14 of 14 Senior Software Engineer Jobs in South Wales

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 ...

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 Full Stack

Hiring Organisation
TPXImpact Holdings Plc
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£60,000
About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with ...

Senior Software Engineer Full Stack

Hiring Organisation
TPXImpact Holdings Plc
Location
Cardiff, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 Annual
About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software ...

Senior Software Engineer | $160/hr Max

Hiring Organisation
Mercor
Location
Cardiff, UK
Employment Type
Full-time
research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position: Senior Software Engineer Type: Independent contractor Compensation: $80–$160/hour Location: Remote Commitment: 15–25 hours/week, with flexibility … hours/week Role Responsibilities Review and refine AI-generated prompts, responses, and code. Validate algorithms and software concepts for technical accuracy. Provide structured feedback on solution quality and clarity. Tag and organize content by topic, difficulty, or language. Support benchmarking efforts to assess model capabilities. Work independently ...

Senior Software Engineer | $160/hr Max

Hiring Organisation
Mercor
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position: Senior Software Engineer Type: Independent contractor Compensation: $80–$160/hour Location: Remote Commitment: 15–25 hours/week, with flexibility … hours/week Role Responsibilities Review and refine AI-generated prompts, responses, and code. Validate algorithms and software concepts for technical accuracy. Provide structured feedback on solution quality and clarity. Tag and organize content by topic, difficulty, or language. Support benchmarking efforts to assess model capabilities. Work independently ...

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 … 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 ...

Senior Software Engineer (Front End)

Hiring Organisation
MATILLION LTD
Location
Cardiff, UK
Employment Type
Full-time
small development teams responsible for specific themes and initiatives. Each team is a mix of engineers with various levels of skills and experience. The Senior Front End Software Engineer works within a team to write, test and release new features, whilst also helping fix problems that arise ...

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 ...

Senior Java Software Engineer (AWS)

Hiring Organisation
LSA Recruit
Location
Cardiff, UK
Employment Type
Full-time
working with Docker and ECS Monitoring and debugging – familiarity with tools like Datadog Good understanding of DevOps/DevSecOps concepts Familiarity with Angular framework Senior Developer – Skills Senior developer with the following skills and experience. Strong communication and collaboration skills key for working in DevOps culture with ability ...

Senior Java Software Engineer (AWS)

Hiring Organisation
LSA Recruit
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
working with Docker and ECS Monitoring and debugging – familiarity with tools like Datadog Good understanding of DevOps/DevSecOps concepts Familiarity with Angular framework Senior Developer – Skills Senior developer with the following skills and experience. Strong communication and collaboration skills key for working in DevOps culture with ability ...

Sr. Software Engineer - Remote $120/hr

Hiring Organisation
Mercor
Location
Cardiff, UK
Employment Type
Full-time
research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position: Software Engineer Type: Hourly Contractor Compensation: $85–$120/hour Location: Remote Duration: 1–2 months Commitment: 20–40 hours/week Role Responsibilities Develop … deadlines and improve AI model performance. Collaborate with AI research teams to ensure system robustness and performance. Qualifications Must-Have 3+ years of elite software engineering experience in top-tier technology startups or similar environments. Highly skilled in Python. Experience with open-source contributions or large codebases. Computer Science ...

Senior Embedded Android Software Engineer

Hiring Organisation
Technology Resourcing
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Title: Senior Embedded Android Developer Location: Oxford (Hybrid: 2–3 days in office, 2–3 days remote) Reference: CLDB/TR13565 Base Salary: £80-£95k + benefits Our client is a well-funded ($100m+), fast-scaling tech innovator on a mission to transform an entire global industry. … helping them expand their Software Engineering team by hiring a Senior Embedded Android Developer to join a group of truly exceptional engineers. You'll work alongside some of the brightest minds in the UK, building new Android functionality and enhancing a highly sophisticated existing codebase. This ...

Sr. Software Engineer | $120/hr Cap

Hiring Organisation
Mercor
Location
Cardiff, UK
Employment Type
Full-time
research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position: Frontend Engineer Type: Freelance Compensation: $80–$120/hour Location: Remote Duration: 1 month Commitment: 15–20 hours/week Role Responsibilities Develop and validate coding … independently and asynchronously with flexible hours to improve AI systems. Qualifications Must-Have 3–10 years of experience as a frontend engineer. Degree in Software Engineering, Computer Science, or a related field. Strong proficiency in React, TypeScript, or JavaScript. Experience with debugging, testing, and validating code. Comfortable with technical ...