London Approach is hiring: Full Stack Engineer (Philadelphia) in Philadelphia

Senior / Lead / Principal Full Stack Developer (.NET, Azure, Angular/React)

Fully Remote (U.S.-based)

Compensation

$120,000 $155,000 base salary + full benefits

(Bonus, equity, or additional incentives may apply depending on level)

We are seeking a Senior, Lead, or Principal Full Stack Developer to design, build, and support scalable web applications using .NET, C#, Azure , and modern frontend frameworks ( Angular and/or React ). This role is ideal for an engineer who enjoys working across the full technology stackfrom backend APIs and cloud infrastructure to responsive, high-performance user interfaces.

Depending on level, this role may include technical leadership , architecture ownership, and mentorship of other developers while remaining hands-on with code.

Full Stack Development

• Design, develop, and maintain full stack web applications using C# / .NET (.NET Core / .NET 6+)
• Build and consume RESTful APIs and backend services
• Develop modern frontend applications using Angular and/or React with TypeScript
• Collaborate with product, UX, and stakeholders to translate business requirements into technical solutions

Cloud & Platform (Azure)

• Design and deploy solutions in Microsoft Azure
• Work with Azure services such as App Services, Azure Functions, Azure SQL, Cosmos DB, Storage, Service Bus , and Key Vault
• Implement cloud-native, scalable, and secure architectures
• Support CI/CD pipelines using Azure DevOps or GitHub Actions

Architecture & Technical Leadership (Senior+ Levels)

• Contribute to or own application architecture and technical direction
• Perform code reviews and promote best practices around quality, performance, and security
• Mentor junior and mid-level developers
• Influence standards for development, testing, and deployment

Required Qualifications

• 5+ years of professional software development experience (more for Lead/Principal)
• Strong expertise in C# and .NET (.NET Core / modern .NET)
• Experience building frontend applications with Angular and/or React
• Hands-on experience with Microsoft Azure
• Solid understanding of REST APIs, SQL databases, and object-oriented design
• Experience with Git-based source control and CI/CD workflows
• Ability to work effectively in a fully remote, distributed team

Preferred / Nice-to-Have

• Experience with microservices or event-driven architectures
• Familiarity with containerization (Docker, Kubernetes)
• Experience with Entity Framework, Dapper , or similar ORMs
• Exposure to Azure DevOps, Terraform, or Infrastructure as Code
• Prior experience in SaaS, enterprise platforms, or high-availability systems

Benefits Overview

• Competitive base salary ($120k$155k , depending on level and experience)
• Medical, dental, and vision insurance
• 401(k) with company contribution
• Generous PTO and paid holidays
• Fully remote work environment