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The Role
Build and maintain low-latency trading and research platform components using C++ and Python. Develop trader and quant tools, diagnose live production issues, collaborate on delivery, and profile and optimize performance-critical code. The role requires experience with production software systems, concurrency, algorithms, Linux, and interest in financial markets, with preferred exposure to systems-level applications, networking, trading technology, or open-source projects.
Summary Generated by Built In
Obsidian Capital is a proprietary high-frequency trading firm in Ahmedabad, building ultra-low-latency systems that trade Indian markets with our own capital. Tiny, hungry team. Big ambitions. The code you ship moves P&L the next trading day — not the next quarter.
We are hiring a Software Developer to build and maintain the systems our traders and quantitative researchers use every day. You will work across our trading platform, write performance-critical code in C++ and Python, and own features end-to-end from design to production.
What you'll do
• Design, develop, test, and maintain components of our trading and research platform
• Write low-latency, high-throughput code in C++ and Python
• Build internal tools and infrastructure used directly by traders and quant researchers
• Diagnose and resolve issues in live production trading systems
• Collaborate with cross-functional teams — traders, researchers, and other engineers — on project delivery
• Profile, benchmark, and optimize hot paths in production code
Requirements
Must have
• 1 – 3 years of professional experience building production software systems
• Strong proficiency in C++ and Python
• Hands-on experience with multithreading and multiprocessing
• Solid grasp of data structures, algorithms, and software design patterns
• Comfort working in Linux environments
• Genuine interest in financial markets and algorithmic trading
• Bachelor's degree in Computer Science, Engineering, or a related field (any graduate considered for exceptional candidates)
Nice to have
• Experience building latency-sensitive or systems-level applications
• Exposure to network programming, sockets, or kernel-bypass stacks
• Prior work in quantitative finance, trading, or market data systems
• Contributions to open-source systems projects
Benefits
• Compensation: INR 24 – 36 LPA, based on experience
• Year-end performance-linked bonus
• Direct ownership of high-impact work in a small, focused team
• Exposure to the full stack of a proprietary trading business — research, execution, risk, infrastructure
• Work alongside traders, researchers, and engineers in one room
• On-site role in Ahmedabad — immediate joining preferred
Skills Required
- 1–3 years of professional experience building production software systems
- Strong proficiency in C++ and Python
- Hands-on experience with multithreading and multiprocessing
- Solid grasp of data structures, algorithms, and software design patterns
- Comfort working in Linux environments
- Genuine interest in financial markets and algorithmic trading
- Bachelor's degree in Computer Science, Engineering, or a related field; exceptional candidates may be considered without a degree
- Experience building latency-sensitive or systems-level applications
- Exposure to network programming, sockets, or kernel-bypass stacks
- Prior work in quantitative finance, trading, or market data systems
- Contributions to open-source systems projects
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The Company
What We Do
Obsidian Capital is a proprietary high-frequency trading firm in Ahmedabad that builds ultra-low-latency quantitative and algorithmic systems for Indian markets, trading exclusively with its own capital. Its work combines quantitative research, engineering, advanced models, risk management, and technology infrastructure to provide liquidity, support efficient price discovery, and identify market inefficiencies. The firm does not onboard clients or offer public broking services.
