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.
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.
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 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.
Develop, maintain, and optimize applications using C++ in a Linux-based environment.
Write clean, maintainable, and high-performance code aligned with software engineering best practices.
Test, debug, and deploy applications while ensuring system stability and reliability.
Jobgether uses AI-powered matching to streamline job applications for candidates. This posting is on behalf of a partner company, which manages all applications and next steps; the role is part of a collaborative and technology-driven environment.
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.
Monitor live trading systems, triage alerts, and lead incident response across multiple regions and asset classes
Deliver production configuration changes, including FIX session setup, client onboarding, and post-release verification
Build automation, runbooks, and AI-assisted tooling to reduce toil and scale operational knowledge across a distributed team
Reactive Markets is the 2026 OTC Trading Platform of the Year. Their network handles over $50 billion in daily trading volumes across FX, Equities, and Cryptocurrency, connecting 40+ of the world's leading liquidity providers, and their engineering team is small, senior, and deeply invested in building cutting-edge, reliable, high-performance systems.
Design, develop, and maintain software applications using modern C++ (C++17/C++20).
Optimize applications for performance, scalability, and memory usage while collaborating with architects and technical leads.
Participate in code reviews, resolve defects, and use AI-assisted development tools to improve software delivery.
Nagarro is a digital product engineering company that builds products, services, and experiences across all digital mediums. With over 18,000 experts across 39 countries, we have a dynamic and non-hierarchical work culture.
Contribute to high-performance C++ backend solutions supporting genomic analysis and precision healthcare.
Optimize large-scale systems and take end-to-end ownership of technical projects from design to deployment.
Collaborate with backend engineers, bioinformaticians, and product stakeholders to deliver robust, scalable solutions.
This position is listed on behalf of a partner company specializing in genomic analysis and precision healthcare technologies. The team is collaborative and distributed, working with multidisciplinary experts across software engineering, bioinformatics, and product development.
Collaborate closely with the team on C++ development, with flexibility to work remotely.
Ship features when you think they are ready, with no time pressure.
Work with a brilliant team that values work-life balance and thoughtful engineering.
think-cell develops productivity software used by over 1.3 million users across 35,000 companies. They are a diverse team of over 220 people with offices worldwide, committed to innovation and excellence.
Develop and optimize low-level kernels, runtime components, and system software for high-performance AI inference workloads.
Improve inference engine performance across GPU platforms by identifying bottlenecks and implementing advanced optimization techniques.
Profile, debug, and resolve system-level and hardware-level performance issues across CPU and GPU environments.
This position is listed on behalf of a partner company building cutting-edge AI infrastructure for large-scale inference platforms. They operate in a highly technical, international, and innovation-driven environment where engineering excellence and ownership are valued.