Senior Data Platform Engineer (Kafka)

Location: Berlin, Germany or Helsinki, Finland. Flexible hybrid workplace with 3 days per week in the office.

Company

hirify.global is an AI-powered advertising technology company building a platform that helps brands create, manage, optimize, and understand digital advertising across major media platforms.

What you will do

• Design and build platform services, tools, and workflows for contract-driven data publishing and consumption.
• Build the production path for PostgreSQL publishing tables, Debezium CDC, Kafka topics, and DataHub catalog registration.
• Create GitOps-style workflows that validate and reconcile contracts, schemas, ownership, lifecycle, compatibility, policies, and runtime state as code.
• Develop tooling that gives product engineers fast feedback before publishing or changing data products.
• Operate and improve CDC runtimes, including Kubernetes workloads, isolation, offsets, schema history, lag visibility, replay, resnapshotting, and recovery.
• Work with product, infrastructure, data engineering, analytics, and AI/ML teams to establish safer, reusable data-sharing patterns.

Requirements

• Strong experience building and operating production software systems in platform, infrastructure, backend, or data-intensive environments.
• Deep understanding of distributed-systems trade-offs, including reliability, idempotency, replay, eventual consistency, compatibility, and operational failure modes.
• Practical experience with PostgreSQL or other relational databases, including schema design, migrations, transactions, replication, or operational performance.
• Experience with Kafka, event streaming, CDC, Debezium, or adjacent data-movement technologies.
• Experience building tools used by other engineers, such as CLIs, internal platforms, control planes, automation, CI validation, or self-service workflows.
• Familiarity with Kubernetes and cloud or infrastructure platforms, plus clear written and spoken English for cross-team alignment.

Nice to have

• Experience with DataHub or other data catalog, lineage, and governance systems.
• Knowledge of Apache Iceberg, S3, BigQuery, ClickHouse, or other analytical storage systems.
• Experience with GitHub Actions, policy-as-code, infrastructure-as-code, controllers, operators, or reconciliation-based systems.
• Experience with data contracts, schema registries, Protobuf, Avro, JSON Schema, compatibility checking, or contract testing.
• Experience with JVM languages, Python, TypeScript, Go, or Ruby.

Culture & Benefits

• Inclusive global culture based on trust, transparency, open feedback, and respect.
• Work on advertising technology used by major brands and media platforms worldwide.
• Wellbeing support, paid holidays, family leave, and sustainable ways of working.
• Equity options, performance-based rewards, competitive compensation, and career development opportunities.