Junior Backend Developer (Graduate Program)
Columbus Poland
⚲ Wrocław
8 000 - 10 000 PLN brutto (UoP)
Wymagania
- Java or .NET or Node.js
- SQL databases
- NoSQL Databases
- API Design
- REST
- Git
- AI Tools
Opis stanowiska
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!