Software Developer Jobs in Wales, United Kingdom

Clio operate team builds and maintains an innovative work and case management platform for legal, energy, telecoms, and property sectors. The Software Developer role develops full‑stack features in C#, .NET, HTML, CSS, JavaScript, and SQL, optimizes hand‑crafted SQL queries, designs event‑driven workflows with Event Store, enhances search with ElasticSearch, modernizes components to .NET 8+ and Svelte.js, and automates infrastructure with Pulumi and Azure DevOps.

Application Platforms team at Freshfields builds secure, scalable software solutions that drive operational excellence. The Software Developer designs and implements Intapp Intake forms, workflows, and integrations, collaborates on architecture, and supports incident resolution.

Software Developer Trainee – a zero‑experience role designed to launch a career in digital technology. The position offers 12 weeks of fully funded, online training delivered by the UK government, after which successful candidates secure a full‑time role.

The Verification team at bet365 is re-architecting its critical verification platform to support real-time facial recognition and operational tooling. As a Software Developer, you will build scalable, low-latency solutions using Golang, React, and cloud technologies within an agile environment.

Atos Group's Digital Application Services (DAS) function seeks a Lead Software Developer to design, develop, and deliver scalable full-stack solutions that modernize services and improve resilience for business operations. Day-to-day work includes leading technical design and delivery, mentoring engineers, driving DevOps and continuous delivery practices, owning production services, and collaborating with architects, product managers, and client stakeholders.

Atos Group's Digital Application Services (DAS) function seeks a Lead Software Developer to design, develop, and deliver scalable full-stack solutions that modernize services and improve resilience for business operations. Day-to-day, you will lead technical design and delivery, mentor engineers, drive DevOps and continuous delivery practices, own production services, and collaborate with architects, product managers, and stakeholders across Agile teams.

Gaming Platform team at Bet365 builds and scales the technology behind world‑class iGaming products. The role develops and supports Golang microservices and React front‑ends, owning features from requirement through go‑live while collaborating across web, API and transaction sub‑teams.

Cyber Services and Capabilities team delivers cutting‑edge cybersecurity solutions for clients. As a Senior Software Developer you will design, build and maintain secure full‑stack JavaScript applications on the ServiceNow platform, handling everything from requirements gathering to deployment and support.

Software Developer Trainee role at Ecareers offers a fully funded 12‑week training program for individuals with no prior experience. Candidates will work on coding projects under experienced developers, develop software modules, test patches and bug fixes, and collaborate across teams.

Frazer‑Nash Consultancy’s Software and Digital Architecture capability delivers high‑impact software solutions for critical national challenges. The Experienced Software Developer will design, develop, and maintain Java and C++ components, collaborate on‑site with clients, scientists and engineers, and mentor junior staff while shaping technical direction.

Atos Group seeks a Lead Software Developer for its public sector account to drive engineering excellence and deliver secure, scalable digital services. This client-facing role involves technical leadership, hands-on development with TypeScript and Node.js on AWS, and mentoring agile teams.

Cyber Services and Capabilities team at nccgroup builds secure, custom solutions on the ServiceNow platform to protect the organization’s digital assets. The Senior Software Developer designs, develops and integrates ServiceNow applications, gathers requirements, conducts testing, and provides documentation and ongoing support while collaborating with system administrators and IT staff.

Egis is a global architectural, consulting, construction engineering, operations and mobility services firm creating intelligent infrastructure and buildings. As a BIM Developer based in the Bristol office, you will maintain and evolve an internal suite of custom BIM tools used by a civil engineering team for 3D modelling, checking, and data delivery.

PlayStation SDK Developer CPU Toolchain team at Sony Interactive Entertainment builds and maintains the core development tools for PlayStation platforms. The Software Development Manager leads and mentors a high‑impact engineering team, defines career paths, and drives operational excellence across multiple time zones.

BizApps Commerce Team at 8x8 builds and operates the billing infrastructure that powers the company's commercial engine, handling customer billing, partner onboarding, and revenue flow. The Senior Software Developer will design and develop scalable backend systems, own components end‑to‑end, and collaborate with cross‑functional partners across Salesforce, finance, and channel ops.

Clio is a global leader in legal AI technology, empowering legal professionals. We are seeking a Senior Full-Stack Software Engineer for the Sharedo engineering team in Manchester, UK. The role involves developing full-stack features using C#, .NET, HTML, CSS, JavaScript, SQL, optimizing SQL queries, designing event-driven workflows with Event Store, enhancing search with ElasticSearch, modernizing to .NET 8+ and Svelte.js, containerized deployments, automating infrastructure with Pulumi and Azu

Join the In-Play team within the Sports Platform department at bet365 to enhance the flagship sports product with innovative real-time betting features. You will develop scalable solutions on Linux and Cloud platforms, focusing on speed, accuracy, and user-friendly interfaces for live sporting events.

BeyondTrust’s Endpoint Privilege Management team seeks a Software Development Engineer to design, build, and ship features for their cybersecurity SaaS platform. The role involves full-stack development using Java, Spring Boot, Angular, and TypeScript within an AI-first engineering culture.

The In-Play team at bet365 builds the flagship Sports product, delivering real-time betting, Live Streaming, and Match Live features to over 120 million customers. As a Frontend Software Developer, you will write sharp, scalable React/TypeScript code, design low-latency and highly available front-end solutions, and support product owners and testing teams across the full delivery cycle.

As a Senior Software Developer on the Cerberus real-time identity platform at bet365, you will spearhead AI-driven engineering for facial recognition and identity systems that support compliance and operational functions in regulated jurisdictions. Day-to-day, you will lead the hands-on development of scalable, maintainable systems, apply governance around solution design and code quality, guide a small team of developers, and act as a point of escalation for incidents.