Lead Developer

Oscar Associates (UK) Ltd
Warrington, United Kingdom
18 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior
Compensation
£ 80K

Job location

Remote
Warrington, United Kingdom

Tech stack

ASP.NET
.NET
Multitier Architecture
API
Application Performance Management
Azure
Code Coverage
Continuous Integration
DevOps
Entity Framework
Mobile Application Software
Microsoft Software
SQL Azure
Nunit
Open Web Application Security
Commercial Software
Software Architecture
Role-Based Access Control
Azure
TypeScript
Web Applications
Devexpress
React
Backend
Angular
Deployment Automation
Playwright
Bicep
Figma
Bitbucket
Front End Software Development
Api Design
JestJS
REST
Software Version Control
Key Vault
Web Api

Job description

This is an excellent opportunity for a senior full-stack engineer who thrives in a structured, enterprise-grade environment and enjoys staying hands-on while defining architecture, setting engineering standards, and driving secure delivery practices within a "fail fast" product mindset. The Opportunity

You'll lead engineering on the first product within a wider cloud transformation strategy. The platform consists of a .NET MAUI mobile application (iOS & Android), an Angular 21 web application, and Azure-hosted backend services built using modern Microsoft technologies.

Reporting to the Product Owner, you'll play a pivotal role in defining architectural standards, implementing robust DevOps practices, and ensuring security, performance, and maintainability are embedded from the outset.

This role blends hands-on development, architectural leadership, and close collaboration with Product, UX (Figma), and QA teams. The expectation is high-quality, production-ready code with strong test coverage and fully automated deployments., You will be responsible for:

  • Writing secure, production-grade, well-tested code across backend, frontend, and mobile
  • Taking architectural ownership of APIs, mobile offline patterns, and Azure infrastructure
  • Designing and building RESTful services using modern .NET and clean architecture principles
  • Leading Infrastructure as Code implementation using Bicep
  • Driving CI/CD maturity (Bitbucket preferred) with strict SDK and dependency version control
  • Ensuring OWASP-aligned secure coding practices and GDPR compliance
  • Collaborating with QA to support automated and manual test strategies
  • Documenting architectural decisions (ADRs) and maintaining clear technical communication

Tech Stack & Experience

Core technologies:

  • .NET 10 / ASP.NET Core Web API

  • Entity Framework Core with Azure SQL

  • .NET MAUI (offline-first mobile design)

  • Microsoft Azure (App Services, Azure SQL, Blob Storage, Key Vault, Application Insights)

  • Azure Entra ID authentication & RBAC

  • Angular 21

  • TypeScript (strict mode)

  • DevExpress DevExtreme (v25)

  • NUnit, Vitest, and Playwright, To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website. Not what you are looking for?

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Requirements

  • 7+ years' commercial software development experience
  • At least 2 years in a leadership position
  • Strong expertise in modern .NET and API design
  • Proven Angular experience (v15+)
  • Hands-on Azure architecture and deployment experience
  • Strong understanding of CI/CD and enterprise DevOps practices
  • Experience successfully deploying mobile applications
  • Experience building high-performance, enterprise-grade systems

Benefits & conditions

  • £70,000-£80,000 (DOE)
  • Remote working
  • Opportunity to define technical standards from the ground up
  • High-autonomy role within a senior engineering environment
  • Long-term opportunity to shape future cloud-based products

Why This Role?

This is a standout opportunity for a hands-on technical leader who wants genuine ownership of architecture, tooling, and engineering standards within a secure, Azure-first ecosystem.

Apply for this position