Senior Full-Stack Engineer: Java/Node.js & AWS (Hybrid UK)

Gazelle Global; Newcastle upon Tyne; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

Gazelle Global seeks Senior Software Developers to design, build and maintain citizen-facing digital services within a multidisciplinary Agile team. You will deliver reliable, secure, scalable software and ensure operational stability across production environments.

The role covers full-stack development with Node.js/Java/Spring Boot and modern frontend frameworks, cloud-native AWS/Azure, REST/microservices, NoSQL databases and IaC with Terraform, Docker and Kubernetes, plus CI/CD with GitLab

Qualifications

• Strong hands-on full-stack software development across backend, databases and frontend.
• Experience with modern frontend frameworks, preferably Angular.
• Practical experience with AWS serverless services, including Lambda, API Gateway, SQS, S3, KMS, CloudWatch and X-Ray.
• Experience designing and developing REST APIs, microservices and event-driven architectures.
• Experience with NoSQL databases such as MongoDB or Amazon DocumentDB.
• Knowledge of Terraform and Infrastructure as Code.
• Experience with Docker, Kubernetes and preferably AWS EKS.
• Experience with CI/CD pipelines, preferably GitLab, and automated testing frameworks such as Jest.
• Strong Agile delivery, communication and multidisciplinary collaboration skills.
• Active or previously held SC clearance, or eligibility for SC clearance.
• Experience with Kafka and API gateway platforms such as Kong Enterprise.
• Experience delivering large-scale serverless and event-driven applications.
• Familiarity with SonarQube and other code quality tools.
• Experience with public-sector or accessible digital services.
• Exposure to AI/ML-enabled development, including LLMs, guardrails, validation and testing, and model deployment or maintenance.

Responsibilities

• Design, develop and maintain full-stack digital applications using Node.js, Java, Spring Boot and modern frontend frameworks, preferably Angular.
• Develop secure, scalable cloud-native applications using AWS and/or Azure, including serverless services such as Lambda, API Gateway and SQS.
• Design and implement REST APIs, microservices and event-driven solutions using Kafka or similar technologies.
• Develop and maintain frontend components and user journeys, supporting iterative delivery towards MVP and production-ready services.
• Work with NoSQL databases, including MongoDB or Amazon DocumentDB.
• Use Terraform for Infrastructure as Code and support containerised applications using Docker, Kubernetes and AWS EKS.
• Build and maintain automated test suites and contribute to CI/CD pipelines, preferably using GitLab and Jest.
• Support defect resolution, backlog delivery, production stability and continuous improvement.
• Apply engineering best practices covering code quality, application security, accessibility, WCAG compliance and performance.
• Collaborate with DevOps, user-centred design, product and Agile delivery teams to deliver effective digital services.

Skills

Full-stack development

Angular

AWS serverless

REST APIs

NoSQL (MongoDB)

Terraform IaC

Docker

Kubernetes

CI/CD (GitLab)

Jest

Agile delivery

SC clearance eligibility

Kafka

API gateways (Kong Enterprise)

Serverless architectures

GitLab

Security and accessibility

Tools

Terraform

Docker

Kubernetes

AWS (Lambda, API Gateway, SQS)

S3, KMS, CloudWatch, X-Ray

GitLab

Jest

Job description

Gazelle Global seeks Senior Software Developers to design, build and maintain citizen-facing digital services within a multidisciplinary Agile team. You will deliver reliable, secure, scalable software and ensure operational stability across production environments.

The role covers full-stack development with Node.js/Java/Spring Boot and modern frontend frameworks, cloud-native AWS/Azure, REST/microservices, NoSQL databases and IaC with Terraform, Docker and Kubernetes, plus CI/CD with GitLab