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Open nowPosted 9 hours ago

Senior Data Engineer

CyberCube8 open roles

Pay
€5,800 – €6,700 a month
Where
Tallinn Office
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Your applicationOpen nowSenior Data EngineerCyberCube · Tallinn Office

  1. YouYes, apply to this one.

  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on CyberCube's own form.

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The clock on this job

Early applications get read.

8.1% of postings close within 7 days. Measured by our own scanner across the market. CyberCube postings stay open a median of 43 days.

Share of postings closed within
  1. 1.8%1 day
  2. 3.6%3 days
  3. 8.1%7 days
  4. 15.1%14 days
  5. 33.9%30 days
This job: posted 9 hours ago

CyberCube median: 43 days open

The posting

About CyberCube: https://www.cybcube.com/careers

CyberCube delivers the world's leading analytics to quantify digital risk, helping the largest global carriers, reinsurers and brokers understand, price and manage cyber risk in financial terms.

- AI at our foundation, cyber risk at our core. We don't just use AI, we shape it.

- Built on AI from day one. Artificial intelligence has been part of our strategy since the beginning, blended with deep cybersecurity and insurance expertise and backed by rigorous testing.

- Trusted by more than 100 clients, including 75% of the top 40 European and US cyber insurance carriers and 70% of the top ten reinsurance brokers.

- Backed for global growth. In 2025 Spectrum Equity joined some of CyberCube’s financial partners as a new cornerstone investor, accelerating our global growth and fueling innovation across our end-to-end cyber risk analytics for the insurance industry.

- A truly global team across San Francisco, New York, London, and Tallinn.

- A culture of collaboration, openness, intellectual rigor, and ownership for excellence.

- People at the forefront. We encourage CyberCubers to challenge themselves, push boundaries, and do the best work of their careers.

Most data platforms were built to feed dashboards. Ours has to feed dashboards, applications, and the AI agents we're building to let customers and our own teams dig into sensitive portfolio data far deeper than a dashboard allows — fast, governed, and auditable to the row.

We're hiring a Senior Data Platform Engineer to own the architecture of that layer. Everyone's talking about "AI-ready data infrastructure." This is the job where you actually build it.

What you'll own

- Data as a product: You'll set up contracts, versioning, docs, SLAs and self-service onboarding, so product teams can use the data access layer without asking us every time.

- Modelling & migration: You'll design schemas for both transactional and analytical access, and lead the move of existing datasets onto them.

- AI-facing interfaces: You'll build tool definitions, scoped permissions, metadata exposure and audit trails, so agents can query data safely.

- Agent vs. pipeline judgment: You'll decide where agentic automation helps and where a deterministic pipeline is the better choice, then build the tooling to match.

- Platform health: You'll improve scalability, reliability and cost across Spark, Iceberg, Airflow and AWS.

- Governance: You'll own lineage, quality checks and isolation for client-sensitive data, whether a person or an agent is reading it.

- People & direction: You'll write and review design docs and turn requirements into epics

Our stack

Python · GraphQL/Hasura · MySQL · Redis · Elasticsearch · Spark · Iceberg · Airflow · Redshift · AWS (S3, Glue, Lambda, RDS, Containers)

Why to join this team

- Real ownership. You set the technical direction across several teams, not just one backlog.

- AI work that ships. You'll build MCP servers, semantic layers and eval harnesses for production, not demos.

- Work that matters. Our analytics help the insurance industry understand and price cyber risk.

- Engineers who use the tools. Claude Code, Cursor and agentic workflows are part of how we work every day.

You'll thrive if you have

- Experience in data or backend engineering, with strong Python and production API experience

- Hands-on GraphQL design (Hasura is a bonus)

- Deep relational database skills on RDS MySQL/PostgreSQL or similar: schema design, indexing, tuning

- Experience with Airflow plus lakehouse tools (Spark, Iceberg, Redshift, Athena)

- A track record of authoring and reviewing system design documents

- Real experience applying AI to engineering or data work, and daily use of AI coding tools

Bonus points

- MCP servers or RAG pipelines

- Agent eval harnesses

- AI observability (tokens, latency, failure modes)

- LangGraph / Claude Agent SDK / OpenAI Agents SDK or your own orchestration

- Guardrails and prompt-injection defence

- Elasticsearch/OpenSearch

Why You'll Love it Here

- Play an instrumental role in reshaping one of the oldest industries in the world

- Learning and development assistance

- Vision and dental coverage

- Extra vacation days during winter holidays

- Flexible working hours and work-from-home option

- Company-supported mentorship and secondment programs

- Work abroad for up to 3 months with approval

AI Fluency at CyberCube

AI is reshaping how work gets done across every function. We value people who are curious about AI, eager to learn, and thoughtful about applying AI tools to work more effectively. AI fluency is part of how we assess every role in our hiring process.

Don't tick every box? Apply anyway.

Research shows the best candidates rarely match a job description point for point. If you're excited about this role and believe you could make an impact, we'd love to hear from you, even if your experience doesn't line up perfectly with everything listed above.

CyberCube Analytics, Inc. and CyberCube Analytics Europe Limited is an equal opportunity employer. We don’t tolerate discrimination against age, gender, gender identity, gender expression, sexual orientation, race, color, nationality, ethnicity, religion, disability, veteran status, protected genetic information or political affiliation.

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