Source Job

$80,000–$125,000/yr
US Unlimited PTO

  • Own the long-term technical direction of Roo's frontend platform, including systems, tooling, and architecture across web and mobile.
  • Partner with Product and Design to evolve the design system as a foundational platform through integrations, documentation, and developer workflows.
  • Lead platform initiatives like framework upgrades, React Native modernization, and shared library evolution to increase engineering velocity.

React TypeScript React Native AI-assisted Development Design Systems

20 jobs similar to Senior Software Engineer, Frontend Platform

Jobs ranked by similarity.

  • Design, build, and own user-facing features in React and TypeScript, setting the technical direction and quality bar for the frontend.
  • Use AI and agentic development tools like Claude to move quickly and establish best practices for AI-assisted development.
  • Dip into Go for backend services, collaborate with stakeholders, and contribute to product roadmaps.

Sardine is the leading agentic risk platform for fighting financial crime, unifying data to stop fraud and automate operations. With over 6 billion profiled devices, 800 million consumers, and 3 million businesses, Sardine is a rapidly growing company with a remote-first culture that values performance and flexibility.

$100,010–$110,960/yr
Canada Unlimited PTO

  • Build and ship frontend features using TypeScript and React to create responsive, user-friendly components.
  • Drive user experience by collaborating with product and design teams to deliver intuitive interfaces.
  • Champion code quality and strengthen system architecture through clean, testable code and sound design patterns.

Procurify is an AI-enhanced procurement and AP automation platform for mid-market organizations, helping them take control of spend and save money. The company is remote-first with a team of diverse backgrounds, fostering a culture committed to learning and engineering excellence.

US Unlimited PTO

  • Set technical vision and architectural direction for frontend platform across web and mobile.
  • Design and evolve shared foundations including design system, component libraries, and tooling.
  • Drive developer experience improvements and partner with backend engineers to ensure scalable systems.

Modern Health is a mental health benefits platform for employers, offering a full spectrum of well-being resources. Backed by top investors, we are a female-founded, hyper-growth company with a culture of high empathy and accountability, and a fully remote workforce.

Global Unlimited PTO

  • Build polished, performant web UIs using React, TypeScript, and modern CSS.
  • Work across the full stack, building and consuming GraphQL/REST APIs and contributing to Rust services.
  • Partner with design and product to shape features, set technical direction, and mentor engineers.

Ditto is redefining how data moves at the edge with a peer-to-peer sync engine for resilient real-time applications. With over $145 million in funding and trusted by organizations like Chick-fil-A, Delta Airlines, and the U.S. military, Ditto is a globally distributed startup committed to diversity and inclusion.

$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.

US

  • Design, build, and maintain modern web applications with a primary focus on front end development, user experience, and accessibility.
  • Contribute to full stack development using ASP.NET Core MVC, with strong ownership of the presentation layer.
  • Implement and extend React, a11y, Typescript, and Next.js-based applications with clean, maintainable component architecture.

Aquia is a digital services firm specializing in cloud infrastructure, cybersecurity, and compliance automation for the U.S. government. Founded by Veterans, it has generated millions in cost savings and was named the 2024 SDVOSB of the Year.

US Unlimited PTO

  • Build and ship features that drive measurable outcomes for customers and servicing agents.
  • Employ best practices like code reviews, automated testing, and continuous delivery for quality and speed.
  • Collaborate cross-functionally with product managers, backend engineers, and operations leads to shape end-to-end experiences.

OnePay is a consumer fintech platform that brings together banking, savings, credit cards, lending, investing, and crypto. Backed by Walmart and Ribbit Capital, they are a high-growth company with a fast-paced, mission-driven culture.

Romania 5w PTO

  • Own frontend features end-to-end from discovery to maintenance.
  • Collaborate with product managers and designers to shape solutions.
  • Build scalable, high-quality UI components using React and TypeScript.

They build a modern platform for property owners and managers worldwide. The team is international and fast-moving, with a strong focus on collaboration and agile development.

$170,000–$190,000/yr
US Unlimited PTO 21w maternity 12w paternity

  • Drive frontend architecture across the Search team using React, TypeScript, and Node, shaping high-traffic features.
  • Collaborate with backend engineers, product, and design to deliver seamless end-to-end user experiences.
  • Champion best practices, mentor teammates, and solve complex problems in a fast-paced, evolving product.

Flock Safety builds technology that reduces crime and protects privacy, partnering with cities, businesses, schools, and neighborhoods. With over $1B in funding and an $8.3B valuation, the team is high-performance, united by urgency and ownership.

$118,800–$135,000/yr
Portugal 5w PTO

  • Build and deploy AI-driven features using LLMs and recommender systems.
  • Contribute across the stack with React and Python, shipping user-facing code.
  • Work in a fast-paced iterative environment with design and product teams.

Euphoric builds AI-first employee benefits administration software for global employers. They are a fast-paced startup with a small, ambitious team and significant seed funding.

Romania 6w PTO

  • Develop and enhance high-quality frontend features for large-scale web applications using React and TypeScript.
  • Optimize application speed and responsiveness across global markets while refactoring systems for scalability.
  • Collaborate with distributed teams in a fully remote environment to shape frontend architecture and user experience.

Jobgether uses AI-powered matching to connect candidates with job opportunities. The company operates globally and is focused on efficient, fair hiring processes.

United States

  • Design and scale systems to drive provider growth, from acquisition to retention.
  • Lead technical projects from concept to delivery, navigating trade-offs.
  • Mentor engineers and foster a high-performing engineering culture through code reviews.

Rula is a mental health company dedicated to treating the whole person with evidence-based and compassionate care. It is a remote-first company with most employees in the U.S., emphasizing diversity, equity, and inclusion.

$185,000–$260,000/yr
US

  • Set technical direction and architecture for core frontend systems, leading major UI initiatives end to end.
  • Build and evolve core UI systems including the design system, component libraries, and frontend standards.
  • Champion accessibility and bridge UX and engineering to ensure consistent, high-quality interfaces.

SimSpace is an AI Proving Ground where organizations can confidently train, test, and outmaneuver adversaries in any environment, trusted by allied governments, militaries, and enterprises worldwide. Founded in 2015 by experts from U.S. Cyber Command and MIT Lincoln Laboratory, the company fosters a human-centered culture with continuous learning and professional growth.

UK

  • Build modern web applications using React, Next.js, and TypeScript for AI-powered workflows.
  • Develop customer-facing products and internal operational tools with intuitive interfaces.
  • Integrate frontend applications with backend APIs and AI services to deliver automation.

BJAK is building AI-powered automation systems that simplify complex insurance workflows from quotations to claims. They are a global startup with a modern engineering culture focused on collaboration and continuous improvement.

$128,700–$153,400/yr
US 6w PTO

  • Influence: Makes an impact on the whole team, not just on specific parts of it.
  • Technology: Researches, creates proofs of concept, and introduces new technologies.
  • System: Owns the technical design, development, maintenance, and operational responsibilities for one or more projects or products.
  • People: Mentors others to accelerate their career-growth and encourages them to participate.

Bellese is a mission-driven Digital Services Company pioneering innovative technology solutions in civic healthcare. With a focus on service design, the company aims to improve public health outcomes and includes a team dedicated to the QMARS program at CMS.

US Unlimited PTO

  • Build and ship high-quality product experiences across the stack, with attention to speed, reliability, usability, and craft.
  • Design and implement clean frontend systems in React and TypeScript, and develop APIs and backend services.
  • Own problems end to end, from idea formation through technical design, implementation, and long-term maintenance.

Ondo Finance provides institutional-grade, blockchain-enabled investment products and services, with a technology arm developing decentralized finance and an asset management arm creating tokenized funds. Founded by ex-Goldman Sachs team members, the company is fully remote, well-capitalized, and backed by top investors like Founders Fund and Coinbase Ventures.

Global

  • Work closely with Engineering, Product, Design, and other stakeholders to align on project goals, gather and refine requirements, and ensure seamless execution.
  • Lead the design and implementation of robust, scalable, and maintainable frontend architecture using React, evaluating technical approaches and optimizing performance.
  • Drive development of UI components, services integration, and ensure high code quality through best practices, code reviews, testing, and documentation.

Miratech is a global IT services and consulting company that helps visionaries change the world by supporting digital transformation for some of the world's largest enterprises. With over 99% project success rate since 1989, Miratech retains nearly 1000 full-time professionals across 25+ countries and has a culture of Relentless Performance.

Global 6w PTO

  • Develop new website functionality using React and modify existing features.
  • Optimize system speed and design technical solutions.
  • Apply TypeScript, SOLID principles, and FRP while splitting specifications into subtasks and conducting code reviews.

Social Discovery Group (SDG) is a global group of social discovery companies offering social entertainment platforms that connect people across cultures. The international team of 1000+ professionals and digital nomads works remotely from over 20 countries and is a two-time "Great Place to Work" winner (USA & Japan, 2024–2025).

Global

  • Ship fast by fixing bugs, shipping features, and automating recurring requests end-to-end.
  • Work with AI daily, building AI-enabled workflows using tools like Cursor, Claude Code, or Copilot.
  • Partner cross-functionally to translate operational pain points into technical tasks and solve them.

Influur builds AI-powered influencer marketing campaigns with a single prompt. The platform is trusted by Sony Music and Warner Music Group and aims to scale to every founder, marketer, and creator.

Europe 5w PTO

  • Build, scale and evolve the design system component library, design tokens, and documentation for product teams.
  • Extend the design system for AI-assisted development, making components consumable by AI tools via machine-readable interfaces.
  • Write high-quality, performant frontend code (React/TypeScript) and ensure components are accessible to WCAG 2.2 AA standards.

Synthesia is the world's leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017 and headquartered in London, the company has raised over $530 million from premier investors and employs teams across Europe and the US.