Python programmer jobs in Cardiff - Page 2Create job alerts

C++ Software Engineer - Fully Remote - Up To £200k.We're currently working with a global leader in software development, offering a fully remote position for a Senior Software Engineer specializing in C++.They are experiencing an exciting period of growth and are looking to bring in more elite engi

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

Software Engineer (Contract) – Python / FastAPI. Python developers who enjoy building production systems from the ground up and working independently on application development, while collaborating closely with a wider AWS platform team.

Solid understanding of Python fundamentals. We're looking for a Mid-Level to Senior Python Developer with a strong STEM background — someone who can not only write clean, effective code but also understand and work with scientific tables and datasets. Write clean, maintainable Python code.

Embedded Software Engineer (Contract / Flexible) –.Our existing embedded software contact is no longer available, and we are now seeking a.This role is ideal for an experienced contractor or freelancer who values.Take ownership of embedded firmware development as projects arise.Work closely with h

Do you thrive on building scalable solutions that power commerce worldwide?.We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition.They're engineering a robust, merchant-centric ecosystem built on quality, resilience, and scale - and they need except

Principal Software Architect (FinTech SaaS) – UK Remote.We are representing a scaling B2B FinTech that provides core decisioning infrastructure for the global financial services sector.Their enterprise SaaS technology enables major lenders to modernise their credit assessment processes, allowing f

This innovative AI startup is redefining safety and reliability in AI models.While competitors like GPT and DeepMind struggle with hallucinations and illegal content generation, this company adds.AI outputs are trustworthy and compliant.Working with high-profile, they’re building AI models that ca

Front End JavaScript Developer.Front End Development Team Lead.North London office (Monday – Wednesday).As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions.In all teams we cooperate with internal and external experts from differ

This includes curating code examples, providing precise solutions, and making corrections in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go; evaluating and refining AI-generated code for efficiency, scalability, and reliability; and working with cross-functional teams to enhance e

Proficiency in one or more: Java/Python/C++/Rust/Go (strong preference for Java for control-plane/services).

Python, scikit-learn, PyTorch, TensorFlow/Keras, LangChain, Pydantic, Spark, Kafka, Databricks, MLflow, Azure, Docker, Kubernetes. Hands-on Python for data science and ML.

Языки: С++, для единичных задач Lua и Python;.

Low Latency C++ Engineer | Crypto Trading Powerhouse.Up to £185,000 DOE + RSUs + Bonus + Benefits.Fully Remote (must be based in the UK).Want to help shape the future of crypto trading?.This is a chance to join one of the world’s leading crypto trading platforms and a team known for its cutting-e

Aveni is redefining how financial institutions use AI.We build real, production-ready agentic systems that reshape how banks, advisers and financial services firms operate, replacing fragmented processes with intelligent, end-to-end workflows.We have been recognised as Fintech of the Year for two co

Языки: С++, для единичных задач Lua и Python;.

Proficiency in one or more: Java/Python/C++/Rust/Go.

I’m currently working with a global, market leading engineering business who are looking for a.North Wales on a hybrid basis!.In role you will be joining an experienced development team and play a key role in delivering a variety of product solutions and interfaces used by their clients.You’ll p

Python (FastAPI) backend that powers AI driven insights and data heavy systems. Building and maintaining scalable APIs and backend services in Python using FastAPI. Proven experience developing APIs or backend services with Python and FastAPI.

Design and implement robust, scalable, and secure full-stack solutions using React / Python / Django / MySQL. Desirable technology skills: Python, Django, React, JavaScript, MySQL, SPAs, AWS (Lambda, CloudFormation, RDS).

Base Salary + Discretionary Bonus + Equity.We are a stealth-mode AI laboratory researching and developing Machine Learning models.The founding team consists of Cambridge graduates and former engineers at Google, Meta, Bloomberg, Microsoft and Amazon.We are backed by prominent investors from the US a

Python, JavaScript, Azure, AWS, AI, LLM's, RAG.

Strong experience with Python, Node. Strong experience with Python, Node.

We’re excited to be supporting an ongoing aerospace programme with one of CMC’s long-standing clients, and we’re now looking for an experienced Embedded Software Engineer with DO-178 experience to join their team.The project is well established and currently approaching Critical Design Review,

Curated is partnering with a global SaaS scale-up undergoing a significant platform modernisation and growth phase.The business is scaling multiple engineering teams and is looking to bring in highly experienced contract Software Engineers to support complex, high-impact delivery.This role is suited

About Webigence and Spark Travel.UX‑first, often highly complex software.Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but.Alongside a handful of long‑standing third�

Strong foundational programming skills in Python.

This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems.We are looking for an engineer with a strong background in the C#.NET ecosystem, and a preference for candidates with significant experie

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract.We’re looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes.This is a hands-on role delivering backend solutions under tight dead

TypeScript, Node, React, Next, GraphQL, AWS.Central London (London Bridge / Bank).Fully Remote (once a quarter to London & Edinburgh).UK public sector to meet statutory climate reporting requirements.You’ll operate with huge autonomy and work directly with design, product, and policy teams.If you

An independent technology consultancy based in beautiful Saltaire, West Yorkshire.Join our small, close-knit and talented team on our mission to help people and businesses thrive through technology.If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you��

CMS, Service Portal, Front-End Development, Quality & Testing.The Junior ServiceNow Developer will support the design, development, and testing of ServiceNow CMS and Service Portal solutions within a regulated retail environment.The role is delivery-focused, working under the guidance of senior deve

Develop and implement new plug-ins to boost the functionality of our Integrated Development Environment (IDE), tailored specifically for our custom Domain-Specific Languages (DSLs)Write and test code for our proprietary compilers, with a focus on enhancing performance, scalability, and long-term mai

We are looking for aLead Software Engineerwho will be responsible for the design, development, and deployment of high-quality software solutions.This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in softwa

Are you looking to benefit from a new career in Software Development?.Skills shortages in the IT sector is driving the need for qualified, entry-level career seekers and career changers.We help place graduates from this programme in top UK companies and organisations needing to employ entry-level so

Software Engineer – Python/C++ | R&D Applications Join a high-priority, multidisciplinary R&D team where your expertise in Python, C++, GUI development, and real-time data processing will directly contribute to the development of cutting-edge sensing and intelligent systems. About You

NET / C#) Working hours: 10am-6pm (aligned to US team) Fully Remote (UK-based) Salary: £50,000 - £60,000 p/annum CPS Group are partnering with a Data Consultancy to hire a Software Engineer to support their expanding US-facing development team.This role sits within a highly collaborati

Deadline for applications: 11:59pm on 31st October 2025.Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software.We use technology to create impactful, human-centred solutions that make a difference to

SC clearance required to start.Applicants must be a sole British national due to the nature of the work being within National Security.As a Full-Stack Software Engineer, you'll build cutting-edge products that protect people, platforms, missions, and information from evolving threats.You'll collabor

Deadline for applications: 11:59pm on 31st October 2025.Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software.We use technology to create impactful, human-centred solutions that make a difference to

Strong spatial data science and GIS skills (QGIS, ArcGIS, Python GIS stack). Spatial AI & ML Data Scientist (ArcGIS, Python).

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 role involves mentoring j

Job Title: Embedded Software Design Engineer Location: Cardiff area Employment Type: Permanent, full-time Visa sponsorship: Not available (UK rights to work required) Location: Cardiff Employment Type: Full-Time (Early Finish Fridays!) About the Role We’re on the lookout for an Embedded So

Golang Software Engineer (Junior / Senior /Lead Opportunities) Are you a Software Developer looking to make that move forward in your career and work in a large-scale environment with a team of go-getters? This team is passionate about technology and are currently working in a highly collaborative

This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in software development processes.You will collaborate closely with cross-functional teams, including product management and UX/UI, to ensure that our sof

Embedded Software & Firmware Engineer Are you passionate about embedded systems and excited by the idea of working on high-performance, real-time technology for next-generation aircraft cabin systems? We are currently recruiting on behalf of an innovative and industry-leading engineering company th

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 role involves mentoring j

Are you looking to benefit from a new career in Software Development?.Skills shortages in the IT sector is driving the need for qualified, entry-level career seekers and career changers.We help place graduates from this programme in top UK companies and organisations needing to employ entry-level so