ApplySarthiPerformance Engineer
IMC
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This role on the market
612 open performance roles across 171 companies are on ApplySarthi right now, most of them in Bengaluru (46), Hyderabad (22), Pune (8).
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- Director of Performance Marketing (m/w/d)Pammys™ (dieseo GmbH)
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What performance roles keep asking for: C++ (15%), Python (14%) — counted across their open postings here.
C++ jobs · Java jobs · Linux jobs · Machine learning jobs
IMC has 175 open roles listed here.
Counted across 14 company job boards, updated as roles open and close.
Preparing for this interview
Interviews for performance roles keep coming back to C++, Python. Practise those questions before you sit with IMC.
Questions you are likely to be asked
- Why do you want to join IMC?
- What is your experience with C++? Tell me one thing you learned the hard way.
- Tell me about a hard bug you tracked down. How did you find the cause?
- How do you decide what to test, and what does good code review look like to you?
- Describe a time a deadline forced a trade-off in quality. What did you choose and why?
Prep Sarthi gives you a free mock interview: an AI interviewer asks you questions like these out loud, from your own CV and this job, and shows your score and your weakest answer.
Practise the Performance Engineer at IMC interview free →As a Performance Engineer at IMC, you will play a pivotal role in analysing, optimising, and tuning our systems' interaction with exchange systems holistically. Working closely with traders and engineers, you'll be tasked with uncovering performance improvements across the trading stack. This role combines technical ingenuity with creative problem-solving to outsmart competition in one of the most demanding technical landscapes.
Your Core Responsibilities:
- Black Box Reverse Engineering and Analysis: Analyse and understand the behaviour of complex, live systems — such as exchange connectivity and market data feeds — using black-box techniques, with no source code access. Design and run statistical experiments against real data to explain emergent real-world phenomena and identify performance bottlenecks and optimisation opportunities. This is investigative work aimed at systems you can observe but not disassemble, not static binary or malware analysis.
- Experimentation & Prototyping: Design, implement, and build working prototypes to test ideas and technologies quickly — not specifications for others to build from.
- Collaboration & Communication: Liaise effectively with traders, software and hardware engineers, and infrastructure teams to share insights and implement solutions.
- System Analysis: Analyse terabytes of network data using statistical methods to identify patterns, validate hypotheses, and quantify performance improvements.
Your Skills and Experience:
Most of the following will apply — we don't expect every candidate to check every box:
- Comfortable using statistics and data analysis to test hypotheses at scale, not just qualitative or manual investigation.
- System-level optimisation or low-level network optimisation — ideally applied to live/external systems rather than static binaries.
- Strong understanding of networking, computer internals, and Linux systems.
- Exposure to low-latency hardware technologies such as Intel CPUs, FPGA, or microwave links is a strong plus, though not required.
- Proven commercial experience writing and shipping production code — Python and/or C++ or Java
About Us
IMC is a research-driven trading firm where quantitative modeling, machine learning, and engineering shape how modern markets are traded. A stabilizing force in markets since 1989, we provide liquidity across trading venues, delivering the best outcome in value and risk management to investors. Using our own technology and capital, we build proprietary systems and algorithms that operate across global markets. Our researchers, traders, and engineers work as a collective, combining rapid experimentation, advanced infrastructure, and real-time feedback to turn insight into execution and execution into advantage.
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Listed on greenhouse · posted 2026-09-09. ApplySarthi collects openings and links to application pages; the role is advertised by IMC, not by us.