76 to 100 of 111 Python Jobs in South Wales

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 ...

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 ...

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 ...

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 ...

Embedded Software Engineer

Hiring Organisation
Hunter Selection
Location
Cardiff, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/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 ...

C++ Software Engineer (Remote)

Hiring Organisation
Hope Macy
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent, Work From Home
level developer your key responsibilities will be: Maintain and extend C++ Lambda services for Open Banking Build and improve React/TypeScript frontends Develop Python microservices and tooling Write and maintain AWS CDK infrastructure (Python) Ensure AL/ML services are reliably deployed and scaled across environments Participate … professional software engineering experience C++ background (at least one role in work history involving substantive C++ development) Comfortable working daily in TypeScript and Python alongside C++ Solid understanding of REST APIs and microservice architecture Comfortable with CMake build systems Proficient with Git (branching, rebasing, pull requests) Good testing habits (unit ...

DevOps Engineer

Hiring Organisation
Anson Mccade
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent, Work From Home
using tools like Terraform or CloudFormation Build and optimise CI/CD pipelines for continuous delivery Support containerised environments (Docker, Kubernetes) Develop automation scripts (Python, Bash, Shell) Work within cross-functional DevOps/SRE teams to improve system reliability and scalability Apply DevOps best practices across monitoring, logging and deployment … Engineering Hands-on with: Azure or GCP , Terraform (or similar IaC tools) and CI/CD tooling Experience with containerisation (Docker, Kubernetes) Scripting experience ( Python, Bash or similar ) Solid understanding of Linux, networking and cloud architecture Experience working in Agile environments Experience with configuration management tools (Ansible, Puppet, Chef) DevOps ...

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 ...

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 ...

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 ...

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 ...

Data Engineer

Hiring Organisation
JSS Search
Location
Cardiff, United Kingdom
Level Data Engineer to take a leading role in building and scaling the data foundations of the platform. You’ll combine strong SQL and Python skills with a DevOps mindset, architecting pipelines, automating workflows, and ensuring AI outputs are production-ready. Requirements 1.5+ years’ experience in Data Engineering or Data … Platform development Experience working with First-Party Data Strong SQL and Python fluency (data transformations, orchestration, automation) Familiarity with cloud ecosystems - Azure, AWS, or GCP Experience with CI/CD tools (Azure DevOps, GitHub Actions, or similar) Excellent communication skills and a structured, detail-oriented approach BSc in a related ...

Data Scientist

Hiring Organisation
Yolk Recruitment Limited
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
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 Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
Maintenance of accurate documentation, lineage and operational run books to support ongoing platform support Key Responsibilities Develop and maintain data pipelines using Azure Databricks (Python, PySpark and SQL) Implement ingestion and transformation across Bronze, Silver and Gold layers using Delta Lake Support and operate Azure Databricks and Azure Synapse platforms … pipelines and code reviews What you'll need to succeed Essential Proven experience as a Data Engineer Strong hands-on experience with AzureDatabricks, Python, PySpark and SQL Experience supporting Azure data platforms in production Understanding of medallion architecture and Delta Lake Desirable Experience with Azure Synapse Analytics Experience with Azure ...

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 ...

Microsoft Power Platform Developer

Hiring Organisation
Arrows
Location
Cardiff, United Kingdom
week 1 day per week in office 12-month contract £500/day Hybrid (London) Must Have Skills: Power Platform, Dataverse, Power BI, SQL, Python, AI Agent Development Please note, these skills must be in your CV to be considered for this role. We’re working with a large corporate … Power Apps, Automate, Dataverse) Proven background developing AI or Fabric data agents Skilled in Power BI reporting and data integration Confident with SQL and Python for automation and data modelling Experience working with structured and unstructured data sources Interview Process: Remote interview with Technical Manager Final face-to-face with ...

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 ...

Machine Learning Engineer

Hiring Organisation
Higher - AI recruitment
Location
Cardiff, United Kingdom
Excellent communication skills and the ability to flourish in a team Located in London/Paris and open to working in office Tech Stack: Python FastAPI Python, Typescript, or React Open source LLMs Building for production Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses ...

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 ...

Senior Site Reliability Engineer - Python

Hiring Organisation
17918
Location
Cardiff, Glamorgan, United Kingdom
Business and Trade (DBT), in partnership with Inspire People, is seeking a Senior Site Reliability Engineer with strong software engineering capability (either experience of Python development or a desire to develop Python expertise), experience building applications host... WKCL1_UKTJ ...

Senior Site Reliability Engineer - Python

Hiring Organisation
Inspire People
Location
Cardiff, UK
Employment Type
Full-time
Business and Trade (DBT), in partnership with Inspire People, is seeking a Senior Site Reliability Engineer with strong software engineering capability (either experience of Python development xxuwjjq or a desire to develop Python expertise), experience building applications host... Considering applying for this job Do not delay, scroll down and make ...

Data Engineer

Hiring Organisation
Fimador
Location
Cardiff, United Kingdom
enabling collaboration across teams. A culture of engineering excellence driven by mentoring and high-quality practices. Preferred Experience Databricks in a SaaS environment, Spark, Python, and database technologies. Event-driven and distributed systems (Kafka, AWS SNS/SQS, Java, Python). Data Governance, Data Lakehouse/Data Intelligence platforms. ...