24 of 24 Remote Software Engineering Jobs in Cardiff

Software Engineering Manager

Hiring Organisation
Airportr Technologies
Location
Cardiff, UK
Employment Type
Full-time
across hundreds of airports and carriers. Airportr sits at the intersection of travel technology, logistics, and automation, combining deep operational know-how with modern engineering to solve one of air travel's hardest problems at global scale. We're on a mission to make baggage handling invisible: intelligent, automated … effortlessly connected from doorstep to destination. What are we looking for? We're looking for a brilliant, highly experienced Software Engineering Manager to ignite and lead our distributed tech function. You will be responsible for ensuring our teams are delivering high quality, scalable software that powers ...

Senior Software Engineer (.Net)

Hiring Organisation
Primis
Location
Cardiff, UK
Employment Type
Full-time
Senior/Principal Software Engineer .NET £85,000-£110,000 Remote (UK) Do you thrive on building scalable solutions that power commerce worldwide? We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition. They're engineering a robust, merchant-centric ecosystem built … quality, resilience, and scale - and they need exceptional .NET Software Engineers to drive this evolution. Your Impact: Design and develop mission-critical platform services, APIs, and merchant portals Drive performance optimisation and system reliability through intelligent engineering Champion engineering excellence in architecture, code quality, and delivery Partner ...

Graduate Machine Learning Engineer

Hiring Organisation
Kingsgate Recruitment Ltd
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £32,000 per annum
excited by the idea of building intelligent systems that learn from data? Are you looking to start a career at the intersection of software engineering and data science? We are looking for a motivated and curious Graduate Machine Learning Engineer to join our growing AI & Machine Learning team. … real-world problems — all while receiving hands-on training, mentoring, and support from experienced ML engineers and data scientists. Whether you studied Computer Science, Engineering, Data Science, or Maths — if you're passionate about machine learning, love to build, and eager to learn, this is the perfect opportunity ...

Principal Frontend Engineer

Hiring Organisation
Morson Edge
Location
Cardiff, UK
Employment Type
Full-time
will mentor teammates and help grow their skillsets, fostering a culture of continuous learning and improvement. You will bring over 7 years of software engineering experience with deep expertise in JavaScript, TypeScript, and React. Experience in full stack development using Node.js or Go would be a nice … automated testing and quality assurance practices. Bonus skills include browser optimisation, compiler technology or UX design which will be highly regarded. Skills 7+ years software engineering experience Expert in JavaScript, TypeScript and React Strong understanding of automated testing and QA Ability to translate complex ideas into high-quality ...

Full Stack Engineer (Angular +

Hiring Organisation
MYT Shutters
Location
Cardiff, UK
Employment Type
Full-time
English (fluent) · Salary: starting from £45,000 depending on experience Overview At MYT Shutters, we are on a mission to expand and strengthen our software engineering team. Our company develops in-house advanced online ordering and automated production systems that are essential for our day-to-day business … system components - encompassing business logic, data modelling, and database design - to ensure our systems remain robust, consistent, and maintainable. This is a hands-on engineering position suited to someone who understands how data and logic flow through a system, writes clean and well-structured code, and enjoys solving complex ...

Senior Backend Engineer TypeScript

Hiring Organisation
Client Server
Location
Cardiff, UK
Employment Type
Full-time
UK. Please note: you must be a UK citizen or hold the right to work without visa restrictions. About you: You have strong backend software engineering experience with TypeScript and Node.js You have experience with Kafka and Event Driven Architectures You have a good knowledge of microservices, RESTful ...

Senior Software Engineer (Golang + Remote)

Hiring Organisation
IntaPeople
Location
Cardiff, Butetown Community, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
Great place to Work’ for several years running. Due to a large amount of continued growth we’re looking to hire 4-5 Software Engineers within their tech agnostic engineering teams. The team work remotely so candidates based throughout the UK are welcome to apply but a Cardiff … living and working within the UK. This is a fantastic time to join their product teams who have a wide range of technology products, software and services on offer. Being an experienced Engineer you will also contribute to a wide range of development projects whilst championing engineering excellence ...

Machine Learning Engineer

Hiring Organisation
Brio Digital
Location
Cardiff, UK
Employment Type
Full-time
lead the design and productionisation of Generative AI and Large Language Model (LLM) applications. This role sits at the heart of an AI-focused engineering team, delivering scalable, production-grade systems using GCP and Google's AI ecosystem. You'll be a senior, hands-on engineer owning complex technical … usage, and content safety. Develop and deploy autonomous or semi-autonomous agents using modern agent frameworks and Google AI tooling. Collaborate with product and engineering teams to translate complex business requirements into ML-driven solutions. Monitor, optimise, and continuously improve models in live production environments. Contribute to the architecture ...

Senior TechOps Engineer

Hiring Organisation
IntaPeople
Location
Cardiff, Butetown Community, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
strong focus on AWS Infrastructure. Due to substantial growth in the US market, you’ll join the team and work closely with multiple Cloud & Software Engineers to build and maintain their modern technology platform for their target market globally. Responsibilities (at a glance): You will be responsible for Designing ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Cardiff, UK
Employment Type
Full-time
developing products used by the world's largest Pharmaceutical Companies? Are you interested in working with pioneers in the field of AI and software engineering? Are you interested in innovating for impact? If you are then read on for a role with a difference where you can join … Collaborate on UI/UX integration, code reviews, architecture and roadmap decisions, and cross-functional work with data science, product, and commercial teams. Data Engineering - Design and maintain efficient data pipelines, ensuring smooth data flow between systems and LLM components while implementing robust validation, transformation, and enrichment processes. Cloud ...

Senior Software Engineer

Hiring Organisation
Aveni
Location
Cardiff, UK
Employment Type
Full-time
rounds. Since then, we've continued to grow rapidly as adoption of AI in financial services accelerates, and we're now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University … Edinburgh, giving you access to exceptional expertise and opportunities for continuous learning as part of the day-to-day work. The Role As a Software Engineer at Aveni, you'll be responsible for building and scaling the products that sit on top of FinLLM (the UK's first ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
Cardiff, UK
Employment Type
Full-time
Low Latency C++ Engineer | Crypto Trading Powerhouse Up to £185,000 DOE + RSUs + Bonus + Benefits Fully Remote (must be based in the UK) Want to help shape the future of crypto trading ...

Staff Engineer

Hiring Organisation
Sanderson
Location
Cardiff, Wales, United Kingdom
Contract type: Full time, permanent Sanderson Recruitment are exclusively supporting a FTSE 100 Financial Services and Insurance business in the search for a Staff Software Engineer. This is a unique opportunity to provide technical leadership, drive engineering best practices, and deliver scalable, high-quality solutions that support … organisation’s long-term technology goals. As a Staff Software Engineer, you will provide technical direction across multiple teams, mentor engineers, and play a key role in shaping the technical/strategic roadmap. You’ll collaborate with senior leadership to ensure engineering outputs are robust, secure, and aligned ...

Senior Software Engineer (PHP)

Hiring Organisation
True9
Location
Cardiff, UK
Employment Type
Full-time
love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write clean, maintainable, and scalable code using PHP and frameworks like Symfony across a variety of projects. Drive ...

Senior Embedded Software Engineer

Hiring Organisation
X4 Technology
Location
Cardiff, UK
Employment Type
Full-time
Embedded Software Engineer (Contract/Flexible) – Outside IR35 We are a small but established engineering firm looking to engage an experienced Embedded Software Engineer on a flexible, non-committed, Outside IR35 basis. Our existing embedded software contact is no longer available, and we are now seeking … contractor or freelancer who values autonomy, flexibility, and long-term collaboration without fixed hours or guaranteed workload. The Role Act as the primary embedded software contact for the business Take ownership of embedded firmware development as projects arise Work closely with hardware and systems engineers Support development from concept ...

Principal Software Engineer

Hiring Organisation
Harrington Starr
Location
Cardiff, UK
Employment Type
Full-time
Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development … global, real-time payments platform. Key responsibilities: Define and maintain the company's technical and architectural direction. Provide leadership and mentorship across multiple engineering teams. Drive enterprise-level design decisions, ensuring scalability and resilience. Contribute directly to coding activities in support of key deliverables. Monitor emerging technologies, influencing long ...

Senior Software Engineer (Trading Systems)

Hiring Organisation
Beamost Ltd
Location
Cardiff, UK
Employment Type
Full-time
looking for an experienced Senior Python Software Engineer to take ownership of an established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This … performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput, and reliability using profiling and performance engineering Work with Redis, Azure VMs, and Anaconda environments Implement and maintain systems requiring millisecond-level timing precision Troubleshoot production issues quickly during key market ...

Senior Software Engineer - C / C++

Hiring Organisation
ARCA
Location
Cardiff, UK
Employment Type
Full-time
Senior Software Engineer – C/C++ ARCA is currently looking for a Senior Software Engineer to join on a short-term contract to help support an automotive/motorsport engineering programme. This role suits someone comfortable working close to real-time systems, networking and performance-critical software, typically found in vehicle platforms, simulation, data or control environments. Key Responsibilities Develop and maintain high-performance C/C++ software Work on concurrent, parallel and asynchronous systems Contribute to distributed, real-time architectures (pub/sub models, time-synchronised systems) Key Skills & Experience Strong C/C++ ...

Full Stack Engineer

Hiring Organisation
Formula Recruitment
Location
Cardiff, UK
Employment Type
Full-time
Contract Senior Full Stack Software Engineer (Backend Heavy) : Up to £550 Outside IR35 : Fully Remote (UK) : 3 months (rolling) We're looking for a Contract Senior Full Stack Software Engineer to join a well-known consumer brand on a high-impact mobile and digital product initiative. … Contract Senior Full Stack Software Engineer, you'll support the delivery of new customer engagement features within an existing mobile application. This role is backend-leaning but requires strong full stack capability, with exposure to both web and mobile app environments. Key Skills: Node.js, TypeScript, BFF experience essential React.js ...

Software Engineer

Hiring Organisation
Oho Group Ltd
Location
Cardiff, UK
Employment Type
Full-time
C++ Software Engineer - Fully Remote - Up To £200k We're currently working with a global leader in software development, offering a fully remote position for a Senior Software Engineer specializing in C++. They are experiencing an exciting period of growth and are looking to bring in more … working independently Strong communicator If this does look like something that could be of interest please apply as interviews are being scheduled! C++ Software Engineer - Fully Remote - Up To £200k ...

Project Manager

Hiring Organisation
First Point Group
Location
Cardiff, UK
Employment Type
Full-time
Role Overview Seeking a highly motivated and technically adept Project Manager to lead innovative software and technology projects at the intersection of space systems, network orchestration, and digital ground segment technologies. You will manage the full project lifecycle—from planning and technical coordination through to delivery and stakeholder engagement … working within a multidisciplinary team of software engineers, system architects, and research collaborators. This role is well-suited to someone who thrives in complex, cutting-edge programmes involving satellite communications, autonomous network management, and European R&D initiatives (ESA, Horizon Europe, etc.). Key Responsibilities Lead and oversee complex ...

Staff Engineer

Hiring Organisation
YourPrime
Location
Cardiff, UK
Employment Type
Full-time
STAFF SOFTWARE ENGINEER – LEGAL AI Fully Remote Across Europe Pre-Seed Funded | Preparing for Seed | Competitive Salary + Equity Company Overview A pre-seed funded Legal AI start-up is building an intelligent platform to transform how law firms and in-house legal teams work. Backed by respected early … preparing for its Seed raise. As part of their next phase of growth, the founder is looking to establish the core engineering team before going out for the Seed round. This is an opportunity to join at a foundational stage and help shape the product, architecture and technical culture ...

Embedded Software Engineer

Hiring Organisation
Coalesce Management Consulting
Location
Cardiff, UK
Employment Type
Full-time
supporting an ongoing aerospace programme with one of CMC's long-standing clients, and we're now looking for an experienced Embedded Software Engineer with DO-178 experience to join their team. The project is well established and currently approaching Critical Design Review, with additional support required to maintain … delivery momentum. This role will support the development of an aircraft console system, with a focus on DO-178C compliance activities, including tool qualification, software reviews, and supporting documentation. There may also be the opportunity to contribute to module specifications and embedded C development, depending on experience. This ...

Senior Technical Lead

Hiring Organisation
Red Rhino Solutions
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £75,000 per annum
analysing, advising, developing and continuously improving systems and processes so they can grow with the business. Develop high-level and detailed solution designs across software applications Ensure all solutions are aligned with architectural principles, industry best practice, and security standards. Provide technical leadership and guidance through the project lifecycle … Business Technology Lead Essential: Strong experience in a senior, hands-on technical role within a small to mid-sized organisation Background as a Senior Software Engineer, Technical Lead or similar Experience working across multiple systems, platforms and integrations Experience analysing existing systems and processes and recommending better, more scalable ...