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Data Engineer, LONDON
Engineering - London - Onsite - Full Time
Overview
Application Form
About nsave
nsave is a fintech company headquartered in London. Founded by Amer Baroudi and Abdallah AbuHashem, our vision is to "Protect and grow the wealth of the financially excluded". We have built a global platform that provides trusted USD accounts, global payments, and investments for individuals from distressed economies, where inflation is high and banking systems are unstable. Our compliance-by-design approach and proprietary technology allow us to deliver these services securely and at scale.
To date, nsave has raised $22M from leading investors including Sequoia Capital, TQ Ventures, Y Combinator, and SV Angel. Our team has grown 200% in the last year, and with so much more ahead, we're just getting started!
Learn more at www.nsave.com.
📍 Location: Full-time, on-site role based in London
About the Role
As our Data Engineer, you will design, build, and maintain the data infrastructure that powers nsave's financial platform. You will own production pipelines, model complex financial and transactional data, and ensure reliable, scalable data flows across the organisation. Working closely with Engineering, Product, and Compliance, you will enable data-driven decision-making and support regulatory requirements as we scale.
You will:
Design, build, and own production ETL/ELT pipelines, cloud data warehouse architecture, and data models for financial and transactional data
Build and manage streaming, CDC, and orchestration systems for reliable, real-time data processing
Collaborate with Engineering and Compliance to ensure pipelines meet regulatory and security standards, with robust CI/CD and infrastructure as code
Who you are
4+ years of data engineering experience, ideally with financial or transactional data, with advanced SQL (window functions, query optimisation, performance tuning at scale) and proven production ETL/ELT pipeline experience
Proficient with cloud data warehouses (Snowflake, BigQuery, or Redshift), dbt, workflow orchestration (Airflow, Dagster, or Prefect), and streaming/event-driven systems (Kafka or Kinesis)
Experienced with PostgreSQL as a source system including CDC (Debezium or similar), strong in data modeling (dimensional modeling, SCDs, event sourcing), and comfortable with CI/CD and IaC (Git, Docker, Terraform)
Nice to Have
Experience with payments data (ISO 20022, ACH, card network settlement files), card issuing, or BaaS integrations
Familiarity with double-entry ledger systems, KYC/AML data pipelines, and reconciliation pipeline design across providers and internal ledgers
Compliance knowledge including PCI DSS, SOC 2, and GDPR
How You'll Make a Difference
Build and own the data infrastructure that underpins nsave's financial platform and reporting
Design reliable, scalable pipelines that handle complex financial and transactional data
Enable data-driven decision-making across Product, Operations, and Compliance
Ensure data quality, integrity, and auditability across all systems
Drive best practices in data modeling, testing, and documentation
Support regulatory and compliance requirements through robust, well-governed data pipelines
nsave Values
Alongside technical excellence, we look for people whose values align with ours:
Service - "Mission First": We put the mission, our customers, and our team above self.
Urgency - "Stay focused. Move fast": We act with urgency and intention, concentrating on what matters most.
Ownership - "Act as an Owner": We take responsibility for outcomes end-to-end.
Standards - "Pursue Excellence": We hold ourselves to high personal standards and continuously improve.
We hold ourselves to high personal standards and continuously improve.
Please apply only if you:
Are deeply motivated by nsave's mission and the problems we are solving
Thrive in high-ownership, high-accountability environments
Are comfortable operating with urgency and ambiguity
Want to build from first principles in an early-stage, high-growth fintec