Develop and optimize high-performance trading systems using modern C++. Responsibilities include building low-latency infrastructure, executing trading algorithms, and ensuring robust system reliability.
Core C++ Developer – Crypto High-Frequency Trading
Location: New York, in office full time
About Selini:
Selini is a global trading firm focused on systematic trading and venture investing - all within the digital assets space.
OverviewWe are seeking an exceptional Core C++ Developer to contribute to the development and optimization of our high-performance trading systems. This role focuses on building ultra-low-latency infrastructure, optimizing execution speed, and ensuring robust system reliability. The ideal candidate will have deep expertise in modern C/C++, systems programming, and high-performance computing.
Key Responsibilities- Design, develop, and optimize low-latency, high-performance trading infrastructure in modern C/C++ (latest standards).
- Implement efficient and scalable trading algorithms, order execution, and risk management systems.
- Deep understanding of exchange connectivity standards for market data and order entry
- Optimize CPU performance, memory management, and multi-threaded applications.
- Collaborate with quant researchers, traders, and infrastructure engineers to improve system performance.
- Profile, benchmark, and debug real-time systems to minimize latency and maximize throughput.
- Maintain robust and fault-tolerant system components for continuous trading operations.
- Expert-level proficiency in C++, with a strong grasp of modern C++ features (C++17/20/23/26).
- Extensive experience in low-latency, high-performance systems programming.
- Deep understanding of networking (TCP/UDP), concurrency, and multi-threading.
- Strong experience in Linux-based development and performance tuning.
- Experience with real-time, high-throughput systems where performance is critical.
- Background in crypto or traditional finance trading systems
- Candidates from top-tier institutions or recognized as domain experts are preferred.
- Strong analytical skills and ability to work in high-pressure, real-time environments.
- Collaborative team player who enjoys solving complex engineering problems.
We’re a close-knit team that values:
- High ownership and initiative
- Curiosity, intellectual honesty, and rapid learning
- Clear, direct communication
- Working together toward shared goals — no ego, no politics
- Very competitive compensation, with strong upside based on contribution and performance
- Competitive holiday allowance
- Free daily Deliveroo lunch
- High-spec office and technology
- Team socials
- Global company offsites and development opportunities
Top Skills
C++
C++17
C++20
C++23
C++26
Linux
Multi-Threading
Tcp
Udp
Similar Jobs
Fintech • Machine Learning • Social Impact • Software • Financial Services
Lead the development and optimization of AI-powered workflow capabilities in a B2B SaaS platform, collaborating with teams to improve client outcomes.
Top Skills:
AgileAIConfluenceJIRAMachine LearningSaaS
Automotive • Hardware • Robotics • Software • Transportation • Manufacturing
Assist in operating complex machinery, support quality assurance, conduct safety practices, and aid engineering documentation for production processes.
Top Skills:
BlueprintsInspection ToolsMachinery Operation
Artificial Intelligence • Fintech • Insurance • Marketing Tech • Software • Analytics
This role involves designing and developing data solutions, pipelines, and workflows in a Cloud environment, focusing on data integration and analytics for business partners.
Top Skills:
AWSGuidewireInformaticaJavaScriptPythonSnowflakeSQL
What you need to know about the Singapore Tech Scene
The digital revolution has driven a constant demand for tech professionals across industries like software development, data analytics and cybersecurity. In Singapore, one of the largest cities in Southeast Asia, the demand for tech talent is so high that the government continues to invest millions into programs designed to develop a talent pipeline directly from universities while also scaling efforts in pre-employment training and mid-career upskilling to expand and elevate its workforce.
