Software Engineering Intern
- Second Foundation
- Prague, Czechia
- CZK 350,000 – CZK 450,000
Curious about how software drives real-world systems like power plants and global electricity markets? As a Software Engineering Intern at SF, you’ll work alongside experienced developers building the platforms that power our algorithmic trading and control hundreds of energy assets. We build everything in-house, for ourselves, which means we move fast, stay focused, and give interns a real chance to learn and contribute.
What would you work on?
- Write and test code for our high-performance, low-latency trading software using Kotlin.
- Learn to build fast, reliable software.
- Get hands-on with multithreading and software optimization techniques.
- Pair with experienced engineers to understand best coding and development practices.
- Take on small projects with direct impact.
What makes you a great candidate?
- Currently pursuing a degree in Computer Science, Mathematics, Physics, or a related field.
- Comfortable coding in any C-family language (Kotlin, Java, C/C++ or C#).
- Good problem-solving skills and understanding of basic CS concepts, including algorithms and data structures.
- Eager to learn and ask questions.
- You are full of ideas and enjoy discussing them with others.
- Fully available onsite in the Summer of 2027 in Prague location.
What do we offer?
- Mentors who are absolute experts in what they do.
- Personalised guidance and support throughout the program.
- Real-world projects.
- A culture of intellectual curiosity in a collaborative environment.
- Brand new office in Prague city center – Masaryčka.
- High-end workstation.
- Sponsored lunch in the office. Every workday.
- Free snacks at the office.
- The opportunity to impress us now and earn your spot on the team after graduation!
Skills
- Kotlin
- Java
- C++
- Multithreading
- Algorithms
- Data Structures





