Senior Software Engineer

Job Title: Senior Software Developer (eDV clearance required)

Location: Hybrid In London

Employment Type: Permanent

Salary: Up to £75,000 + package

Start Date: Immediate

Industry: IT Services & Consulting

We’re working with a specialist consultancy delivering mission-critical digital solutions across the UK public sector. They’re looking for a Senior Software Developer with strong Golang experience and a passion for building high-quality, user-focused systems.

You’ll be joining a collaborative, multi-disciplinary team working on impactful projects, with the opportunity to influence both technical direction and user outcomes.

Senior Software Engineer – Key Responsibilities

  • Designing, building, and maintaining scalable applications using Golang
  • Working in Agile, product-led environments with continuous delivery
  • Collaborating with cross-functional teams (DevOps, UX, Product, Platform)
  • Contributing to CI/CD pipelines and modern DevOps practices
  • Driving best practices in testing, automation, and code quality
  • Supporting frequent releases and continuous improvement initiatives

Senior Software Engineer – Key Skills Required

  • Must hold live and active Enhanced DV clearance (DV considered)
  • Good experience in secure defence environments
  • Strong experience with Golang development
  • Experience across Docker & Kubernetes environments
  • Solid understanding of TDD, unit testing, and automation frameworks
  • Experience with relational databases (MySQL / PostgreSQL)
  • Familiarity with Git, build tools (Maven/Gradle), and CI/CD
  • Exposure to frontend technologies (HTML, CSS, JavaScript frameworks)
  • Experience working in Agile, user-focused product teams

Nice to have:

  • AWS or cloud platform experience
  • BPMN tools (Camunda, Activiti, Flowable)
  • React, Angular, or Vue.js
  • OpenShift / container platforms
  • Knowledge of cloud security principles

Please note that all applicants must hold live and active UK eDV clearance given the secure nature of the organisation. In some cases DV clearance may be acceptable.

Please apply now if this role is of interest.

Job Details

Company
X4 Technology
Location
London Area, United Kingdom
Hybrid / Remote Options
Posted