Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
Starling Bank Limited
data science or machine learning models, ideally in AML, financial crime, or a related domain Experience working with large-scale, high-dimensional, and heavily imbalanced datasets Excellent skills in Python and SQL Solid understanding of classification algorithms such as gradient boosting decision trees, including pros and cons of different model architectures Strong feature engineering skills and experience in transforming raw More ❯
Newport, Gwent, Wales, United Kingdom Hybrid / WFH Options
Reed
Senior Software Engineer Location: Newport Office (Hybrid - minimum 20% onsite) Job Type: Full-time Salary banding : £46,262 - £59,906 Join our client's modern organisation where IT services are pivotal for operational and innovative success. As a Senior Developer More ❯
Swansea Vale, Swansea, West Glamorgan, Wales, United Kingdom Hybrid / WFH Options
ERS
Job Description Junior Cloud Platform Engineer Grade: 4 Reporting to: IT Infrastructure Manager Location: Hybrid, This Role requires 3 days attendance at the Swansea office. About us IQUW is a speciality (re)insurer at Lloyd’s (Syndicate 1856) underwriting a More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
Navtech, Inc
.NET Framework, C#, and AWS (or other cloud service providers) Experience writing unit tests, component testing, integration testing, covering both functional and non-functional aspects Hands-on experience with Python in testing area Applying best practices to keep code maintainable Hands on experience with ASP.NET Web API Experience working with databases and good understanding of Entity Framework Solid understanding of … days working from home weekly Hands-on experience with RESTful/SOAP API design, development, optimization, testing, and security Deep expertise in implementation of automated functional tests using Python Broad and in-depth understanding of software testing concepts and methodologies, including unit testing, component testing, and integration testing (covering functional and non-functional aspects). Demonstrable knowledge of ISTQB best More ❯
the design, coding, testing and documentation of small scale to large, complex or mission critical applications and solutions in a cloud first environment using MS Azure with C# and Python Work closely with test engineers to reach a common understanding of acceptance criteria, the code base and test coverage Proactively investigate problems and opportunities in existing processes, evaluating and communicating More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
Navtech, Inc
databases and understanding of Entity Framework Bachelor's Degree in software engineering or a related field Good spoken and written English skills Nice-to-Haves: Hands-on experience with Python in testing area Hands-on experience with RESTful/SOAP API design, development, optimization, testing, and security Solid understanding of DevOps practices, including CI/CD pipelines (e.g., GitHub Actions … GitLab CI, Jenkins), containerization with Docker, and monitoring/logging tools Expertise in implementation of automated functional tests using Python Understanding of software testing concepts and methodologies, including unit testing, component testing, and integration testing (covering functional and non-functional aspects). Demonstrable knowledge of ISTQB best practices. ISTQB certification is a strong asset Strong capability in identifying technical challenges More ❯
the design, coding, testing and documentation of small scale to large, complex or mission critical applications and solutions in a cloud first environment using MS Azure with C# and Python Work closely with test engineers to reach a common understanding of acceptance criteria, the code base and test coverage Proactively investigate problems and opportunities in existing processes, evaluating and communicating More ❯
Newport, Wales, United Kingdom Hybrid / WFH Options
Yolk Recruitment Ltd
Senior Developer (C#/Python) Newport (x4 per month) £46,262 - £59,906 **Must be eligible for SC Clearance** The Opportunity Yolk Recruitment are excited to be working with an innovation-driven civil service organisation as they journey through an incredible digital transformation whilst prioritising forward thinking and excellent digital practices. Alongside this, they pride themselves on being a Stonewall … multi-disciplinary agile squad, contributing to the delivery of enterprise-grade solutions using modern technologies and cloud platforms. Key Responsibilities: Design, develop, test, and document scalable applications using C#, Python, and Microsoft Azure. Collaborate with QA engineers to align on test coverage and acceptance criteria. Investigate, diagnose, and resolve issues across systems and processes. Ensure adherence to governance and security More ❯
Newport, Gwent, United Kingdom Hybrid / WFH Options
Yolk Recruitment
Senior Developer (C#/Python) Newport (x4 per month) £46,262 - £59,906 **Must be eligible for SC Clearance** The Opportunity Yolk Recruitment are excited to be working with an innovation-driven civil service organisation as they journey through an incredible digital transformation whilst prioritising forward thinking and excellent digital practices. Alongside this, they pride themselves on being a Stonewall … multi-disciplinary agile squad, contributing to the delivery of enterprise-grade solutions using modern technologies and cloud platforms. Key Responsibilities: Design, develop, test, and document scalable applications using C#, Python, and Microsoft Azure. Collaborate with QA engineers to align on test coverage and acceptance criteria. Investigate, diagnose, and resolve issues across systems and processes. Ensure adherence to governance and security More ❯
Rogerstone, Gwent, United Kingdom Hybrid / WFH Options
Yolk Recruitment
Senior Developer (C#/Python) Newport (x4 per month) 46,262 - 59,906 Must be eligible for SC Clearance The Opportunity Yolk Recruitment are excited to be working with an innovation-driven civil service organisation as they journey through an incredible digital transformation whilst prioritising forward thinking and excellent digital practices. Alongside this, they pride themselves on being a Stonewall … multi-disciplinary agile squad, contributing to the delivery of enterprise-grade solutions using modern technologies and cloud platforms. Key Responsibilities: Design, develop, test, and document scalable applications using C#, Python, and Microsoft Azure. Collaborate with QA engineers to align on test coverage and acceptance criteria. Investigate, diagnose, and resolve issues across systems and processes. Ensure adherence to governance and security More ❯
City, Cardiff, United Kingdom Hybrid / WFH Options
Tenth Revolution Group
monitor on-going performance, making changes where necessary To be successful in this role you will have . Commercial experience working in AI/ML Strong programming skills with Python and other languages such as R or Java Strong cloud experience in an Azure environment (AWS or GCP also beneficial) Experience with Gen AI would be beneficial This is a More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
Tenth Revolution Group
monitor on-going performance, making changes where necessary To be successful in this role you will have . Commercial experience working in AI/ML Strong programming skills with Python and other languages such as R or Java Strong cloud experience in an Azure environment (AWS or GCP also beneficial) Experience with Gen AI would be beneficial This is a More ❯
Cardiff, Wales, United Kingdom Hybrid / WFH Options
Peaple Talent
and complex memory management scenarios. Confident navigating across multiple technology domains and full software stacks. Passionate about learning and committed to continuous professional growth. Exposure to high-level languages; Python and C# experience is a plus. Familiarity with CI/CD workflows and tooling. Skilled in working with and modernizing legacy codebases. The Package: Basic annual salary up to More ❯
Newport, Gwent, Wales, United Kingdom Hybrid / WFH Options
Intellectual Property Office
the design, coding, testing and documentation of small scale to large, complex or mission critical applications and solutions in a cloud first environment using MS Azure with C# and Python Work closely with test engineers to reach a common understanding of acceptance criteria, the code base and test coverage Proactively investigate problems and opportunities in existing processes, evaluating and communicating More ❯
the design, coding, testing and documentation of small scale to large, complex or mission critical applications and solutions in a cloud first environment using MS Azure with C# and Python Work closely with test engineers to reach a common understanding of acceptance criteria, the code base and test coverage Proactively investigate problems and opportunities in existing processes, evaluating and communicating More ❯
Newport, Gwent, United Kingdom Hybrid / WFH Options
Manchester Digital
the design, coding, testing and documentation of small scale to large, complex or mission critical applications and solutions in a cloud first environment using MS Azure with C# and Python Work closely with test engineers to reach a common understanding of acceptance criteria, the code base and test coverage Proactively investigate problems and opportunities in existing processes, evaluating and communicating More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
RVU Co UK
requirements and explain technical concepts to both technical and non-technical stakeholders alike. High level of proficiency developing applications using most of the following: Strong knowledge of SQL and Python programming. Extensive experience working within a cloud environment. Experience with big data technologies (e.g. Spark, Databricks, Delta Lake, BigQuery). Experience with alternative data technologies (e.g. duckdb, polars, daft). More ❯
Cardiff, Wales, United Kingdom Hybrid / WFH Options
Identify Solutions
Want to drive a top brand's Data team with 1m+ users? If you love building software in Python, implementing robust data pipelines & driving best practices, you may be interested in a Senior Engineer role I have with a highly successful Tech driven business, where you'd drive the Data function playing a key role optimising the acquisition & retention of … latest, best languages/frameworks for the job! You'll have broad career progression opportunities across Group, which includes several high profile household name What you'll bring: Strong Python & TDD skills Expertise in modern data architecture (dimensional modelling, data mesh, data lake) & best practices (agile, CI/CD, IaC, observability). Experience with Cloud and big data technologies (e.g. More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
ADLIB
React.js (or other modern JS libraries, but they use React.js) Exposure to event-based service-oriented architectures. Experience with CI/CD tools and container orchestration. Any use of Python & Azure DevOps would be a bonus. The right person will Be down-to-earth, easy to get on with, no ego! Be keen to explore unfamiliar tech when needed. Understand More ❯
Cardiff, South Glamorgan, Wales, United Kingdom Hybrid / WFH Options
ADLIB Recruitment
React.js (or other modern JS libraries, but they use React.js) Exposure to event-based service-oriented architectures. Experience with CI/CD tools and container orchestration. Any use of Python & Azure DevOps would be a bonus. The right person will Be down-to-earth, easy to get on with, no ego! Be keen to explore unfamiliar tech when needed. Understand More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
RVU Co UK
product-led business. Deep knowledge of modern analytics practices, including experimentation, AI/ML, and automation. Strong stakeholder influence and exceptional storytelling with data. Fluency in tools like SQL, Python, BI platforms, and cloud-based analytics. Strong grasp of business strategy, and how data can accelerate growth and operational excellence. Experience in fast-paced sectors like tech, e-commerce, or More ❯
Cardiff, South Glamorgan, United Kingdom Hybrid / WFH Options
Marco's Franchising, LLC
drive customer growth, retention, and engagement through intelligent data use. Duties and Responsibilities: Build and maintain models for customer lifetime value (CLV), churn prediction, RFM scoring, and segmentation using Python or R. Lead analysis on customer journeys, lifecycle stages, and behavioral cohorts to identify opportunities for targeting and retention. Design and evaluate CRM campaigns, including A/B and holdout … Mathematics, or Statistics. Master's Degree Preferred 5+ years of experience in marketing or customer analytics. 1+ years in a lead or manager role preferred Strong fluency in SQL, Python (pandas, scikit-learn, or similar), and CRM experimentation. Experience with A/B testing frameworks, holdout design, and incrementality measurement. The essential duties and responsibilities described above are not a More ❯
Newport, Wales, United Kingdom Hybrid / WFH Options
TRIA
want to develop your expertise in cloud development and secure service delivery, this is the perfect role for you! Key responsibilities include: Designing and building modern applications using C#, Python and Microsoft Azure Working with QA engineers and product teams to define and meet technical requirements Investigating and resolving issues across development and production systems Contributing to cloud architecture, API More ❯
Newport, Gwent, United Kingdom Hybrid / WFH Options
Tria
want to develop your expertise in cloud development and secure service delivery, this is the perfect role for you! Key responsibilities include: Designing and building modern applications using C#, Python and Microsoft Azure Working with QA engineers and product teams to define and meet technical requirements Investigating and resolving issues across development and production systems Contributing to cloud architecture, API More ❯
Rogerstone, Gwent, United Kingdom Hybrid / WFH Options
Tria
want to develop your expertise in cloud development and secure service delivery, this is the perfect role for you! Key responsibilities include: Designing and building modern applications using C#, Python and Microsoft Azure Working with QA engineers and product teams to define and meet technical requirements Investigating and resolving issues across development and production systems Contributing to cloud architecture, API More ❯