Senior Software Engineer - Tax Technology

Salary: £41,000 - 81,000 per year

Requirements:

• Hands-on experience designing, specifying, and developing software
• Strong programming skills in modern object-oriented languages such as C# or Java
• Experience building REST APIs and working with messaging systems
• Experience defining data models and interacting with databases
• Proven experience building user-facing web applications
• Ability to work collaboratively in an agile team and adopt best practices
• Experience using source control and continuous integration tools as part of a team

Responsibilities:

• Develop and deliver software solutions across client and internal projects
• Work in a small team of Software Engineers and Quality Assurance Engineers
• Collaborate with a Product Owner to prioritise deliverables
• Develop web applications using back-end C#/ASP.NET Core
• Build front-end solutions using TypeScript, React, Angular, ASP.NET MVC, or C#/Blazor
• Build cloud-first applications on a continuous delivery platform with infrastructure as code
• Package applications in containers and deploy on Azure Kubernetes Service
• Use Entity Framework code-first data with Azure SQL or NoSQL databases
• Build resilient microservices and micro-front ends integrated via a cloud message bus
• Comply with secure coding and infrastructure standards and policies
• Support applications using modern DevOps tools
• Continuously improve technical knowledge and share learning with others
• Build reusable components that can be used by other teams

Technologies:

• AI
• ASP.NET
• Angular
• Azure
• Blazor
• C#
• Cloud
• DevOps
• Support
• Java
• Kubernetes
• MVC
• NoSQL
• Product Owner
• REST
• React
• SQL
• TypeScript
• Web
• microservices
• AWS
• Business Intelligence
• Cosmos DB
• Cassandra
• Docker
• GCP
• Git
• GitHub
• Jenkins
• Kafka
• Machine Learning
• Security
• Serverless
• UX UI Design

More:

We are a team of 300+ technologists providing technology enablement services and solutions across our Tax and Legal business, supporting 2,500 tax and legal professionals and serving many thousands of clients and private individuals. We deliver a modern, market-leading suite of technology solutions and build cutting-edge web portals that improve collaboration and streamline client information delivery. Our team is at the forefront of using generative AI to help redefine how tax is determined in the UK and globally. The role is based in London, and we generally spend two days per week in the office. We offer a strong team environment, regular training opportunities, paid relevant certifications, market-equal pay and benefits including subsidised lunch, health care, pension, cycle-to-work, and a free day off for your birthday. We combine the pace and learning culture of a start-up with the scale, technology, and high-profile projects of a major corporate, with clear career progression.

last updated 34 week of 2026