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Senior BackEnd Developer - Cyber

Job in Gloucester, Gloucestershire, GL1, England, UK
Listing for: Methods
Contract position
Listed on 2026-02-25
Job specializations:
  • IT/Tech
Job Description & How to Apply Below
Position: Senior BackEnd Developer - Cyber (Contract)

Senior Back End Developer - Cyber (Contract)

Methods Gloucester, England, United Kingdom

This role is based on-site and involves working with a team to design, develop, and maintain robust backend systems using Python and Go, with a focus on security and performance for public sector and private sector clients.

Role overview

We are seeking a highly skilled Senior Back-End Developer to join our team. The ideal candidate will have a strong background in Python and Go, with extensive experience in developing and maintaining backend systems. You will work with front-end developers, data engineers, and product managers to build scalable applications, design APIs, manage databases, and ensure security and performance of services.

Key Responsibilities
  • Design, develop, and maintain back-end systems using Python and Go
  • Develop and maintain RESTful APIs, Web Socket, and Graph

    QL services with documentation (Swagger/OpenAPI)
  • Manage and optimize databases (Postgre

    SQL, NATS, Redis, Min.

    IO)
  • Leverage Microsoft Azure services (Azure Functions, Azure Key Vault, Azure SQL Database, Azure Dev Ops) for cloud solutions
  • Implement security protocols (OAuth and Key Cloak)
  • Use Git for version control and collaborate across teams
  • Implement containerization and orchestration (Docker, Kubernetes, Helm)
  • Develop and maintain CI/CD pipelines (Git Hub Actions, Azure Dev Ops Pipelines)
  • Collaborate with cross-functional teams using Jira and Confluence
  • Monitor and improve system performance (Prometheus, Grafana)
Essential Requirements
  • Proven experience as a Senior Back-End Developer or similar role
  • Languages:

    Python, Go, and Java (Go is the primary code base; ingestion pipelines transitioning from Python/Azure Data Factory)
  • Messaging: NATS, Kafka, Azure Service Bus (AMQP)
  • Databases:
    PostgreSQL
  • Blob storage: S3 / MinIO / Azure Blob Storage
  • Azure services including Kubernetes and Key Vault
  • NiFi experience is a plus
  • Experience in developing highly reliable and scalable systems
Desirable
  • Experience developing and managing RESTful APIs, Web Socket, and Graph

    QL services
  • Strong database management skills (Postgre

    SQL, NATS, Redis, Min.

    IO)
  • Hands-on experience with Azure services and cloud-based architecture
  • Security implementation expertise (OAuth, Key Cloak)
  • Containerization and orchestration with Docker, Kubernetes, Helm
  • CI/CD processes and tools (Git Hub Actions, Azure Dev Ops Pipelines)
  • Collaboration skills with Jira and Confluence
  • Strong problem-solving and communication skills
Contract Details
  • Competitive day rates
  • On-site 5 days per week (secret location)
  • Opportunity to work on high-impact projects with leading clients
Requirements & Clearance

Note:

Active UK Security Clearance (SC minimum, DV preferred) is a mandatory requirement. Applicants must be eligible to work in the UK.

How to Apply

If you're ready to make a difference and join a collaborative, innovative team, apply now at Methods.

Company context

Methods is a £100M+ IT Services Consultancy with a focus on public sector transformation and a growing private sector portfolio. We are UK-based, historically focused on government projects, and were acquired by the Alten Group in early 2022.

Senior Frontline reminders:
Referrals increase your chances of interviewing at Methods by 2x. Apply BELOW

Position Requirements
10+ Years work experience
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