Harrington Starr
Junior C++ Engineer
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This role sits within a high-performing engineering group responsible for building and supporting the core systems that underpin real-time trading activity. The successful candidate will work across the full software development lifecycle, contributing to the design, build, deployment, and optimisation of highly scalable, performance-critical applications.
Key Responsibilities
- Build, test, and enhance high-performance trading systems using C++ and Python
- Translate quantitative models and trading logic into robust production-ready software
- Develop internal tools and interfaces used directly by front-office trading teams
- Improve market data ingestion, exchange connectivity, and real-time data flows
- Contribute to distributed systems, low-latency communication, and performance tuning initiatives
- Take part in design discussions, code reviews, profiling, and CI/CD improvements
- Gain hands-on exposure to algorithmic trading infrastructure, market structure, and risk platforms
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Candidate Profile
- Early-career experience demonstrated through internships, placements, or academic projects (0–2 years)
- Bachelor’s or Master’s degree in Mathematics, Physics, Engineering, or a related discipline (graduating between December 2025 and June 2026)
- Strong programming capability in C++ and Python
- Solid foundations in data structures, algorithms, and operating systems
- Comfortable working in Linux/Unix environments
- A strong focus on writing clean, efficient, and maintainable code
- Excellent analytical thinking and problem-solving ability
- Clear communicator with the ability to collaborate effectively in team environments
- Genuine interest in financial markets (prior finance experience not required)
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Desirable Experience
- Exposure to distributed systems, concurrency, or network programming
- Experience working with low-latency or real-time systems
- Familiarity with trading platforms, data pipelines, or simulation tools
- Open-source contributions or personal technical projects that demonstrate initiative
Contact Ciara Clarke at Harrington Starr for a confidential discussion.
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