Senior Software Engineer

Company Description

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 fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring.

At our Tech Hub, located near Wilanowska Metro, we are here as more than 300 ambitious specialists who work 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 be part of reshaping the labour market and becoming the world’s leading job-tech platform.

Join our team and you’ll be responsible for designing and building the core backend systems that power our job-tech ecosystem. You will work in an environment that values clean architecture, scalable solutions, and modern technologies. Depending on your expertise and interests, you may contribute to areas such as user management, core platform services, or data pipelines.

Working in the Data Products domain, your main focus will be on Java-based backend development, while Python experience will be considered a strong plus — especially for work involving serverless components or data services.

You will play a vital role as we reimagine the labour market to make it work for everybody.

Your responsibilities

• Design and develop innovative backend systems using Java (Spring, Spring Boot), and work closely with cross-functional international teams in an open and supportive environment
• Implement and maintain microservice-based architecture, integrating with messaging systems like Apache Kafka, and use AWS and Infrastructure as Code tools (Terraform) to ensure reliability and scalability
• Lead and inspire. You will take part in technical discussions, contribute to system design (Event Storming, C4 modeling), and mentor less experienced colleagues
• Apply Test-Driven Development (TDD) and best practices to deliver performant, well-tested, and maintainable code, and collaborate with QA and Dev Ops, using tools like Git, Bamboo, and Terraform for smooth delivery
• Contribute to or maintain Python-based microservices or serverless components (AWS Lambda)

• 5+ years of experience as a backend developer, with strong expertise in Java (Spring, Spring Boot, REST APIs, Microservices)
• Solid understanding of software architecture, design patterns, and clean coding principles (SOLID, DRY, KISS, GRASP), and hands-on experience with Domain-Driven Design (DDD) and Test-Driven Development (TDD)
• Experience with microservice architectures and cloud environments (AWS preferred).
• Familiarity with messaging systems (e.g., Apache Kafka)
• Nice to have:
  Practical experience with Python, especially in serverless environments (AWS Lambda) or data processing pipelines

Software/Hardware

• Mac/Dell laptop
• Windows/macOS system
• 2 monitors (24",27",32")
• Adjustable desks
• Slack+Teams
• Atlassian tools
• JIRA, Confluence

Your 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:

• Premium medical and dental care
• Life insurance
• Flex Benefits - Worksmile Cafeteria System (Multisport, vouchers, tickets etc.)
• Employee Referral Program
• Hackathons, Knowledge Sharing Hours, In-house projects
• Tech and sport communities
• Events and integration parties
• Charity initiatives, 2 extra volunteer days
• English/German classes
• 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.