Data Engineering Tech Lead (Kafka, AWS)

About the role

Aviva is hiring a Data Engineering Tech Lead for its Services Excellence Centre in Warsaw. You will lead a cross-functional engineering team in building a cloud-native Operational Data Store (ODS) platform, taking ownership of technical delivery and guiding developers to build scalable, event-driven data pipelines and microservices.

Key responsibilities

• Lead and mentor a team of data and backend engineers, break down architecture into clear tasks and designs, review code and act as the technical escalation point
• Guide the development of Kafka / MSK streaming pipelines, AWS Glue ETL jobs (Python/PySpark) and containerised microservices (ECS, Spring Boot / Python)
• Ensure delivery of scalable, resilient systems and drive CI/CD, testing and observability standards
• Implement end-to-end ODS data flows, apply event-driven and API-based integration patterns and enforce config-driven approaches (e.g. YAML mapping)
• Contribute to the golden path for domain onboarding

Required profile

• 5+ years of relevant professional experience
• Proven expertise in Kafka and event-driven architectures (MSK preferred) and the AWS data stack (Glue, S3, ECS, Postgres/Aurora)
• Experience building scalable data ingestion, processing and movement solutions
• Solid understanding of ODS, data modelling and transformation patterns, and integration patterns (API, event streaming, CDC)
• Experience in large-scale transformation programmes

Required skills

• SQL and data modelling
• Java, Python or another modern programming language
• Strong problem-solving, communication and stakeholder management skills

What we offer

• Contract of employment and performance bonus
• Private medical care, cafeteria-style benefits and employer-funded group insurance
• Parental leave for the second parent, extra days off for birthdays and volunteering, and additional leave after 10 years of service
• Wellbeing leave, psychological support, e-learning access and an internal referral programme
• Hybrid working from Poland with a few days in the Warsaw office per month