Design and architect the algo trading platform with deep knowledge in frontend, backend, databases, and distributed systems.
Write high-quality code and make critical decisions to deliver the best customer experience.
Work with low-level CPU hardware and concurrency for high throughput and availability.
Alpaca is a US-headquartered self-clearing broker-dealer and brokerage infrastructure company. The team is 380+ globally distributed members with a culture of curiosity, empathy, and accountability.
Own and maintain the Java client library, ensuring robustness and ease of integration.
Design and develop high-performance server applications in C/C++ for low-latency market data.
Optimize codebase for high throughput and implement tools for petabyte-scale data processing.
Databento is the market data platform for modern finance, providing real-time and historical data across futures, options, and equities through a unified API. The company is composed of alumni from top quantitative firms and focuses on performance and reliability with a simple developer experience.
Work on features to increase speed and functionality of trading infrastructure, including new algorithms and exchange integrations.
Play an active role in executing system architecture and roadmap, collaborating with Product Management.
Grow to become an expert in entire trading systems and use deductive reasoning to solve complex problems.
sFOX is a full-service prime dealer that unites liquidity from over 30 exchanges and OTC desks. Founded in 2014, the company is backed by prominent investors and has a rapidly growing team.
Own and maintain our C# client library for external users.
Design and develop high-performance server applications in C++.
Optimize codebase for high throughput and low latency.
Databento is the market data platform for modern finance, providing real-time and historical data across futures, options, and equities through a unified API. The team includes alumni of leading quantitative firms, indicating a strong engineering culture.
Design and build performance-critical components for a high-frequency trading platform.
Own the full lifecycle from design to production support, including incident response.
Mentor junior engineers and contribute to architectural decisions that shape the platform.
Reactive Markets is the 2026 OTC Trading Platform of the Year, handling 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 low-latency trading infrastructure on Linux, including pricing engines, connectivity gateways, and market-data systems.
Own the full lifecycle of your code from design to production support, including incident response and continuous improvement.
Work with modern C++20, Go, and cloud-native infrastructure on AWS with microsecond-level latency optimisation.
Reactive Markets is an OTC trading platform that handles over $50 billion in daily trading volumes across FX, Equities, and Cryptocurrency, connecting 40+ of the world's leading liquidity providers. Their engineering team is small, senior, and deeply invested in building cutting-edge, reliable, high-performance systems.
Build and scale the systems and services that form the foundation of Alpaca's global payments and treasury platform.
Operate in an industry where money movement is critical, using modern, event-driven, and highly scalable architectures.
Collaborate with a distributed team to design and implement solutions with autonomy, focusing on quality and resilience.
Alpaca is a US-headquartered self-clearing broker-dealer and brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, and more. Our global team of 380+ members values curiosity, empathy, and accountability.
Build and scale mission-critical order and execution management infrastructure in Rust.
Design systems balancing low-latency execution, fault tolerance, and correctness across distributed trading workflows.
Translate evolving regulatory and market structure requirements into reliable, testable platform capabilities.
Clear Street is a diversified financial services firm modernizing the brokerage ecosystem with a cloud-native clearing and custody system. Founded in 2018, the company is a small, growing team with a meritocratic culture that champions collaboration.
Own the architecture of the Nexus Exchange end-to-end while staying hands-on in production code.
Lead the engineering org, managing timelines, roadmaps, and resourcing across senior engineers and pods.
Drive product and customer outcomes with high-frequency iteration and a business-first mindset.
Nexus is a blockchain built to natively embed the world’s financial system into one compounding system, unifying infrastructure across chains. Headquartered in San Francisco with a growing presence in Buenos Aires, the cross-continental team of engineers and cryptographers is backed by investors like Pantera and Lightspeed.
Design and scale highly available backend services and APIs supporting AI-powered developer tools.
Develop distributed systems optimizing reliability, latency, cost, and performance at global scale.
Provide technical leadership through mentorship, code reviews, and collaboration across engineering teams.
Our partner is building next-generation AI-assisted software development experiences. This remote-first role contributes to a globally impactful AI platform with a collaborative culture focused on innovation, inclusion, and technical excellence.
Build the core AI platform that powers a copilot inside a new, AI-native trading experience.
Develop a high-performance backend in Rust supporting streaming responses, low-latency tool execution, caching, and reliable orchestration of model plus tools.
Design robust APIs and runtime components for AI capabilities including authentication, rate limits, auditing, tracing, retries, and fallbacks.
Clear Street is a diversified financial services firm replacing legacy infrastructure used across capital markets. Founded in 2018, the company has built a cloud-native clearing and custody system and supports billions in trading volume per day, with a culture focused on collaboration and diversity.
Design and build core financial systems including trading, ledger, and billing.
Develop systems for transaction processing, reconciliation, and portfolio state management.
Build and scale real-time and batch data pipelines.
Arta leverages AI and digital tools to make financial products accessible to a broader global audience. The company values trust, teamwork, and adaptability.
Identify and execute borrow and loan opportunities across equities, fixed income, and ETFs using manual and automated strategies.
Leverage Python and SQL to streamline tasks, develop analytical tools, and automate data-driven decisions.
Collaborate with Product, Engineering, and Operations teams to optimize data pipelines, trading systems, and risk controls.
Alpaca is a US-headquartered global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, and more. The company has over 400 globally distributed employees and is backed by $400 million in funding from top-tier investors.
Design and build mission-critical trading systems using Rust and AWS.
Take ownership of high-impact trading infrastructure and set technical direction.
Drive continuous improvement in system performance, reliability, and operability.
Keyrock is a highly-profitable firm specializing in capital markets and trading systems. They operate with a global, fully-remote team and emphasize a fast-paced, collaborative culture.
Lead end-to-end architecture and implementation of high-performance detection tools.
Mentor junior engineers through design reviews and promote maintainable code standards.
Collaborate with product managers and scrum masters to deliver high-quality releases on schedule.
Corelight defends the world's most sensitive networks by transforming digital footprints into actionable insights, using open-source innovations and agentic AI. It is a fast-growing network detection and response platform with a collaborative, inclusive, distributed culture.