Own key architecture and technical decisions across backend systems to ensure scalability, reliability, and performance.
Build and operate real-time data pipelines handling order book updates, trades, and market events.
Design, develop, and maintain API infrastructure including GraphQL and WebSockets, and optimize PostgreSQL, Redis, and ClickHouse for high-volume trading data.
Design and implement low-latency backend systems and APIs for quoting, hedging, and executing across on-chain and traditional trading venues.
Collaborate with the trading team to define interfaces and workflows between pricing, execution, and market data services.
Build reconciliation and data-integrity tooling to ensure positions, fills, and PnL consistency across live trading state.
Ondo Finance provides institutional-grade, blockchain-enabled investment products and services, with a technology arm developing DeFi and an asset management arm creating tokenized funds. They are a well-capitalized, fully remote team with members across the U.S., backed by top investors.
Own backend solutions end to end, from problem definition through production.
Design and evolve services for performance, scale, resilience, and data integrity.
Work closely with product and engineering colleagues to turn complex requirements into simple, durable solutions.
Trading212 enables everyone to build wealth by reinventing trading and investing through exceptional products. They serve over 6 million clients with over €38 billion in assets, fostering a culture of high standards, high velocity, and ownership.
Own backend solutions end to end, from understanding business problems to production deployment.
Design and evolve services for performance, scale, resilience, and data integrity.
Diagnose production problems, address root causes, and share knowledge across the team.
Trading212 enables everyone to build wealth by creating exceptional trading and investing products. Serving over 6 million clients with more than €38 billion in assets under management, the company values high standards, high velocity, and engineering ownership.
Design, build, and operate backend services for Aave App across onboarding, funding, savings, withdrawals, portfolio data, and customer communications.
Build transaction-orchestration and indexing services that safely prepare, submit, monitor, and reconcile onchain activity across its full lifecycle.
Lead technical reviews for high-value systems and improve testing, observability, alerting, incident response, and deployment practices.
Aave Labs builds trusted products that expand access to lending, credit, and savings globally. We are a global team holding a high bar for quality and craftsmanship, turning complex technology into simple and reliable experiences.
Design, develop, and maintain scalable backend services using Node.js and TypeScript, building REST APIs for multiple products.
Optimize database queries, work with high-volume datasets, and implement asynchronous processing using queues and event-driven architecture.
Monitor production services, debug issues, participate in on-call, and contribute to root-cause analysis and sustainable fixes.
HighLevel is an AI-powered business operating system for agencies, entrepreneurs, and SMBs, supporting over 1 million businesses across 150+ countries. With over 2,000 team members, it operates as a remote-first, global organization that values initiative, clarity, and execution.
Design highly reliable services capable of handling significant traffic fluctuations.
Monitor backend performance, identify bottlenecks, and implement effective optimizations.
Collaborate with cross-functional teams to solve complex technical challenges.
We are a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries and have a flat, innovative culture that values collaboration and autonomy.
Design and build core systems for our new product from scratch.
Build low-latency, high-reliability services that interact directly with Solana's transaction and block building pipeline.
Own critical infrastructure: order routing, execution, real-time market data, and position management.
Jito builds the market layer of Solana, providing execution, capital, and incentive infrastructure for the network's onchain economy. They are a small, profitable company with a lean, high-density team that values ownership, fast execution, and technical excellence.
Design, build, and maintain scalable distributed backend systems powering platform and product capabilities.
Own backend services end-to-end, from architecture to monitoring, while collaborating with product and engineering peers.
Build and evolve Web3 platform backend components, including protocol integrations and blockchain network support.
Zerion builds backend systems for Web3 infrastructure, powering API and wallet products trusted by 50+ top crypto brands. They have a fully remote team with strong ownership and high code quality, processing over 3.1B requests and supporting 1.7M+ active funded wallets.
Design, build, and maintain backend services for the data layer that stores and serves Camunda 8's process data, spanning relational databases and Elasticsearch/OpenSearch.
Own the end-to-end delivery of engineering initiatives, working with Product Management to break down requirements into concrete solution designs.
Help evolve how we process, retain, and expose process data, so customers can work with their data the way they need to.
Camunda is the enterprise platform for agentic orchestration, enabling organizations to coordinate AI agents, people, and systems. Trusted by over 700 organizations worldwide, including 9 of top 10 US banks, Camunda is fully remote and global, transforming into an AI-first organization.
Design highly scalable, mission-critical market data provider services.
Maintain good software quality and test coverage, and participate in code reviews.
Troubleshoot incidents and reported bugs.
Alpaca is a US-headquartered global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, and more. The company is backed by $400 million in funding and has a diverse team of 400+ members across multiple countries.
Own high-consequence backend problems spanning services and product domains.
Establish architectural direction and make technical decisions explicit.
Mentor senior engineers and improve engineering judgement across teams.
Trading212 is a fintech company that reinvents trading and investing by creating exceptional products for wealth building. They serve over 6 million clients with more than €38 billion in assets under management, fostering a culture of high standards, high velocity, and engineering ownership.
Architect and build high-performance crypto spot and derivatives exchanges, including matching engine, risk engine, and regulatory reporting.
Lead all crypto engineering, including spot and derivatives exchanges licensed in the US and Bahamas.
Design scalable backend services, maintain code quality, participate in code reviews, and troubleshoot incidents.
Alpaca is a US-headquartered global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, and more. Our diverse team of 400+ globally distributed members thrives working from anywhere, backed by $400 million in funding from top-tier investors.
Design, build, and maintain clean, efficient, and scalable backend services in Node.js and TypeScript.
Develop new product features from concept to deployment, collaborating closely with product managers and frontend engineers.
Own key parts of our backend architecture, making critical decisions that enhance performance, reliability, and security.
Fundraise Up is a global fundraising platform that makes donating to nonprofits fast and accessible. The company has 160+ product professionals, including 80+ engineers, and fosters a culture of technical curiosity and knowledge sharing.
Own the surface of JTX across web and mobile, including order entry, market data, charts, and wallet flows.
Ship real-time trading interfaces with tight latency and render budgets against streaming market data.
Make architectural decisions that hold as the codebase, team, and user base grow by an order of magnitude.
Jito builds the market layer of Solana: the execution, capital, and incentive infrastructure behind the network's onchain economy. They are a lean, high-density team where everyone owns real surface area, works in the open, and ships at pace.
Design, build, and evolve the core data platform infrastructure including distributed query engines and orchestration.
Own our lakehouse infrastructure as code using Terraform and Ansible on Kubernetes.
Build and maintain low-latency streaming and batch ingestion pipelines, and scale the BI landscape.
Alpaca is a US-headquartered global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, and more. We are a dynamic team of 400+ globally distributed members who thrive working from our favorite places around the world.
Own and evolve the core platform, including data model, APIs, and services.
Design and build backend systems for portfolio intelligence, including data aggregation and analysis at scale.
Build and maintain integrations with customer tools and make architectural decisions for growth.
Dragonboat provides an AI platform for Strategic Product and Portfolio Management, trusted by enterprises globally. It is a venture-backed, fast-growing SaaS startup with remote teams in Portugal and the US.
Lead and mentor a team of engineers, establishing strong engineering practices and coding standards.
Architect and develop high-performing backend services and APIs using TypeScript and Node.js.
Collaborate with Product, Frontend, and DevOps to deliver scalable technical solutions aligned with business objectives.
Our partner is a fast-growing fintech organization focused on financial technology and Forex solutions. They foster a culture of ownership, adaptability, and continuous improvement, operating as a fully remote team.
Own the full pipeline for financial market data, from source discovery to ingestion, modeling, and service.
Build scalable data pipelines with Flink, optimizing latency, throughput, and cost.
Establish data quality frameworks and collaborate with cross-functional teams to define data contracts.
Binance is a leading global blockchain ecosystem behind the world's largest cryptocurrency exchange by trading volume and registered users. With over 300 million users in 100+ countries, we offer a diverse range of digital-asset products and services in a fast-paced, results-driven environment.
Design and build scalable backend services and APIs for LaunchDarkly's Experimentation product.
Own backend components from discovery through monitoring and continuous improvement.
Collaborate with cross-functional teams to translate customer needs into reliable technical solutions.
LaunchDarkly is a feature management platform that helps developers release software faster and safer. The company fosters a collaborative, respectful, and inclusive culture with a focus on team empowerment.