Confidential company, Data
Senior/Staff Data Engineer at Series C fintech SaaS
- Location
- London, United Kingdom
- Compensation
- Not Disclosed
Are you ready to build a data platform from the ground up? You'll move beyond maintaining legacy code to architecting a modern stack that handles billions of transactions. This is a rare greenfield opportunity to partner with leadership, define data culture, and empower global teams with self-serve analytics.
If you're a pragmatic builder with 5+ years of experience and a passion for end-to-end ownership, this high-impact role in London or Zagreb is your next career-defining move.
What's the next step?
Confidential company are hiring from Jack's network. Talk to Jack for free and get a direct introduction to the team, if a good fit.
Role overview
You will bootstrap an internal data platform from the ground up, moving data from disparate systems into a centralized, queryable layer. As a foundational hire, you’ll design ETL/ELT pipelines, evaluate modern tooling, and partner with cross-functional teams to enable self-serve analytics, fundamentally shaping how this global scale-up utilizes its data.
About the company
Series C fintech SaaS
What you will do
- Design and implement end-to-end ETL/ELT pipelines using tools like BigQuery, dbt, and Airbyte to consolidate internal data.
- Collaborate with infrastructure and product teams to ensure data security, quality, and governance across all reporting and analytical products.
- Empower non-technical stakeholders in Finance and Operations by building self-serve tools and high-impact data products that drive business decisions.
Who this is a fit for
- Has at least 5 years of experience in Data or Analytics Engineering, specifically building and maintaining pipelines in a cloud environment.
- Possesses expert-level SQL and strong programming skills in Python or Scala, with hands-on experience in the modern data stack like Snowflake or BigQuery.
- Demonstrates a proven track record of bootstrapping data functions from scratch and communicating effectively with stakeholders to solve complex business problems.
Why this role is remarkable
- True greenfield opportunity to architect and build a company’s entire internal data infrastructure from scratch rather than maintaining legacy systems.
- Join a well-funded Series C fintech that processes billions of transactions annually for the world’s largest tech companies.
- Directly influence the company’s data strategy and culture, transitioning from fragmented data sources to a sophisticated, modern data stack.
How Jack & Jill work together

What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.