Full-time

Senior Java Full Stack Engineer

Posted by Cognizant Technology Solutions • greater london, England, United-Kingdom

📍 greater london, England 🕒 February 21, 2026

About the Role

Role Purpose

Lead the design, development, and optimization of Java-based services and cloud-native solutions on AWS. Provide technical leadership, mentor engineers, establish engineering standards, and ensure the delivery of secure, scalable, and maintainable digital services aligned with DDaT engineering principles.

Key Outcomes & Responsibilities

  • Technical Leadership: Set engineering standards, lead design reviews, influence solution architecture, and guide teams in modern Java engineering practices.
  • Java Engineering: Build high-quality, performant Java microservices using Spring Boot, applying clean coding, SOLID principles, and industry best practices.
  • Cloud Engineering (AWS): Design and deliver cloud-native workloads using AWS services (e.g., Lambda, ECS, EKS, API Gateway, DynamoDB, S3, RDS). Ensure architectures are resilient, secure, and cost-efficient.
  • API & Platform Ownership: Define and maintain RESTful AP...

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