Performance Engineer
- Level
- Mid
Not stated in the posting: salary, work type, visa.
Open. First seen 2 October 2026.
About the role
Technology is at the heart of modern electronic trading. IMC is seeking highly driven individuals to apply quantitative research techniques and practical experimentation to the technology used by exchanges, connectivity providers, and our own systems. You will develop new strategies to outpace other market participants in the highly competitive world of ultra-low-latency trading.
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 cross-functional teams, 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 systems using black-box techniques, identifying performance bottlenecks and optimisation opportunities. Designing and performing statistical experiments to explain emergent real world phenomena.
- Quantitative research: use large datasets to understand exchange technology.
- Experimentation & Prototyping: Design, implement, and test innovative ideas, experiments and technologies. Develop quick internal prototypes to evaluate performance and real-world applicability.
- 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 to identify patterns, validate hypotheses, and optimise system performance.
Your Skills and Experience:
- Proficient understanding of computer internals, networking and Linux (at least two out of three). Skilled in reverse engineering techniques.
- Inquisitive mind. Think Sherlock Holmes and the case of the missing microsecond.
- Understanding of complex, bespoke networks and networking stacks.
- Experience with data and system analysis in Python
- Be able to work self-sufficiently with minimal guidance after internal training
- Capable of working autonomously while contributing to a multidisciplinary team. Always looking for ways to gain an edge.
IMC's standard text
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.
What this role asks for
In most of IMC's ads
Machine Learning · Python
Named in most of its open postings, whatever the role.
77% of this description is written for the role. The rest is IMC's standard text, folded away below.
Read against IMC's other open postings on this site.
The team: Development (Group) HIRES STEADILY
This role is one of 37 open in Development (Group). 5 were posted in the last 30 days and the oldest in July: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Machine Learning (37 of 37), Python (27 of 37), C++ (22 of 37), Java (17 of 37), Linux (10 of 37), Kubernetes (9 of 37), Docker (7 of 37)
OTHER ROLES ON THIS TEAM
- Software Engineer (Java) - Research Data Platform posted Oct 14
- Machine Learning Engineer Intern - Summer 2027 posted Oct 8
- Software Engineer, Early Career posted Sep 30
- Verification Engineer posted Sep 25
- Hardware Machine Learning PhD Research Internship posted Sep 23
- Software Engineer (Java) - Global Research Platform posted Sep 16
- Graduate Hardware Engineer posted Sep 14
- Performance Engineer posted Sep 10
- Quant Performance Engineer Intern - Summer 2027 posted Aug 27
- Quant Performance Engineer posted Aug 27
- Systems Engineer - AI Safety and Tooling posted Aug 26
- Software Engineer - Development Platform posted Aug 26
- Software Engineer – Application Platform posted Aug 14
- Software Engineer Intern 2027 posted Aug 12
- C++ Software Engineer, Early Careers posted Aug 5
- Graduate Software Engineer (2027) posted Jul 31
- C++ Software Engineer posted Jul 20
- Software Engineer - Risk Technology posted Jul 17
- Software Engineer Intern - Summer 2027 posted Jul 1
- Graduate Software Engineer posted Jul 1
- Graduate Hardware Engineer posted Jul 1
- Machine Learning Engineer posted Jun 26
- Hardware Engineer posted Jun 24
- Quantitative Developer - Python posted May 29
- Software Engineer Intern posted May 7
- Java Software Engineer posted May 4
- Data Platform Operations Engineer – Performance posted Apr 8
- Java Software Engineer (Power/Gas) posted Apr 2
- C++ Software Engineer posted Mar 18
- C++ Software Engineer posted Jan 19
- Software Engineer – AI Powered Engineering posted Sep 26
- C++ Software Engineer posted Sep 12
- Graduate Software Engineer (2026) posted Aug 27
- Python Software Engineer posted Jul 9
- Machine Learning Engineer posted Apr 1
- Quant Developer DeFi - Digital Assets posted Jul 24
From the team and dates on IMC's own job board.
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