Senior Software Engineer (Data Platform)

Cerebras; Warszawa; On-site; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Premium medical and dental care

Life insurance

Flex Benefits

Employee Referral Program

Hackathons & knowledge sharing

Tech and sport communities

Events & integration parties

Volunteer days

Language classes

Game room & chillout zone

Job summary

The Stepstone Group is seeking a senior engineer to join the Data Platform team, designing, building and maintaining scalable data platform capabilities that power analytics, AI and business‑critical products.

Within the Data Platform department you will collaborate closely with Staff and Principal Engineers, Engineering Managers and Product Managers, owning components, driving quality and mentoring others while solving complex engineering challenges using AWS, Terraform, Airflow and related

Qualifications

• Proven experience as a Senior Engineer in data platform or platform engineering.
• Experience delivering end-to-end data solutions with cross‑functional teams.
• Hands-on with cloud and infrastructure technologies, especially AWS and Terraform.
• Strong knowledge of modern data platforms, processing technologies and data quality practices.

Responsibilities

• Design, build and own key Data Platform components, delivering scalable, production‑ready solutions.
• Write clean, well‑tested and observable code while promoting standards and patterns.
• Ensure quality, reliability and performance via reviews, testing and monitoring.
• Own end‑to‑end technical delivery and mentor less experienced engineers.
• Leverage AI-assisted development tools and automation to boost productivity.

Skills

Data Platform

Platform Engineering

AWS

Terraform

Kafka/MSK

Airflow

Spark

Data Lakes

Lakehouse

Datadog

DBT

Tools

Airflow

Kafka/MSK

Spark

Datadog

DBT

Job description

Company Description

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.

Job Description

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 business-critical products.

Working in the Data Platform department, you will collaborate closely with Staff and Principal Engineers, Engineering Managers and Product Managers. 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.

Your responsibilities

• Design, build and own key Data Platform components, making sound architectural decisions and delivering scalable, production‑ready solutions.
• Write clean, well‑tested and observable code while driving engineering standards, best practices and reusable patterns across the team.
• 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.
• Leverage and promote AI‑assisted development tools and engineering automation practices to improve productivity, code quality and team efficiency.

Qualifications

Your skills and qualifications

• Proven experience as a Senior Engineer (or equivalent) with a strong track record in data platform or platform engineering and delivering complex solutions end‑to‑end.
• Demonstrated ability to work effectively with cross‑functional teams, including Product, Analytics and Infrastructure, while driving engineering quality, reliability and delivery excellence.
• Hands‑on experience with cloud and infrastructure technologies, particularly AWS and Terraform.
• Strong expertise in modern data platforms and processing technologies, including Kafka/Amazon MSK, Apache Airflow, AWS Glue, Apache Spark, Data Lakes, Lakehouse architectures and Apache Iceberg.
• Knowledge of data quality, governance, cataloguing, observability (e.g. Datadog), batch and streaming processing, with DBT considered a plus.

Additional Information

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.