Senior Software Developer

Salary: £65,000 - 75,000 per year

Requirements:

• Strong commercial experience with C# and modern .NET / .NET Core
• Experience building scalable web applications and APIs
• Strong understanding of object-oriented programming, SOLID principles, and design patterns
• Experience with TypeScript, HTML, CSS, and modern front-end frameworks such as React or Vue
• Strong cloud experience, ideally with AWS
• Experience with CI/CD pipelines and DevOps practices
• Knowledge of Infrastructure as Code tools such as Terraform or AWS CDK
• Experience developing serverless applications, such as AWS Lambda
• Experience integrating with third-party services via APIs
• Comfortable working with Git and modern development workflows
• Understanding of secure coding practices and application performance
• Experience with TDD / BDD / DDD
• Knowledge of security standards and compliance environments
• Experience with observability tools such as Elastic APM or Datadog
• Experience with AI applications, Python, data analytics, or CRM integrations

Responsibilities:

• Join our growing engineering team and contribute as a Senior Software Developer in a collaborative agile environment
• Design, develop, and enhance our market-leading SaaS platform
• Take a hands-on role in new feature development, technical improvements, and architecture decisions
• Help drive engineering best practices across the team
• Work closely with developers, testers, product owners, and technical leads to deliver secure, scalable, and high-quality solutions
• Support the development of other engineers through mentoring and code reviews

Technologies:

• AI
• AWS
• Lambda
• C#
• CI/CD
• Cloud
• CSS
• CRM
• DDD
• Datadog
• DevOps
• Git
• Support
• Python
• React
• Security
• Serverless
• TDD
• Terraform
• TypeScript
• Vue
• Web
• ASP.NET

More:

We are an innovative technology organisation offering a hybrid working model with one day a month in Ipswich. This Senior Software Developer role comes with a salary of up to £75,000 DOE, flexible working, excellent benefits, and strong opportunities for career development. We provide a forward-thinking engineering environment where you can make a real technical impact while helping shape our SaaS platform and engineering practices.

last updated 35 week of 2026