Top Tech Jobs & Startup Jobs in London

Own either Yonder’s growth funnel or rewards product, from strategy and experimentation through measurable outcomes. The role involves improving conversion, activation, member engagement, rewards economics, and two-sided marketplace performance. You will conduct customer research, analyze funnels and cohorts, build prototypes and tests using Webflow, Figma, and Claude Code, and collaborate with engineering, design, marketing, partnerships, risk, compliance, and legal within a regulated lending environment.

Designs end-to-end digital and mobile product experiences for Yonder’s financial membership platform. Responsibilities include simplifying complex financial problems, creating flows and prototypes, conducting user research and usability testing, collaborating with product managers and engineers, contributing to the design system, and balancing rapid experimentation with polished execution. The role requires strong visual craft, attention to detail, open communication, and ownership from early concepts through shipped products.

Senior Product Engineer contracted for three months to deliver Scala backend features across payments, banking, and rewards. Responsibilities include building Kafka-based integrations, improving service reliability and test coverage, contributing to React Native mobile features, and documenting delivered work. The role requires rapid onboarding to an existing codebase, strong distributed-systems expertise, production functional Scala experience, and ownership of the full development lifecycle. Work is primarily office-based in Shoreditch, with at least three days per week onsite.

Build and operate production backend services for payments, core banking, and rewards. Design distributed microservices, event-driven features, APIs, and data flows using Scala, Kafka, and cloud infrastructure. Own services through deployment, monitoring, troubleshooting, and continuous improvement. Collaborate with product, design, and engineering teams while contributing to architecture, testing, reliability, observability, security, and occasional frontend or infrastructure work.