Senior Android/iOS Java developer

About

Embark on a transformative journey as a Full Stack Engineer. At Barclays, our vision is clear — to redefine the future of banking and craft innovative solutions. In this role, you will be responsible for delivering resilient, internal, full stack solutions across Credit Card Payments servicing, data, and platform layers. You’ll own critical components end to end, leverage modern engineering practices, and help scale secure, compliant digital banking capabilities in a fast-paced environment.

Requirements

• Experience as a Full Stack Developer using Java (JDK 17+), Spring Framework, and open-source technologies to build enterprise grade applications
• Experience working with Android/iOS applications as developer
• Considerable experience building microservices using RESTful APIs, Spring Boot, Spring Security, OAuth2, and JWT, with a focus on scalability, security, and resiliency
• Validated experience designing and developing Enterprise driven architectures using Kafka, AWS SNS/SQS, or equivalent messaging platforms for high throughput, low latency systems
• DevOps/CI/CD + Observability - GitLab or Jenkins and observability/monitoring tooling (Prometheus, Grafana, ELK, etc.)

Other highly valued skills may include:

• Experience working with React or Angular, with an understanding of full stack design and UI to API integration patterns
• Experience in the Financial Services domain, with understanding of Credit Cards, Consumer Lending, and Risk & Control considerations
• Practical exposure to Generative AI and/or Agentic AI, including integrating LLM based capabilities into applications or engineering workflows (e.g. intelligent services, automation, POCs or production use cases)
• Preferred Hands-on experience with AWS (EC2, S3, RDS, Lambda, API Gateway, ECS/EKS, Glue etc.) and containerization using Docker/Kubernetes, along with ample engineering practices including CI/CD