.NET Developer

Hybrid

Staines-upon-thames, United kingdom

£ 110 /hour

Freelance

12-05-2025

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Expired

Job Specifications

Contract Snr .NET Developer – Hybrid/Staines - £650-£750/day - OUTSIDE IR35

We are partnering with a rapidly growing, private equity-backed tech company that is delivering cutting-edge tax and regulatory software to an elite client base. With a team of approximately 140 and a strong, collaborative culture, this organisation is known for innovation, reliability, and outstanding customer service

They are now seeking an experienced Senior .NET Developer to work on their enterprise-grade, cloud-native SaaS product helping multinational organisations.

Key Responsibilities:

Develop enterprise SaaS features: Work on automation flows, LLM integrations, and workflow modules using C#/.NET 9.
Architect scalable solutions: Design clean, modular back-end components and APIs optimized for Azure.
Full-stack collaboration: Contribute to front-end development (Vue 3 + TypeScript) to deliver seamless features.
Drive quality: Lead code reviews, write unit/integration tests, and enhance CI/CD pipelines in Azure DevOps.
Shape architecture: Engage in RFC discussions, pair programming, and documentation to elevate the platform.

What You Bring:
7+ years of professional experience in C#/.NET development (.NET 8 or later).
Proven track record delivering enterprise SaaS solutions on Microsoft Azure.
Deep expertise in Entity Framework Core, SQL optimisation, and scalable data models.
Strong understanding of DevOps practices: CI/CD, Infrastructure as Code, automated testing.

Hybrid working:
The contract requires 2 days a week working in the companies Staines office.

Contract Snr .NET Developer – Hybrid/Staines - £650-£750/day - OUTSIDE IR35

About the Company

OB are an industry leading technology recruitment consultancy operating across the UK and Europe. Established in 2010 by Billy Jenkins and James Mace, we specialise across the entire tech industry - placing contract and permanent talent in technical roles, ranging from entry level to C-level positions. With more than a decade’s experience, we’re the number one agency for some of the most exciting technology brands in the UK including ASOS, SKY, BBC and SkyScanner. Our extensive talent pool is made up of the best technology ... Know more