1 to 25 of 37 Senior Software Engineer Jobs in Wales

About the Role Aforza is looking for a Senior Software Engineer to join our Cloud Platforms engineering team, where you will be working with a friendly team of highly talented engineers building out Aforza’s industry-leading cloud solutions. In this role, you’ll be building the backend of our Aforza Studio product, an advanced Digital Asset … the heart of Cardiff city centre Our Interview Process A 30 min intro call with an Engineering Manager A 1-2 hour interview with an Engineering Manager and a senior engineer. This will either be in person in our Cardiff office or remote over Google Meet. We will ask you questions on your experience and history and dive into More ❯

and continues to innovate and lead the industry. While we are well-positioned to help shape the future of television and streaming media worldwide, continued success stems from experienced software engineers like you developing core features for the Roku platform. Our new Senior Software Engineer will be contributing extensively to our container orchestrated platform, bringing together … technologies to develop a truly scalable and robust solution. To be successful you’ll need extensive experience of building reliable and scalable cloud-based solutions, a strong background in software engineering and an appetite to keep on top of modern software practices. This is a great role for a senior professional who enjoys a high level of … you’ll be doing Design, develop and deliver high-quality web applications and back-end services. Work as a part of a high functioning team consisting of UX designers, software engineers, dev-ops, quality assurance and product management. Work both independently and paired with other team members to ensure efficient delivery of prioritised features. Take part in the planning More ❯

Mid/Senior Software Engineer - Full Stack (React/TypeScript/Node.js) Cardiff/Remote (UK only) Aforza aims to transform the lives of every consumer on the planet by helping the world’s best Consumer Goods companies become more agile, efficient, productive, and sustainable. We do this by introducing never-before-seen capabilities, including 'Active' Customer … moving company. We recognise the exceptional talent we are lucky to have in our team and reward them accordingly. About the Role Aforza is looking for a Mid to Senior Software Engineer to join our Cloud Platforms engineering team, located in Cardiff, where you will be working with a friendly team of highly talented engineers building out … s pull requests Take part in all aspects of SCRUM, including sprint planning, reviews, retros and backlog estimation What We’re Looking For We’re looking for an experienced Software Engineer who is now looking to embark on a new challenge with an amazing team of engineers. Ideally you are someone who has: Strong frontend development experience building More ❯

Senior Software Engineer Location: Newport Office (Hybrid - minimum 20% onsite) Job Type: Full-time Salary banding : £46,262 - £59,906 Join our client's modern organisation where IT services are pivotal for operational and innovative success. As a Senior Developer, you will engage with cutting-edge cloud technologies, including AI and ML, and contribute to projects More ❯

Social network you want to login/join with: Senior Software Engineer - AI Product Company - FULLY REMOTE IN UK - £125k - TypeScript/Python/React/AWS/GenAI, cardiff col-narrow-left Client: Opus Recruitment Solutions Location: cardiff, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 6 Posted: 26.06.2025 … Expiry Date: 10.08.2025 col-wide Job Description: I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior Software Engineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users … . They’re solving complex problems in the FinTech + AI space, and as a Senior Software Engineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and More ❯

Social network you want to login/join with: Senior Software Engineer - AI Product Company - FULLY REMOTE IN UK - £125k - TypeScript/Python/React/AWS/GenAI, newport col-narrow-left Client: Opus Recruitment Solutions Location: newport, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 6 Posted: 26.06.2025 … Expiry Date: 10.08.2025 col-wide Job Description: I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior Software Engineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users … . They’re solving complex problems in the FinTech + AI space, and as a Senior Software Engineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and More ❯

is critical to support and grow Roku's rapidly expanding ad business. It is the mission of the Ad Engineering Team to build this platform. We are hiring a Senior Software Engineer, Advertising Platform, to be a vital part of this mission. If you bring extensive experience building complex systems, love great technology at scale, enjoy mentoring … non-technical audiences Be an evangelist for best practices across all functions – developers, QA, and infrastructure/ops Be an evangelist for platform innovation and reuse Deliver top-quality software in a timely fashion We're excited if you have 10+ years of experience building large scale and low latency distributed systems Command of Java or C++ Solid understanding More ❯

ahead and apply. We'd love to hear from you! About The Role Salary: Up to £80,000 dependent on experience HL are looking for a talented full stack Senior Software Engineer to join our Pensions, ISAs & Investments product development team in building market leading solutions for our clients. This is an opportunity to join the UK More ❯

Our client is a leading provider of Network Security solutions specializing in automatic detection and mitigation, network visibility, analytics, and reporting tools. About the Role Are you a seasoned software engineer with a passion for designing and developing cloud-native Infrastructure-as-Code (IaC) solutions from the ground up? Our client is seeking a talented and motivated Senior Software Engineer to lead the development of our next-generation observability platform. THIS IS NOT A DEVOPS ROLE. Responsibilities Collaborate within a dynamic software engineering team to architect and build a new cloud-native IaC platform. Develop software using technologies such as Docker Compose, Terraform, Kubernetes (K8s), Python, and Go. Provision and orchestrate open-source … portable to other public cloud or on-premises setups. Engage in the full development lifecycle: design, define work, document, debate, code, debug, and support features from inception. Qualifications A software developer experienced in designing and delivering complex IaC capabilities from scratch, not merely operating existing environments. A background in developing cloud-native systems software within SaaS organisations. Demonstrated More ❯

Our client is a leading provider of Network Security solutions specializing in automatic detection and mitigation, network visibility, analytics, and reporting tools. About the Role Are you a seasoned software engineer with a passion for designing and developing cloud-native Infrastructure-as-Code (IaC) solutions from the ground up? Our client is seeking a talented and motivated Senior Software Engineer to lead the development of our next-generation observability platform. THIS IS NOT A DEVOPS ROLE. Responsibilities Collaborate within a dynamic software engineering team to architect and build a new cloud-native IaC platform. Develop software using technologies such as Docker Compose, Terraform, Kubernetes (K8s), Python, and Go. Provision and orchestrate open-source … portable to other public cloud or on-premises setups. Engage in the full development lifecycle: design, define work, document, debate, code, debug, and support features from inception. Qualifications A software developer experienced in designing and delivering complex IaC capabilities from scratch, not merely operating existing environments. A background in developing cloud-native systems software within SaaS organisations. Demonstrated More ❯

Social network you want to login/join with: An excellent opportunity awaits an experienced software developer with strong .NET and React skills to join a leading software company in a role offering strong technical variety, ongoing development opportunities, and involvement in genuinely interesting projects. This company builds innovative software and data management systems that support critical … decision-making in sectors such as environmental monitoring, infrastructure, and energy. In this role you'll join as a senior member of the development team, taking a hands-on role in the full lifecycle of a specialist management platform. You’ll help shape the product’s technical direction, mentor junior team members, and lead across design, implementation, and delivery. … or GCP). A background or interest in scientific, environmental, or infrastructure-related domains is a bonus. This is an excellent opportunity to join a collaborative and tech-focused software team in a senior position offering a mix of engineering depth, meaningful projects, and long-term growth. The Role: *Full-stack development using .NET and React *Azure DevOps More ❯

Mid/Senior Software Engineer - Salesforce Cardiff/Remote (UK only) Aforza aims to transform the lives of every consumer on the planet by helping the world’s best Consumer Goods companies become more agile, efficient, productive, and sustainable. We do this by introducing never-before-seen capabilities, including 'Active' Customer Segmentation, Real-Time Promotion Execution and … moving company. We recognise the exceptional talent we are lucky to have in our team and reward them accordingly. About the Role Aforza is looking for a Mid to Senior Software Engineer to join our Salesforce engineering team, located in Cardiff, where you will be working with a friendly team of highly talented engineers building out Aforza … s pull requests Take part in all aspects of SCRUM, including sprint planning, reviews, retros and backlog estimation What We Are Looking For We’re looking for an experienced Software Engineer who is now looking to embark on a new challenge with an amazing team of engineers. Ideally you are someone who has: Experience with Salesforce technologies Ideally More ❯

Job Title:** Senior Full-Stack Software Engineer **Job Function:** Software Engineering **Therapy Area/Industry:** Health-Tech **Location:** Wrexham, UK **Job Description:** Proclinical is seeking a Senior Full-Stack Software Engineer to contribute to the development of innovative digital products in the health-tech space. In this role, you will collaborate with a … to new languages, frameworks, containers, and cloud technologies. **Key Skills and Requirements:** - Proficiency in at least one of the following: Java, Node.js, React.js, or React Native. - Strong understanding of software engineering best practices, including testing and continuous integration. - Familiarity with Linux environments. - Knowledge of DevOps practices and containerization in cloud environments. - Understanding of SQL databases is highly desirable. Please More ❯

deployment, helping to shape the business for the future? This role may be for you. We are currently working with a global fintech partner who are looking for a Senior Software Engineer to join the team who on one side would be comfortable in leading daily and big weekly sprints getting to the heart of the issues … comfortable putting on a pair of headphones and cracking on with deployment code into a cloud environment. The team themselves are highly collaborative and will consist of 2 other senior engineers and a handful of mid level and junior developers who would love to learn off the back of your own experiences. Responsibilities Writing clean, high-quality, high-performance … maintainable code Providing clear guidance to colleagues on best practice. Develop and support software including applications, database integration, interfaces, and new functionality enhancements Coordinate cross-functionally to insure project meets business objectives and compliance standards Identify and resolve performance bottlenecks with the optimization of cloud resources. Support test and deployment of new products and features Participate in code reviews 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 More ❯

rapidly becoming the platform of choice for Oracle SaaS workloads, backs the API Gateway for serving customer applications, as well as supporting Data Science processing use cases. The Positions Senior Software Engineer As we expand and grow our team, we are seeking engineers with varying levels of experience. Those who are starting their career with us will … have a hunger and passion for learning. Those who join us with more experience will have diverse skills across programming, networking, storage, internet protocols and operating systems. An engineer at any level can have significant technical and business impact. As a member of our diverse and skilled teams, you will have the opportunity to solve and design solutions to … a typical day, you will be working as part of a small, focused, agile team and could be doing one or more of the following: Programming, testing and operating software at the heart of OCI. You might be: Writing backend code in Java, Python, Go Lang or another modern programming language. Working with containerisation and virtualisation technologies such as More ❯

rapidly becoming the platform of choice for Oracle SaaS workloads, backs the API Gateway for serving customer applications, as well as supporting Data Science processing use cases. The Positions Senior Software Engineer As we expand and grow our team, we are seeking engineers with varying levels of experience. Those who are starting their career with us will … have a hunger and passion for learning. Those who join us with more experience will have diverse skills across programming, networking, storage, internet protocols and operating systems. An engineer at any level can have significant technical and business impact. As a member of our diverse and skilled teams, you will have the opportunity to solve and design solutions to … a typical day, you will be working as part of a small, focused, agile team and could be doing one or more of the following: Programming, testing and operating software at the heart of OCI. You might be: Writing backend code in Java, Python, Go Lang or another modern programming language. Working with containerisation and virtualisation technologies such as More ❯

Job Title: Senior Software Engineer Salary: £70,929 - £78,810 Location: Newport or Cardiff Hours: Full-time Working Pattern: Our work style is hybrid, which involves spending at least two days per week currently, or 40% of our time, at our Newport or Cardiff Office. About us... Like the modern Britain we serve, we’re evolving. Investing … we meet the ever-changing needs of our 26 million customers. We’re growing with purpose. Join us on our journey and you will too... About this opportunity As Senior Software Engineer, you’ll bring your deep technical expertise to the table, driving technical development and delivery in key areas. You’ll focus to solving complex challenges … with your specialised knowledge taking ownership of critical tech delivery within your team. In this role, you’ll lead way in shaping the direction of our software solutions, using your expertise to make impactful decisions and drive success. You’ll collaborate closely with the team and product owner to ensure delivery excellence. If you’re someone who thrives on More ❯

Job Title: Senior Software Engineer Salary: £70,929 - £78,810 Location: Newport or Cardiff Hours: Full-time Working Pattern: Our work style is hybrid, which involves spending at least two days per week currently, or 40% of our time, at our Newport or Cardiff Office. About us... Like the modern Britain we serve, we’re evolving. Investing … we meet the ever-changing needs of our 26 million customers. We’re growing with purpose. Join us on our journey and you will too... About this opportunity As Senior Software Engineer, you’ll bring your deep technical expertise to the table, driving technical development and delivery in key areas. You’ll focus to solving complex challenges … with your specialised knowledge taking ownership of critical tech delivery within your team. In this role, you’ll lead way in shaping the direction of our software solutions, using your expertise to make impactful decisions and drive success. You’ll collaborate closely with the team and product owner to ensure delivery excellence. If you’re someone who thrives on More ❯

Senior Software Engineer – C++ Role : Senior Software Engineer Location : Powys/SY15Onsite role with potentially one day working from home Salary: Up to £70k plus benefits JOB OPPORTUNITY! Our client is a specialist engineering/manufacturing company who operate globally.This role will have responsibility for designing and developing new software within an engineering … and manufacturing setting using C++/C and embedded software. Senior Software Engineer role - Designing and developing software in C C for hard, real-time embedded products as well as products using real-time Linux. Writing and reviewing requirements for both complete products and software components. Undertake code reviews of other people’s work. Act … for more junior team members. Occasionally lead projects as required, taking on both design and planning responsibility when required. Plan own work and that of other junior engineers Perform software test including automated and manual test. Senior Software Engineer – Degree Qualified in an Engineering Discipline (or equivalent experience) Capable of working within team environments. Excellent communication 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. Knowledge More ❯

Senior Software Engineer -UK This is an office-based role in Bangor, North Wales Salary – DOE Our client is seeking an experienced Senior Software Engineer to join the Team at Bangor. Why You Should Work Here… Our employees are at the heart of everything we do, which is why they are our biggest investment. … top-notch benefits, and a company culture focused on employee development and career enhancement. Our team members can communicate and collaborate with colleagues around the world. Job Summary : The Software Engineer is responsible for the design, development, and deployment of internal and external software systems and solutions. They are also responsible for mentoring junior engineers, providing technical … leadership, and contributing to strategic decisions that shape the future of our technology stack. Key Responsibilities : Provides end-to-end software solution development, including: Takes ownership of specific application(s) and system(s) areas, as assigned. Continuously refines and improves code, updating and advancing current code base, as feasible. Maintains the value of application code(s) as a Company More ❯

Senior Software Engineer -UK This is an office based role in Bangor, North Wales Who We Are... With over 33 years in the industry, Gaming Laboratories International is the global leader in the testing and certification of gaming devices and systems. We are proud of our stability and our history of world-class customer service delivery to … top-notch benefits, and a company culture focused on employee development and career enhancement. Our team members can communicate and collaborate with colleagues around the world. Job Summary The Software Engineer is responsible for the design, development, and deployment of internal and external software systems and solutions. They are also responsible for mentoring junior engineers, providing technical … leadership, and contributing to strategic decisions that shape the future of our technology stack. Key Responsibilities Provides end-to-end software solution development, including: Takes ownership of specific application(s) and system(s) areas, as assigned. Continuously refines and improves code, updating and advancing current code base, as feasible. Maintains the value of application code(s) as a Company More ❯

Posted Wednesday, June 4, 2025 at 11:00 PM Senior Software Engineer -UK This is an office based role in Bangor, North Wales Who We Are With over 33 years in the industry, Gaming Laboratories International is the global leader in the testing and certification of gaming devices and systems. We are proud of our stability and … top-notch benefits, and a company culture focused on employee development and career enhancement. Our team members can communicate and collaborate with colleagues around the world. Job Summary : The Software Engineer is responsible for the design, development, and deployment of internal and external software systems and solutions. They are also responsible for mentoring junior engineers, providing technical … leadership, and contributing to strategic decisions that shape the future of our technology stack. Key Responsibilities : Provides end-to-end software solution development, including: Takes ownership of specific application(s) and system(s) areas, as assigned. Continuously refines and improves code, updating and advancing current code base, as feasible. Maintains the value of application code(s) as a Company More ❯

Job Title: Senior Embedded Software Engineer Location: Cardiff Working Arrangement: On-Site 4 Days Per Week Key Experience/Skills: Knowledge of C, RTOS Knowledge of communication protocols Knowledge of UART, SPI, I2C C++ programming experience is desirable Experience working within a team taking a product from concept through to production Education: Degree in Software Engineering More ❯