You'll build complex full-stack features in TypeScript and Rust, from trader-facing interfaces to application services.
You'll work on real-time market-data presentation and high-throughput, low-latency code across FX, Equities, and Cryptocurrency.
You'll design and implement distributed systems and real-time data over REST, WebSockets, and network protocols.
Reactive Markets is an OTC trading platform that handles over $50 billion in daily trading volumes across FX, Equities, and Cryptocurrency. Our engineering team is small, senior, and deeply invested in building cutting-edge, reliable, high-performance systems.
Build and own the frontend for Superluminal using TypeScript and React.
Design the core trading experience: order entry, positions, pricing display, and charts.
Operate with a high degree of autonomy on a small, fast-moving team.
Douro Labs builds Superluminal, a new perpetuals exchange focused on fast execution and better pricing for traders. The frontend team currently has three members, and this role is one of the first full-time hires, offering high independence and fast decision-making.
Architect and build a high-performance trading platform for active traders.
Collaborate with cross-functional teams on large-scale initiatives.
Prioritize end-user experience and maintain high code quality.
Clear Street is modernizing the brokerage ecosystem by replacing legacy infrastructure with a cloud-native clearing and custody system. Founded in 2018, the firm supports billions in trading volume daily and fosters a collaborative, innovative culture.
Design and develop scalable, high-performance frontend applications using React and TypeScript.
Co-own frontend architecture, including component design, state management, and performance optimization.
Collaborate with product, design, and backend teams to deliver intuitive, user-centric experiences.
Our partner is an AI-powered observability platform that helps developers manage massive data volumes. They are a remote-first company with a collaborative engineering culture and a focus on innovation.
Build a best-in-class web experience for sophisticated retail traders on a new AI-native active trading platform.
Ship core active trading workflows including order entry, positions, blotter, watchlists, alerts, and high-density data views.
Collaborate with users and backend engineers to design low-latency interactions and AI tool integration.
Clear Street modernizes the brokerage ecosystem with a cloud-native clearing and custody system for capital markets. Founded in 2018, the company supports billions in daily trading volume and fosters a collaborative, high-performance culture with a focus on diversity.
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.
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.
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.
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.
Own, build, and maintain our JavaScript client library, ensuring it is robust and well-tested.
Build responsive, performant front-end applications using React, Redux, Vite, and WebSockets.
Contribute to full-stack projects including backend work in Python and REST API design.
Databento provides real-time and historical market data through a unified API. The team includes alumni from top quantitative firms like Two Sigma and Citadel Securities.
Build modern dashboard UI with React and TypeScript, shipping features for Canvas-based Generative AI pipelines and integrating with async WebSockets.
Ensure performance with large media datasets and shape UX decisions, not just implement specs.
Define data contracts with Backend and implement drag-and-drop interfaces, undo/redo, and real-time preview.
SplitMetrics is a global software company offering an ecosystem of products and services that serve as a growth engine for top mobile-first businesses worldwide. With nearly 10 years of experience, they work with top mobile companies and brands globally, generating over $1 billion in ad spend and fostering a remote-first, supportive culture across 20+ countries.
Build and maintain a React/TypeScript frontend at real scale, owning complex UI components for route search, filtering, and map visualization.
Work closely with backend engineers on API contracts, integrate third-party tools like Auth0 and PostHog, and maintain high performance standards.
Ship via GitHub Actions CI/CD pipelines and participate in architecture and UX decisions with genuine self-direction.
Routescanner is the world's leading container logistics intelligence platform, helping shippers and freight forwarders optimize intermodal container routes. They are a growing, lean, senior team focused on clean code and high trust without micromanagement.
Design, develop, and deliver high-quality fullstack web solutions covering major product features end-to-end.
Work cross-functionally with engineers, product managers, and customer success, with close feedback loops from users.
Optimize the Northbeam dashboard for speed, reliability, and performance, while contributing to technical documentation.
Northbeam builds an advanced marketing intelligence platform for eCommerce brands, offering attribution modeling and dashboards. The company is experiencing rapid growth, has strong product-market fit, and values personal growth and excellence in a remote-friendly environment.
Build modern web applications using React, Next.js, TypeScript and modern frontend technologies.
Integrate frontend applications with backend APIs, workflow engines and automation services.
Optimise application performance, scalability and reliability, and participate in code reviews.
BJAK is transforming the insurance industry through AI, building intelligent workflow platforms that automate complex insurance operations. It is a high-growth technology company with a global engineering team and a modern engineering culture focused on code reviews and continuous improvement.
Build responsive, high-performance web applications and trading interfaces across the full stack.
Design and develop scalable APIs, backend services, and microservices.
Implement real-time dashboards and optimize for speed, reliability, and user experience.
Tradeify builds a high-performance trading ecosystem that empowers traders worldwide with capital, technology, education, and community. They are a rapidly scaling fintech with a fast-moving startup culture.
Design and build core systems of the charting engine, including rendering primitives and domain features like drawing tools and indicator math.
Own the framework-agnostic core library architecture and its public API, plus build and maintain React and React Native bindings.
Drive architectural decisions on canvas compositing, performance standards, and establish visual testing discipline with pixel diffing and deterministic replay tests.
Topstep builds a trading platform with a custom charting engine that thousands of active traders rely on daily. It offers a collaborative remote culture with cameras-on meetings and a robust Slack environment, fostering a culture of ownership and engineering excellence.
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.
Design and build complex workflows across dashboards, traces, logs, metrics, alerts, and infrastructure monitoring.
Own large frontend features and systems end-to-end from problem definition to production.
Architect for performance using virtualization, progressive loading, smart caching, and selective rendering.
SigNoz is an open-source observability platform that brings metrics, logs, and traces into one product. With 31,500+ GitHub stars and 8,000+ Slack community members, they are a small, experienced remote-first team.
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.
Lead contributions to Mapbox Studio, our flagship map design tool, shipping simple, performant code.
Facilitate technical decisions driving long-term vision and build workflow tools for map designers.
Solve complex architecture problems, participate in design process, and promote operational excellence.
Mapbox is the leading real-time location platform for a new generation of location-aware businesses. With over 4 million registered developers, they provide tools for navigation and location experiences, emphasizing flexibility, security, and privacy compliance.