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Software Engineer

London, United Kingdom Full-time Clearance: Security Cleared (SC)
DevOps EngineerJava DeveloperScala DeveloperFull Stack Java DeveloperFull Stack Scala DeveloperKotlin DeveloperTechnical ArchitectFull Stack Kotlin DeveloperCloud EngineerSite Reliability EngineerPlatform EngineerStaff EngineerPrincipal Engineer

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As a Staff Software Engineer, you’ll play a key role in improving how we build, deploy and run software. You’ll lead technical delivery, support and guide other engineers, and help establish practical standards that make development simpler and more reliable.

 

Barclays’ payments acceptance business supports a wide range of UK businesses, processing billions in transactions each year. This is a chance to join at an important stage, where you’ll contribute to how the platform evolves and how engineering works day to day.

 

To be successful as a Staff Software Engineer you should have experience with;

  • Deep expertise in backend engineering and building large-scale distributed systems within a cloud environment preferably AWS (Azure, GCP also suitable)
  • Expert level mastery of Java or Kotlin, Scala, or similar JVM language
  • Data Layer Expertise – Experience with both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB, Redis) databases, understanding when to use each

 

Some other highly valued skills may include;

  • Proven experience working with AI Technologies or machine learning integration
  • FinTech, Payments, scaling Tech or start-up domain experience
  • Rust – Experience with systems programming and performance-critical services
  • Kubernetes – Container orchestration experience with K8s, Helm, and cloud-native deployment strategies
  • React – Modern frontend development skills with React, TypeScript, and state management libraries
  • Observability – Experience with monitoring, logging, and tracing tools 
  • CI/CD Wizardry – Extensive DevOps mindset with experience in automated deployment pipelines, infrastructure as code, and GitOps practices
  • Messaging & Events – Solid grasp of messaging technologies (Kafka, RabbitMQ, SQS, NATS) and event-driven architecture patterns
  • API Design – Proven track record designing and implementing RESTful and/or GraphQL APIs that scale

 

You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen, strategic thinking and digital and technology, as well as job-specific technical skills.

 

The successful candidate will be based in London. Our offices are located at 1 Churchill Place and 7 Westferry Circus (new BPL office).

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