Full-Stack Developer

The Full-Stack Developer will design build and maintain the internal platforms applications and integrations that run Milestone Ones business. Our applications have a React/TypeScript front end an API layer and a database backend hosted on Azure and integrated with Microsoft 365. We work data-first: we design and document the data structure build the API from that specification and then build the front end. You will work in a small team alongside AI coding agents with security data protection and documented testing built into how we deliver.

Role responsibilities:

Design and document data models and databases (Azure SQL) for our central data platform internal applications and reporting

Develop secure REST APIs and backend services (.NET / C# Azure App Service or Functions) with access checks in the API and permissions enforced at both the API and data layers

Build React/TypeScript front ends that integrate with our company intranet and follow the Milestone One design system

Build integrations between internal systems and third-party services (APIs webhooks data imports)

Work in GitHub: pull requests code reviews GitHub Actions CI/CD and automated code and secret scanning

Define infrastructure as code with OpenTofu using Managed Identity and Key Vault instead of stored secrets

Write automated tests with Playwright and support business users during acceptance testing

Use AI coding agents productively and safely reviewing testing and taking ownership of all generated code

Follow our change management and system validation procedures and keep technical documentation current

Collaborate with stakeholders to shape requirements and turn them into working solutions

Qualifications :

Professional experience building web applications with React/TypeScript and a backend language such as C# / .NET (we welcome both experienced and early-career developers)

SQL schema design data modelling and writing efficient queries

REST API design authentication and authorization (Entra ID OAuth 2.0 / OpenID Connect)

Git branching pull requests and code review; CI/CD pipelines (GitHub Actions or Azure DevOps)

Azure fundamentals App Service Azure SQL Blob Storage Key Vault Managed Identity

Secure coding practices (e.g. OWASP Top 10) and care for personal and sensitive data

Willingness to work in a regulated environment: change control testing evidence audit trails and data integrity

Fluent in English written and spoken
 

Nice to Have

.NET 8 / C# REST API development (Entity Framework or Dapper)

Infrastructure as code with OpenTofu or Terraform

Automated testing with Playwright or similar tools

Professional experience working with AI coding agents or assistants

Azure Functions Static Web Apps API Management Front Door / WAF v2

Star schema / dimensional modelling (staging dimension fact ETL)

Microsoft Graph API and Microsoft 365 integration

Clinical trial domain knowledge (sites studies patients financial events)

Knowledge of data protection requirements such as GDPR and HIPAA

Additional Information :

If you feel it is time to make your skills and knowledge visible within a developing company with true focus on its people then Milestone One is the right choice for you.

Remote Work :

Yes

Employment Type :

Full-time