Source Job

• Collaborate with Product Managers, Designers, and Backend Engineers to design and implement user interfaces.
• Drive the architecture and design of complex frontend systems using modern frameworks and libraries.
• Optimize application performance and loading times, focusing on frontend efficiency and user satisfaction.

Natera is a global leader in cell-free DNA (cfDNA) testing, dedicated to oncology, women’s health, and organ health.

• Collaborate closely with the frontend engineers to define and implement our frontend strategy.
• Take shared ownership of our library architecture, ensuring performance, scalability, and reliability.
• Build and maintain high-quality library components using React, TypeScript, and JavaScript.

Embeddable is an end-to-end developer platform for building seamless, lightning-fast customer-facing analytics directly into your product. The company launched in December 2023, received a €6m seed funding round in December 2024, and is currently a 20+ person team that has plans to scale significantly.

Develop user-focused interfaces for an AI-powered platform. Translate UI/UX designs into clean, scalable implementations using React and TypeScript. Collaborate with designers and product managers to refine requirements and user flows.

• Own the user experience for all file interactions.
• Architect scalable frontend systems for file management.
• Eliminate latency and ensure reliable content delivery.

ClickUp is building the first truly converged AI workspace, unifying tasks, docs, chat, calendar, and enterprise search.

• Lead the design and development of user interfaces that drive data insights.
• Build reusable, scalable frontend components and systems using modern frameworks and tooling.
• Drive architectural discussions and make technical decisions that ensure code quality and performance.

Attentive is the AI marketing platform for 1:1 personalization redefining the way brands and people connect.

• Collaborate closely with product and design to build user-facing features at scale.
• Support and unblock peers through async reviews, pairing, and mentorship.
• Drive frontend best practices through deliverables, demos, and documentation.

Onebrief is collaboration and AI-powered workflow software designed specifically for military staffs. By transforming this work, Onebrief makes the staff superhuman.

• Lead the design and development of React + TypeScript interfaces.
• Collaborate with UX and Product to iterate rapidly on incomplete designs and flows.
• Build and maintain component libraries, reusable UI patterns, and scalable front-end architecture.

Mobile Wave Solutions is a professional services company specializing in software development as a service.

Evolve Aircall's frontend architecture into a true platform. Design the architecture that makes collaboration seamless, safe, and performant. Act as an enabler for the entire engineering organization, setting the standards for how frontend code is written, shared, and deployed at Aircall.

Aircall is a unicorn AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, faster resolutions, and scale.

• Design and implement frontend solutions using React and TypeScript
• Work with GraphQL (Apollo Client) and REST APIs
• Build reusable UI components using modern component libraries

EX Squared LATAM partners with international companies to build sophisticated, data-driven platforms that support complex decision-making processes. They have a multicultural, LATAM-based engineering team with a culture focused on collaboration, ownership, and learning.

• Take significant part in the development and maintenance of frontend applications.
• Make architectural and technical decisions to ensure scalability, performance, and maintainability.
• Collaborate with cross-functional teams while maintaining a strong sense of ownership over the frontend codebase.

Finom is a European tech startup headquartered in Amsterdam, and they’re on a journey towards revolutionizing the financial landscape for entrepreneurs worldwide.

Build rich, performant frontend experiences in React + TypeScript, including dashboards, traces, configuration flows, and real-time views. Collaborate with backend engineers on requirements, define API contracts, implement UI, and ship with metrics, logs, and alerts wired up. Lead frontend architecture decisions around routing, data fetching, caching, and client-side error handling.

Arize AI is the leading AI & Agent Engineering observability and evaluation platform, empowering AI engineers to ship high-performing, reliable agents and applications.

• Implement new features and functionality within Localize’s core product.
• Develop and maintain REST APIs with Node/Express/MongoDB that power the frontend application.
• Modernize and evolve an existing codebase to improve patterns and architecture.

Localize's platform is used by 700+ companies to automate the translation of their web and mobile applications to bring their products & services to new markets.

Build responsive, performant, and accessible web applications using React and Next.js. Translate UX/UI designs, user journeys, and requirements into reusable, maintainable, production-ready components. Contribute to front-end architecture decisions, coding standards, and best practices.

Robots & Pencils is helping to build a modern, unified digital experience platform for a large multi-venue hospitality and entertainment organization.

• Architect and evolve scalable, high-performing front-end systems in Angular 15+ that power the ClickUp platform.
• Define standards, patterns, and best practices for reusable components, state management, and system performance.
• Provide technical leadership and mentorship, guiding engineers on best practices, architectural trade-offs, and new front-end technologies.

ClickUp is building the first truly converged AI workspace, unifying tasks, docs, chat, calendar, and enterprise search.

Develop and maintain responsive, interactive web applications using modern frontend technologies. Collaborate with UX/UI designers to implement visually appealing and user-friendly interfaces. Work closely with backend engineers to integrate APIs and optimize data flows.

Gcore is an international cloud and edge leader in providing first-class web performance, content delivery, and security.

• Design, implement, and scale backend services in .NET Core and front-end applications.
• Design and evolve highly scalable, reliable systems for high-traffic environments with strong observability and extensibility.
• Collaborate closely with Product, Design, and Data from discovery through launch to deliver impactful features.

JustAnswer is the leading AI + Human professional services platform, on a mission to revolutionize how people access expert help. JustAnswer has a 200+ engineer organization that delivers at pace and fosters a positive, collaborative culture focused on learning, impact, and continuous improvement.

Define the frontend architectural vision for complex products, design scalable component systems and UI frameworks, and translate product requirements into robust technical architecture. Lead performance optimization, accessibility, security, and scalability initiatives. Build reusable libraries and design systems, review code paths, and mentor senior engineers.

Emergent is reimagining how software gets built to democratize development, enabling anyone with an idea to become a creator.

• Work with the team to design and implement software utilizing object-oriented principles, design patterns, and testing practices
• Design user-based interactions through effective front-end architecture
• Review code written by peers, focusing on readability and efficiency

Ivans, a division of Applied, is at the heart of what is driving innovation across the entire insurance ecosystem through digital connectivity. Their culture is about being innovative, investing in their team, creating a customer-centric environment, and setting the industry up for the future.

• Design and deliver scalable, maintainable, and performant front-end applications.
• Set best practices and mentor junior engineers.
• Work closely with design, product, and back-end teams to deliver seamless experiences.

ParcelHero is a UK-based parcel delivery price comparison site with over 5 million visitors annually. As a technology-driven company with over 100 remote employees worldwide, they are dedicated to delivering innovative solutions and exceptional customer care in a collaborative culture.

Contribute to a major UI rebuild for one of the client's products using TypeScript and React. Collaborate with UX and Product teams to refine designs and iterate rapidly. Write unit tests and support CI/CD workflows.

Mobile Wave Solutions is a professional services company specializing in software development as a service.