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US

  • Leverage React and Typescript to craft clean, beautiful, maintainable, extensible, and secure code.
  • Refactor and modernize our codebases to increase maintainability, performance, and rapid iteration.
  • Drive innovative problem-solving on challenging engineering problems, including reusable and responsive UI components, app global state management, validations and error handling, theme management, rendering performance, and JS bundle optimizations.

Javascript TypeScript React CSS API Design

20 jobs similar to Senior Front End Engineer

Jobs ranked by similarity.

$20–$25/hr
Global

  • Develop and maintain scalable front-end components using React and TypeScript.
  • Collaborate with cross-functional teams to translate business requirements into elegant UI solutions.
  • Optimize performance and responsiveness across devices and browsers.

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Global

  • Build features and define how they are built, taking ownership of major technical components.
  • Partner with Product Managers to co-author requirements and shape scope, ensuring engineering feasibility.
  • Mentor junior and mid-level engineers, instilling quality-first habits within the team.

Sensor Tower provides insights into the digital marketing landscape. They foster a fast-paced startup mindset, focusing on architecting high-visibility, rapid-release products.

Europe

  • Design and develop the user interface of the application in React and TypeScript.
  • Implement and optimize state management (Redux, Context API, local state).
  • Develop and maintain unit and integration tests (Jest, React Testing Library).

HELPLINE specializes in user support outsourcing and the implementation of an augmented employee experience powered by AI, where human expertise and technology mutually enhance each other. With 2,500 employees serving over 200 clients, they operate in France and worldwide, projecting a turnover of €200M+ in 2025.

Global 5w PTO

  • Design and implement high-quality features in React + TypeScript using Atlassian Forge platform.
  • Collaborate with product managers and designers to create intuitive, scalable frontend experiences for Jira Cloud.
  • Write clean, maintainable, well-tested code and participate actively in code reviews.

Appfire provides software that empowers teams to break silos and collaborate seamlessly. They have 850+ employees (who they call fireflies) across 28 countries and foster an environment where everyone is respected.

$100,000–$115,000/yr
US

  • Develop, maintain, and optimize scalable front-end applications using React
  • Translate product and design requirements into high-quality, responsive UI components
  • Collaborate with cross-functional teams (Product, Design, Backend, QA) to define and deliver new features

Impiricus is an AI-powered HCP Engagement Engine transforming how life sciences companies support physicians. They ethically connect HCPs to pharma resources and reduce go-to-market costs. Named the #1 fastest growing company in North America, Impiricus fosters a culture of innovation and impact.

$89,789–$114,034/yr
Canada

  • Build & Ship Frontend Features: Design, develop, and maintain responsive, user-friendly frontend components using TypeScript/React.
  • Create High-Quality Frontend Experiences: Implement reusable, accessible, and performant UI components in React.
  • Drive User Experience: Collaborate with product and design to deliver intuitive user experiences.

Procurify is an AI-enhanced procurement and AP automation platform for mid-market organizations. They empower organizations to take control of spend and save money. Procurify is a remote-first company with a big heart and a strong ambition to modernize the way organizations manage business spend.

Europe

  • Design, develop, and maintain high-performance front-end applications using React and TypeScript.
  • Ensure a seamless and intuitive user experience by implementing best-in-class UI/UX practices.
  • Write well-structured, reusable, and testable code and maintain unit tests for front-end components and screens

Remote People builds the infrastructure to power borderless teams. Their technology handles global payroll, benefits, taxes, and compliance, enabling businesses to hire anyone anywhere compliantly at the push of a button. They are committed to building a global, diverse team representing different and varied backgrounds, perspectives, and experiences.

$102,200–$124,100/yr
Global 4w PTO

  • Building new frontend components and maintaining existing ones using modern AI tools.
  • Converting wireframes into fully functioning app features and enhancing the user experience.
  • Optimizing the web app for speed and scalability, while ensuring cross-browser compatibility.

Ignition is the leading revenue generation platform for accounting and professional services businesses, aiming to spark greater efficiency and profitability. They empower 7,250+ businesses to reach their full revenue potential with a global workforce spanning Australia, Canada, New Zealand, the Philippines, US and the UK.

US

  • Be instrumental in building the foundational capabilities that power Calendly’s product ecosystem.
  • Define and evolve Calendly's shared React architecture, package ecosystem, and developer experience.
  • Contribute to engineering standards, strengthen the reliability of the frontend infrastructure, and build resilient tooling.

Calendly provides a platform that millions of people rely on for scheduling. They are in a period of exciting product growth and offer opportunities to learn and grow alongside talented colleagues.

$118,000–$197,000/yr
US Canada

  • Write performant and accessible User Interfaces that power the Webflow visual design experience
  • Work on technologies such as React,js, Javascript/Typescript, HTML, and CSS
  • Contribute to building and executing on functional strategy

Webflow is building the world’s leading AI-native Digital Experience Platform as a remote-first company built on trust, transparency, and creativity. They empower teams to design, launch, and optimize for the web without barriers.

Global

  • Build and evolve internal Control-Center experiences for platform configuration, governance, and operational control.
  • Own and enhance key internal workflows such as dual approval, ensuring security, intuitiveness, and scalability.
  • Design and implement frontend solutions using React, microfrontends, TypeScript, and modern CSS practices.

Pismo, founded in 2016, provides a comprehensive processing platform for banking, card issuing, and financial market infrastructure, helping customers innovate and build the next generation of banking and payment solutions. With over 500 employees across 10+ countries, Pismo joined Visa in 2024 and leverages Visa’s solutions to address technological challenges for large banks, marketplaces, and fintech companies.

$104,000–$166,000/yr
US

  • Design and implement React-based user interfaces and reusable component libraries
  • Implement dynamic forms, validation logic, and workflow-driven UI behavior
  • Integrate front-end components with .NET APIs and backend services

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, they deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.

$130,000–$160,000/yr
US Unlimited PTO 12w maternity 4w paternity

  • Own frontend architecture and quality for all AI features.
  • Align AI frontend implementation with wider application standards.
  • Provide strong technical direction and mentorship to frontend contributors.

Vanilla is an AI-powered estate advisory platform transforming how wealth is transferred across generations. Their team brings together diverse subject matter expertise across estate planning, wealth management, and scaling SaaS startups across the U.S.

$155,000–$185,000/yr
US

  • Drive the architecture, design, and implementation of new features, leveraging Typescript and Python.
  • Lead strategic architectural decisions, help drive alignment, and optimize applications for performance, scalability, and accessibility.
  • Engineer dynamic, responsive user interfaces that combine intuitive, user-centric interactions with polished design for enterprise customers.

RapidSOS is the leading public safety AI company, unlocking mission-critical intelligence for first responders and security teams. They have a mission-driven, ambitious, and inclusive team with a culture where people can innovate, collaborate, grow, and make an impact.

$200,000–$265,000/yr
US Unlimited PTO

  • Lead complex frontend initiatives, partnering with multiple teams to deliver experiences used by millions.
  • Provide technical leadership by shaping architecture and helping engineers execute effectively.
  • Improve performance, reliability, and maintainability across Medium’s web platform.

Medium is building the best place for reading and writing on the internet, where thoughtful ideas can find an audience and writers are rewarded for depth. It is a fully remote company with teammates across the U.S. and France, guided by principles like Humans First and Deepen Understanding.

US

  • Architect and own front-end systems, establishing patterns and component libraries.
  • Implement high-quality, performant code that is clear, concise, and well-tested.
  • Mentor other engineers on the team within front-end specialization.

Anchorage Digital is building the world’s most advanced digital asset platform for institutions to participate in crypto, offering custody, staking, trading, and settlement services. The company has over 600 employees and is funded by leading institutions including Andreessen Horowitz and Goldman Sachs.

  • Own and contribute to key product areas, driving projects from inception to deployment.
  • Gain deep knowledge of our frontend stack (React, TypeScript, Tailwind) and collaborate with our back-end team using Java Springboot.
  • Write clean, scalable, and maintainable code, ensuring it meets quality standards through rigorous testing and documentation.

Archy is transforming the way dental practices operate by providing a vertical SaaS solution. Professionals deserve software that allows them to focus on their craft without being bogged down by clunky, outdated systems.

US Unlimited PTO

  • Lead and execute projects with multiple stakeholders to build collaborative platform features used across Vanta's product
  • Design and build high-quality, reusable APIs and UI components that other engineering teams easily adopt
  • Partner with product, design, and engineering teams to understand requirements and deliver cross-cutting features

Vanta's mission is to help businesses earn and prove trust through continuous security monitoring and verification, empowering them to practice better security with ease. They have a kind and talented team, with many successful members even without prior security experience, and were founded in 2018.

Global

  • Develop and maintain frontend applications using React and Next.js
  • Write clean, well-structured, and type-safe code using TypeScript
  • Implement responsive and accessible user interfaces with MUI (Material UI)

Zühlke, founded in Switzerland in 1968, is a global transformation partner with engineering and innovation in its DNA. They specialize in tech strategy and business innovation, digital solutions, and device and systems engineering, with multidisciplinary teams across Europe and Asia.

Europe

  • Architect & Own: Take complete ownership of designing and building our modern front-end stack from the ground up using TypeScript and React (e.g., Next.js).
  • Flawless User Experience: Build responsive, accessible UIs capable of handling complex data and real-time interactions without dropping a frame.
  • Performance-First Mindset: Write exceptionally clean, consistent code. Advanced state management, optimized bundle sizes, and fast load times.

Deepslate is building Speech to Speech Voice AI models that sound and act indistinguishable from a human, believing everyone should be able to use it. Backed by top-tier investors from the Tech and AI sectors, as well as a major German VC fund, they are incredibly well-funded and moving fast.