.net software engineer jobs in Warrington

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

Principal Software Engineer .NET £90,000-£110,000 Remote (UK) Do you thrive on building scalable solutions that power commerce worldwide? We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition. They're engineering a robust, merchant-centric ecosystem built on quality, resilience, and scale - and they need exceptional .NET Software Engineers to...

As a Full Stack Engineer with expertise in .NET and Vue, you'll take on a hands-on role in building web applications while working vertically in both the frontend and the backend. Your responsibilities will involve designing, developing, and fine-tuning web applications, using .NET 6+, MediaTR, EF.Core and VueJS 2/3 to create engaging and user-friendly interfaces. You'll work closely with the...

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .

Job Description C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can...

You will work as part of a collaborative R&D team focused on delivering high-quality features, and developing the services architecture. This role is ideal for an engineer who thrives in complex systems and is looking to develop new services that exploit a cloud-native ecosystem while modernizing legacy services into a containerized, cloud-native ecosystem.

Job Description Engineering Director – Technology Innovation £100,000–£120,000 + Package Manchester | 3 days on-site Our client is a pioneering software scale-up reshaping the tech landscape within their sector. Already powering customers across the UK and US, their intelligent SaaS platform enables organisations to streamline operations, unlock efficiency, and scale with confidence. With...

Software Engineer Tech Stack: C# / .NET / Git / Azure Location: Fully Remote (no office travel required) Salary: £55,000 – £65,000 + Benefits This is an excellent opportunity to join a small but growing insurance software company, as they look to expand their development team. You'll work across a variety of initiatives, including their core product development, system migrations, and...

Principal Software Developer – Manchester (central) 3 days a week in office with flexible start/finish – strong benefits – up to £90,000 (flexible for the right person) I'm working with a high‐growth tech business looking for a Principal Software Developer to take a leading, hands‐on role across their platform. You'll design and deliver complex features, shape architectural decisions, and drive...

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

You will tackle technical challenges that bridge software engineering with real-world manufacturing processes. This role blends hands-on technical expertise with leadership responsibilities, offering both team mentorship and active involvement in architecture, design, process improvement, and code review.

Job Description About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We’re looking for a...

Principal Software Engineer Fully Remote | Permanent | £85,000 - £115,000 Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping the...

Job Description Lead Software Developer (.NET) Chester (Hybrid ) £65,000–£70,000 Ready to step up and lead a strong .NET team through a real tech transformation? We’re looking for a Lead Software Developer to guide a capable team of mid-to-senior devs working on a mission-critical booking and reservations platform used across multiple brands. It’s the backbone of the business — and it’s...

Job Description An exciting opportunity has arisen for a C# Software Developer to join a specialist simulation and experimentation team working on complex, real-time defence systems. This role sits within a highly technical environment, developing software that supports simulation, experimentation, verification, validation and training activities across advanced engineering programmes. The...

Job Description Lead Software Engineer Stealth AI Fintech Startup | London | Hybrid (3 days on-site) We’re hiring on behalf of an innovative Fintech startup that is building an AI-driven platform that’s rethinking how investors analyse, access, and manage alternative assets (e.g. private equity, private credit and other private markets). They've built there MVP, raised funding from...

Job Description Software Development Engineer III Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success. Why Join Us? To shape the future of travel, people must come...

Job Description .NET Engineers (Mid-Level, Senior & Lead) £45,000 – £65,000 Central Manchester | Hybrid – 2 days onsite I’m hiring on behalf of a tech-led client that’s just completed a major platform migration and is now building the next generation of large-scale, high-traffic systems. They’re looking for .NET engineers at mid, senior, and lead levels — so whether you’re growing your...

Job Description Senior & Staff Software Engineers – Alderly edge -mainly remote with occasional office requirement - Upto £80,000 - C#, .NetCore, React, Azure/AWS/GCP, RabbitMQ We’re looking for Senior and Staff Software Engineers to join a forward‑thinking team undergoing transformation, modernising processes, and working with high‑level engineers, testers and architects to deliver impactful...

You will work as part of a collaborative R&D team focused on delivering high-quality features, and developing the client architecture using the latest UI patterns.