Source Job

Global

  • Act as technical anchor for front-end team, combining hands-on development with technical leadership.
  • Provide senior hands-on front-end engineering support and guide UI/front-end implementation decisions.
  • Collaborate with client stakeholders and mentor team members to drive high-quality engineering standards.

JavaScript TypeScript

20 jobs similar to Senior UI Developer / Front-End Lead

Jobs ranked by similarity.

Europe 6w PTO

  • Lead and mentor a team of Frontend developers in the Marketing Tech and Social domain.
  • Drive high-level architecture and design decisions for complex software systems.
  • Maintain a hands-on coding role alongside line management responsibilities.

Sporty Group is a remote-first company in pursuit of sustainability. They offer a competitive salary, quarterly performance bonuses, and annual company retreats.

UK 6w PTO

  • Lead a talented frontend engineering team responsible for building high-performance digital experiences in a large-scale MarTech environment.
  • Drive architectural decisions, guide major platform migrations, and ensure delivery of scalable, high-quality applications.
  • Mentor and grow the team while promoting engineering best practices and collaborating with cross-functional stakeholders.

The company operates in the marketing technology (MarTech) industry. It fosters a supportive culture focused on innovation, collaboration, and continuous learning.

US Unlimited PTO

  • Own and evolve the frontend platform strategy including shared architecture, design systems, and developer tooling.
  • Lead major platform initiatives such as framework upgrades, mobile modernization, and technical migrations.
  • Improve developer experience through reusable tools, templates, automation, and workflows that increase engineering productivity.

Jobgether uses an AI-powered matching process to connect candidates with hiring companies. They operate as a technology-focused platform with a mission-driven culture centered on innovation and collaboration.

North America

  • Strengthen frontend foundations built on React, TypeScript, and Vite infrastructure.
  • Improve developer efficiency through automation, static analysis, and LLM tools.
  • Optimize testing platform and CI/CD pipelines for fast feedback and stable deploys.

Mercury is a fintech company that provides banking services through partner banks. The company is growing rapidly and values diversity, belonging, and equal opportunity.

  • Build intuitive front-end interfaces and design seamless UX flows.
  • Implement application logic and integrate APIs, supporting backend needs.
  • Contribute to web application delivery with strong problem-solving skills.

Software Mind develops impactful solutions for global companies, working with tech giants and unicorns on transformative projects. The culture embraces openness, respect, and growth, with cross-functional teams that combine employment with enjoyment.

Germany

  • Design and evolve the component library and platform architecture to enable high-quality frontend development across teams.
  • Provide test infrastructure, conduct code reviews, and ensure quality in an AI-enhanced development environment.
  • Build AI resources and skills around the design system, enabling teams to autonomously solve frontend tasks.

Lexware develops business software for self-employed individuals and small companies, holding market leadership in Germany with over 600,000 customers. As part of the Haufe Group, a multi-award-winning digital transformation pioneer, it values diversity and is a certified Great Place to Work.

$170,000–$230,000/yr
US Unlimited PTO

  • Lead the architecture, design, and delivery of large scale frontend applications across web and mobile.
  • Build and evolve high performance React and React Native applications.
  • Define and enforce frontend best practices, including performance optimization, accessibility, and maintainability.

Vetcove modernizes veterinary software and the pet parent healthcare experience with a marketplace, ecommerce, and practice management system. Backed by Y Combinator and top venture investors, the company is a fast-growing, mission-driven team serving over 25,000 hospitals across the US.

Global

  • Build new product features using React, TypeScript, and the TanStack ecosystem.
  • Develop reusable, accessible UI components using a shared design system.
  • Improve application performance through code splitting, rendering optimisation, and modern React best practices.

Serverless Guru LLC is a technology company that builds modern, scalable web applications using cloud-native technologies. The company emphasizes engineering excellence, maintainability, and collaborative cross-functional teams.

UK Unlimited PTO

  • Take ownership of crafting intuitive, secure, and high-performance user experiences for mission-critical financial products.
  • Lead frontend architecture decisions and contribute to scalable design systems and reusable UI components.
  • Collaborate closely with product, design, and engineering teams to deliver features from concept to production.

Our partner is building next-generation financial applications powered by modern web technologies and blockchain infrastructure. They operate with a high-autonomy, mission-driven culture and offer a fully remote environment with a focus on innovation and collaboration.

$190,800–$267,100/yr
United States

  • Own the technical design and delivery of complex frontend features across Ads Manager's creative and recommendation workflows.
  • Partner with product and design to work through ambiguous requirements and make sound product and engineering tradeoffs.
  • Raise the quality of the codebase through thoughtful architecture, testing, observability, performance work, and accessibility.

Reddit is a community of communities built on shared interests, passion, and trust. With 100,000+ active communities and approximately 126 million daily active unique visitors, Reddit is one of the internet's largest sources of information.

$100,000–$130,000/yr
Canada

  • Collaborate with product managers, designers, and backend engineers to build scalable, high-performance frontend applications.
  • Own features end-to-end from requirement refinement to delivery, ensuring cross-browser compatibility and accessibility.
  • Advocate for engineering best practices, including CI/CD workflows, automated testing, and operational excellence.

Xsolla is a global commerce company that provides tools and services to help video game developers solve industry challenges. Headquartered in Los Angeles, the company has helped over 1,500 game developers worldwide and fosters a collaborative, inclusive culture.

Brazil

  • Develop and maintain scalable, high-performance frontend applications using React and Next.js.
  • Collaborate with Product, Design, and Backend teams to deliver seamless and user-friendly experiences.
  • Integrate APIs and backend services into frontend applications and ensure responsive design and accessibility.

Sigma Software is a software engineering company that partners with global clients to deliver innovative projects at the intersection of FinTech and AI. The company values engineering excellence, collaboration, and continuous growth in a supportive international environment.

Canada 4w PTO

  • Partner with Product, Design, and Engineering to define and deliver new AI Receptionist capabilities.
  • Design and build modern, responsive web applications using React and TypeScript.
  • Optimize application performance, accessibility, and reliability across enterprise-scale deployments.

Cresta unlocks the true potential of customer experience by turning every conversation into a competitive advantage. Born from the Stanford AI Lab, Cresta has raised over $270 million from leading investors including a16z, Greylock, and Sequoia.

US

  • Define front-end architecture and technical strategy for complex UI systems using React, Angular, Next.js, TypeScript.
  • Lead back-end development and API architecture, integrating systems with Node.js, Python, PostgreSQL, MongoDB.
  • Drive monitoring, observability, and reliability practices while mentoring engineers and setting engineering standards.

Robots & Pencils is an applied AI engineering firm building AI co-workers for enterprise operations. Founded in 2009 with delivery centers globally, we are a smaller, faster, senior team averaging 15+ years of experience, known for being a nimble alternative to traditional systems integrators.

US

  • Own the end-to-end front-end experience for an enterprise-scale Agentic AI platform.
  • Design intuitive interfaces that transform complex AI reasoning into experiences engineers trust.
  • Build and maintain conversational interfaces, embedded AI assistants, and review workflows using React, TypeScript, and modern front-end technologies.

LTS builds AI-native engineering platforms to modernize legacy systems, particularly healthcare systems serving Veterans. The engineering team is intentionally small, fostering significant ownership and influence over product direction.

US Unlimited PTO

  • Shape and ship the agentic-workflow product surface in Prefect Cloud, including execution plans and human-in-the-loop gates.
  • Own user-facing features end-to-end across the stack with a front-end focus.
  • Partner with customers and GTM to turn field signal into working software with fast feedback loops.

Prefect builds and operates resilient, Pythonic orchestration and MCP platforms used for mission-critical workloads by Fortune 500 companies and fast-growing startups. The remote-first team fosters a supportive, high-performance culture that empowers every member to do their best work.

Europe US 6w PTO

  • Design and evolve the frontend platform foundations powering n8n's workflow-building experience across cloud and self-hosted deployments.
  • Own core platform domains including canvas, real-time collaboration, and performance optimization for complex interactive workflows.
  • Drive technical decisions through RFCs, mentor peers, and collaborate with product engineers, QA, and the open-source community.

n8n is an open-source workflow orchestration platform built for AI, enabling technical teams to automate with code-like freedom and no-code speed. Backed by top investors and a community of over 650,000 developers, our team of 260+ works remotely across Europe and the US, united by a builder spirit and headquartered in Berlin.

UK 6w PTO

  • Drive the technical direction of the frontend application stack.
  • Work hands-on with TypeScript and Rust to build real-time trading interfaces.
  • Own code quality and team development through review and mentorship.

Reactive Markets is a leading provider of over-the-counter trading platforms for FX, Equities, and Cryptocurrency, handling over $50 billion in daily trading volumes. The company has a small, senior engineering team focused on building cutting-edge, high-performance trading systems.

$109,500–$146,000/yr
Canada

  • Build mobile-responsive user interfaces with React and TypeScript, shipping high-quality code from day one.
  • Own frontend architecture decisions, including component design, state management, and performance optimization.
  • Set frontend engineering standards and mentor other engineers on best practices, code quality, and reusable component design.

Hiive is redefining how private companies and their shareholders access liquidity. Recognized as one of Canada's fastest-growing companies and backed by leading U.S. investors, Hiive is profitable and building a high-performance team.

US

  • Lead frontend and fullstack implementation workstreams for carrier and enterprise partner integrations, owning architecture and delivery from kickoff through production.
  • Architect scalable UI layers and API integrations, setting reusable patterns for partner-facing surfaces across implementations.
  • Champion engineering excellence through comprehensive testing strategies, security-first thinking, and AI coding tool best practices.

Bestow is a leading vertical technology platform that modernizes life insurance by unifying the legacy value chain for carriers. Backed by investors like Goldman Sachs and trusted by major insurers, Bestow is powered by a team that moves with precision, purpose, and heart.