Top Tech Jobs & Startup Jobs in London

As a Lead Python Engineer, you'll oversee technical direction, mentor a small team, and develop data pipelines and services while driving architectural discussions.

As a Senior Kotlin Engineer, you'll lead developments in fintech solutions, enhance collaborative design discussions, and implement elegant, idiomatic Kotlin code for intricate financial products.

The Senior IT Systems Engineer will design, implement, and maintain secure, scalable IT systems, ensuring operational efficiency and user experience while supporting automation and integration across platforms.

The Technical Sourcer will identify and engage technical talent across various domains, collaborating with hiring leaders to develop sourcing strategies, manage candidate pipelines, and analyze metrics to optimize sourcing effectiveness.

Own end-to-end fraud and complaints operations for the US market: map and redesign processes, run day-to-day casework, analyze data to surface trends, deliver improvement projects with Product/Engineering/Compliance, and manage vendor relationships while ensuring regulatory compliance and clear audit records.

Own credit strategy for a new second-charge mortgage product: define underwriting policy, scoring, pricing, decisioning rules, and portfolio economics. Collaborate with product, engineering, legal, and capital teams to automate decisioning, shape funding strategy, ensure regulatory compliance, monitor portfolio performance, and scale operations.

Lead the credit strategy for second charge mortgages, defining credit policy, developing risk models, and collaborating across functions to optimize lending processes while maintaining portfolio quality.

Support the US Cards analytics foundation by building and improving dbt models and ELT pipelines, contributing data models for credit and portfolio analysis, collaborating with analysts and engineers to improve data quality, scalability, and maintainability, and identifying pipeline efficiency improvements.

Use Python and SQL to analyse card fraud data, define and implement fraud strategies, automate reporting, collaborate cross-functionally, and monitor outcomes to reduce fraud while preserving customer experience.

The Senior Product Manager will drive product initiatives for UK Cards, improving customer experience and leveraging AI tools while collaborating cross-functionally on growth strategies.