Fullstack Kafka Engineer - Open-Source, End-to-End Impact

Aiven; Helsinki; Hybrid; EUR 85,000 - 120,000; Full time

Benefits offered by this job

Equity plan

Hybrid work policy

Equipment provided

PD budget

Wellbeing support

Time Off policy

Country-specific benefits

Job summary

Aiven is seeking a Fullstack Software Engineer to join the Kafka Ecosystem team in Helsinki. You will build end-to-end features with Python in orchestration of managed Apache Kafka services across clouds, contribute to Karapace, and develop React interfaces that users interact with.

Your focus will be Python, spanning API design to the UI. You will extend Karapace, maintain connectors, review designs, and ship code via CI/CD.

Qualifications

• Strong Python skills with async/await, type annotations and tests.
• Experience contributing to React/TypeScript UI from backend features.
• Understanding of distributed systems and data consistency.

Responsibilities

• Extend and maintain Karapace: schema compatibility, REST Proxy features, OpenAPI coverage.
• Keep connectors up to date and secure: Debezium, JDBC, S3, BigQuery, OpenSearch sink.
• Collaborate on design reviews, write well-tested code, and shape technical direction.
• Ship code through CI/CD (Buildkite, GitHub Actions).
• Investigate production issues across stack and OS level.

Skills

Python (Async)

React/TypeScript

Distributed systems

API design

Linux basics

English fluency

Tools

Karapace

Confluent Kafka

AWS/GCP/Azure

CI/CD

Job description

Aiven is seeking a Fullstack Software Engineer to join the Kafka Ecosystem team in Helsinki. You will build end-to-end features with Python in orchestration of managed Apache Kafka services across clouds, contribute to Karapace, and develop React interfaces that users interact with.

Your focus will be Python, spanning API design to the UI. You will extend Karapace, maintain connectors, review designs, and ship code via CI/CD.