Backend Developer

ABOUT THE TEAM

Join our Advertising Ad Server and Ecosystems team as a Backend Developer, where you'll play a central role in building the foundation for our advertising ecosystem across the Nordic marketplaces—including FINN.no, Blocket.se, Tori.fi, DBA.dk, Bilbasen.dk, Bytbil.se, and Oikotie.fi. You'll work on innovative solutions that streamline ad tech and help ad operations, collaborating with the product manager to find the best solutions. We foster a collaborative and inclusive environment, valuing every team member's contributions and encouraging active participation in innovation and product development.

ABOUT THE ROLE

• Develop Scalable Services: Design, build, and maintain backend services that serve the foundation for advertising, targeting, reporting, and personalised ad generation.
• Integrate Systems: Ensure seamless integration of backend systems with existing infrastructure and third-party platforms, focusing on performance and scalability.
• Code Quality and Reviews: Participate in code reviews and technical discussions, promoting best practices and high-quality code standards, and doing continuous refactorings to keep the code base up to date.
• Technical Alignment: Engage in design meetings to ensure alignment between technical solutions and business objectives.

ABOUT YOU:

• Solid knowledge about Kotlin/ Java or similar object oriented programming 
• Familiarity with concurrent programming.
• Familiarity with containerization.

NICE TO HAVE:

• CI/CD Familiarity: Comfortable with continuous integration and deployment tools, such as GitHub Actions.
• Cross-Functional Collaboration: Experience with working effectively within diverse teams and communicating with stakeholders from various backgrounds.
• Security and Documentation: Understanding of security best practices, data protection, and API documentation standards like OpenAPI/Swagger.
• Database Skills: Proficient with relational databases like PostgreSQL; experience with data processing and API development.
• Advertising Domain Knowledge: Experience in the advertising industry or with automation systems is advantageous but not a must.

PERSONAL ATTRIBUTES:

• Curiosity: Eagerness and motivation to learn the domain and the business.
• Courage: Courage to reach out and ask questions to team members and collaborators.
• Team spirit, Collaborative and Inclusive: You value teamwork and believe that diverse perspectives enhance innovation. You're committed to creating an environment where everyone feels respected and heard.
• Innovative Mindset: Curious and open-minded, you're always looking for new ways to solve problems and improve processes.
• Proactive Problem Solver: You take initiative to identify issues and are resourceful in finding effective solutions.
• Continuous Learner: Dedicated to personal and professional development, you're always seeking to expand your skills and knowledge.

We work in a hybrid way and would like to catch up with you at our vibrant and colourful office in Kraków 2 days per week. This allows for collaboration and meaningful connections with the team. If you’re not the working-from-home kind of person, you are of course welcome in our office every day!

🎯 BENEFITS

🔹 Yearly bonus (STI - Short Term Incentive) up to 18% according to seniority level

🔹 Tax-deductible costs of 50% for IT creators

🔹 Training budget of 4000 PLN per year that can be used for books, conferences, online courses, you name it

🔹 Home office supplement 3000 PLN of financial support to make your WFH more enjoyable and healthy

🔹 Social package 500 benefit points (1 point = 1zł) transferrable to tickets, multisport, medical care, or a prepaid card

🔹 4 extra days off. We’re not minimalists. That’s why you get 4 days more than Polish law requires

🔹 In-house trainings for improving your business, tech & soft skills during working hours

• Tech Jump - a mentoring program for learning completely new frameworks and programming languages 
• School of leadership competencies - training for employees aspiring to become leaders
• Leaders Academy - training for leaders developing their competencies

🔹 Mental health support. 

• Voucher for 3 online sessions with a professional therapist 
• Series of mental health-oriented webinars

🔹 Flexibility. Sometimes you need to do your stuff and start a day later thanks to flexible working hours

🔹 Top-notch equipment. Most modern stuff with macOS or Windows on board & mobile with either Android or iOS