23 of 23 Permanent .NET Jobs in Cardiff

.NET Developer

Hiring Organisation
Noir
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £60,000 per annum
.NET Developer, .NET 10.0, C# 14 - Computer Gaming Company - Cardiff (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) Having sold over … games over the last decade, my client is undoubtedly the world's most recognised computer gaming brand. We have 6 brand new requirements for .NET Developer with an extensive array of talent and expertise to work in their plush Cardiff offices. You will be given complete ownership of your ...

Integration Developer

Hiring Organisation
Shaw Daniels Solutions
Location
Cardiff, UK
Employment Type
Full-time
other scripts as required. Proficient in manipulating and working with a range of data formats including JSON, XML, delimited text, Excel, etc. Familiarity with .Net development, Microsoft tools and DevOps. Responsible for the development of Azure Logic Apps, Azure Function Apps, workflows and other components as required. Provide architecture ...

Head of Engineering (AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
Cardiff, UK
Employment Type
Full-time
health, and customer impact. What You'll Bring Proven experience leading distributed engineering teams, including offshore and nearshore models Strong hands-on background with .NET, Python, and JavaScript/TypeScript Deep experience with cloud infrastructure (Microsoft Azure, AWS, Cloudflare) Strong understanding of Agile and Scrum in distributed environments Experience ...

Senior Site Reliability Engineer

Hiring Organisation
Ensono
Location
Cardiff, UK
Employment Type
Full-time
/CD Tooling (Azure DevOps, GitHub Actions or Gitlab) ◦ Monitoring Tooling (DataDog, Splunk, NewRelic, Azure Monitor, AWS CloudWatch) ◦ Demonstrable experience in multiple core technology (Dotnet, Java, AI/Data Engineering, Golang) ◦ Troubleshooting issues and identifying systemic failings indicated by incidents/failures ◦ Implementing fixes and features ◦ Proposing solutions for reducing ...

Senior Software Engineer - Backend

Hiring Organisation
Zettafleet
Location
Cardiff, UK
Employment Type
Full-time
work with. Our tech stack: We use and leverage AWS as much as possible and manage it with Terraform. Services are written in C# (.NET 9) and deployed to ECS or Lambda via GitHub Actions. We use Postgres, SNS/SQS and Redis. We have good ...

Senior Laravel Developer

Hiring Organisation
Spindogs
Location
Cardiff, Wales, United Kingdom
Hyundai, Harley-Davidson and Triumph Motorcycles. We are proud to have a well respected team of developers with expertise on both the PHP and .NET stacks and over 100 years of software experience combined. We think that PHP is a great technology for rapidly developing exciting new online systems ...

D365 CE Architect

Hiring Organisation
Harvey Nash
Location
Cardiff, UK
Employment Type
Full-time
with Dynamics 365 Customer Engagement (Sales, Service) and the Power Platform (Power Apps, Power Automate, Dataverse). Development Tools: Strong knowledge of C#/.NET, JavaScript/TypeScript, and the Web API. PCF Controls: Deep experience building and implementing PCF (Power Apps Component Framework) controls. Proficiency with AG Grid ...

Software Support Engineer

Hiring Organisation
Identify Solutions
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£34,000 - £37,000 per annum
will bring:We are looking for someone with broad technical skills, ideally with experience in some of the following: Azure, WordPress, Craft CMS, PHP, .NET, JavaScript, TypeScript, React, SQL or other databases, GitHub and JIRA. You should be methodical, customer-focused and proactive, comfortable working across a range ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Cardiff, UK
Employment Type
Full-time
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 … scale - and they need exceptional .NET Software Engineers to drive this evolution. Your Impact: Design and develop mission-critical platform services, APIs, and merchant portals Drive performance optimisation and system reliability through intelligent engineering Champion engineering excellence in architecture, code quality, and delivery Partner with cross-functional teams ...

Principal Software Engineer

Hiring Organisation
Harrington Starr
Location
Cardiff, UK
Employment Type
Full-time
Career progression in a fast-growing international technology business. Key skills required: 10+ years' experience in enterprise architecture and software engineering. Proven expertise in .NET with strong SaaS and API platform experience. Hands-on track record designing highly scalable, high-performance systems. Strong leadership, mentoring, and stakeholder management skills. ...

Mid-level/Senior Developer

Hiring Organisation
QWARE
Location
Cardiff, UK
Employment Type
Full-time
Remote Salary: £55k - £60k/yr (depending on experience) Contract Type: Permanent – Full Time Role Summary We're looking for an experienced full-stack .NET developer to join our team in a new and exciting role. This role will initially be supporting an array of clients, helping our support … features or enhancements. Maintain a strong understanding of QWARE products and underlying technologies to deliver expert-level support. Essential Skills & Experience Proficiency in C# .NET software development. Comfortable working on backend (e.g. API) web services, as well as Front-end (UX, Blazor predominantly) web services. Experience in cloud-based ...

Full Stack Engineer

Hiring Organisation
Unilink
Location
Cardiff, UK
Employment Type
Full-time
Stack Developers to join the business to assist with its new IT Solution project which has a modern, Angular web application front end and .NET core back end. You will be a key part of the project teams going forward at this very exciting time for the company. ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Cardiff, UK
Employment Type
Full-time
with ability to attend occasional team meet‐ups in London (travel expenses covered). Design, build, and maintain features across the stack: .NET (C#) based API backends, Angular (TypeScript) based frontends, SQL Server, Cosmos DB. Own mission‐critical modules such as pricing engines, itinerary or form builders, client proposal … class or 2:1 degree in Computer Science or a closely related discipline. - 4+ years building modern web or data applications with .NET and at least one JavaScript framework. - Hands-on experience with Azure or another major cloud provider, plus an understanding of microservices and event-driven architectures. ...

Senior Software Engineer (.NET, Azure) - Contract

Hiring Organisation
Curated
Location
Cardiff, UK
Employment Type
Full-time
Senior Software Engineer - .Net, Azure. - Contract £700 - 750pd UK, Remote | Contract Inside IR35 Only | 6 months January start. Curated is partnering with a global SaaS scale-up undergoing a significant platform modernisation and growth phase. The business is scaling multiple engineering teams and is looking to bring in highly … systems pragmatically, and the confidence to contribute to architectural and technical decisions. What You'll Be Doing Designing and building backend services using modern .NET Developing and scaling cloud-native solutions on Microsoft Azure Working with large, data-heavy systems using SQL Improving and refactoring existing systems to support ...

Senior Backend Developer (.NET | AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
Cardiff, UK
Employment Type
Full-time
Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With ...

Senior Software Engineer

Hiring Organisation
Ryft
Location
Cardiff, UK
Employment Type
Full-time
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 dynamic software engineer … bugs Contribute to architectural and technical decisions Collaborate with cross-functional teams to define and refine platform features Technical Skills Required Proficiency in C# .NET Experience in testing software and version control Familiarity with NoSQL databases AWS experience Experience with CI/CD tools (e.g., Github) Nice to Have ...

Software Engineer .Net/ C#

Hiring Organisation
CPS Group
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
Role: Software Engineer (.NET/C#) Working hours: 10am-6pm (aligned to US team)Fully Remote (UK-based)Salary: £50,000 - £60,000 p/annumCPS Group are partnering with a Data Consultancy to hire a Software Engineer to support their expanding US-facing development team. This role sits … engineering with real-world data challenges.The Role:You'll work primarily on the backend, developing and enhancing a core enterprise migration platform built in .NET/C#. The role has a strong focus on clean code, testing, and modern engineering practices, with exposure to large-scale, data-heavy systems.What ...

Full Stack Engineer

Hiring Organisation
Capua
Location
Cardiff, UK
Employment Type
Full-time
Senior Full Stack Software Engineer (.NET, Angular, Azure) | Remote, with office plans Q2 2026 | Competitive compensation + benefits About the role: Our client is a UK-based technology company with their own air traffic management platform expanding its engineering team to support a major programme delivering secure, cloud-native … design and delivery of resilient, secure software in a pure cloud environment. Key responsibilities: Design, develop and maintain full-stack features across a .NET backend and Angular frontend. Build and operate scalable, secure services hosted entirely within Microsoft Azure. Contribute to a cloud-native architecture designed for high availability ...

Software Engineer

Hiring Organisation
MRJ Recruitment
Location
Cardiff, UK
Employment Type
Full-time
Software Engineer Backend | .NET | Azure | APIs for AI-driven products | 2 days a week in a Irelandoffice | Up to £55k (DOE) We are exclusively supporting a fast-growing SaaS business building modern software used by tens of thousands of customers across the UK and beyond. This is not about … doing: You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .NET, SQL and Azure Implementing secure authentication using OAuth, JWT and modern security patterns Exposing product capabilities for AI services and third-party integrations Producing clear ...

Backend Programmer

Hiring Organisation
Marmalade Game Studio
Location
Cardiff, UK
Employment Type
Full-time
Join Marmalade Game Studio – Creators of Top-Selling Digital Board Games At Marmalade Game Studio, we bring the world's best-loved board games to life on mobile, PC, and console. From Monopoly to Ticket ...

Software Technical Lead

Hiring Organisation
Innovo Global Talent
Location
Cardiff, UK
Employment Type
Full-time
provide hands-on technical support to developers Lead troubleshooting and resolution of complex technical issues Hands-On Development Actively contribute to the codebase using .NET and Python Support development of software solutions integrating with WMS, automation platforms, and material handling systems Balance delivery speed with long-term system stability … Software Technical Lead, Lead Developer, or Senior Software Engineer Demonstrable experience managing and technically supporting other developers Strong, hands-on coding experience with .NET and Python Strong understanding of software architecture and system integration Background in automation, intralogistics, warehouse systems, or industrial software Experience with Warehouse Management Systems ...

Technical Product Manager

Hiring Organisation
Public Sector Resourcing
Location
Cardiff, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£42923 - £47044/annum
Technical Product Manager Companies House Details Reference number (phone number removed) Salary ?42,923 - ?47,044 A Civil Service Pension with an employer contribution of 28.97% Job grade Higher Executive Officer Band D(IT) Contract ...

Senior Account Director (Strategic New Business)

Hiring Organisation
GTT
Location
Cardiff, UK
Employment Type
Full-time
Title: Senior Account Director (Strategic New Business) Location: UK, hybrid About GTT: GTT is a leading networking and security as a service provider for multinational organizations, simply and securely connecting people and machines to data ...