Junior Backed Developer (Graduate Program)

O projekcie: 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.  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 best programming practices. 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! Wymagania: - 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) and Polish. - Curiosity, passion for technology, and a strong motivation for continuous learning. Codzienne zadania: - 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