C++ Software Engineer

IMC Trading; Denmark; On-site; DKK 700,000 - 1,100,000; Full time

Job summary

IMC is building a new Energy Trading business in Aarhus, Denmark, seeking Software Engineers to join and grow this venture. You will build a full tech stack for power and gas trading, including exchange connectivity and trading systems, and work with traders and quants.

Requirements: 3+ years as a software engineer; strong C++ or Rust; Python/Java a plus; solid CS or quantitative degree; fluent English. This role offers a fast-paced startup environment with immediate production impact.

Qualifications

• 3+ years of professional experience as a software engineer.
• Strong academic background in computer science or a quantitative field.
• Fluency in English.
• Experience in European energy trading is a plus.

Responsibilities

• Build a full technology stack for power and gas trading, including exchange connectivity, trading systems, data analysis, and pricing.
• Maintain and improve the tech stack in collaboration with trading.
• Train new joiners and onboard junior engineers.
• Collaborate with traders and quants to develop trading strategies.

Skills

Software engineering

Quantitative mindset

Education

Bachelor's degree in Computer Science or quantitative field

Tools

C++

Rust

Python

Java

Job description

IMC is building a new Energy Trading business in Aarhus, Denmark, the hub for power and gas trading in Europe. Backed by one of the world’s most successful trading firms, this new venture combines the energy and autonomy of a startup with the global reach, stability, and expertise of IMC’s 30+ years in trading.

We are building a strong, independent Aarhus-based team with local leadership, supported by IMC’s world-class technology, quantitative research, and trading infrastructure. To achieve our ambitious hiring goals, we are seeking strong Software Engineers to join the team and play a pivotal role in helping us grow this new business.

Your Core Responsibilities:

• Build, as part of a team, a full technology stack that supports power and gas trading, including exchange connectivity, trading systems, trading strategies, data analysis, and pricing. We are looking for strong developers that specialize in back-end, algorithms, trading systems, execution systems or other relevant domains

• Maintain and improve the tech stack in collaboration with trading

• Train new joiners

Your Skills and Experience:

• Strong academic background, preferably in computer science or a quantitative field

• 3+ years of professional experience as a software engineer

• Strong programming skills in C++ or comparable (eg. Rust). Experience with other relevant programming languages such as Python or Java is a plus

• Experience in European energy trading industry is a plus

• Fluency in English

Your Impact:

• Operate in a fast-paced start-up environment and on a wide variety of systems, platforms, and tools

• Take on greenfield projects allowing for full ownership of the applications you build

• Develop code that hits production the next day and drives trading decision-making immediately

• Collaborate with traders and quants directly to develop winning trading strategies

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.