Source Job

Canada

  • Partner with Product and Design to define, build, and evolve user experiences using modern frontend technologies.
  • Own and evolve the frontend architecture to ensure scalability, performance, accessibility, and long-term maintainability.
  • Lead the design and implementation of complex frontend systems using React, TypeScript, and Next.js.

React TypeScript Next.js JavaScript Frontend Architecture

20 jobs similar to Senior Front End Engineer

Jobs ranked by similarity.

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.

$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.

$125,000–$177,000/yr
US Canada Unlimited PTO

  • Drive large frontend projects for enterprise account management, third party integrations, and the Censys Platform.
  • Surface new data types and product capabilities through well-architected, accessible UI.
  • Partner closely with Design and Product to clarify requirements, negotiate scope, and maintain quality.

Censys provides real-time Internet intelligence and actionable threat insights to global governments, over 50% of the Fortune 500, and leading threat intelligence providers worldwide. The company is mission-driven, has a global team, and values diversity and inclusion.

US

  • Architect high-performance interfaces that transform complex blockchain and financial data into actionable intelligence.
  • Build streaming, data-heavy dashboards for global regulators and financial institutions, ensuring precision and speed at scale.
  • Work in an asynchronous, remote environment alongside cross-functional teams, solving intricate UI and data-delivery challenges using a modern React/Next.js stack.

Inca Digital is a veteran-owned data and intelligence company specializing in digital-asset analytics for exchanges, financial institutions, regulators, and blockchain ecosystems. We operate as a fast paced, nimble, global, and remote technology company.

$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.

Canada

  • Define the technical direction of the web UI platform across performance, accessibility, consistency, and infrastructure.
  • Lead cross-team frontend initiatives, balancing long-term strategy with hands-on engineering and practical delivery.
  • Establish reusable patterns, standards, and tooling to improve developer velocity and product reliability.

Jobgether uses AI-powered matching to connect candidates with roles. It operates remotely with a focus on objectivity and fairness in hiring.

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.

India

  • Build responsive, accessible interfaces in React / Next.js and TypeScript.
  • Turn designs into clean, reusable, well-structured components and integrate with backend APIs.
  • Review code, including AI-generated code, for quality and consistency while keeping performance and accessibility high.

Monks is the global, digital-first, data-driven unitary operating brand of S4 Capital plc, combining marketing and technology services to redefine brand interactions. The company has been named a Contender in The Forrester Wave and ranks among Cannes Lions' Top 10 Creative Companies, fostering an equal-opportunity culture.

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.

Global

  • Build and ship frontend features across Vue, Angular, and React codebases.
  • Design and implement software solutions in collaboration with product, design, and backend engineering.
  • Take ownership of features end to end: design, build, test, deploy, and monitor in production.

Okendo is a customer marketing platform that helps Shopify brands turn one-time shoppers into repeat customers. Trusted by 16,000+ brands, we value one team, customer championing, excellence, ownership, integrity, and always day one.

US Unlimited PTO

  • Lead front end and full stack initiatives from ambiguous problem statement to shipped, measured outcome, making architecture calls and sequencing work.
  • Partner with product and design to shape the experience, own performance, stability, accessibility, and maintainability at scale.
  • Use AI tooling aggressively as a force multiplier while holding the line on quality, and champion testing, documentation, and workflows.

Grove Collaborative is a sustainability-focused consumer products company creating household and personal care essentials that are effective, beautifully designed, and healthier for people and the planet. As a certified B Corp and plastic-neutral company, we are on a mission to transform the CPG industry for good, with a data-driven engineering culture operating in small, autonomous teams.

US

  • Build and own the JTX client across web and mobile, including real-time trading interfaces and wallet flows.
  • Ship fast, watch real users, and iterate based on feedback while maintaining high performance under streaming data.
  • Make architectural decisions that scale with a growing codebase, team, and user base.

JTX is a trading app running on the fastest market infrastructure on Solana. The company is a small team with product-market fit, emphasizing high ownership, fast execution, and a high quality bar.

India

  • Design and deliver modern, high-performing web applications using React and Next.js.
  • Collaborate with cross-functional teams to transform business requirements into reliable digital products.
  • Drive technical excellence through clean code, performance optimization, testing, and continuous improvement.

Jobgether uses an AI-powered matching process to connect candidates with job opportunities. It operates as a platform that reviews applications and shares shortlists with hiring companies, with a collaborative and agile engineering culture.

Unlimited PTO

  • Design and build user-facing components of services and products using modern web technologies.
  • Collaborate with backend engineers to integrate APIs and ensure seamless alignment.
  • Identify and address performance bottlenecks to enhance user experience.

Provable is a company building zero-knowledge applications for the Shield ecosystem. They are a fast-growing team passionate about privacy and transforming the digital age.

Germany

  • Shape the future of our Retail Media platform by building modern frontend experiences across campaign management and advertiser self-service.
  • Own end-to-end frontend delivery, collaborating with backend engineers to integrate scalable APIs and deliver high-quality user experiences.
  • Develop complex web applications including reporting, asset management, permissions, audience segments, wallet integrations, and CRM metadata.

Redcare Pharmacy is Europe's No.1 e-pharmacy, combining passionate teams with cutting-edge innovation to improve access to health. The company fosters a collaborative, healthy work environment where every employee feels valued and can grow personally and professionally.

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 Canada

  • Structure and design webpages to support business objectives.
  • Build UI enhancements and optimize web pages for speed and scalability.
  • Collaborate with back-end developers and maintain brand consistency.

Zerohash is a B2B embedded infrastructure platform that allows any platform to integrate digital assets into their customer experience. We are a high-growth startup backed by Point72 Ventures, NYCA, Bain Capital, and tastytrade, with a culture emphasizing independence, passion, and collaboration.

Europe

  • Build and improve frontend features for a platform that manages complex infrastructure workflows.
  • Take ownership of features from discovery to delivery, working closely with product and design teams.
  • Use modern frontend technologies like React, TypeScript, and GraphQL to create high-quality user experiences.

The company builds a highly technical platform that helps organizations manage and automate complex infrastructure workflows. It is a remote-first team with a collaborative culture focused on engineering excellence and user impact.

$125,000–$210,000/yr
United States Canada 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 and improve developer experience through shared tooling, automation, and workflows.
  • Lead platform initiatives like framework upgrades, React Native modernization, and migration to a v2 design system.

Roo is a veterinary staffing platform that connects animal healthcare professionals with hospitals for relief work and hiring opportunities. With a network of over 20,000 professionals and 9,000 animal hospitals, Roo has provided over 3 million hours of healthcare and helped veterinarians earn over $200 million.

Global

  • Write well-designed, testable, and scalable code for production.
  • Build customer-facing consumer web and mobile applications for global audiences.
  • Implement third-party integrations and optimize for SEO performance and PageSpeed.

B2Spin is dedicated to delivering the best Free-to-Play Social Casino and gaming experiences by creating captivating, engaging, and unique products accessible to everyone. They have built a global team of talented professionals working to continually improve player experiences.