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Senior Developer

Addition
Watford, United Kingdom
2 months ago
£80,000 pa

Salary

£80,000 pa

Job Type
Permanent
Work Location
Hybrid
Seniority
Senior
Education
Degree
Posted
2 Apr 2026 (2 months ago)

Benefits

Annual company bonus scheme Matched pension contributions up to 8.5% 26 days annual leave plus additional wellbeing days and bank holidays Private medical cover and life assurance Enhanced maternity and paternity leave £500 annual wellbeing allowance Access to nutrition advice, personal training and health assessments Financial coaching and wellbeing support
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Introduction

A major UK organisation responsible for one of the country’s most recognised digital platforms is undergoing a large-scale technology transformation. They’re looking for a Senior Developer to help design, automate and support the infrastructure that powers critical services used by millions.

Role Overview:

  • Location: Watford (Hybrid - 3 days in office a week)
  • Package: Up to £80,000 p/a + benefits
  • Industry: Gaming / Lottery / Digital Platforms

What You’ll Be Doing:

  • Designing, deploying and managing automation and monitoring platforms that support large-scale applications and services
  • Building and maintaining monitoring, alerting and observability tooling across the platform
  • Creating dashboards that translate complex technical data into meaningful insights for stakeholders
  • Developing automation to integrate new systems using existing frameworks
  • Managing and configuring automated job scheduling and platform workflows
  • Building GitHub Actions pipelines to deploy code across test and production environments
  • Driving best practices around security, compliance, reliability and cost optimisation
  • Supporting capacity planning and troubleshooting across complex infrastructure environments
  • Working with technical leads and delivery teams to break down work into manageable tasks and stories
  • Collaborating with product owners, analysts and engineers to shape and prioritise the development backlog

Main Skills Needed:

  • Strong experience withAWS cloud services and infrastructure automation
  • Hands-on expertise withTerraform, Ansible and containerisation (Docker)
  • StrongPython development skills, including scripting and Lambda functions
  • Experience building and managingCI/CD pipelines, ideally with GitHub Actions
  • Monitoring and observability tooling such asAppDynamics, Grafana, InfluxDB, Graphite, Sensu or similar
  • Experience working withserverless architectures (Lambda, API Gateway, DynamoDB, EventBridge)
  • Solid understanding ofLinux / Unix administration and troubleshooting
  • Knowledge ofnetworking fundamentals including TCP/IP, HTTP/S, APIs and encryption
  • Familiarity with collaboration tools likeJIRA and Confluence
  • Exposure to modern development stacks such asNode.js, Java or similar
  • Understanding of infrastructure services likeConsul, Vault or ServiceNow ITOM is beneficial
  • Strong communication, problem-solving and analytical thinking skills

What’s in It for You:

  • Annual company bonus scheme
  • Matched pension contributions up to 8.5%
  • 26 days annual leave plus additional wellbeing days and bank holidays
  • Private medical cover and life assurance
  • Enhanced maternity and paternity leave
  • £500 annual wellbeing allowance
  • Access to nutrition advice, personal training and health assessments
  • Financial coaching and wellbeing support
  • Opportunity to contribute to a large-scale technology transformation with real societal impact
  • A collaborative culture focused on innovation, inclusion and continuous improvement

If you’re nodding along, let’s take the next step.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

By applying you are confirming you are happy to be added to the Addition Solutions mailing list regarding future suitable positions. You can opt out of this at any time simply by contacting one of our consultants.

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