Senior Software Engineer II
StepStone Group · Warsaw, EUROPE, Poland · Hybrid
Posted Oct 6, 2026
Sign up free: we match you to jobs like this, tailor your application and fill the form. 2 free applications every day.
The job at a glance
 
Join our team and you’ll be responsible for providing technical leadership for our Data Platform team, defining technical direction and driving architectural decisions across data, platform and infrastructure domains.
Working in the Data Platform department you will build scalable, reliable and well-governed data platform capabilities that support analytics, AI and business-critical products, while collaborating closely with Engineering Managers, Product Managers and Enterprise Architects.
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
Define and evolve the technical vision, roadmap and architecture of the Data Platform, driving decisions across data, platform and infrastructure domains
Establish engineering standards, best practices and reusable patterns while partnering with Enterprise Architecture and influencing technical direction
Drive engineering excellence by improving code quality, testing, observability, reliability and operational practices
Support end-to-end delivery by guiding teams through complex technical challenges, improving decision-making, and contributing to planning and risk management
Mentor engineers, grow senior technical capabilities and champion AI-assisted development and engineering automation
Your skills and qualifications
Proven experience as a Senior Software Engineer or Senior Data Engineer or in an equivalent senior individual contributor role
Strong background in data platforms, distributed systems and cloud-native architectures, with experience shaping technical direction across teams and stakeholders
Solid expertise in relevant technologies such as AWS, Terraform, Kafka/MSK, Airflow, Glue or Spark, and building scalable data solutions
Experience with modern data ecosystems including data lakes/lakehouse architectures, Iceberg or similar table formats, as well as batch and streaming processing
Knowledge of data quality, governance, cataloguing and observability tools (e.g. Datadog), with DBT or AI-assisted engineering practices as a plus
 
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…