Junior Backend Developer (Graduate Program)

At Columbus, we don’t just implement technology - we give it a human dimension. As a global consultancy, we help organizations create real business value through digital transformation. In Poland, our Digital Commerce team designs and builds modern e-commerce platforms for our Scandinavian customers, providing the technology capabilities and engineering excellence. 

Location: Wrocław (4 days per week at the office) 

Start Date: July 2026 (6-month program, full-time) 

What You'll learn with us 

This is more than a junior role - it’s a 6-month structured Graduate Program designed to give you real skills and experience in IT. Under the guidance of experienced developers, you will learn how to: 

• Build backend applications for modern web and e-commerce platforms (.NET, Java, Typescript or Node.js)  

• Design and develop REST APIs and handle server-client communication  

• Work with databases (SQL and NoSQL) and understand data modelling basics  

• Build secure, scalable, and performant backend solutions  

• Develop AI-enabled features and use AI tools to improve development workflow  

• Collaborate with frontend developers, QA, product managers, and AI specialists 

• Gain practical knowledge of cloud platforms, deployments, and environments 

What we’re looking for 

• Solid understanding of backend development fundamentals, regardless of formal education background. 

• Basic knowledge of object-oriented programming concepts and good engineering practices  

• General knowledge of backend technologies, with hands-on experience or learning exposure to at least one of the following ecosystems: .NET, Java or Node.js 

• Openness to working with various backend technologies and readiness to quickly learn and adapt to new languages, frameworks, and tools based on project and team needs. 

• Understanding of API design and server-client communication (REST). 

• Basic knowledge of SQL databases (e.g. relational concepts, queries, transactions) and NoSQL databases (e.g. document or key-value stores, use cases) 

• Familiarity with Git 

• Basic awareness of cloud concepts, such as deployments, environments, configuration, and scalability. 

• Ability to use AI tools to support backend development (e.g. code generation, refactoring, debugging, log analysis). 

• Engineering mindset with strong problem-solving and analytical skills. 

• Very good English communication skills (at least B2 level). 

• Curiosity, passion for technology, and a strong motivation for continuous learning. 

What's in it for You 

First and foremost - you’ll build, learn, ask, try, fail, improve - and actually grow with us. Additionally, we offer: 

• Competitive compensation from day one: 8 000 – 10 000 PLN gross/month (Employment Contract).  

• Practical e-commerce experience with AI-driven development. 

• Participation in Columbus global accelerator network: you'll join online training sessions and a 3-day trip to our HQ in Ballerup, Denmark to meet other accelerators from around the world!  

• 2 500 PLN for personal development budget 

• Great benefits package, including the MyBenefit platform (e.g., Multisport, cinema tickets, vouchers), Luxmed, and life insurance. 

• Opportunity to participate in company events, weekly team lunches, and fun team-building activities. 

We believe great teams are built by people with different perspectives and experiences. If you have a solid foundation and motivation to learn, we encourage you to apply!