Starting your Backend journey and looking for a place where you will learn good programming practices? Do you want to work with senior colleagues who take time to share their knowledge with you? Are you into solving challenging programming tasks? Look no further!

Junior Backend Developer

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

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

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) and Polish.

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.

Why join Columbus?

People always come first at Columbus. We’re a global digital consultancy with a local presence, helping businesses transform and thrive through technology, data, and human insight. Just as importantly, we’re a workplace where careers are nurtured and development is supported through clear, structured career paths.

Our culture is built on trust, collaboration, curiosity, and a shared commitment to delivering customer success. Whether you're an experienced professional or just starting out, you’ll find the freedom to explore ideas, challenge convention, and shape your own path.

With over 1,500 colleagues across more than 10 countries, we bring global perspectives and local understanding. What unites us is our belief in creating meaningful impact - for our people, our customers, and the journey ahead.

Let’s thrive, grow, and shape the future together. Take a look at our Instagram account to meet our colleagues and get a glimpse behind the scenes of life at Columbus.

Junior Backend Developer

6‑month Graduate Program