Mid-Level Full-Stack Software Engineer

Team: Research & Development

Location: London

Commitment: Full Time

Workplace Type: hybrid

You Will:

Design, develop, and maintain RESTful APIs using .NET Core. 
Work with data from SQL (MS-SQL server) and NoSQL (MongoDb) databases and external APIs. 
Ensure secure coding practices are followed throughout the development lifecycle.
Collaborate with cross-functional teams to integrate APIs with frontend and backend systems. 
Build and maintain responsive, accessible user interfaces using React, JavaScript/TypeScript, HTML, and CSS. 
Optimize API performance and ensure scalability. 
Write unit and integration tests to ensure code quality. 
Participate in code reviews and contribute to continuous improvement. 
Work with CI/CD pipelines and Infrastructure as Code (IaC) tools to automate deployments. 
Leverage modern developer tools (e.g., GitHub Copilot) to improve productivity where appropriate.

You Have:

Required
3–5 years of experience in .NET Core and API development. 
Strong understanding of RESTful API design principles, software design patterns, and secure coding standards. 
Experience with Entity Framework, SQL Server, and version control systems (e.g., Git). 
Hands-on experience with front-end development using React, JavaScript/TypeScript, HTML, and CSS. 
Experience with modern front-end tooling and build systems (e.g., Vite, Webpack) and state management libraries. 
Experience with CI/CD tools (e.g., GitHub Actions), IaC (e.g., Terraform), and cloud platforms (Azure/AWS).
Leverage modern AI tools (e.g. GitHub Copilot, Claude Code, etc.) to improve productivity where appropriate. 
Good problem-solving skills and understanding of scalable system design. 
Nice to Have
Basic awareness of AI/LLM concepts or experience consuming AI APIs (e.g. simple integrations). 
Familiarity with tools or platforms from providers like Anthropic. 
Experience in developing, building, and deploying financial services grade applications and platforms. 
Knowledge of core Azure services (Azure Functions, Azure API Management, Azure Service Bus, Azure Monitor, Application Insights, Azure Front Door, Azure CDN). 
Experience with containerization and orchestration tools such as Docker and Kubernetes. 
Key Competencies
Strong problem solving and analytical thinking 
Clean coding and attention to detail 
Collaboration and communication skills 
Ownership mindset with focus on quality and delivery 
Willingness to learn new technologies (including AI where relevant)