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# Senior Developer

- **Company:** Addition Solutions Ltd
- **Location:** Watford, UK
- **Experience:** Expert
- **Salary:** £80,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Collaborative Software, Amazon DynamoDB, Github, Monitoring of Systems, Job Scheduling, Python (Programming Language), Networking Basics, Node.Js, Cloud Services, Ansible, Software Deployment, TCP/IP, Technical Data Management Systems, Datadog, Scripting, Enterprise Software Applications, Delivery Pipeline, Grafana, AWS Lambda, Servicebus, Containerization, Infrastructure Automation Frameworks, Influxdb, Atlassian Tools, Sensu, Graphite, Functional Programming, Api Gateway, Terraform, Appdynamics, Serverless Computing, Docker, Servicenow
- **Published:** May 17, 2026
- **Apply:** https://find.jobs/jobs-near-me/senior-developer-watford-hertfordshire/2773463963-2/

## About the Role

* Strong experience with AWS cloud services and infrastructure automation
 * Hands-on expertise with Terraform, Ansible and containerisation (Docker)
 * Strong Python development skills, including scripting and Lambda functions
 * Experience building and managing CI/CD pipelines, ideally with GitHub Actions
 * Monitoring and observability tooling such as AppDynamics, Grafana, InfluxDB, Graphite, Sensu or similar
 * Experience working with serverless architectures (Lambda, API Gateway, DynamoDB, EventBridge)
 * Solid understanding of Linux / Unix administration and troubleshooting
 * Knowledge of networking fundamentals including TCP/IP, HTTP/S, APIs and encryption
 * Familiarity with collaboration tools like JIRA and Confluence
 * Exposure to modern development stacks such as Node.js, Java or similar
 * Understanding of infrastructure services like Consul, Vault or ServiceNow ITOM is beneficial
 * Strong communication, problem-solving and analytical thinking skills

## Description

* 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


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