Big Data Engineer (Mid)

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 fair and unbiased hiring, and we are particularly focused on building a diverse, inclusive workforce.

At our Tech Hub, located near Wilanowska Metro, we are over 300 passionate and driven specialists who work on the development of our IT products. We are proud to be part of The Stepstone Group, a global leader in job-tech platforms and e-recruiting.

Join our team of 4,000+ employees and help us reshape the labour market. Together, we will create a future where everyone—regardless of background—has equal opportunities in the job market.

As a Big Data Engineer and AI Enthusiast, you will join the Marketplace Enablement department, working in a supportive, cross-functional team to design and implement LLM-based services and data products that power our recruitment applications.

Your expertise will help us build a more inclusive, fair, and efficient recruitment experience globally, directly supporting our mission to reshape the labor market for everyone. We value collaboration, empathy, and innovation. You’ll have a strong sense of ownership while working in a team that supports one another and encourages shared success.

Your Responsibilities

• Build big data products and AI-powered tools that promote fair, ethical, and inclusive hiring practices.

• Write clean, maintainable code and apply best practices such as automated testing and CI/CD.

• Manage and optimize complex ETL processes and data orchestration workflows.

• Continuously evaluate and scale our data infrastructure, while advocating for innovative and responsible technologies.

• Collaborate within an international, agile, cross-functional team, fostering mutual learning and respect.

• Contribute to building an inclusive team culture where diverse perspectives are welcomed and every voice is heard.

• Participate in shared decision-making and contribute to a psychologically safe and supportive environment.

Your Skills & Qualifications

• Strong communication skills in spoken and written English.

• Passion for using data and AI to address real-world challenges and create positive societal impact.

• 2+ years of professional experience in Big Data Engineering.

• Proficiency in Python for building large-scale data and backend applications.

• Experience with cloud services, ideally AWS (e.g., EMR, Glue, ECS with Docker, Redshift, DynamoDB, S3).

• Familiarity with Infrastructure as Code tools such as Terraform, and frameworks like FastAPI.

• Experience with Apache Kafka (MSK) for real-time data ingestion is a plus.

Even if you don't meet every single qualification, we’d still love to hear from you. We value potential, curiosity, and the ability to learn over perfection.

We believe in supporting our team members both inside and outside the office. We strive to ensure that your job enriches your life. Here are just 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, including 2 extra volunteer days

• English/German language classes

• A supportive and inclusive workplace that promotes professional and personal growth for everyone

• Flexible working hours and hybrid work model to support work–life balance.

Our commitment

At The Stepstone Group, diversity and inclusion are key to our success. We encourage applications from everyone, regardless of gender identity, sexual orientation, disability status, ethnicity, belief, age, family or parental status, or any other characteristic. We are particularly passionate about attracting more women into tech and leadership roles and provide an environment that supports your growth. We offer mentoring and support networks to help women and underrepresented colleagues grow into senior and leadership roles.