18 of 18 Software Engineer Jobs in Cardiff

Senior Software Engineer

Hiring Organisation
Sigma
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Software Engineers - Why You Should Apply Remote Working: Opportunity to work remotely from anywhere in Europe, with quarterly fully expensed visits to the UK site in South Wales for R&D meetings. Shape the Future: This isn't just another coding job; it's a chance to make … real difference by developing software for products that improve lives across fields such as medical devices and environmental monitoring. Flexibility & Benefits: After probation, benefit from an industry-leading flexi-time scheme, enabling you to earn an extra day off each month - work-life balance done right! What ...

Software Engineer II

Hiring Organisation
Apex Fintech Solutions UK
Location
Cardiff, UK
Employment Type
Full-time
Fast Company 2021 Best API & Best Trading Technology - presented by Global Fintech Awards About This Role This is an incredible opportunity for a Software Engineer II to join Apex's Engineering team. As a software engineer you will work closely with other engineers, tech leads, product … managers, and architects to build the next generation version of Apex Compliance and Regulatory applications, and Tax & Cost Basis services. The Software Engineer will be an integral part of our team supporting the technology organization in a transformation toward a highly scalable and resilient system. This ...

Senior Software Engineer

Hiring Organisation
OptumUK
Location
Cardiff, UK
Employment Type
Full-time
Vacancy Are you a Senior Software Development Engineer looking to join a company where your work truly makes a difference? Where you're empowered to innovate, collaborate, and help shape the future of healthcare technology? Then this could be the opportunity for you. We're looking … talented Senior Software Development Engineer to join our EMIS-X Analytics team and help us build solutions that improve the lives of healthcare professionals and patients across the UK. This role focuses on solving Data Engineering challenges to enable NHS and other healthcare users to harness the analytical ...

Principal Software Engineer - Python - Fully Remote

Hiring Organisation
Oho Group Ltd
Location
Cardiff, UK
Employment Type
Full-time
Principal Software Engineer - Python - Fully Remote Experienced Python Engineer needed for an early-stage Start-Up that is already profitable and looking to expand the founding team. You will be looking to work for a Start-Up and be trusted to take responsibility on the development. Looking … world class Python Engineer, with experience with Typescript and ideally DevOps to play a crucial role. About you: 5+ years of professional Software Engineering Experience with proficiency in Python Professional experience with TypeScript Product focussed - worked closely with product during the development cycle, translating product requirements into technical ...

Senior/Lead Software Engineer

Hiring Organisation
IntaPeople
Location
CF24 0AD, Cardiff, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£51000 - £60000/annum
IntaPeople are working exclusively with a well-known Welsh based client who due to internal growth require an experienced AI focussed Software Engineer to join their digital function in Wales. The Senior/Lead Engineer will be responsible for the designing, developing, and deploying AI capabilities across … wider organisations digital function, you will work collaborate with other developers and the solutions delivery team to ensure the delivery of company wide data software projects are priority. With this being a large organisation, they’re technology estate is fairly broad but we’re looking to speak with candidate ...

Software Engineer (OS Frameworks)

Hiring Organisation
Russell Tobin
Location
Cardiff, UK
Employment Type
Full-time
Software Engineer (OS Frameworks Engineer) Location: UK Remote Contract:06 months (Full-time, Monday–Friday, 9am–6pm) About the Role As an OS Frameworks Engineer on the Reality Labs team, you will contribute to building innovative hardware and software that profoundly redefine how people work … level debugging, system profiling, AOSP, performance profiling, that will impact VR and AR product lines. Collaborate with cross-functional teams including product management, application software engineers, and partners to understand requirements, specify interfaces for new software frameworks, and enhance existing frameworks. Develop APIs in the system-level framework ...

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 based … 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 ...

Senior Software Engineer

Hiring Organisation
Sadler Recruitment
Location
Cardiff, UK
Employment Type
Full-time
Role: Senior Software Engineer Location: Cardiff (1 day a week in the office) Salary: £65,000 per annum + pension + bonus Hours: 35-hour week, flexible around life This is a senior hands-on engineering role and is ideal for someone who wants to stay close … CloudFormation, Bedrock), DynamoDB/SQL Event-driven architecture, CI/CD pipelines, Automated testing (Cypress/Playwright) Experience needed Proven experience as a Senior Engineer OR a high Mid ready to step up. Solid knowledge of at least one core language (Python or Node) Experience with serverless architecture ...

Senior Software Engineer

Hiring Organisation
Ripjar
Location
Cardiff, UK
Employment Type
Full-time
Description Ripjar specialises in the development of software and data products that help governments and organisations combat serious financial crime. Our technology is used to identify criminal activity such as money laundering enabling organisations to enforce sanctions at scale to help combat rogue entities and state actors. … based near Cheltenham, you are more than welcome to work from our office at any time. Team mission: Our engineering team builds software that makes the world a safer place. We work collectively to use technology, creativity and engineering best practice to solve problems that nobody else can. What ...

Senior Software Engineer - 2-3 month Contract

Hiring Organisation
EverGive
Location
Cardiff, UK
Employment Type
Full-time
secure the financial future of humanity, and our macro-why is a free and happy society. ️Your Mission Join us as our Senior Software Engineer and help build the future of mission-driven giving! We're looking for a highly capable Senior Engineer who thrives in early … architecture discussions and decisions, identifying long-term risks and opportunities for the platform. Continuously improve performance, tooling, workflows, and overall developer experience across the software lifecycle. Document with clarity so technical knowledge is complete, accurate, and useful for internal and external stakeholders. Enforce best practices across the team, including ...

Software Engineer, Build Compute

Hiring Organisation
Vercel
Location
Cardiff, UK
Employment Type
Full-time
agents alike create over 1 million builds per day on Vercel. Every build on Vercel is powered by our own compute Infrastructure. As an engineer on the CI/CD team you'll be responsible to contributing to our compute platform that powers builds, sandboxes and functions. This work … redefining compute with features live Active CPU pricing & Fluid Compute. As a Software Engineer on the CI/CD team, you're responsible for building the underlying compute infrastructure that powers all of these builds at scale. You'll be responsible for transforming the performance of builds, working ...

Senior Software Engineer, AI Tools & Context Team

Hiring Organisation
HubSpot
Location
Cardiff, UK
Employment Type
Full-time
empowering for both our customers and our own engineering teams. We believe in autonomy, curiosity, and building a workplace where everyone can thrive. Senior Software Engineer, Backend Meet the Team: AI Tools & Context Team - Flywheel Group Flywheel: Help HubSpot's internal sales teams become the most efficient … code quality Ensure quality and resilience in all phases — from design to deployment. We're Looking For Someone Who Is a strong senior backend engineer with experience in building and scaling backend systems. Has worked with AI/ML systems or has strong interest in applying AI in practical ...

Senior Software Engineer

Hiring Organisation
Sigma
Location
Cardiff, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Software Engineers - Why You Should Apply Remote Working: Opportunity to work remotely from anywhere in Europe, with quarterly fully expensed visits to the UK site in South Wales for R&D meetings. Shape the Future: This isn't just another coding job; it's a chance to make … real difference by developing software for products that improve lives across fields such as medical devices and environmental click apply for full job details ...

Software Engineer $200/hr Remote | Mercor

Hiring Organisation
Crossing Hurdles
Location
Cardiff, UK
Employment Type
Full-time
candidates to Mercor that collaborates with world's leading AI research labs to build and train cutting-edge AI models. Organization: Mercor Position: Systems Software Engineer (C Rust) Referral Partner: Crossing Hurdles Type: Hourly contract Compensation: $200 per hour Location: Remote Duration: 1 month Commitment: 15–20 hours … ensure reliability and reproducibility. Provide structured feedback on solution clarity and adherence to systems engineering best practices. Requirements: Strong experience as a systems engineer at a top-tier tech company or a US national lab. Strong proficiency in C Rust. Experience with debugging, testing, and validating mobile applications. Attention ...

Remote Senior Software Engineer

Hiring Organisation
Turing
Location
Cardiff, UK
Employment Type
Full-time
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 examples, providing ...

Senior Software Engineer Go

Hiring Organisation
Bud
Location
Cardiff, UK
Employment Type
Full-time
work within an innovative team developing performant, scalable and reliable applications in Go. A Bit About Backend At Bud As a Backend Engineer, you'll be a key part of the development and maintenance of our back-end systems which are the foundation of our company's products ...

Senior Software Engineer II, Messaging Platform

Hiring Organisation
HubSpot
Location
Cardiff, UK
Employment Type
Full-time
systems, networking, and performance engineering, forms the foundation of how customers communicate and grow with HubSpot. What You'll Do As a Senior Backend Engineer on the Email Sending Infrastructure team, you will: Design, build, and maintain high-scale backend services that support email sending, routing, and deliverability across … Applicants: link to HubSpot India's equal opportunity policy here. About HubSpot HubSpot (NYSE: HUBS) is an AI-powered customer platform with all the software, integrations, and resources customers need to connect marketing, sales, and service. HubSpot's connected platform enables businesses to grow faster by focusing on what ...

Software Engineer | $150 Remote | Mercor

Hiring Organisation
Crossing Hurdles
Location
Cardiff, UK
Employment Type
Full-time
At Crossing Hurdles, we work as a referral partner. We refer candidates to Mercor that collaborates with the world's leading AI research labs to build and train cutting-edge AI models. Organization: Mercor Position ...