Top Tech Jobs & Startup Jobs in London

Design, develop, and maintain scalable Java backend systems and microservices powering card payments, treasury management, transactions, and crypto liquidity. Build REST APIs, apply TDD and DDD, ensure maintainability, and deliver via CI/CD processes while collaborating with product and engineering teams.

Design, develop, and maintain scalable Java-based backend systems and microservices (payments, treasury, transactions, crypto). Build REST APIs, evolve existing systems, apply TDD/DDD, and support CI/CD for high-performance, secure fintech products.

The Senior iOS Engineer will build and ship iOS experiences, write clean Swift code, collaborate with teams, and contribute to app architecture and evolution.

The Mid iOS Engineer will develop high-quality iOS features, collaborate with teams, and ensure polished user experiences in a fintech app.

The Android Engineer will build features for mobile applications, write Kotlin code, collaborate with teams, manage feature implementations, and ensure app quality.

Design, develop, and maintain scalable backend systems and microservices for payments, treasury, transactions, and crypto. Build REST APIs, improve existing systems, and deliver high-quality code using Spring Boot, Java, Postgres, TDD, DDD, and CI/CD. Collaborate across teams to drive product development and operational reliability.

Manage global payment operations, execute accounts payable and payroll, oversee crypto controls, reconcile transactions, improve treasury systems, document procedures, and partner cross-functionally.

The Creative Director will lead ARQ's global creative direction, managing campaigns, teams, and brand consistency while collaborating with leadership and external partners.

As a Data Analyst, you'll analyze data, build dashboards, identify trends, support decision-making, and contribute to modeling and experimentation in a fintech setting.

The Growth Analytics Lead will analyze growth data, define KPIs, conduct complex analyses, and support strategic recommendations for business performance.