Senior Developer

Senior Developer (Python) Join a business going through one of the UK’s biggest digital transformation programmes, helping modernise a platform that supports millions of players while generating vital funding for good causes. This is a hands-on senior engineering role where automation, cloud infrastructure, and operational excellence sit at the heart of everything. Role Overview: Location: Hybrid / Hertfordshire Package: £75,000 pa + bonus + extensive benefits Industry: Technology / Gaming / Digital Services What You’ll Be Doing: Leading the design, deployment, and optimisation of automation and monitoring platforms across critical services and applications Building and maintaining scalable AWS infrastructure using Terraform, Ansible, and container technologies Developing CI/CD workflows and GitHub Actions pipelines to support seamless deployments across environments Creating monitoring dashboards, alerting systems, and observability tooling to improve operational visibility Driving automation initiatives to simplify processes and reduce manual intervention across the estate Supporting troubleshooting and capacity planning across complex infrastructure and gaming platforms Working closely with technical leadership to break down delivery plans into manageable engineering tasks Collaborating with product, delivery, and business teams to shape priorities and refine backlogs Promoting engineering standards, security best practices, and platform consistency across teams Supporting integration work using existing frameworks and scheduling tools while improving operational efficiency Main Skills Needed: Strong hands-on experience with AWS infrastructure and cloud-native services Solid background using Terraform, Ansible, Docker, ECS/Fargate, and serverless technologies Advanced Python development skills, including scripting and Lambda functions Experience building and maintaining CI/CD pipelines using GitHub Actions Strong understanding of observability and monitoring tooling such as Grafana, AppDynamics, Sensu, Logz.io, InfluxDB, or similar platforms Strong Linux/*nix administration and low-level troubleshooting capability Good understanding of networking fundamentals including TCP/IP, REST APIs, HTTPS, encryption, and certificates Exposure to modern development technologies such as NodeJS or Java Familiarity with Jira, Confluence, and Agile delivery environments Ability to work through ambiguity, prioritise effectively, and continuously improve systems and processes Strong communication skills with the ability to work across technical and non-technical teams What’s in It for You: Bonus scheme and matched pension contributions up to 8.5% Private medical cover and life assurance 26 days holiday plus additional wellbeing days £500 wellness allowance alongside access to fitness and nutrition support Enhanced parental leave policies Financial wellbeing support and discounted health assessments The opportunity to contribute to large-scale digital transformation projects with real societal impact A collaborative environment focused on innovation, inclusion, and continuous improvement Long-term career growth within a highly ambitious technology-driven business Flexible, supportive culture with wellbeing at the centre of the employee experience Additional Information: Please note that this position will be subject to extensive background checks due to the nature of the organisation and industry. Ready for something better? You know what to do. 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.