51 to 75 of 88 Senior Software Engineer Jobs in Wales

Senior Software Engineer — Maritime Data Platform

Location
Cardiff, Wales, United Kingdom
leading maritime technology company located in Cardiff is seeking a mid to senior Software Engineer to enhance their maritime technology platform. You will work on impactful solutions that drive efficiency and safety in the maritime industry, utilizing your expertise in software engineering and cloud technologies. ...

Senior Software Engineer, Partner Integrations & APIs

Location
Cardiff, Wales, United Kingdom
Go.Compare, part of Future PLC, is seeking a Senior Software Engineer to own partner integrations and architectural decisions. You’ll collaborate with external partners, lead developers, and compliance teams to design high-performance REST APIs within FCA-regulated environments. Based in Cardiff with hybrid work ...

Remote Senior Software Engineer, Backend (Identity International)

Hiring Organisation
Affirm
Location
Lampeter, Ceredigion, UK
market dynamics, customer expectations, and compliance requirements. We are a team of six engineers based across Spain and Poland. We are looking for a Senior Software Engineer who can turn ambiguous business and customer problems into reliable, well-designed technical solutions. In this role, you will help ...

Remote Senior Software Engineer, Backend (Identity International)

Hiring Organisation
Affirm
Location
Llanfairfechan, Conwy, UK
market dynamics, customer expectations, and compliance requirements. We are a team of six engineers based across Spain and Poland. We are looking for a Senior Software Engineer who can turn ambiguous business and customer problems into reliable, well-designed technical solutions. In this role, you will help ...

Remote Senior Software Engineer, Backend (Identity International)

Hiring Organisation
Affirm
Location
Blackwood, Caerphilly, UK
market dynamics, customer expectations, and compliance requirements. We are a team of six engineers based across Spain and Poland. We are looking for a Senior Software Engineer who can turn ambiguous business and customer problems into reliable, well-designed technical solutions. In this role, you will help ...

Remote Senior AI Software Engineer

Hiring Organisation
grabjobs
Location
Newport, UK
adoption of AI accelerates in financial services, we’re scaling our team to meet growing demand. The Role We're seeking a hands-on Senior AI Software Engineer with strong full-stack experience to build and ship AI-powered products into production, leveraging FinLLM … first LLM for Financial Services) and other LLMs. You won’t build or train models—instead, you'll engineer the systems, services, interfaces, and integrations that bring those models to life for advisers, analysts, and banking teams. You'll own features end-to-end, covering selection, implementation, deployment, observability ...

Remote Senior AI Software Engineer

Hiring Organisation
grabjobs
Location
Flint, Flintshire, UK
adoption of AI accelerates in financial services, we’re scaling our team to meet growing demand. The Role We're seeking a hands-on Senior AI Software Engineer with strong full-stack experience to build and ship AI-powered products into production, leveraging FinLLM … first LLM for Financial Services) and other LLMs. You won’t build or train models—instead, you'll engineer the systems, services, interfaces, and integrations that bring those models to life for advisers, analysts, and banking teams. You'll own features end-to-end, covering selection, implementation, deployment, observability ...

Remote Senior AI Software Engineer

Hiring Organisation
grabjobs
Location
Tywyn, Gwynedd, UK
adoption of AI accelerates in financial services, we’re scaling our team to meet growing demand. The Role We're seeking a hands-on Senior AI Software Engineer with strong full-stack experience to build and ship AI-powered products into production, leveraging FinLLM … first LLM for Financial Services) and other LLMs. You won’t build or train models—instead, you'll engineer the systems, services, interfaces, and integrations that bring those models to life for advisers, analysts, and banking teams. You'll own features end-to-end, covering selection, implementation, deployment, observability ...

Remote Senior AI Software Engineer

Hiring Organisation
Aveni
Location
Aberystwyth, Ceredigion, UK
adoption of AI accelerates in financial services, we’re scaling our team to meet growing demand. The Role We're seeking a hands-on Senior AI Software Engineer with strong full-stack experience to build and ship AI-powered products into production, leveraging FinLLM … first LLM for Financial Services) and other LLMs. You won’t build or train models—instead, you'll engineer the systems, services, interfaces, and integrations that bring those models to life for advisers, analysts, and banking teams. You'll own features end-to-end, covering selection, implementation, deployment, observability ...

Remote Senior AI Software Engineer

Hiring Organisation
Aveni
Location
Loughor, Swansea, UK
adoption of AI accelerates in financial services, we’re scaling our team to meet growing demand. The Role We're seeking a hands-on Senior AI Software Engineer with strong full-stack experience to build and ship AI-powered products into production, leveraging FinLLM … first LLM for Financial Services) and other LLMs. You won’t build or train models—instead, you'll engineer the systems, services, interfaces, and integrations that bring those models to life for advisers, analysts, and banking teams. You'll own features end-to-end, covering selection, implementation, deployment, observability ...

Senior Software Engineer (Java/Spring) – Lead Features

Location
Cardiff, Wales, United Kingdom
LDMS, part of the LC Financial Holdings group, is seeking a Senior Engineer in Cardiff on a hybrid basis. You will tackle complex features, design solutions, write documentation and mentor junior engineers, delivering high‐quality software on the AWS, Java/Spring Boot, PostgreSQL, React/TypeScript ...

Remote Senior Software Engineer

Hiring Organisation
grabjobs
Location
Maesteg, Bridgend, UK
process efficient. That said, every hiring decision is made by real Twilions! . See yourself at Twilio Join the team as Twilio’s next Senior Software Engineer. About the job This position is needed to deliver the best-in-class Twilio SDK experience for our customers. Twilio … focus on reliability, availability, scalability, and performance. Lead technical design efforts and ensure architecture decisions are well-documented and future-proof. Collaborate closely with senior engineers, product managers, and cross-functional stakeholders. Champion high-quality engineering practices, including automated testing, maintainable code, and thorough documentation. Own and continuously improve ...

Remote Senior Software Engineer

Hiring Organisation
Twilio
Location
Goodwick, Pembrokeshire, UK
process efficient. That said, every hiring decision is made by real Twilions! . See yourself at Twilio Join the team as Twilio’s next Senior Software Engineer. About the job This position is needed to deliver the best-in-class Twilio SDK experience for our customers. Twilio … focus on reliability, availability, scalability, and performance. Lead technical design efforts and ensure architecture decisions are well-documented and future-proof. Collaborate closely with senior engineers, product managers, and cross-functional stakeholders. Champion high-quality engineering practices, including automated testing, maintainable code, and thorough documentation. Own and continuously improve ...

Remote Senior Software Engineer

Hiring Organisation
Twilio
Location
Deeside, Flintshire, UK
process efficient. That said, every hiring decision is made by real Twilions! . See yourself at Twilio Join the team as Twilio’s next Senior Software Engineer. About the job This position is needed to deliver the best-in-class Twilio SDK experience for our customers. Twilio … focus on reliability, availability, scalability, and performance. Lead technical design efforts and ensure architecture decisions are well-documented and future-proof. Collaborate closely with senior engineers, product managers, and cross-functional stakeholders. Champion high-quality engineering practices, including automated testing, maintainable code, and thorough documentation. Own and continuously improve ...

Remote Senior Software Engineer - UK

Hiring Organisation
grabjobs
Location
Newport, UK
customers are proficient in designing and architecting microservices systems, including distributed data management and event-driven architectures are skilled in designing and operating containerised software hosted in a Cloud Provider (AWS, Azure, or GCP) have experience with cloud-based data storage, such as: Relational Databases, NoSQL Stores, data caches … do. We know great people don't always tick every box. ✨ Would be amazing if you have any experience: with petabyte-scale, high-availability software systems writing software for regulated industries What we can offer you: £90 to £114 + performance related bonus + Equity Remote ...

Remote Senior Software Engineer - UK

Hiring Organisation
grabjobs
Location
Cardigan, Ceredigion, UK
customers are proficient in designing and architecting microservices systems, including distributed data management and event-driven architectures are skilled in designing and operating containerised software hosted in a Cloud Provider (AWS, Azure, or GCP) have experience with cloud-based data storage, such as: Relational Databases, NoSQL Stores, data caches … do. We know great people don't always tick every box. ✨ Would be amazing if you have any experience: with petabyte-scale, high-availability software systems writing software for regulated industries What we can offer you: £90 to £114 + performance related bonus + Equity Remote ...

Remote Senior Software Engineer - UK

Hiring Organisation
grabjobs
Location
Haverfordwest, Pembrokeshire, UK
customers are proficient in designing and architecting microservices systems, including distributed data management and event-driven architectures are skilled in designing and operating containerised software hosted in a Cloud Provider (AWS, Azure, or GCP) have experience with cloud-based data storage, such as: Relational Databases, NoSQL Stores, data caches … do. We know great people don't always tick every box. ✨ Would be amazing if you have any experience: with petabyte-scale, high-availability software systems writing software for regulated industries What we can offer you: £90 to £114 + performance related bonus + Equity Remote ...

Remote Senior Software Engineer - UK

Hiring Organisation
grabjobs
Location
Rhyl, Denbighshire, UK
customers are proficient in designing and architecting microservices systems, including distributed data management and event-driven architectures are skilled in designing and operating containerised software hosted in a Cloud Provider (AWS, Azure, or GCP) have experience with cloud-based data storage, such as: Relational Databases, NoSQL Stores, data caches … do. We know great people don't always tick every box. ✨ Would be amazing if you have any experience: with petabyte-scale, high-availability software systems writing software for regulated industries What we can offer you: £90 to £114 + performance related bonus + Equity Remote ...

Senior Software Engineer

Location
Chepstow, Wales, United Kingdom
Looking for a senior role where you can make a positive impact on people’s lives? This is one of those rare opportunities where the projects you work on can help someone with early detection of cancer or fertility. About the Company: This medtech scale up is based near ...

Remote Senior Software Engineer, Sandboxes (EU or East Coast Preferred)

Hiring Organisation
grabjobs
Location
Rhymney, Caerphilly, UK
products including Docker Desktop, Docker Hub, and Docker Scout. We are a globally distributed, remote-first team building the tools that define how software gets built and delivered. As AI agents redefine software development, Docker is at the center of that shift, providing the sandboxed environments, verified images … without it ever touching the host, and tear the whole environment down when it's finished. The successful candidate is a technical, product-minded engineer with deep experience building secure, isolated runtime environments (sandboxes, containers, or VMs) and a track record of shipping and owning that kind of infrastructure ...

Remote Senior Software Engineer, Sandboxes (EU or East Coast Preferred)

Hiring Organisation
Docker
Location
Pembroke, Pembrokeshire, UK
products including Docker Desktop, Docker Hub, and Docker Scout. We are a globally distributed, remote-first team building the tools that define how software gets built and delivered. As AI agents redefine software development, Docker is at the center of that shift, providing the sandboxed environments, verified images … without it ever touching the host, and tear the whole environment down when it's finished. The successful candidate is a technical, product-minded engineer with deep experience building secure, isolated runtime environments (sandboxes, containers, or VMs) and a track record of shipping and owning that kind of infrastructure ...

Remote Senior Software Engineer, Sandboxes (EU or East Coast Preferred)

Hiring Organisation
Docker
Location
Lampeter, Ceredigion, UK
products including Docker Desktop, Docker Hub, and Docker Scout. We are a globally distributed, remote-first team building the tools that define how software gets built and delivered. As AI agents redefine software development, Docker is at the center of that shift, providing the sandboxed environments, verified images … without it ever touching the host, and tear the whole environment down when it's finished. The successful candidate is a technical, product-minded engineer with deep experience building secure, isolated runtime environments (sandboxes, containers, or VMs) and a track record of shipping and owning that kind of infrastructure ...

Remote Senior Software Engineer, Sandboxes (EU or East Coast Preferred)

Hiring Organisation
Docker
Location
Wrexham, Wales, UK
products including Docker Desktop, Docker Hub, and Docker Scout. We are a globally distributed, remote-first team building the tools that define how software gets built and delivered. As AI agents redefine software development, Docker is at the center of that shift, providing the sandboxed environments, verified images … without it ever touching the host, and tear the whole environment down when it's finished. The successful candidate is a technical, product-minded engineer with deep experience building secure, isolated runtime environments (sandboxes, containers, or VMs) and a track record of shipping and owning that kind of infrastructure ...

Remote Senior Software Engineer, Sandboxes (EU or East Coast Preferred)

Hiring Organisation
Docker
Location
Builth Wells, Powys, UK
products including Docker Desktop, Docker Hub, and Docker Scout. We are a globally distributed, remote-first team building the tools that define how software gets built and delivered. As AI agents redefine software development, Docker is at the center of that shift, providing the sandboxed environments, verified images … without it ever touching the host, and tear the whole environment down when it's finished. The successful candidate is a technical, product-minded engineer with deep experience building secure, isolated runtime environments (sandboxes, containers, or VMs) and a track record of shipping and owning that kind of infrastructure ...

Senior Software Engineer, Windows/Desktop Applications - Cardiff, United Kingdom

Location
Cardiff, Wales, United Kingdom
maintainability. Strong experience with accessibility APIs on Windows (e.g. Microsoft UI Automation or similar), and a dedication to building accessible and inclusive software. Excellent software engineering fundamentals: OOP, design patterns, data structures, algorithms, memory management, multi‐threading or asynchronous programming (where relevant). Experience leading technical design, mentoring other … responsibility: you define how to solve problems, own features end‐to‐end, and contribute to long‐term product vision. A purpose‐driven mission: building software that’s reliable, accessible, and user‐centered — making a real difference for people. Equal Opportunity Statement Speechify is committed to a diverse and inclusive ...