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Quantitative Developer (QD) Responsibilities Build high-performance research and trading infrastructure supporting systematic strategies across global markets. Develop and optimize large-scale data processing, backtesting, simulation, and strategy research systems. Work closely with Quantitative Researchers and Traders to translate research ideas into robust, production-ready systems. Improve system performance, scalability, reliability, and research efficiency. Take end-to-end ownership of complex engineering projects, from architecture design to deployment. Requirements Bachelor's, Master's, or PhD degree in Computer Science, Mathematics, Engineering, or other highly quantitative disciplines from a top-tier university. Exceptional programming ability in C++ and Python, with strong knowledge of algorithms, data structures, and system design. Strong understanding of Linux, concurrency, networking, memory management, and performance optimization. Demonstrated ability to design and build complex, large-scale systems independently. Strong mathematical and analytical ability, with excellent problem-solving skills. Experience with quantitative research, financial data, backtesting, or trading systems is highly preferred. Proven track record of outstanding engineering or research achievements, such as top-tier technical projects, competitive programming, open-source contributions, or experience at leading technology / quantitative firms. Preferred Qualifications Experience in HFT, quantitative trading, or large-scale distributed systems. Strong competitive programming background, such as ICPC / IOI / Codeforces. Experience optimizing latency-sensitive or high-throughput systems. Experience with GPU computing, distributed computing, or large-scale machine learning infrastructure. Demonstrated ability to solve highly complex technical problems with minimal guidance.
Here's where they are and how to stand out in your next interview.
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That number includes positions in India (9,577), Poland (3,429), the United States (1,753), Singapore (787), and Brazil (779). If you're looking to move or work remotely, check which countries match your goals — then filter WorkMundi by location to see what's actually hiring near you.
Most developer ads you'll see are written in English: 18,397 of the 24,795. That doesn't tell you whether the job itself requires you to speak English or work in English daily, so read each posting carefully. Don't assume the language of the ad matches the language of the team.
The employers posting the most developer roles are Link Group (369 jobs), Upvanta (257), jobgether (226), and OfferZen (212). If you're applying to any of these, research their hiring patterns. They move fast and post often, which means they're either scaling hard or replacing people who didn't fit.
In your interview, expect this: 'Walk me through the last time you had to debug something that took you more than an hour. What was it, what did you try first, and what would you do differently?' Hiring managers ask this to see if you think systematically or just try random fixes. Have a real example ready with specifics.