1 to 25 of 188 Permanent Full-Stack Development Jobs in Wales

the founding team and the open-source community, you’ll influence both the product and the company’s broader strategy. Key Responsibilities: Feature Development: Plan, develop, test, deploy, and iterate on new features from start to finish. Community Engagement: Actively participate in the platform’s community on GitHub More ❯

the founding team and the open-source community, you’ll influence both the product and the company’s broader strategy. Key Responsibilities: Feature Development: Plan, develop, test, deploy, and iterate on new features from start to finish. Community Engagement: Actively participate in the platform’s community on GitHub More ❯

of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You … Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development — from requirements, technical design, development, testing, deployment, to post-release monitoring and maintenance. Establish, enforce, and continuously evolve software … requirements (e.g., GDPR, ISO 27001, OWASP Top 10). Team Management & Culture Build and scale high-performance engineering teams, including backend, frontend, full-stack, data, and security engineers. Define and track KPIs for engineering productivity, quality, and performance. Promote an engineering culture grounded in ownership, collaboration More ❯

of Engineering to lead and scale our software engineering function. This senior leadership role will focus heavily on software engineering excellence across full-stack development, system design, architecture, and software delivery processes — while also overseeing our data engineering, cloud infrastructure, and security functions. You … Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development — from requirements, technical design, development, testing, deployment, to post-release monitoring and maintenance. Establish, enforce, and continuously evolve software … requirements (e.g., GDPR, ISO 27001, OWASP Top 10). Team Management & Culture Build and scale high-performance engineering teams, including backend, frontend, full-stack, data, and security engineers. Define and track KPIs for engineering productivity, quality, and performance. Promote an engineering culture grounded in ownership, collaboration More ❯

or working on AI driven solutions for both internal users and customers. Essential skills and experience: C# .Net JavaScript SQL Full stack development experience Nice to have skills and experience: Angular SQL Server AWS TDD Microservices We have a starting salary up to £60k More ❯

or working on AI driven solutions for both internal users and customers. Essential skills and experience: C# .Net JavaScript SQL Full stack development experience Nice to have skills and experience: Angular SQL Server AWS TDD Microservices We have a starting salary up to £60k More ❯

Senior Full-Stack Developer – High-Growth Tech Startup Location: Remote Salary: Up to £85,000 This ambitious, early-stage tech startup is transforming how digital platforms leverage data and automation. Backed by a growing client base and a clear product vision, they are building a solution … that integrates complex data sources to power real-time insights and streamlined workflows. They are now seeking a Senior Full-Stack Developer to join their lean, high-performing team. This is a pivotal opportunity for someone who thrives in fast-paced environments, enjoys autonomy, and brings … from shaping APIs to delivering high-performance user interfaces helping define the technical direction of a rapidly evolving product. Responsibilities Lead full-stack development using NestJS, MongoDB, React, and TypeScript. Integrate and manage third-party APIs, including Meta’s API and a separate More ❯

Senior Full-Stack Developer – High-Growth Tech Startup Location: Remote Salary: Up to £85,000 This ambitious, early-stage tech startup is transforming how digital platforms leverage data and automation. Backed by a growing client base and a clear product vision, they are building a solution … that integrates complex data sources to power real-time insights and streamlined workflows. They are now seeking a Senior Full-Stack Developer to join their lean, high-performing team. This is a pivotal opportunity for someone who thrives in fast-paced environments, enjoys autonomy, and brings … from shaping APIs to delivering high-performance user interfaces helping define the technical direction of a rapidly evolving product. Responsibilities Lead full-stack development using NestJS, MongoDB, React, and TypeScript. Integrate and manage third-party APIs, including Meta’s API and a separate More ❯

AWS) Databases : 🌳 PostgreSQL, DynamoDB Additional Tools & Frameworks : 🌳 GraphQL 🌳 REST APIs 🌳 Software Design Patterns – TDD, DDD 🌳 Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. … Cloud & Database Management : Build scalable, cloud-based solutions using AWS , PostgreSQL , and DynamoDB . API Development : Integrate RESTful APIs and GraphQL to enable smooth data flow between services. Software Design Patterns : Apply TDD (Test Driven Development) and DDD (Domain Driven Design) best practices to ensure maintainable … efficient code. DevOps & CI/CD : Use DevOps processes, including virtualization , containerization , and CI/CD pipelines to streamline development and deployment. Agile Collaboration : Work closely with cross-functional teams using Scrum and Kanban to deliver high-quality products in an agile environment. Requirements : Polyglot Developer : Proficiency in More ❯

start-up – or both! What you’ll need Strong experience across the TypeScript stack (Node.js & React) Comfortable across both backend & frontend development, but can have a lean towards one area of the stack Ideally expertise in infrastructure/DevOps Experience in a fast-paced More ❯

driven by quality engineering & innovation and try to do things in a product mindset based around their end users. The role is FULL-STACK but definitely leaning towards the backend. Their stack: Python React/TypeScript Node.js AWS PostgreSQL GenAI + experience with another More ❯

driven by quality engineering & innovation and try to do things in a product mindset based around their end users. The role is FULL-STACK but definitely leaning towards the backend. Their stack: Python React/TypeScript Node.js AWS PostgreSQL GenAI + experience with another More ❯

work. We pride ourselves on being team players who can work 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 Software Engineer to join our fast-paced IT department. More ❯

Advance the values of the organisation (caring, accountability, integrity, empowerment, passion, fun) What will make you stand out: Extensive experience in professional software development, with a strong track record of building and delivering high-quality applications Expert proficiency with JavaScript (NextJS, TypeScript, and SST) Strong experience with Event More ❯

Advance the values of the organisation (caring, accountability, integrity, empowerment, passion, fun) What will make you stand out: Extensive experience in professional software development, with a strong track record of building and delivering high-quality applications Expert proficiency with JavaScript (NextJS, TypeScript, and SST) Strong experience with Event More ❯

create client experiences with deep personalisation, working seamlessly across devices and channels. Hargreaves Lansdown is looking for a talented and enthusiastic senior full-stack (React/Typescript/Next.js/Node.js) engineer, that is passionate about delivering market-leading digital experiences for our clients, to join … to genuinely stamp your mark on one of the UK's most innovative and digital-focused businesses. Role Responsibilities Build and run full-stack web applications with TypeScript, Next.js, Node.js, React. Develop and maintain design component library, implementing from Figma designs. Strategically plan, establish and maintain … work pre-planning - coming up with architectural options including trade-offs. Demonstrate a willingness to learn and further technologies & techniques embraced by the development team. Cultivate strong working relationships both within working squad and in HL as a whole. Actively participating in working groups and communities of practice More ❯

a Full Stack Engineer to help design, develop, and scale our FinTech platform. This role leans heavily towards backend development, where you'll be responsible for building and optimising the core services and APIs that drive our system. You’ll work on ensuring high More ❯

a Full Stack Engineer to help design, develop, and scale our FinTech platform. This role leans heavily towards backend development, where you'll be responsible for building and optimising the core services and APIs that drive our system. You’ll work on ensuring high More ❯

Developer you'll take ownership and run small client bespoke projects working across the full tech stack from backend development using TypeScript and Node, through to React on the front end as part of a collaborative team. Location/WFH: You can work from More ❯

Developer you'll take ownership and run small client bespoke projects working across the full tech stack from backend development using TypeScript and Node, through to React on the front end as part of a collaborative team. Location/WFH: You can work from More ❯

Job Description What Were Looking For Proven experience leading development projects and mentoring developers. Expertise in Symfony, Vue.js, HTML, SCSS, JavaScript, and MySQL. Strong version control skills (Git) and experience working with APIs & package managers. Ability to enhance and modernise legacy codebases while ensuring stability. Problem-solving mindset More ❯

-time Senior-level Software Engineer to join the NGIS EU in team in Canada, UK or Italy to help with the development and delivery of our TraceMark Software as a Service products. The TraceMark Sustainable Solution factory includes products for: Sustainable Sourcing (https://tracemark.com … tracemark.com/flow) Sustainable Fashion (https://materialsimpactexplorer.com/). As a Senior Software Engineer, you will be responsible for building full-stack web, desktop and mobile applications based on customer requirements. You will primarily be working on TraceMark Software as a Service solutions as … part of a high performing, multinational software development team. You will need to have strong written and verbal communication skills and be able to work independently, occasionally dealing directly with clients. About You At least 5 years of commercial software development experience and familiarity with agile More ❯

-time Senior-level Software Engineer to join the NGIS EU in team in Canada, UK or Italy to help with the development and delivery of our TraceMark Software as a Service products. The TraceMark Sustainable Solution factory includes products for: Sustainable Sourcing (https://tracemark.com … tracemark.com/flow) Sustainable Fashion (https://materialsimpactexplorer.com/). As a Senior Software Engineer, you will be responsible for building full-stack web, desktop and mobile applications based on customer requirements. You will primarily be working on TraceMark Software as a Service solutions as … part of a high performing, multinational software development team. You will need to have strong written and verbal communication skills and be able to work independently, occasionally dealing directly with clients. About You At least 5 years of commercial software development experience and familiarity with agile More ❯

Optionally explore AI/ML workflows if of interest (Python helpful) What We’re Looking For 3–4+ years' experience in backend web development Strong skills in Node.js/TypeScript , web APIs, and cloud infrastructure Experience with RDBMS (Postgres preferred) Comfortable working independently — minimal hand-holding needed Bonus More ❯

What Were Looking For Proven experience leading development projects and mentoring developers. Expertise in Symfony, Vue.js, HTML, SCSS, JavaScript, and MySQL. Strong version control skills (Git) and experience working with APIs & package managers. Ability to enhance and modernise legacy codebases while ensuring stability click apply for full More ❯