Back End Developer
Senior Backend Developer
Location: Remote (with regular team collaboration)
Package: £80,000–£90,000 DOE + share options (for senior hires) + benefits
About TrueFitCV.ai
TrueFitCV.ai helps recruiters and hiring teams match CVs to job descriptions quickly and accurately. We use AI to extract structured information from CVs and JDs, applying a proprietary scoring model to produce ranked candidate shortlists.
The platform is being built as both a standalone SaaS product and middleware layer integrating with existing ATS and hiring systems.
The Opportunity
We are seeking a Senior Backend Developer to design and deliver scalable, secure and high-performance cloud-native backend solutions within Azure.
This role requires strong architectural thinking, API design expertise and experience operating production-grade cloud environments.
What You’ll Do
- Design, develop and maintain scalable backend services using C#, .NET and Azure.
- Build and manage RESTful APIs to support SaaS and middleware integrations.
- Develop APIs deployed via Azure Functions and container-based workloads.
- Design and manage integrations using Azure AD B2C for authentication and identity flows.
- Implement and manage Azure Blob Storage for document and data processing pipelines.
- Integrate with OpenAI (ChatGPT) APIs and Azure AI services to power extraction, classification and scoring workflows.
- Design secure, performant AI request pipelines including structured outputs and validation layers.
- Develop and maintain Azure Logic Apps and supporting automation workflows where appropriate.
- Optimise SQL Server performance, stored procedures and database architecture.
- Implement CI/CD pipelines using Azure DevOps (or equivalent) for automated builds and deployments.
- Apply infrastructure best practices around security, cost control and naming conventions.
- Use Postman (or equivalent tooling) for API testing, validation and documentation.
- Work with Git for version control and collaborative development.
- Ensure robust security principles across APIs, data storage and authentication mechanisms.
- Collaborate closely with Front-End and Product teams to deliver cohesive features.
- Contribute to Agile delivery processes (Scrum and/or Kanban).
- Participate in sprint ceremonies and iterative delivery cycles.
- Mentor junior developers and help raise backend engineering standards across the team.
What We’re Looking For
Essential
- 5+ years’ experience as a Backend Developer working with Azure cloud solutions.
- Strong proficiency in C#, .NET and RESTful API design.
- Experience building APIs deployed via Azure Functions and/or containerised environments.
- Experience implementing authentication and identity flows using Azure AD B2C.
- Strong knowledge of Azure Blob Storage and document/data processing workflows.
- Experience integrating with OpenAI (ChatGPT) APIs or similar AI services in production environments.
- Experience implementing CI/CD pipelines and DevOps best practices.
- Strong SQL Server experience including performance optimisation.
- Experience with Git-based workflows.
- Experience using Postman or equivalent API testing tools.
- Security-focused mindset with strong understanding of cloud security principles.
- Comfortable working in Agile environments (Scrum / Kanban).
- Experience mentoring junior developers.
Desirable
- Experience designing AI-driven data pipelines and structured output validation.
- Experience building middleware or platform-style architectures.
- Familiarity with Angular or modern front-end integration patterns.
- Azure certifications (e.g. AZ-900 or higher).
- Experience integrating with third-party platforms and external APIs.
Benefits
- Share options for senior hires
- 25 days annual leave + public holidays
- Company pension contributions
- Flexible, remote-first working
- Home office/equipment allowance