Mid Software Engineer (Python)

Who we are:

At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match — in a fair and equitable way. With over 20 brands across 30+ countries, we strive for inclusive and unbiased hiring practices that welcome everyone, including underrepresented groups.

At our Tech Hub, located near Wilanowska Metro, we are a diverse community of 300+ specialists working on the development of our IT products. We are proud to be part of The Stepstone Group, a global expert in job-tech platforms and e-recruiting.

Join our team of 4,000+ employees and help us reshape the labour market — creating a world where all talents, voices, and perspectives are valued.

The job at a glance:

Join our team and you’ll be responsible for building and maintaining the backbone of our new technical platform. Working in the B2BCore department, you will contribute to the development of essential services such as authentication, authorization, user management, messaging, notifications, and payments that power our global job-tech ecosystem. This is so important to us. By joining our team, you will be playing a vital role as together we reimagine the labour market to make it work for everybody.

Your responsibilities:

• Design and develop backend systems using Python in a serverless (Lambda) environment
• Collaborate closely with diverse, cross-functional teams in an open and supportive atmosphere
• Implement and support microservice-based architecture
• Integrate with messaging systems such as Apache Kafka
• Work with cloud infrastructure, primarily on AWS, using Infrastructure as Code (Terraform)
• Contribute to system design practices including Event Storming, Story Mapping, and C4 modeling

Your skills and qualifications: (If you don’t meet 100% of the criteria below, we still encourage you to apply. We’re looking for potential and passion, not perfection.)

• 3+ years of experience as a backend developer with strong Python expertise
• Solid knowledge of architecture design patterns and clean coding principles (SOLID, DRY, KISS, GRASP)
• Experience with Domain-Driven Design (DDD), Test-Driven Development (TDD), and CI/CD practices
• Familiarity with microservices, serverless architecture (Lambda), and cloud platforms (preferably AWS)
• Experience with DynamoDB, Apache Kafka, and infrastructure automation tools (Terraform)

Nice to have:

• Familiarity with AppSync/GraphQL and Event Sourcing/Event Streaming
• Hands-on experience with monitoring and alerting tools like DataDog, Dynatrace, or OpenTelemetry
• Understanding of Behavior-Driven Development (BDD)
• Experience in project/system design processes
• A passion for learning and contributing to a team where different ideas are encouraged and celebrated

Benefits:

We’re a community here that cares as much about your life outside work as how you feel when you’re with us. Because your job shouldn’t take over your life, it should enrich it. Here are some of the benefits we offer:

• Medical and dental care
• Life insurance
• Benefit platform budget
• Employee Referral Programme
• Hackathons, Knowledge Sharing Hours
• In-house projects
• Events and integration parties
• Charity initiatives, 2 extra volunteer days
• English/German lessons
• Game room and chillout zone

Our commitment

Equal opportunities are important to us. We believe that diversity and inclusion at The Stepstone Group are critical to our success as a global company, so we want to recruit, develop, and keep the best talent. We encourage applications from everyone, regardless of background, gender identity, sexual orientation, disability status, ethnicity, belief, age, family or parental status, and any other characteristic.