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.
Deliver major features and architectural improvements across the Add-ons stack, including automated moderation pipelines, Reviewer tools, and DevHub.
Improve platform reliability through deployments, monitoring, and incident response, while creating robust observability systems and data-backed insights.
Collaborate with designers, product managers, QA, and community contributors to deliver end-to-end improvements and resolve issues impacting users and developers.
Mozilla Corporation is the non-profit-backed technology company behind Firefox and other products, focused on making the internet better for people. With over 225 million users and wholly owned by the non-profit Mozilla Foundation, we are committed to open-source software and a people-first mission, not shareholders.
Design and scale highly reliable platform systems supporting complex cloud-native workloads across multiple deployment environments.
Build and enhance core platform services while contributing to distributed systems, event-driven architectures, and cloud-native infrastructure.
Optimize cloud resources, networking, storage, compute, and observability to improve system performance, scalability, reliability, and maintainability.
Jobgether uses an AI-powered matching process to connect candidates with hiring companies. They operate as a job platform, processing applications and sharing top candidates with employers.
Design, develop, and maintain fullstack features for a high-scale ad-tech platform.
Build and enhance user-facing dashboards and campaign management interfaces.
Collaborate with product, design, and backend teams to deliver high-quality user experiences.
Our partner is a global ad-tech platform operating at massive scale, processing billions of ad requests daily. It is a high-growth, international, and diverse team with a collaborative engineering culture and strong technical mentorship.
Design, develop, and maintain scalable backend APIs supporting authentication, payments, subscriptions, analytics, consumption tracking, and text-to-speech services.
Build and optimize reliable backend systems with a strong focus on scalability, performance, security, and maintainability.
Collaborate with cross-functional teams to align backend architecture with product strategy, customer needs, and user experience goals.
Our partner is a technology company building backend infrastructure that powers products used by millions worldwide, focusing on accessibility and learning experiences. They are a fast-growing global company with a collaborative engineering culture and a fully distributed team.
Own and evolve core features of a non-custodial crypto wallet including transactions, swaps, and bridges.
Lead development of advanced financial products such as crypto cards and IBAN payments.
Collaborate with Product, Design, Backend, and QA teams in a highly autonomous setting.
They are building a non-custodial crypto wallet at the intersection of mobile engineering, fintech, and blockchain. The team is international, product-driven, and operates in a fast-moving environment.
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.
Take ownership of technical delivery and drive engineering excellence, leading a team of developers while hands-on in the codebase.
Collaborate with Product and fellow Technical Leads to shape architectural strategy and foster knowledge sharing.
Coach and mentor your team to high standards, championing a design-first culture and ensuring quality software is shipped on time.
i6 provides end-to-end aviation fuel management technology, enabling operational efficiency and sustainability for airlines and fuel service providers. They are a remote-first company with offices in Manchester and Surrey, and have recently raised Series B funding.
Design, implement, and maintain internal and public-facing APIs used across Supabase products, including Studio, CLI, and OAuth applications.
Integrate with third-party platforms and partners, providing clear API points for them to connect with Supabase.
Build and enhance testing, debugging, and monitoring tools to ensure API stability, reliability, and performance.
Supabase is a Postgres development platform that provides a complete backend solution including Database, Auth, Storage, Edge Functions, Realtime, and Vector Search. They are a remote-first, open-source company with 280+ team members across 55+ countries, and they have raised $500M.
Deploy and integrate an enterprise AI platform (LIGER) into customer environments, building custom integrations and shipping features that solve real problems.
Conduct proof-of-concept demonstrations and translate customer needs into working code across the full stack: Angular/TypeScript, Node.js/Python, PostgreSQL.
Design and implement agentic workflows, document processing pipelines, and ensure successful deployment with 60-180 day post-sale support.
LMI is a digital solutions provider dedicated to accelerating government impact with innovation and speed, delivering commercial-grade platforms and mission-ready AI to federal agencies. LMI is a small, high-visibility team within the Chief Technology Office, with a startup-like culture that values outcomes over process.