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Offer summary
(Summary generated by AI based on the full job description)
The project involves designing and maintaining a scalable data platform supporting analytics, AI, and data-driven products across various business domains. Key technologies include Python, Java, Scala, AWS, Terraform, Kafka, Apache Airflow, Apache Spark, AWS Glue, Data Lakes, Lakehouse, Apache Iceberg. Responsibilities cover designing, developing, and managing platform components, ensuring quality and performance, cross-team collaboration, and mentoring. Benefits include premium medical care, life insurance, sports and language benefits.
Senior Software Engineer - Data Platform
Company: The Stepstone Group Polska sp. z o.o.
from: 13 August 2026
to: 12 September 2026
80 - 150 złnet (+ VAT)/ hr.B2B contract (full-time)
15 000 - 22 000 złgross/ mth.contract of employment
Salary details
basic salary
Offer parameters
level:senior
working mode:hybrid
Warszawa, Mokotów
Requirements
Expected technologies
Java
AWS
Terraform
Kafka
Apache Airflow
Apache Spark
AWS Glue
Apache Iceberg
Datadog
DBT
Optional technologies
Python
Kafka
AWS
Scala
Operating system
Windows
macOS
Our requirements
- Proven experience as a Senior Engineer (or equivalent) with a strong track record of designing, building and operating large-scale software or data platform solutions.
- Strong software engineering fundamentals and hands-on coding experience, with deep expertise in at least one programming language and the willingness to work across multiple technologies when required.
- Hands-on experience with cloud and infrastructure technologies, particularly AWS and Terraform.
- Experience with modern data platform technologies, including Kafka/Amazon MSK, Apache Airflow, Apache Spark, AWS Glue, Data Lakes, Lakehouse architectures and Apache Iceberg.
- Knowledge of data quality, governance, observability, batch and streaming processing, with experience in tools such as Datadog and DBT considered a plus.
Optional
- 👉 You don’t need to meet every requirement to apply — we’re happy to support your growth in areas that are new to you.
Your responsibilities
- Design, build and own key Data Platform components, making sound architectural decisions and delivering scalable, production-ready solutions.
- Build and evolve self-service platform capabilities that enable internal teams to efficiently produce, process and consume data.
- Ensure high levels of quality, reliability and performance through code reviews, testing, monitoring and proactive management of technical debt.
- Own technical delivery end-to-end, collaborating with cross-functional teams, contributing to planning and risk management, and supporting less experienced engineers through mentoring and knowledge sharing.
- Use modern engineering tooling, including AI-assisted development solutions and automation practices, to improve delivery speed, code quality and developer experience.
About the project
The job at a glance
Join our team and you’ll be a key technical contributor within our Data Platform team, designing, building and maintaining scalable, reliable and well-governed data platform capabilities that power analytics, AI and data-driven products used across multiple Stepstone markets and business domains.
Working in the Data Platform department, you will collaborate closely with Staff and Principal Engineers, Engineering Managers and Product Managers. Our customers are internal engineering, analytics and product teams across Stepstone, and your work will enable them to build, deploy and operate data-driven solutions at scale.
This is a software engineering role first and foremost. While our platform is built using technologies such as Python, Java and Scala, we are looking for engineers who specialize in at least one of them and are comfortable learning and contributing across the stack when needed. We value a software engineering mindset over attachment to a specific language.
You will take ownership of significant platform components, drive technical quality within your squad and help grow the engineering capability of those around you.
This is a hands-on role. You will spend most of your time writing code, designing systems, reviewing peers’ work and solving complex engineering challenges.
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.
This is how we organize our work
This is how we work
in houseyou develop several projects simultaneouslyyou have influence on the choice of tools and technologiesyou have influence on the technological solutions appliedagilescrumkanban
Team members
backend developerproduct ownerproject manager
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.y other characteristic.
What 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
Development opportunities we offer
- conferences abroad
- conferences in Poland
- development budget
- external training
- intracompany training
- mentoring
- substantive support from technological leaders
- support of IT events
- technical knowledge exchange within the company
- time for development of your ideas
Benefits
- sharing the costs of sports activities
- private medical care
- sharing the costs of foreign language classes
- life insurance
- corporate products and services at discounted prices
- integration events
- dental care
Recruitment stages
- 1.Etap wstępny
- 2.Rozmowa techniczna
- 3.Rozmowa finalna
The Stepstone Group Polska sp. z o.o.
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 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.
Senior Software Engineer - Data Platform
15k–22k zł / mth. (CoE), 80–150 zł / hr. (B2B)
I apply to:
The Stepstone Group Polska sp. z o.o.
Warszawa, Mokotów
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