126 to 150 of 184 Software Engineering Jobs in Wales

Principal AI Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B CorporationTM
Location
Wrexham, Wales, UK
Employment Type
Full-time
Engineer to play a key role in building and productionising machine learning solutions that deliver real commercial impact. This is a hands‐on senior engineering role with strong ownership across end‐to‐end AI/ML delivery, working closely with data science, product and engineering teams. The Role … best practices including versioned data and features, CI/CD pipelines, model promotion and rollback. Collaborate with data scientists, analytics engineers, product managers and software engineers to translate business problems into AI solutions. Ensure strong standards around data quality, governance, security and responsible AI. Evaluate and adopt new tools ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Cardiff, UK
Employment Type
Full-time
leaders who are still comfortable coding, optimizing large-scale training pipelines, building collab notebooks that break the models and navigating the intersection of research, engineering, and product delivery. Roles & Responsibilities: Lead and mentor a cross-functional team of ML engineers, data scientists, and MLOps professionals. Oversee the full lifecycle … Kubeflow, or Vertex AI for scalable ML pipelines. Excellent leadership, communication, and cross-functional collaboration skills. Bachelor's or Master's in Computer Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ...

Senior Staff Engineer (Machine Learning) - 45391

Hiring Organisation
Turing
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
leaders who are still comfortable coding, optimizing large-scale training pipelines, building collab notebooks that break the models and navigating the intersection of research, engineering, and product delivery. Roles & Responsibilities: Lead and mentor a cross-functional team of ML engineers, data scientists, and MLOps professionals. Oversee the full lifecycle … Kubeflow, or Vertex AI for scalable ML pipelines. Excellent leadership, communication, and cross-functional collaboration skills. Bachelor's or Master's in Computer Science, Engineering, or related field (PhD preferred). Nice to Have: Experience building Agentic applications Experience training or fine-tuning foundation models. Contributions to open-source ...

Software Engineer

Hiring Organisation
Wave Talent
Location
Cardiff, UK
Employment Type
Full-time
growth consumer tech scaleup building a next-generation platform powering millions of active users. This is a chance to work in a fast-moving engineering environment where you'll own meaningful parts of the backend, shape infrastructure and directly influence product direction as the business scales. You'll work … within a compact, experienced engineering group that owns work end-to-end and ships ideas into production at pace. About the Role: They're looking for a Senior Backend Engineer with strong infrastructure instincts to help evolve a large-scale, data-driven platform. The role is roughly split across ...

.NET Software Engineer

Hiring Organisation
Sadler Recruitment
Location
Gorseinon, Swansea, UK
Employment Type
Full-time
Role: .NET Back End Engineer Location: Swansea (Hybrid working) Salary: £40,000 - £50,000 per annum + benefits If you want to build software that's used by major financial institutions across the world, this is worth a look. You'll join a small, trusted engineering team working ...

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 ...

Senior Embedded Software Engineer

Hiring Organisation
X4 Technology
Location
Newport, Isle of Wight, 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 ...

Software Engineer

Hiring Organisation
Iceland
Location
Wales, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
customers and looking after our teams. We understand that success is achieved through our people, and we are searching for acommitted and passionate Software Engineer to join our growing business. Purpose of the role: As a Developer within the Online IT team, you will be working with an experienced ...

Software Engineer

Hiring Organisation
Iceland Food Group
Location
Deeside, Flintshire, Wales, United Kingdom
Employment Type
Permanent
customers and looking after our teams. We understand that success is achieved through our people, and we are searching for a committed and passionate Software Engineer to join our growing business. Purpose of the role: As a Developer within the Online IT team, you will be working with ...

Software Engineer II - Frontend Focus | 70-80k £ yearly + bonuses

Hiring Organisation
itMatch
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
signed directly with the client. We provide visa sponsorship for candidates who are currently based in the UK. We're looking for a Software Engineer II - Frontend Focus to join our fast-growing team. This role is open to candidates based within a commutable distance (generally within … where the key objective is getting things done. Working closely alongside product managers and designers, our engineers are part of the full process from software design, to code, to test, to deployment and back again. Most of our engineers release code to production every few days and we have ...

Software Engineer (Backend)

Hiring Organisation
HireTalent - Staffing & Recruiting Firm
Location
Cardiff, UK
Employment Type
Full-time
Title: Software Engineer (Backend) Location: United Kingdom Type: 6 Months Contract Job Description: This is a generalist mid-level backend position within the Ads Organization. Technologies used on the team include: Languages: Go, Python, Scala Frameworks: Spark, Thrift, Kafka Data stores: Postgres, BigQuery, Redis, Druid Tools: Kubernetes, Airflow, Docker … responsibilities: You will work with the existing engineering team and help contribute to the direction of the projection and team Collaborate with cross-functional teams to design, develop, and implement solutions Create and maintain APIs, rSpec testing suite, and middleware to facilitate data flow between systems Perform system analysis ...

Senior Software Engineer

Hiring Organisation
Quantum World Technologies Inc
Location
Cardiff, UK
Employment Type
Full-time
Role: AWS Software Engineer Location: UK (Remote) Type : Permanent Job Description: • Design, develop, and maintain scalable backend services on AWS. Build event-driven architectures using SQS, Kafka, Kinesis, or RabbitMQ. • Develop high-performance applications using Scala. • Design and integrate data solutions using SQL and NoSQL databases (e.g., RDS, DynamoDB ...

Senior Software Engineer

Hiring Organisation
Quantum World Technologies Inc
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Role: AWS Software Engineer Location: UK (Remote) Type : Permanent Job Description: • Design, develop, and maintain scalable backend services on AWS. Build event-driven architectures using SQS, Kafka, Kinesis, or RabbitMQ. • Develop high-performance applications using Scala. • Design and integrate data solutions using SQL and NoSQL databases (e.g., RDS, DynamoDB ...

Senior Software Engineer

Hiring Organisation
Oracle
Location
Cardiff, UK
Employment Type
Full-time
hardware mitigation platforms. Advanced telemetry/streaming pipelines for near-real-time detection (e.g., high-rate packet/flow analytics). Background in resilience engineering, chaos testing, and capacity planning at hyperscale. Containerization/orchestration experience and secure service-to-service communication (mTLS, policy). Familiarity with zero trust … detection/mitigation capabilities that protect OCI's Tier 0 availability. Enable new customer-facing DDoS offerings with self-service policy and visibility. Raise engineering quality, automation, and compliance maturity across the stack. Ways of working Security and privacy by design; auditable controls and policy adherence from day one. ...

Senior Software Engineer

Hiring Organisation
Oracle
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
hardware mitigation platforms. Advanced telemetry/streaming pipelines for near-real-time detection (e.g., high-rate packet/flow analytics). Background in resilience engineering, chaos testing, and capacity planning at hyperscale. Containerization/orchestration experience and secure service-to-service communication (mTLS, policy). Familiarity with zero trust … detection/mitigation capabilities that protect OCI's Tier 0 availability. Enable new customer-facing DDoS offerings with self-service policy and visibility. Raise engineering quality, automation, and compliance maturity across the stack. Ways of working Security and privacy by design; auditable controls and policy adherence from day one. ...

Senior Software Engineer

Hiring Organisation
Evantis Technology
Location
Cardiff, UK
Employment Type
Full-time
Team Outside IR35/B2B | Fully Remote Evantis is partnering with a fast-moving tech company that's expanding a newly formed integrations-focused engineering team, responsible for how external partners connect into their platform. We're looking for hands-on backend engineers who enjoy building and delivering real … first IC Operating in a startup-style environment where priorities can evolve week to week What we're looking for Strong hands-on backend engineering experience (senior IC level) Deep practical experience with Node.js, TypeScript, REST APIs Comfortable explaining and delivering implementation detail, not just high-level design Experience ...

Senior Software Engineer

Hiring Organisation
Evantis Technology
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Team Outside IR35/B2B | Fully Remote Evantis is partnering with a fast-moving tech company that's expanding a newly formed integrations-focused engineering team, responsible for how external partners connect into their platform. We're looking for hands-on backend engineers who enjoy building and delivering real … first IC Operating in a startup-style environment where priorities can evolve week to week What we're looking for Strong hands-on backend engineering experience (senior IC level) Deep practical experience with Node.js, TypeScript, REST APIs Comfortable explaining and delivering implementation detail, not just high-level design Experience ...

Lead Software Engineer

Hiring Organisation
Parkdean Resorts
Location
Cardiff, UK
Employment Type
Full-time
have an exciting opportunity for a Lead Engineer to join the team. The Lead Engineer is a senior, hands-on technical leader driving engineering excellence and setting high coding, design, and delivery standards here at Parkdean Resorts. You'll influence the technical direction of products, and ensure solutions … ASP.NET, React, Azure services, SQL Server, and integration patterns. Team Management & Coaching: Line manage and mentor developers, fostering technical growth, confidence, and a collaborative engineering culture. Collaboration & Delivery: Partner with Product, Delivery, Architecture, Test, DevOps, and Data teams to ensure robust, scalable, and high-quality releases. Quality, Automation & DevOps ...

Lead Software Engineer

Hiring Organisation
Parkdean Resorts
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
have an exciting opportunity for a Lead Engineer to join the team. The Lead Engineer is a senior, hands-on technical leader driving engineering excellence and setting high coding, design, and delivery standards here at Parkdean Resorts. You'll influence the technical direction of products, and ensure solutions … ASP.NET, React, Azure services, SQL Server, and integration patterns. Team Management & Coaching: Line manage and mentor developers, fostering technical growth, confidence, and a collaborative engineering culture. Collaboration & Delivery: Partner with Product, Delivery, Architecture, Test, DevOps, and Data teams to ensure robust, scalable, and high-quality releases. Quality, Automation & DevOps ...

Software Engineer

Hiring Organisation
Loop Recruitment
Location
Cardiff, UK
Employment Type
Full-time
Remote (UK-based) Up to £55,000 | Full-Time About the Role Our HealthTech client is building a cohesive, high-performing in-house engineering team to power their growing technology suite — from web applications and data analytics platforms to AI tools and internal systems. They're looking …/UI design or design system experience Experience in startups or healthcare tech Why Join? You'll be joining a small, high-impact engineering team where your work really matters. The solutions you build will directly support people navigating important, often life-changing, healthcare decisions. If you're passionate ...

Software Engineer

Hiring Organisation
Loop Recruitment
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Remote (UK-based) Up to £55,000 | Full-Time About the Role Our HealthTech client is building a cohesive, high-performing in-house engineering team to power their growing technology suite — from web applications and data analytics platforms to AI tools and internal systems. They're looking …/UI design or design system experience Experience in startups or healthcare tech Why Join? You'll be joining a small, high-impact engineering team where your work really matters. The solutions you build will directly support people navigating important, often life-changing, healthcare decisions. If you're passionate ...

C++ Developer Windows Networking

Hiring Organisation
Client Server
Location
Cardiff, UK
Employment Type
Full-time
C++ Developer/Backend Software Engineer (Windows C/C++) Remote UK to £70k FTC Are you a skilled backend focussed C++ Developer? You could be progressing your career in a senior, hands-on role at a global market data provider.As a C++ Developer you will join an Agile … team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they ...

Senior Software Engineer Full Stack

Hiring Organisation
TPXImpact Holdings PLC
Location
Cardiff, UK
Employment Type
Full-time
About The Role Job Level: 9UK 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 ...

Senior Software Engineer Full Stack

Location
Cardiff, Glamorgan, United Kingdom
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. ...

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 ...