14 of 14 DemandTrendPermanent Senior Developer Jobs in Wales

Senior Software Developer (C#, .NET ) Newport - Hybrid £36,000 - £47,000 VIQU are working in partnership with a leading organisation who are seeking a Senior Software Developer with a strong focus on integration and backend development. The successful Senior Software Developer will be experienced with a background in C# and .NET technologies who are … capable at building configurable systems and reusable code libraries. Key Responsibilities of the Senior Software Developer: Design, develop and maintain reusable C# component libraries used for integrating third-party applications with internal systems Build and configure instances of a Windows service engine to support message processing and data repository population Develop, test, deploy and maintain backend integration services … remotely with some in-office time expected during onboarding and collaboration periods Maintain awareness of technical developments, applying best practices in software development and integration Key Requirements of the Senior Software Developer: Proven expertise in backend software development using C#, .NET, and object-oriented programming Strong SQL knowledge and the ability to write and maintain complex queries Familiarity More ❯

Viqu has partnered with a leading organisation seeking a Senior Software Developer with strong full stack expertise in C#, JavaScript, REST APIs, and SQL. As a Senior Software Developer, you’ll build responsive web interfaces and develop robust backend services, delivering scalable, high-performance solutions. You’ll join a fast-paced Agile team, driving new features … and maintaining critical systems that support essential public services. Key Responsibilities of the Senior Software Developer: Design, develop and maintain responsive web applications focusing on user experience and accessibility Deliver frontend components using JavaScript, Bootstrap and CSS, ensuring consistency and usability Collaborate with back-end developers to integrate service-layer logic and APIs Participate in Agile ceremonies including … adherence to coding standards and best practices Collaborate with subject matter experts, testers, and technical teams to ensure software solutions meet user and operational requirements. Key Requirements of the Senior Software Developer: Proven commercial experience developing frontend web applications using JavaScript, Bootstrap and CSS Strong knowledge of C# and object-oriented programming principle Experience consuming and working with More ❯

Senior Software Engineer (React Native Mobile App Developer) Senior Software Engineer (React Native Mobile App Developer) A bit about Net World Sports Join Net World Sports on our mission to become the world's leading sports equipment retailer. Nothing excites us more than finding hungry, talented individuals and unleashing them in a team capable of achieving … incredible things. We're looking for an experienced Senior React Native Developer to join our small, focused Scrum team working on mobile applications for both iOS and Android. You'll be responsible for building new apps and maintaining existing ones using React Native with TypeScript and GraphQL. You'll need a strong grasp of Native Mobile development as More ❯

Senior Salesforce Developer - DESNZ - G7 Full-time (Permanent) National: £55,105 - £62,475 London: £60,620 - £67,565 plus up to £10k allowance Published on 7 August 2025 Deadline 22 August 2025 Location Birmingham, Cardiff, Darlington, Edinburgh, London, Salford About the job Job summary The Integrated Corporate Services (ICS) is a new shared corporate service, launched in July … transparency and collaboration. Our commitment to user-focused design and data-driven decision-making ensures that we deliver accessible services tailored to the needs of our customers. As a Senior Salesforce Developer, you will be responsible for the design, development, implementation, and maintenance of customised solutions within the ICS Digital Salesforce platform. You will lead technical projects and … quality, scalable, and efficient Salesforce solutions that meet the needs of our customers in DESNZ and DSIT. This is a crucial new role that will sit within the Software Developer team, you will work alongside Civil Servants and Contractors to develop a range of services on our Salesforce Platform. Visit our blog to learn more about us and our More ❯

Senior Oracle PL/SQL Developer | Digital Transformation | 1 day per week into Cardiff | £50,000 + benefits Method Resourcing have partnered exclusively with a fantastic global organisation who are looking to hire a Senior Oracle PL/SQL Developer into a global team delivering truly innovative technology. The role: You will be working in a … newly-formed talented Agile team acting a senior member of the team overseeing an offshore software engineering team on the development of replacing a huge legacy application (Oracle) as my client looks to migrate all of their global data into modern microservice development. Why Apply? Be part of an innovative, mission-driven global team Flexi-time to suit you … will be working on true innovation in an ethical industry – if that sounds of interest to you then please apply, or reach out to thomas.morris@methodresourcing.co.uk for more information. Senior Oracle PL/SQL Developer | Digital Transformation | 1 day per week into Cardiff | £50,000 + benefits More ❯

Senior Oracle PL/SQL Developer | Digital Transformation | 1 day per week into Cardiff | £50,000 + benefits Method Resourcing have partnered exclusively with a fantastic global organisation who are looking to hire a Senior Oracle PL/SQL Developer into a global team delivering truly innovative technology. The role: You will be working in a … newly-formed talented Agile team acting a senior member of the team overseeing an offshore software engineering team on the development of replacing a huge legacy application (Oracle) as my client looks to migrate all of their global data into modern microservice development. Why Apply? Be part of an innovative, mission-driven global team Flexi-time to suit you … will be working on true innovation in an ethical industry – if that sounds of interest to you then please apply, or reach out to thomas.morris@methodresourcing.co.uk for more information. Senior Oracle PL/SQL Developer | Digital Transformation | 1 day per week into Cardiff | £50,000 + benefits More ❯

and environmental stewardship. The organisation is committed to sustainability, community involvement, and economic revitalisation, working in partnership to support residents, local businesses, and visitors. Your new role As a Senior Developer, you'll play a key role in delivering a customer account feature for a major public-facing website. This is a hands-on role focused on designing More ❯

Senior Microsoft Dynamics 365 CRM Developer Location: Hybrid Salary: £75,000 Key Responsibilities Technical Delivery & Solution Design Take a lead role in the development and support of Microsoft MVC and .NET web applications and C# Console and API solutions, ensuring best practices are followed throughout the software lifecycle. Full working knowledge of SQL SERVER and Entity Framework. Work More ❯

Senior Oracle PL/SQL Developer | Digital Transformation | 1 day per week into Cardiff | £50,000 + benefits Method Resourcing have partnered exclusively with a fantastic global organisation who are looking to hire a Senior Oracle PL/SQL Developer into a global team delivering truly innovative technology. The role: You will be working in a … newly-formed talented Agile team acting a senior member of the team overseeing an offshore software engineering team on the development of replacing a huge legacy application (Oracle) as my client looks to migrate all of their global data into modern microservice development. Why Apply? Be part of an innovative, mission-driven global team Flexi-time to suit you … Cardiff. You will be working on true innovation in an ethical industry - if that sounds of interest to you then please apply, or reach out to for more information. Senior Oracle PL/SQL Developer | Digital Transformation | 1 day per week into Cardiff | £50,000 + benefits RSG Plc is acting as an Employment Agency in relation to More ❯

residents through innovation and excellence. With a strong commitment to social impact and modernisation, this is a place where your work will truly matter. Your new role As the Senior Software Developer, you'll be the cornerstone of a brand-new in-house development team. You'll lead the design and implementation of a cutting-edge, event-driven More ❯

safe and sustainable aviation future. Our global teams deliver a reliable, optimum, and customized user experience to more than 500 customers worldwide. We are looking for a seasoned Software Developer with experience in designing, implementing, and optimizing SaaS applications in a microservices-based environment. As a member of our team, you will contribute to all aspects of the software … Demonstrated experience in leading software development teams, fostering a collaborative and high-performance culture, and effectively representing the team's technical vision and needs to stakeholders, including architects and senior management Strong capability in identifying technical challenges and bottlenecks, constructively proposing and implementing effective solutions (either individually or by guiding the team), while actively building team engagement, fostering a More ❯

Join Net World Sports on our mission to become the world's leading sports equipment retailer. Nothing excites us more than finding hungry, talented individuals and unleashing them in a team capable of achieving incredible things. WHAT YOU'LL DO More ❯

We are seeking a Senior Front-End Software Engineer to play a key role in translating UI/UX designs into responsive, high-quality front-end interfaces using Blazor and related technologies. This role involves developing reusable components, ensuring cross-platform compatibility, and collaborating closely with backend teams. Key Responsibilities Analyze and interpret UI/UX designs in Figma More ❯

knowledge, they are the opposite to corporate and almost function as a start-up environment (which can be described as organised chaos). Role overview (at a glance): Software Developer - Mid or Senior level A competitive starting salary of £35,000 - £65,000(depending on experience) Hybrid working 3days onsite 25 Days Annual Leave + Bank Holidays Interview More ❯