Junior Systems Developer - Financial Markets (Zug/Hybrid)

Swisslinx AG; Zug; On-site; CHF 90,000 - 120,000; Full time

Job summary

Swisslinx AG is hiring a Junior Developer for Financial Markets in Zug. You will join a highly technical team focused on core trading, data, and operational systems.

The role is hands-on and involves collaborating with experienced engineers to ensure reliable, scalable software. The position offers exposure to the real operations of a systematic investment environment, with a strong emphasis on code quality, testing, and deployment practices.

Qualifications

• Early career candidate with up to ~1 year of professional experience.
• Strong programming fundamentals and software design.
• Proficiency in at least one OO or low-level language (C#, C++, Java, Rust).
• Strong quantitative and analytical thinking.
• BSc/MSc in Computer Science, Engineering, Physics, Maths, or similar.
• Self-directed work style and clear communication.
• No prior finance knowledge required.

Responsibilities

• Develop and maintain core trading, data, and ops systems.
• Collaborate with engineers to design clean, efficient solutions.
• Participate in code reviews, testing, and deployment workflows.
• Contribute to performance improvements and reliability.

Skills

Programming fundamentals

OOP languages

C# / C++ / Java / Rust

Analytical thinking

Self-directed work

Clear communication

Education

BSc/MSc in STEM

Tools

Git

CI/CD

Code reviews

Job description

Swisslinx AG is hiring a Junior Developer for Financial Markets in Zug. You will join a highly technical team focused on core trading, data, and operational systems.

The role is hands-on and involves collaborating with experienced engineers to ensure reliable, scalable software. The position offers exposure to the real operations of a systematic investment environment, with a strong emphasis on code quality, testing, and deployment practices.