51 to 65 of 65 Python Jobs in Cardiff

Contract Technical Architect – AWS/Azure/Python/Terraform Remote (UK-Based) Inside IR35 | £650 per day (approx.) Start ASAP | Leading Cloud-Native Programme We're looking for a hands-on Technical Architect to join a major cloud-native transformation programme. This is a role for someone … cloud-native architecture design across both AWS and Azure, ensuring security, scalability, resilience, and operational excellence. Build automation and infrastructure tooling using Python, Terraform, and modern DevOps practices. Work closely with engineering, security, and product teams to turn business requirements into robust architectural solutions and clear technical roadmaps. Drive standards ...

Responsibilities Conduct live online Data Science training sessions (3 sessions/week, 1–1.5 hours per session) Deliver practical, industry-aligned training on: Python for Data Science Statistics & Probability Exploratory Data Analysis (EDA) Data Visualization (Matplotlib, Seaborn) Machine Learning (Supervised & Unsupervised) Model Evaluation & Optimization Guide learners through hands-on projects … recordings and learning quality standards are maintained Required Skills & Qualifications 4+ years of experience in Data Science/Analytics/ML Strong proficiency in Python, Pandas, NumPy, Scikit-learn Solid understanding of statistics, ML algorithms, and data workflows Prior experience in training, mentoring, or teaching (preferred) Excellent communication and presentation ...

solutions, is urgently seeking a Senior Data Engineer. You will work with actuarial and asset management datasets, building end-to-end data pipelines in Python (Pandas, NumPy), SQL, GCP (BigQuery), DBT, and Databricks. This role focuses on large-scale financial data, automating processes, integrating multiple data sources, and delivering actionable … Experience: Actuarial/Asset Management Data: Hands-on experience with financial securities, portfolio valuations, or actuarial outputs in investment, reinsurance, or life insurance environments. Python & SQL: Build analytical pipelines and scalable data solutions using Pandas, NumPy, and SQL. Cloud/Tools: Experience with GCP (BigQuery), DBT, and Databricks. Domain Expertise ...

maintain our platform's backend infrastructure, focusing on multi-tenant architectures, security, and efficient LLM integration. This role requires a strong understanding of Python web frameworks, cloud services (particularly AWS), and modern AI approaches including working with agentic architecture. Key Responsibilities Backend Development & Architecture - Design and implement scalable Python backend … testing Security & Compliance - Operate to the highest security standards as expected by ISO27001 Qualifications and Skills Required Skills and Experience Ø 5+ years of Python backend development experience (fewer years' experience is acceptable for exceptional candidates) Ø Strong experience of using LLMs/AI in a production setting ...

advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. ...

Is data architecture and solutions what you are passionate about? Do you have current or recent experience of leading small data teams, supporting their development whilst also working toward broader business goals? Are you currently ...

advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. ...

Why join? If you're an engineer who wants true ownership, visibility, and the chance to shape how agentic systems transform profitability in an analogous sector, this is the role for you. You won't ...

Want to drive a top brand's Data team with 1m+ users? If you love Python, implementing robust data pipelines & driving best Data practices, you may be interested in a Staff Data Engineer role I have with a highly successful Tech driven business, where you'd drive the Data function … 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. ...

helping users prioritise the changes that will genuinely move the needle. No sustainability or energy industry experience is required. If you're strong in Python 3+, PHP 8+, and MySQL 8+ and you care about sustainability, you'll feel at home here. What you'll be doing Building and maintaining … bring 5+ years' commercial web/software development experience (degree optional if your track record is strong) Extensive hands-on use of PHP 8+, Python 3+, MySQL 8+ (PostgreSQL also welcome) Solid fundamentals in HTML, CSS, JavaScript and experience with Angular 18+ Comfort deploying and managing Unix-based servers, plus ...

with our Data Science and Product teams, translating complex Sportsbook subject matter to help understand business requirements; Use programming languages such as Java or Python to create, enhance and refine our technical tools and solutions; Document and maintain your work to a high standard, for both technical and non-technical … highly motivated individuals with a mix of sports betting knowledge and technical acumen. Coding capability in at least one (preferably more) of SQL, Python or Java is extremely desirable for the role, as is knowledge of the US sports betting market. You will be analytical, mathematically minded and detail orientated ...

from day one. What you will work on You will contribute across the stack, including: Building and shipping high velocity full stack features using Python, TypeScript and React Designing backend systems that integrate with LLM driven workflows and agentic pipelines Turning messy human knowledge into structured, self improving AI behaviours … high output builder who enjoys fast paced startup environments Someone who values ownership, learning and working closely with technical founders Tech stack Languages: Python, TypeScript Front end: React Cloud: AWS AI: LLM tools, agentic systems, workflow automation Approach: First principles, rapid iteration, strong fundamentals What you will ...

Senior Backend Engineer | Python, FastAPI & Scaling | Security SaaS Prism Digital have partnered with a super interesting and niche VC-backed client specialising in attack surface management and automated red teaming. Their platform provides organisations with real-time visibility into their attack surface and potential exploitable vulnerabilities. They have received numerous … products. You will be in charge of building scalable backend services and awesome messaging queues. You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily. So the ideal candidate will come from a background of working with applications that ...

latency trading infrastructure Strong background in system architecture, performance optimisation, and fault-tolerant distributed systems Experience replacing or migrating systems from languages such as Python into Rust Comfortable taking full ownership of a greenfield project with minimal guidance (Self Starter) Strong collaboration attitude across engineering teams Flexible with working remotely … latency Rust systems from first principles Improve, refactor, and optimise the existing codebase to meet best-in-class performance standards Replace or modernise existing Python-based components where appropriate Collaborate with cross-functional teams to deliver an integrated, production-ready trading system Lead technical decision-making, architecture discussions, and coding ...

voice interaction AI-powered feedback and insights Daily habit-building loops Smooth animations and micro-interactions Build and maintain a scalable backend (Node/Python). Integrate with leading LLM APIs (OpenAI/Anthropic/etc.). The early architecture, tech stack, and development culture. Ship fast, iterate fast … need to be an expert in everything, but you should be confident working with: React Native or Swift/SwiftUI Node.js/Python backend PostgreSQL/Firebase API integrations Authentication & subscriptions Experience Required: 4+ years professional engineering experience. Experience shipping and maintaining mobile apps. Strong ability to take product requirements ...