews, deploy/manage front-end apps on GCP, and troubleshoot front-end issues to deliver scalable, high-quality web applications.

Design and develop scalable, secure, and accessible front-end components for Adobe Experience Manager. Translate regulatory and business requirements into responsive, WCAG-compliant experiences using HTL, JavaScript (ES6+), CSS/SASS, and Angular. Customize and extend AEM Core Components for multi-site, multilingual delivery. Collaborate with designers, back-end engineers, compliance, and product owners. Lead standards, conduct code reviews, mentor junior developers, and ensure financial industry security and accessibility compliance.

Build high-performance, real-time Angular UIs for AI-driven agent workflows. Implement SSE/WebSocket streaming, complex state management (Signals/NgRx), observability dashboards, HITL controls, performance optimizations, and collaborate on API/JSON schema design with backend and AI engineers.

Design and implement high-performance Angular frontends for AI-driven interfaces: real-time SSE/WebSocket streaming, complex state with Signals/NgRx, Chain-of-Thought visualizations, human-in-the-loop controls, performance optimization, API schema collaboration, and testing.

Build and integrate reusable React.js UI components from wireframes, optimize front-end performance and responsiveness, ensure cross-browser compatibility, validate inputs, consume REST APIs, write tests, document code, and collaborate with designers and backend engineers to deliver accessible, secure, and scalable front-end applications.

Own frontend architecture and platform for a unified web console. Build identity-adjacent systems (auth, sessions, CORS/CSRF protections), shared infra and tooling, testing strategies, and enable other teams to ship reliable UIs. Collaborate across design, growth, and infrastructure; participate in on-call rotation.

Lead end-to-end implementation of high-fidelity, performant, and accessible frontend features for a realtime collaborative visual canvas. Translate designs into polished interactions, optimize performance and accessibility, collaborate with PMs, designers, and backend engineers, and shape frontend best practices and design systems.

Lead the frontend of a large healthcare application using TypeScript and React. Guide architecture, conduct code reviews, enforce test-first practices, and embed WCAG/Section 508 accessibility. Integrate AI coding assistants, collaborate on RESTful API integration with backend teams, mentor engineers, and participate in Agile planning and release readiness for a customer-facing product serving millions.

Lead frontend architecture and technical strategy for a collaborative work platform. Build scalable React/TypeScript applications, design systems, real-time collaboration (sync, offline, serialization), optimize performance and observability, mentor engineers, and collaborate with Product, Design, and Backend teams to deliver high-quality, maintainable user experiences.

Lead frontend platform architecture across web and mobile: design and evolve design systems, component libraries, build tooling, accessibility, internationalization, and developer experience. Partner with backend teams on GraphQL/Python, maintain security and compliance, mentor engineers, drive cross-team initiatives, and deliver scalable, high-quality frontend foundations used by multiple product teams.

Lead technical direction and contribute to the frontend codebase, building user-facing tools and mentoring team engineers to enhance user experiences.

Develop and maintain web application user interfaces using Vaadin and front-end technologies. Apply UI fundamentals (including Fitts' law), refactor enterprise applications, collaborate with clients, and mentor/train other front-end developers.

Build and maintain responsive, high-performance user-facing React/Next.js applications for privacy-focused web3 products. Collaborate with backend engineers, identify and fix performance bottlenecks, participate across the product lifecycle, write tested production-quality code, and iterate quickly on UX and developer-facing frameworks.

Build and maintain the company website, client-facing portal, and internal web apps. Design and structure web pages, implement UI enhancements, optimize performance and scalability, collaborate with backend engineers (Go), ensure brand-consistent design, and mentor teammates to drive product excellence.

Founding-team senior engineer to architect and build core platform components. Work with CEO/CTO to develop scalable distributed backend systems and frontend using React, Node.js and TypeScript. Implement solid coding practices, testing, CI/CD, and agile workflows while iterating rapidly in an early-stage fintech startup.

Own and evolve the front-end architecture for a high-throughput, real-time trading app using Next.js, React, and TypeScript. Build pixel-accurate, accessible, responsive UIs under strict performance budgets; optimize rendering, state management, data flow, and bundle size for sub-second interactions. Integrate with REST and WebSocket APIs, lead end-to-end feature development, set engineering standards, mentor engineers, and contribute across the stack when needed.

As a Senior Frontend Software Engineer, you'll lead the development of major features using React and TypeScript, ensuring performance and integration with backend systems. You'll also manage releases, improve team efficiency, and contribute to a customer-centric product experience.

Early-stage frontend-focused product engineer to own web and mobile experiences (React, React Native, Expo). Design conversational AI-native interfaces for financial planning, build in TypeScript across stack, define frontend architecture and component system, use agentic engineering tools, contribute to multi-model AI orchestration, and iterate quickly with founders and users.

As a Senior Frontend Engineer, you'll build and maintain a fraud prevention platform UI using ReactJS, collaborating with backend teams and ensuring code quality through tests and CI/CD processes.

Design and implement developer-facing UI from Figma to production using Hotwire (Turbo + Stimulus) and ViewComponents. Own the dashboard, API playgrounds, docs, marketing site, and data visualization. Optimize performance and bundle size, maintain a coherent component system, and ship polished, production-ready front-end with tests and CI/CD.