18 of 18 Permanent Senior .NET Software Engineer Jobs in the UK

Senior Software Engineer/Developer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior Software Engineer looking for an opportunity to progress your career, working on complex and interesting systems in an impactful role? You could be joining a FinTech start-up as a founding member, they have secure backing and an … established Hedge Fund client as a partner. As a Senior Software Engineer you will collaborate with a small, talented team to deliver the core platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. The company has ambitious growth plans, this is a great opportunity to be involved from … university, backed by A's at A-level You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems You have expertise with modern C# .Net Core, Python skills would also be of benefit You have a strong knowledge of modern software engineering best practices and have experience across the full software development More ❯

Senior Software Engineer/Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Asset Manager with c$3 million under management. As a Senior Software Engineer within the … end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such … You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior Software Engineer/Developer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension More ❯

Senior Software Engineer (.NET) Fixed Term Contract (12 months) Location: Remote, United Kingdom - with travel as required At Ascenti, we help thousands of people every day to elevate their health and live active lives. With over 25 years of experience in the public and private sectors, we're proud to foster a progressive, values-led workplace … where our people thrive. About the role We're looking for a Senior Software Engineer (.NET) to join our Ascenti Digital team on a full-time, 12-month fixed-term contract. This is a critical role that supports the delivery of scalable software solutions across our digital infrastructure, helping us improve outcomes for patients, clinicians … someone who brings strong full-stack engineering experience, a collaborative mindset, and a desire to make meaningful contributions to health tech innovation. What you'll be doing As a Senior Software Engineer (.NET), you'll: Lead the design, implementation, and delivery of new software features and product fixes. Take ownership of system components, making decisions More ❯

experience in the public and private sectors, we're proud to foster a progressive, values-led workplace where our people thrive. About the role We're looking for a Senior Software Engineer (.NET) to join our Ascenti Digital team on a permanent, full-time basis. This role is key to building and improving the platforms that … power our clinical services and patient experience across the UK. As a senior engineer, you'll take ownership of key components within our patient management system, leading the design and delivery of new applications and product features using ASP.NET, C#, React, and supporting technologies. You'll also contribute to architectural decisions, support agile processes, and help shape the … future of our digital roadmap. This is an excellent opportunity for someone with deep full-stack development experience, strong .NET expertise, and a desire to mentor others while delivering meaningful technical outcomes in the healthcare space. What you'll be doing As a Senior Software Engineer (.NET), you'll: Lead on the design, implementation, and More ❯

to Move to Skip to Content Link Select how often (in days) to receive an alert: Date: 2 Aug 2025 Location: Edinburgh, GB Company: Royal London Group Job Title: Senior Software Engineer - .Net/Angular/Azure Contract Type: Permanent Location: Edinburgh Working style: Hybrid 50% home/office based Closing date: 15th August 2025 We … are seeking a highly skilled Software Engineer tojoin our dynamic team at Royal London. As a Senior Software Engineer, you will play a crucial role in providing technical skills to help our teams design, develop, test, and implement efficient solutions that meet business and customer requirements. The successful candidate will have a real impact on … choice for our customers, by providing the best technology solutions to our customers. About the role You will be working in a technology stack which primarily includes Angular SPAs, .NET Web APIs, and SQL Databases, hosted in the Microsoft Azure cloud. Participate in the development of technical solutions, managing own workload. Provide technical advice and guidance to other software More ❯

I'm looking for a Senior .NET Software Engineer to work on impactful, in-house platforms with a forward-thinking engineering team. My client is an established technology-driven company based in the North West of England, and are hiring a permanent .NET developer to help drive innovation and build robust software solutions that … scale. The Role You'll play a key role in developing and maintaining my clients internal software platforms, working across the full development lifecycle. The ideal candidate will have strong experience with backend technologies and a proactive approach to cloud-native development. Location This is a remote-first role, but we're ideally looking for someone based within a … commutable distance of the North West for occasional team collaboration days. Tech Stack C#/.NET (Core and Framework) Azure cloud services Kubernetes (AKS) RESTful APIs & Microservices SQL & NoSQL databases CI/CD & modern DevOps practices Experience Solid experience in .NET software engineering (C#) Strong cloud experience, ideally with Azure Familiarity with containerisation & orchestration (Kubernetes preferred) Good More ❯

collaboratively with others. We offer some great opportunities for career progression and development, alongside a competitive salary and a great benefits package. We have an opening for a passionate Senior Software Engineer. This would be suitable for a Mid-Level Software Engineer who is looking for that next step up as a Senior Software Engineer. THIS ROLE IS BASED IN DEESIDE 2 DAYS A WEEK, ONLY APPLY IF YOU CAN COMMUTE. What We Are Looking For: An experienced C#, .Net Engineer, who is looking to make that step up to a senior lead position. Experience of mentoring junior engineers. Experience with Microsoft Azure, Terraform, and C# in an integration team. More ❯

marketing functions already in place, led by seasoned industry veterans. Now with the launch of the platform and the launch of our clients, we are looking for an experienced Senior Software Engineer in our business. If you're willing to get stuck in, you'll love it here too. So put yourself at the heart of a … dynamic, fast-paced working environment where expertise and focus take people far. The role As a Senior Software Engineer, you'll play a critical role in evolving a fast-scaling platform that's transforming service delivery across the automotive industry. From designing scalable APIs and writing clean, efficient .NET code to building features that truly deliver … ideas, and leadership will help define how we build, scale, and improve our platform. Key responsibilities Contribute to the ongoing development of our core platform, delivering high-quality, scalable software solutions Design, build, and maintain backend services using .NET, ensuring performance, security, and reliability across multiple client implementations Develop and maintain robust APIs for frontend consumption, with a More ❯

Senior Software Engineer (.NET) | £60,000 - £75,000 | Remote-first (Midlands-based) A high growth fintech business are hiring Senior Product Engineers as part of a strategic insourcing drive. This is a backend-leaning role with real product ownership/focus. You’ll join a smart, collaborative team helping shape modern platforms that have grown … Nottingham/Midlands area. Occasional trips to London, but day-to-day you’ll be working from home. What’s exciting about this? You’ll build and evolve core .NET APIs across a product that’s scaling fast You’ll work with a proper product mindset: collaborating, not waiting to be spoon-fed tickets You’ll be part of … with a non-corporate feel. Forget high pressure PE/VC environments. Tech decisions are pragmatic, and the focus is on real product impact over chasing buzzwords Tech environment: .NET, C#, GCP, MongoDB, SQL Server Vue.js, TypeScript, JavaScript (but this role leans backend) Modern CI/CD, APIs, and cloud-native mindset What you’ll bring: Solid .NET More ❯

Senior) Software Engineer C# & .NET d/f/m London, City of London, GB, EC2R 8HP RWE Supply & Trading GmbH To start as soon as possible, full time/part time, permanent Functional area: IT/Digital Remuneration: tariff/non-tariff Department Insights It's an exciting time to join us! RWE Supply & Trading … has recently introduced a new cloud based data analytics platform and as part of a new and expanding team we are looking for an experienced Software Engineer to play key role in expanding our platform capability. Using the latest tech, the Lead in Data (LiD) platform has revolutionised the searching, sharing, transforming and on-boarding of Data within … analysis communities as well as support functions and will become an ever increasing asset across the group in the future. You will work apply your expertise in C# and .Net to build robust data services within the Mix system and help us future proof our architecture from a security and technological perspective . This role is perfect for someone More ❯

Senior) Software Engineer C# & .NET d/f/m Location(s): Swindon, Wiltshire, GB, SN5 6PB; London, City of London, GB, EC2R 8HP; Essen, NW, DE, 45141 RWE Supply & Trading GmbH Position type: Full-time/Part-time, Permanent, starting as soon as possible Functional area: IT/Digital Remuneration: Tariff/Non-tariff Department … Insights Join us during an exciting phase! RWE Supply & Trading has recently launched a new cloud-based data analytics platform. We are expanding our team and seeking an experienced Software Engineer to enhance our platform capabilities. The Lead in Data (LiD) platform has transformed data management within our organization, supporting trading, analysis, and support functions. Data is a … vital asset, and its importance will continue to grow. You will leverage your expertise in C# and .NET to develop robust data services within the Mix system, focusing on security and technological resilience. Experience with AWS environments is highly desirable. If you find this opportunity appealing, please apply now! Your future responsibilities Design and develop scalable backend services and More ❯

A bit about us For over 16 years, ClearPoint has helped organisations succeed in a continually changing digital landscape. We are a trusted technology partner combining digital design, software engineering, data and insights, cloud and platforms, and consulting services to help organisations adapt to change. We pride ourselves on forming transformational collaborative partnerships that maximise value, deliver results and … access to co-working spaces across New Zealand and Australia, to cater to some of our team and clients in different regions. The Role ClearPoint is seekingSenior and Lead Software Engineersto join our Microsoft Practice. As our capabilities continue to grow, we're partnering with clients on a range of exciting opportunities across multiple industries. As a Software Engineer at ClearPoint, you will collaborate within cross-functional teams to design, build, and maintain high-quality software solutions. Depending on your level of experience, your role will range from hands-on coding to architectural design and technical leadership. Our projects involve modern software engineering practices, cloud-native development, and scalable microservices architectures. We are looking More ❯

expertise in some of the core technical skills listed below. You thrive in a collaborative environment, readily offering support and sharing knowledge with your teammates. Core technical skills: C#, .NET, .NET Core Strong API integration skills SQL Server and NoSQL databases Unit testing frameworks Messaging within a microservice architecture Agile development (Scrum experience preferred) Good to have skills More ❯

of driven talented people from over twenty different countries, speaking multiple languages, with a physical footprint in Africa, Europe, and Latin America. The role: We are seeking a skilled Senior Full Stack Software Engineer who is proficient in both frontend and backend development. The ideal candidate will be responsible for designing, developing, and maintaining our platform and … and functionality of our applications and a strong understanding that our customers are the ultimate beneficiary of well built, scalable and working software. Key Responsibilities: Design, develop, and maintain software systems using modern frameworks and technologies. Collaborate with cross-functional teams to define, design, and ship new features. Write clean, maintainable, and efficient code. Implement responsive design principles to … frameworks/libraries such as React. Proficiency in mobile device technologies such for Kotlin (Android) and Swift (iOS) Strong understanding of server-side languages and frameworks such as Node.js, .NET, PHP, GoLang, Rust Experience with database management systems e.g., MySQL, PostgreSQL, MS SQL Server MongoDB). Familiarity with Git and branching strategies such as GitOps Solid understanding of testing More ❯

clear understanding in preparation for; writing code that creates new programs and/or writing code that creates new programs that satisfy requirements. Ensuring quality is maintained throughout the software development lifecycle in its entirety while delivering solutions on-time and on-budget. Assist with analysing and resolving technical and application problems. Your Qualifications Detailed knowledge and experience of … C# .NET (Web API, MVC) Expertise in Entity Framework and MS SQL Experience with Azure or AWS Exposure to VB.NET, TFS, Git, Windows Workflow Foundation, HTML, CSS, and JavaScript What's in it for you? Flexible working. Investment in your future career with a variety of learning and development opportunities. No dress code - embrace the freedom to bring your More ❯

Full-Stack C# Developer Sports Analytics & Trading | London (5 days in Office) Up to £130k+ Are you a C#/.NET developer who thrives in fast-paced, high-intellect environments? I'm hiring for a tight-knit, high-performing software team working at the intersection of sports analytics , automated trading , and modern software development . You'll … expect autonomy, ownership, and flexibility Greenfield projects - make architectural decisions and ship fast No prior trading or sports market experience required - just strong engineering skills Tech Stack C#/.NET (Latest versions) SQL Server , plus experience with Oracle or equivalent Bonus: exposure to JavaScript/React , multi-threading , or network programming (TCP/UDP) What You'll Be Doing … in a flat, agile structure Engage with real-time systems and data-heavy platforms (where accuracy is everything) What We're Looking For Solid experience with C# and the .NET platform Good grounding in SQL and relational database design Strong attention to detail and code quality Excellent written and verbal communication A scientific, curious mindset - and ideally a degree More ❯

are growing organically with a jam-packed roadmap to add enhanced functionality to their product. You’ll be involved in the functional design and requirements analysis phases of the software development life cycle, build new features across various parts of the product, improve their overall client experience through superb delivery standards, incorporate best practice into the team's day … SALARY: up to £65 000 depending on experience BENEFITS: Private healthcare, share options, income protection, pension, life cover. Ideally, you will have: Experience in developing web-based applications using .NET An understanding of frontend JavaScript frameworks A good appreciation of design, usability and interactivity Experience using microservices If you feel this exciting opportunity is for you, please apply as More ❯

VANRATH are partnering with a global leader in their market to recruit multiple Software Engineers to join a high-performing technology team. This is a fantastic opportunity to work on business-critical platforms used by major players in the global market. The Role You will be a key part of an Agile, cross-functional team, developing high-quality software … users and external clients. You'll contribute across the development lifecycle, with a strong focus on continuous integration, delivery, and improvement. What You'll Do Collaborate with architects and senior engineers to design scalable solutions Take ownership of feature development and drive delivery to completion Mentor junior developers and promote best practices (code reviews, unit testing, etc.) Partner with … QA to ensure robust software quality Experiment with technologies to ensure the best fit for purpose Experience Needed Essential: Strong background in C# .NET Experience database technologies (SQL/NoSQL) Secure coding and API architecture knowledge Desirable: Web development experience (React, TypeScript, JavaScript) Familiarity with cloud (AWS, Azure) Benefits A highly competitive salary package Annual bonus and performance More ❯