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# Senior Backend Engineer

- **Company:** Clera
- **Location:** Berlin, Germany (Remote available)
- **Experience:** Expert
- **Salary:** €90,000.0 - €160,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Databases, Data Infrastructure, Open Source Technology, Query Optimization, Site Reliability Engineering Practices, Backend, Kubernetes, Low Latency, Vertica, Data Pipelines, Dynatrace, Docker
- **Published:** August 6, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=1dae599019be1d81

## About the Role

* Based in the EU and able to work EU timezones; willing to be in Berlin approximately one week per month
 * Legally authorized to work in the EU without company visa sponsorship
 * Hands-on experience with ClickHouse or other columnar/analytical databases - schema design, query optimization, and managing large-scale analytical workloads
 * Experience designing, building, and operating high-throughput data pipelines (streaming and/or batch) capable of processing terabytes of data per day
 * Production experience with observability and distributed tracing systems (metrics, logs, traces) for large-scale, low-latency services
 * Experience deploying and operating services with Docker and Kubernetes, and applying SRE practices such as capacity planning, incident response, and monitoring
 * Proven ability to take end-to-end ownership of backend/platform components and work autonomously in a small, fast-moving engineering team
 * 3+ years of backend or full-stack engineering experience

Nice to Have:

 * Experience contributing to or maintaining open-source projects - including PR reviews, issue triage, and community workflows
 * Background at companies working in AI/ML tooling, data infrastructure, or observability

## Description

* Own and optimize the ingestion pipeline: Work on throughput, latency, reliability, and cost efficiency across a high-volume data pipeline that flows from our API through to a ClickHouse-backed analytics store.
 * Make ClickHouse sing: Design and evolve schemas, write and tune complex analytical queries, and partner with ClickHouse engineers to push the limits of what's possible at petabyte scale.
 * Build backend abstractions: Create reusable, well-documented building blocks so that product engineers can ship data-heavy features without reinventing infrastructure each time.
 * Operate production systems: Run and improve cloud deployments across multiple production environments - handling capacity planning, incident response, and monitoring with SRE discipline.
 * Make self-hosting effortless: Maintain and improve deployment tooling from a single Docker Compose setup all the way to enterprise-grade Helm chart deployments on Kubernetes.
 * Contribute to open source: Everything you ship is public and immediately used by developers worldwide - participate in PR reviews, issue triage, and community engagement.


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