Senior Analytics Engineer
Siena Partnership
Senior Analytics Engineer – PE Backed Financial Technology Organisation
Predominantly remote | Occasional London attendance
We are supporting a leading PE backed financial technology and data-led organisation that is investing significantly in its modern analytics capability.
The organisation is looking for an experienced Analytics Engineer who can take genuine end-to-end ownership from understanding complex source data and resolving quality issues through to building robust data models and delivering polished reporting products for senior stakeholders.
This is a highly visible position offering significant autonomy. It would suit someone who combines strong analytics-engineering fundamentals with excellent dashboard-development and stakeholder-management skills.
Key responsibilities
- Work directly with senior business stakeholders to understand reporting and analytical requirements.
- Investigate underlying data and resolve quality, consistency and reconciliation issues.
- Build and maintain reliable production data models using dbt and Snowflake.
- Design dimensional models with clearly defined facts, dimensions, grain, relationships and business metrics.
- Develop governed semantic and reporting layers that support consistent decision-making.
- Build accurate, intuitive and visually polished dashboards and reporting products.
- Own delivery from initial requirement gathering through to the finished product.
- Use AI-assisted engineering tools such as Claude Code, Codex or GitHub Copilot to improve delivery speed and quality.
- Document models, definitions, testing and data lineage clearly.
Required experience
- Strong hands-on production experience with dbt and Snowflake.
- Advanced SQL and a strong understanding of data quality, testing and reconciliation.
- Proven experience designing dimensional models and analytical data products.
- Strong dashboard-development experience with Power BI, Tableau, Looker, Sigma or a comparable platform.
- Evidence of personally delivering analytics products from source data through to senior-stakeholder reporting.
- Confidence working directly with senior, non-technical business stakeholders.
- Experience producing dashboards that are both technically accurate and visually strong.
- Availability to begin a new assignment at short notice.
- Experience within fintech, financial services, investment management or another data-intensive regulated environment.
- Exposure to complex financial, commercial, customer or performance data.
- Experience with Sigma Computing.
- Practical use of Claude Code, Codex, GitHub Copilot or similar AI-assisted development tools.
- Experience working independently in an interim or consulting environment.
This is an opportunity to join a high-calibre, technology-led environment and deliver visible analytics products used by senior decision-makers. The initial engagement is for six months, with strong potential for extension or a longer-term opportunity.
Applicants must have the right to work in the UK and be able to attend occasional meetings in London.
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