Mid-Level Software Developer
Location: Remote
Department: IT
Contract type: Permanent / Full-time
About the role
We’re looking for a Mid-Level Software Developer to join our development teams at Activate Group who are responsible for our core line-of-business Claim Management System (Quartz) and the Fleetscout fleet management platform, alongside a range of internal tools and integrations. These systems manage the vehicle repair lifecycle from first notification of loss (FNOL) through to return‑to‑driver, and integrate with a wide range of third‑party APIs covering insurers, fleet operators, repairers, parts suppliers etc.
Our clients include major insurers, fleet operators, and accident management companies, and the platforms require frequent iteration to meet evolving commercial, regulatory, and operational needs.
Tech stack: Microsoft .NET (C#) back‑end, React with TypeScript on the front‑end, MSSQL (Azure SQL) and MySQL databases, hosted on Azure and orchestrated with Kubernetes. Work is managed through Azure DevOps (Boards, Repos, Pipelines), with CI/CD deployment pipelines.
As a Mid-Level Developer, you will be expected to take ownership of features end‑to‑end, contribute to technical design discussions, support more junior team members, and work closely with the Quartz Development Team, QA, Delivery Managers, Product Owners to ship high‑quality software.
Key responsibilities
- Contribute to design and deliver these features end‑to‑end across the stack, taking ownership from ticket refinement through to production release
- Write clean, maintainable, testable C# and TypeScript code using SOLID principles, appropriate design patterns, and clean code practices
- Apply Test Driven Development (TDD) and ensure appropriate unit, integration, and end‑to‑end test coverage for all changes
- Design and implement RESTful APIs and service integrations with third‑party providers
- Build responsive, accessible user interfaces using React and TypeScript
- Design efficient, well‑structured database schemas and write performant SQL across both MSSQL and MySQL
- Author and review pull requests, providing constructive feedback and maintaining code quality standards across the team
- Manage source code, branches, and work items through Azure DevOps (Git, Boards, Pipelines)
- Investigate and resolve production incidents, including log analysis, root‑cause investigation, and remediation
- Contribute to technical design discussions, estimation, and planning
- Proactively promote a collaborative, multi‑disciplinary team culture and contribute to continuous improvement
Skills and experience
- Commercial .NET / C# experience — Typically 3+ years building and maintaining production C# applications, including ASP.NET Core Web APIs
- Strong C# language skills — Including Entity Framework / EF Core, LINQ, async/await, delegates, generics, and dependency injection
- React and TypeScript — Demonstrable experience building and maintaining front‑end applications using React with TypeScript, including component design, state management, and consuming REST APIs
- Relational database experience — Confident working with both MSSQL and MySQL (or willingness to cross‑train), including schema design, indexing, writing performant queries, stored procedures, views, and understanding execution plans
- SOLID, design patterns and clean code — Able to recognise and apply common design patterns and refactor towards cleaner, more maintainable code
- Version control with Git — Confident with branching strategies, pull requests, merge conflict resolution, and code review practice
- API design and integration — Building and consuming RESTful APIs, working with JSON and XML payloads, and understanding authentication patterns (OAuth2, JWT, API keys)
- Asynchronous and concurrent programming — Solid understanding of async/await, threading concerns, and message/event‑driven processing
- Problem‑solving and debugging — Strong analytical skills with the ability to diagnose issues across the stack using logs, profiling, and debugging tools
- Communication and collaboration — Able to articulate technical concepts clearly to both technical and non‑technical stakeholders, and work effectively in a cross‑functional Agile team
Desirable (but not essential)
- Experience with Blazor (we maintain some Blazor components within Quartz)
- Containerisation with Docker
- Experience working with message queues / event‑driven architectures (e.g. Azure Service Bus, RabbitMQ)
- Experience with the insurance, claims, automotive, or fleet management domain
- Experience integrating with third‑party APIs
- Familiarity with observability tooling (Application Insights, Grafana, or similar)
- Experience supporting or mentoring junior developers
Benefits
- 33 days holiday, including bank holidays
- Personal health cash plan – claim back the cost of everyday healthcare such as dental and optical check‑ups
- Enhanced maternity, paternity, adoption and shared parental pay
- Life assurance at three times your basic salary
- Free breakfasts and fresh fruit
- A birthday surprise for everyone
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