We are looking for an experienced Senior .NET Software Engineer to join our technology team and play a key role in the development and optimisation of our trading platform. This is a hands-on position where you’ll work across backend services and back-office applications, contributing to high-quality, high-performance enterprise software in a regulated trading environment.
Develop, optimise, and quality-assure back-office front-end applications
Independently implement technical specifications in close collaboration with colleagues
Support ongoing operations, including monitoring, troubleshooting, and issue resolution
Professional Requirements
Excellent knowledge of NET and C#
Extensive experience developing professional enterprise software
Personal Qualities
Comfortable working independently and taking ownership
Strong initiative, responsibility, and dedication
Team-oriented mindset with a proactive approach
Enthusiastic, motivated, and eager to learn
Excellent German and good English language skills
Familiarity with CI/CD tools (Azure DevOps) and unit testing frameworks
Experience with SQL Server, Python, or PowerShell
Background in building high-performance server applications (multithreading, profiling)
Front-end development experience with WinForms (DevExpress)
Experience working in agile environments (Scrum)
Knowledge of banking, stock exchange, or trading systems
Performance-based bonus
Company pension scheme and company life insurance
Phantom share participation
Restaurant vouchers (€8 per working day)
28 days annual leave plus an additional day off on your birthday
Free coffee, fruit, and drinks
If you’re passionate about building robust, high-performance software and want to work in a technically challenging trading environment, we’d love to hear from you.
CMC Markets is a global provider of online trading and investment services, with a comprehensive retail, professional and institutional offering. Established in 1989, we're headquartered in the City of London, with regional hubs in Australia, Bermuda, Canada, Germany, Singapore, and the United Arab Emirates. The company is listed on the LSE under the ticker CMCX and is a constituent of the FTSE 250 index.
Around the world, more than 1.5 million customers trade and invest with us*. Clients use our proprietary, award-winning online trading platforms and mobile apps**, plus MT4 and TradingView, to trade on thousands of financial instruments via spread bets (UK & Ireland only), contracts for difference (CFDs), and options. We offer transparent and competitive pricing, fast execution, and dedicated 24/5 customer service.
*1.621 million unique user logins for our invest and CFD platforms globally (August 2024).
**Best Mobile Trading Platform & Best Spread Betting & CFD Education Tools, ADVFN International Financial Awards 2025; No.1 for Commissions & Fees, No.1 Most Currency Pairs, Best-in-class for Overall Excellence, Mobile Trading App, Platform & Tools & Research, ForexBrokers.com Awards 2025.
Disclaimer: Spread bets and CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 67% of retail investor accounts lose money when spread betting and/or trading CFDs with this provider. You should consider whether you understand how spread bets, CFDs, OTC options or any of our other products work and whether you can afford to take the high risk of losing your money.
Professional clients: Countdowns carry risk to any capital invested. These products are not suitable for all investors. CMC does not endorse, control or take responsibility for any third party content on or linked to this account. Nothing in this material is (or should be considered to be) financial, investment or other advice on which reliance should be placed.
