76 to 100 of 114 Python Jobs in Wales

Machine Learning Specialist (Computer Vision & Object Detection)

Hiring Organisation
Safe Intelligence
Location
Cardiff, United Kingdom
these models to understand their requirements and guiding them through what is and is not possible or desirable in a model. Familiarity with Python and the packages widely used in data science and machine learning. Developers should be familiar with libraries like NumPy, pandas, scikit-learn, TensorFlow, and PyTorch. Familiarity ...

Senior Data Scientist

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
Cardiff, United Kingdom
solutions (AWS, Azure, or GCP). Applying advanced analytical and statistical methods to uncover insights and support decision-making. Writing maintainable, production-quality code (Python or similar) and adhering to best practices (version control, testing, CI/CD). Building scalable, deployable systems while managing risk and ensuring quality. Communicating … facing technical projects. Degree (or higher) in a STEM discipline. Proven expertise in data science, analytics, or applied machine learning. Strong coding ability in Python (or equivalent), with familiarity across cloud platforms (AWS, Azure, or GCP). Understanding of database technologies (SQL and NoSQL). Experience with CI/ ...

Data Scientist

Hiring Organisation
Harnham
Location
Cardiff, United Kingdom
actionable insights. Communicate technical results clearly to non-technical stakeholders. Skills & Experience Proven experience developing multi-touch attribution or incrementality models. Strong SQL and Python skills, able to query, clean, and manipulate complex datasets. Background in R&D, start-up, or consulting environments where innovation and adaptability are key. Experience ...

Marketing Data Analyst

Hiring Organisation
Cognify Search
Location
Cardiff, United Kingdom
strategy Work with marketing data sources (CRM, referral, and paid media) to evaluate performance and efficiency What we’re looking for: Strong SQL and Python (or R) skills for hands-on analysis Proven experience supporting Marketing, Growth, or Performance teams in a data-focused capacity Expertise in Looker and BigQuery ...

AI Transformation Lead

Hiring Organisation
Harnham
Location
Cardiff, United Kingdom
internally, building credibility across stakeholders Collaborate with COO, Head of Data, and wider transformation leads *This person needs to be able to program in Python to build prototypes/POCs* Key Details Salary/Rate: Competitive day rate (contract) Location: Central London, 5 days onsite Tech Stack: Microsoft CoPilot, LLMs ...

Lecturer Computing

Hiring Organisation
Grwp Llandrillo Menai
Location
Colwyn Bay, Conwy County, Wales, United Kingdom
Employment Type
Permanent
Salary
£50,000
need for industry and further study. What Were Looking For A degree in Computing, Computer Science or a related field. Practical experience in programming (Python, C#, Java). Strong communication and organisational skills. Desirable: knowledge of databases, networking or cybersecurity; experience teaching in FE/HE. If youre ...

Lecturer Computing

Hiring Organisation
Grwp Llandrillo Menai
Location
Colwyn Bay, Conwy County, Wales, United Kingdom
Employment Type
Permanent, Part Time
Salary
£50,000
skillsplease dont hesitate to apply. What Were Looking For A degree in Computing, Computer Science or a related field. Practical experience in programming (Python, C#, Java). Strong communication and organisational skills. Desirable: knowledge of databases, networking or cybersecurity; experience teaching in FE/HE. If youre new to teaching ...

AVP Model Validation - Liquidity/Market Risk

Hiring Organisation
Taurus Search
Location
Cardiff, United Kingdom
years in model validation of liquidity/market/counterparty risk models. Knowledge: Strong understanding and experience working with ILST/VaR models Technical: Python ...

Graduate Trading Desk Operations Engineer- (2026 Start)

Hiring Organisation
Quant Capital
Location
Cardiff, United Kingdom
Excel skills Logical thought processes A STEM degree from a top ranked University An interest and some coding ability (VBA, Ruby, Go, Lua, Scala, Python or C++ or OO Language) An appetite for delivering solutions to complex problem My client is based in London ...

Graduate Trading Desk Operations Engineer

Hiring Organisation
Quant Capital
Location
Cardiff, United Kingdom
solver Strong attention to detail Logical thought processes An interest in coding with some fundamental skills in one language (VBA, Ruby, Go, Lua, Scala, Python or C++ or OO Language) An appetite for delivering solutions to complex problem My client is based in London ...

Embedded Software Engineer

Hiring Organisation
Hunter Selection
Location
Cardiff, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum Bonus + excellent benefits
products. Your responsibilities will include: * Implementation of embedded firmware designs and test solutions pimarily in C * Firmware development and de-bugging embedded systems * Using Python and C# for test and tool development, with the creation of design documentation. Knowledge, Skills & Experience: o Engineering Degree or equivalent in a related discipline ...

Research Manager

Hiring Organisation
Harnham
Location
Cardiff, United Kingdom
interpreting political opinion polls Strong client-facing and relationship management skills Organised and capable of managing multiple projects simultaneously Proficiency in R or Python is an advantage Interest in AI applications in market research Why Join them? This is a chance to join a collaborative, innovative team delivering high-profile ...

Business Systems Support Engineer

Hiring Organisation
Experis
Location
Wrexham, Clwyd, United Kingdom
Employment Type
Contract
highly regulated sector. Exposure to IAM, MFA, RBAC and access governance. Experience with configuration management or low-code platforms. Automation or scripting exposure using Python or Bash . Experience improving ServiceNow workflows, support playbooks or knowledge management processes. Exposure to integrations, data validation and system release processes. Previous experience mentoring ...

Data Scientist

Hiring Organisation
Yolk Recruitment
Location
Cardiff, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum + benefits
delivery squads Communicate technical solutions clearly to non-technical stakeholders Contribute to best practices around coding standards, maintainability and AI-assisted development Tech Stack Python, SQL, TensorFlow, PyTorch, AWS, Azure, Microsoft Fabric, NLP, LLMs, MLOps What We're Looking For Strong commercial Data Science experience Experience building and deploying … models into production Strong understanding of predictive modelling, NLP and LLM architectures Cloud experience with AWS and/or Azure Experience with Python, SQL and modern ML frameworks Strong communication and stakeholder management skills Ability to work collaboratively in agile engineering teams Desirable Experience Risk modelling or compliance analytics Supply ...

Data/Commercial Analyst- large volumes of data & ETL

Hiring Organisation
Datatech Analytics
Location
Cardiff, United Kingdom
Data/Commercial Analyst - large volumes of data & ETL London Hybrid (2-3 days per week in office) Salary £55,000 to £65,000 negotiable dependent on skills & experience Job Reference J13022 Founded over a ...

Senior Full Stack Engineer - Python/React or Angular

Hiring Organisation
Venator Recruitment
Location
Cardiff, United Kingdom
date with developments in AI and are comfortable using AI tools to boost your productivity and problem solving The tech Our core technologies are: Python on the server side, using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side ...

Head of Data

Hiring Organisation
Harnham
Location
Cardiff, United Kingdom
HEAD OF DATA & ANALYTICS UP TO £120,000 LONDON – HYBRID - 4 DAYS A WEEK IN OFFICE Please note: you must have full UK right to work and be able to commute to West London four ...

Senior Backend Engineer (Python | AI | 3D Environments | £130,000)

Hiring Organisation
Paradigm Talent
Location
Cardiff, United Kingdom
deliver features that delight and scale. You should have 5+ years of experience developing production-grade backend systems and APIs. Strong skills in Python (FastAPI or similar) and modern cloud infrastructure. Deep understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users ...

Python Software Engineer

Hiring Organisation
Durlston Partners
Location
Cardiff, United Kingdom
Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed … global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing ...

Back End Developer

Hiring Organisation
Undisclosed
Location
Cardiff, United Kingdom
with a large team. Our leaders will be committed to your career and development from day one. Key responsibilities Back end development for a Python web application Integration of AI/ML components with frontend, backend, data and compute infrastructure Responsible for high quality software implementations according to best practices … engineers in the team and across allied teams, to build an end-to-end pipeline consuming other data products Basic qualifications: Demonstrated experience of Python backend development (e.g. using FastAPI) Bachelors degree in a relevant field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. Google Cloud ...

Full Stack Software Engineer (Golang/Typescript)

Hiring Organisation
Safe Intelligence
Location
Cardiff, United Kingdom
PyTorch-based verification toolkit. Champion an API-first development approach to deliver feature-rich, versioned interfaces that support both our TypeScript user interface and Python-based SDKs. Develop and maintain Infrastructure as Code (IaC) and DevOps pipelines to ensure reliable service delivery and updates. Requirements : The technical requirements … releases, preferably with GitHub Actions. Nice-to-haves: Familiarity with the OpenAPI specification and code generation toolsets for API development. Some experience with Python, modern development techniques, and design patterns. Experience in data science tools and ML tools (e.g., NumPy, pandas, scikit-learn, PyTorch) and open-source contributions (especially Python ...

Data Scientist

Hiring Organisation
Yolk Recruitment
Location
Cardiff, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum + benefits
that solve real business problems Develop LLM-powered solutions to automate complex workflows and unlock insights from unstructured data Build scalable AI products using Python and modern ML frameworks Deploy models into AWS and Azure production environments Work with Microsoft Fabric to engineer robust data pipelines and features Improve model … into production-ready AI solutions Keep up to date with emerging AI technologies and help shape technical direction You'll likely have experience with: Python and SQL TensorFlow, PyTorch or similar ML frameworks Large Language Models and NLP AWS or Azure Predictive modelling and machine learning Building production-ready ...

Data Analyst Trainee

Hiring Organisation
ITOL Recruit
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £50,000 per annum
employable as a data analyst. Microsoft excel - to expert level. Learn SQL - the programming language used for extracting data from more complex databases. Learn Python 3 - Python 3 is a simple to use programming language used by many analysts. Learn Tableau - Tableu is a tool which analysts use to build ...

Data Analyst Trainee

Hiring Organisation
ITOL Recruit
Location
Newport, Gwent, Wales, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £50,000 per annum
employable as a data analyst. Microsoft excel - to expert level. Learn SQL - the programming language used for extracting data from more complex databases. Learn Python 3 - Python 3 is a simple to use programming language used by many analysts. Learn Tableau - Tableu is a tool which analysts use to build ...

Data Analyst Trainee

Hiring Organisation
ITOL Recruit
Location
Swansea, West Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £50,000 per annum
employable as a data analyst. Microsoft excel - to expert level. Learn SQL - the programming language used for extracting data from more complex databases. Learn Python 3 - Python 3 is a simple to use programming language used by many analysts. Learn Tableau - Tableu is a tool which analysts use to build ...