1 to 25 of 40 Permanent Software Engineering Jobs in Cardiff

supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept … into proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L. Project Overview: As a Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code ...

Management, and having knowledge with ServiceNow SAMPro functionality. Roles and Responsibilites: Demonstrable hands on, full lifecycle project delivery experience migrating from SNOW/Flexera Software License Manager (SLM) to ServiceNow SAMPro in the last year Experience delivering process change relating to SAMPRO adoption into BAU teams. Intermediate knowledge … functionality, underlying data principles and reporting capabilities. Intermediate knowledge of SAMPro metering and discovery functionality and integrations including SCCM, JAMF, SAAS portals. Intermediate knowledge software asset, contractual and license data attributes. ServiceNow SAMPRO development - including OOTB and customised forms/workflow/integration through inhouse or third party suppliers. ...

Software Engineer/Backend Engineer/Fullstack Engineer/Software Developer London/Remote Reports To: CTO About the company Our client is a FinTech dedicated to building secure, high performance platforms trusted by banks, fintechs, and global merchants. With a culture centred on innovation, scalability, and reliability … they are expanding their engineering capability to support their growth. Role overview We are seeking a skilled Software Engineer to join the growing engineering team. You will design, develop, and maintain scalable backend services and APIs that power high volume transactions. This position is ideal ...

Software Development Engineer MK Test Systems develops automated electrical test solutions where software correctness, maintainability, and long-term support are critical. As part of the Halma Group, we combine the stability of an established engineering business with ongoing investment in new platforms and technologies. In this role … help guide the evolution of systems that are actively used in demanding industrial environments. We're excited to offer a new opportunity for a Software Development Engineer to join our engineering team. This role is ideal for someone looking to develop their career in a hands-on, collaborative ...

Símbolo We are looking for a Senior Engineer to establish and lead our new Developer Experience team. This team's mission is to improve engineering productivity, consistency, and satisfaction by building and maintaining the systems, processes, and tooling that underpin our Software Development Lifecycle (SDLC). You will … shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams. This is a hands-on role with significant influence: you will design systems, implement tooling, measure productivity gaps ...

Head of Engineering (AI-First SaaS Platform) £95,000 – £130,000 base + equity (EMI) + benefits Location: UK (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet operates … human risk workflows, supported by strong guardrails, deep observability, and human-in-the-loop controls where required. We are looking for a Head of Engineering to scale these production-grade agentic systems, strengthen platform reliability, and lead global engineering teams to deliver a secure, highly reliable, and operationally ...

Senior Software Engineer/Agentic AI and Machine Learning Conquer AI Location: UK based, remote friendly About Us! Conquer AI is a specialist AI consultancy and software engineering firm that helps enterprises reimagine critical processes using AI. We work with FTSE 100, FTSE 250, and Fortune … Everything we build has to be accurate, explainable, and able to stand up to scrutiny. The role! Conquer AI is looking for a Senior Software Engineers to join our senior engineering & delivery teams. This role is hands on and technical. You will be designing and building AI powered ...

Software Engineer (Java) Location: UK/Ireland (remote) Please note: You need to be based in the UK or Ireland No Visa sponsorship offered Salary: Up to £50k Engineer systems that power real-world commerce. Our client is building the next generation of capabilities that power a fast-growing … unnecessary process. If you're driven by impact and enjoy solving meaningful technical challenges, this could be an excellent fit. The Role As a Software Engineer, you will design and develop backend services, APIs, and portal systems that operate within high-availability payment processing platforms. Working within a dynamic ...

products and analytics platforms. As the Lead AI Engineer, you will define and execute Akixi's AI roadmap, combining leadership of architecture and engineering practice with hands-on development of prototypes and production features. You'll partner with Product, Data, and Platform Engineering to design and integrate … SaaS analytics platform. Prototype, develop, and integrate AI-driven components such as chatbots, voice assistants, ML models, and LLM-based analytics. Apply prompt engineering and model-tuning techniques to optimize chatbot and LLM behaviour. Conduct research, proof-of-concepts, and feasibility studies for emerging AI technologies. Collaborate with Product ...

Software Engineering role Paying between £80-100k, with a 10% bonus (performance related) Remote but occasional offsites in LDN/worldwide A SaaS platform that provides businesses and researchers with high-quality, vetted human data for studies, surveys, and AI research are looking for 2 excellent Product ...

Software Engineer/C#/React/APIs/Software/Cardiff/Permanent/Hybrid/£50,000 - £60,000 Vivo Talent is working with a business that has huge growth plans for 2026. We're actively working with them to recruit multiple Software Engineers into … that power real customer journeys. This is a genuine hands-on role with plenty of scope to influence technical decisions, shape how they build software and mentor junior engineers. If you enjoy solving complex problems, collaborating across teams and taking ownership of high-impact work, you'll feel right ...

into trustworthy AI solutions and ensuring responsible AI practices throughout. As a technical mentor, you will foster a culture of innovation, continuous learning, and engineering excellence. It is a fast-paced environment, so it is important for you to make sound, reasoned decisions. You will do this whilst learning … direction support as you solve challenging problems together. Minimum (essential) Requirements Demonstrable experience of deploying modern AI/ML solutions into production, including prompt engineering, retrieval-augmented generation (RAG), model evaluation, and monitoring using metrics (e.g. precision, recall, NDCG and drift detection). Strong Python skills with a grounding ...

Code (IaC) tooling such as Terraform, and configuration management using Ansible. The ideal candidate will be a self-starter, passionate about Site Reliability Engineering (SRE) principles, and thrive in collaborative environments. You will play a pivotal role in automating infrastructure, improving reliability and scalability, and ensuring smooth CI/… pipelines across multiple environments. You'll work closely with software engineering, and security teams to drive platform excellence. Key Responsibilities Design, build, and manage scalable, secure, and resilient infrastructure on AWS using Terraform (modularized, reusable components). Implement configuration management solutions using Ansible, including playbook development, inventory structuring ...

Role: Expert .NET Developer – Cross Asset Trading System Location: Very Flexible. Can offer Remote with occasional travel to London City offices Contract: 12 months Rate: Up to £750/day (OUTSIDE IR35) About the Role ...

Comfortable client-facing in Tier-1 bank environments · Potential to help build and lead a small AI team Core Technical Requirements: · 6–10+ years software engineering experience · 2–4+ years building AI/LLM systems in production · Experience building agentic workflows (tool calling, orchestration, RAG) · Strong backend engineering ...

ensure all applications meet user expectations and undergo rigorous UAT. What We're Looking For You don't need to be a career Software Engineer, but you must be \"technical enough\" to build robust solutions within a controlled environment. Technical Essentials: JavaScript: Strong proficiency, specifically within low-code environments ...

Senior Software Engineers – Cheshire (Remote with adhoc visits) – £65,000- £70,000 Tech: C#, .NET Core, React, Cloud Platforms, RabbitMQ, Kafka, Terraform Are you looking to join a seriously talented team undergoing a major transformation? You'll work alongside high‐level engineers, testers, and architects to modernise systems, improve … engineering practices and delivery processes across the organisation. This is a chance to shape the future of the platform while contributing to a culture that values innovation, collaboration, and continuous improvement. You will primarily drive backend service development, modernise tooling, and enhance engineering quality. ...

then this one could be for you. You'll be problem solving and designing backend python-based solutions within a well established software team, whilst gaining the exposure to work with other popular tech like React and AWS. Initial detail below... Role: Python Developer Salary … ensure best practice and outcomes for our product. Working with APIs, databases, and cloud services What They're Looking For 3 years of software engineering experience, with strong backend focus Commercial experience using Python, ideally flask 1+ year using React in a commercial environment AWS cloud knowledge Interviews ...

Senior Software Engineer Salary: Up to £75,000 Hybrid - 2 days a week in office (London/Brighton/Cardiff) Why join us? We work at the intersection of creativity, data, and cutting-edge technology to turn ideas into measurable impact. Our strength comes from diverse perspectives, collaborative teams … people first. Backed by a global media and content network, we build tools that reach real audiences at scale. The role As a Senior Software Engineer, you'll design and build high-impact tools, automation, and platforms used across global media, SEO, paid media, and content teams. ...

Senior Go Engineer As a Senior Software Engineer at YLD, you'll be part of a client team building innovative products. We're looking for someone curious, passionate, driven, and enthusiastic. You should be skilled in problem-solving and experienced in designing scalable, resilient, and fault-tolerant architectures. … also an effective communicator and a strong team player. Together with your team, you'll thrive in a fast-paced engineering environment, delivering outstanding results and exciting projects. Your day-to-day responsibilities: Crafting excellent products! As a Full Stack Engineer, focussing on Golang, you will be building ...

Software Engineer Locations available: UK, France or Spain My client is a global technology leader in electrification and automation whose purpose is to enable a more sustainable and resource-efficient future. By connecting engineering and digitalization expertise, they help industries run at high performance, while becoming more efficient … have around 110,000 employees worldwide and a history that stretches back more than 140 years. Job Description: We are currently seeking a talented Software Engineer to join our team in the United Kingdom, France or Spain. As a Software Engineer, you will be responsible for developing high ...

click Apply now to view in Trac Person Specification Apptitude & Abilities Essential Problem, Change and Release Management skills Basic understanding of the principles of Software Engineering. Strong self-sufficiency working in SQL database projects. Working knowledge of Transact SQL. Good written and verbal skills able to assimilate complex ideas ...

Intellias – a top IT employer and leading service provider. Join in and grow within the worldwide IT community. Intellias is a European-founded Software Development company with global delivery capability across Europe, India and Latin America. For more than 20 years, we've empowered our customers to embrace innovation … business development capability, as well as drive towards and close strategic deals. Requirements: 10+ years of enterprise B2B sales experience in IT services, software engineering and/or digital transformation, with a strong track record of closing complex, high-value outsourcing deals in the UK market. Proven experience ...

Senior Software Engineer (Python/Backend) | Python (Flask), TypeScript , AWS Location: London-based, Highly Flexible (Open to Remote Working Outside London) Compensation: £110,000 + Equity Role: Senior Full Stack (70% Backend/30% Frontend) The Challenge We are representing a highly profitable, London-based technology scale-up that … Technical Mission Scale the Core: Architect and maintain robust services using Python to handle massive data ingestion and automated event-tracking. High-Throughput Engineering: Optimize sophisticated background job queues (SQS) and data pipelines that power real-time triggers for global enterprise clients. Infrastructure & DevOps: Manage and evolve a modern ...

from working side-by-side. We've found that growing together, celebrating wins, debugging challenges, and refining our craft in person, builds both better software and stronger relationships. We also support flexible working for personal needs (life happens), but our culture centres on being present. We invest in learning ...