junior python developer jobs in Cardiff

We are currently recruiting full stack developers to join a trading technology team at a leading investment firm. This team is responsible for building a new front-office trading platform used directly by traders and quants. These roles are best suited for candidates with experience in full stack development using React and Python and particularly those who have built trading platforms from the...

Job SummaryAviation. It connects our world, brings people together, provides opportunities, accelerates economic growth, and is just so very cool! Come work for NAVBLUE, a leading services company owned by Airbus, dedicated to Flight Operations, Air Traffic Management solutions and services for airlines, airports, and Air Navigation Service Providers. We combine aircraft manufacturer expertise,...

You will be responsible for the entirety of the back end features of the 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.

We’re expanding our engineering team and hiring a Senior Python Software Engineer to help own and develop an established trading-related application. The system runs in production, processes high-frequency real-time data, and needs careful performance engineering and disciplined testing to keep latency and reliability where they should be. You’ll take meaningful ownership day-to-day, partnering...

You will be joining a fast growing technology company building a production grade platform that enables advanced AI driven products.

You will have real ownership, influence over technical decisions and the space to build things the right way.

You will be trusted to take responsibility across the stack, including

Location: Remote (UK-based candidates preferred) Employment Type: Full-time Experience Level: Junior / Entry-Level About the Role We’re seeking a motivated Junior Data Scientist who’s eager to turn data into meaningful insights and grow in a dynamic, collaborative environment. This fully remote role is open to candidates based in the UK. You’ll work alongside senior data scientists, analysts,...

You will join a small team offering a career development programme offering full support to help progress you to the role of an experienced Loss Adjuster. Key responsibilities: - Work within a small team of technical desk adjusters all with the same vision of progressing to a field adjuster

Job Description This role is ideal for an individual at an early stage of their estimating career who is looking to develop strong commercial and technical skills within a structured and supportive environment. The Junior Estimator will work closely with senior estimators, commercial managers and operational teams, gaining hands-on experience across the full estimating and tendering...

Junior ServiceNow Developer Client: Major UK Retail Organisation Platform: ServiceNow Focus: CMS, Service Portal, Front-End Development, Quality & Testing Role Overview 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...

Role: Junior Sommelier Location: Cardiff, Wales Employer: A unique, accoladed, fine dining concept Salary: £31,500 - £33,000 depending on experience Platinum Recruitment is working in partnership with a highly accoladed fine dining restaurant that is striving for further prestigious awards. They are now looking to recruit a knowledgeable, passionate, and personable Junior Sommelier to join their...

You will get the chance to support the creation of our batteries from concept and R&D through to manufacture and test, contributing to all areas of the business from your first day. Applicants from all backgrounds are welcome - we are an equal opportunities employer.

If you need support in completing the application or if you require a different format of this document, please get in touch with at UKI.recruitment@tcs.com or call TCS London Office number 02031552100 with the subject line: “Application Support Request”. Role: Junior Consultant Job Type: Permanent Location: London, UK / Hybrid Ready to utilize your experience and expertise in Business...

📍 Hybrid (UK-wide with client site visits) | 💷 Competitive Salary + Benefits Our client is a mission-led consultancy delivering modern, secure software solutions to the UK Government and Defence sector. They’re expanding their development teams and are looking for talented Python Developers who want to make an impact on meaningful projects. You’ll be joining a high-trust, agile environment,...

What is FundOnion? FundOnion.com is a dynamic tech-driven FinTech Start-up. We're on a mission to deploy new and innovative Tech to help businesses access funding quicker, easier, and better than ever before. Right now, we're looking for motivated and ambitious individuals to join our rapidly growing team via upcoming cohorts of the Analyst Academy in 2026. As one of the UK's leading debt...

About TriloDocs TriloDocs is a growing company at the intersection of technology and life sciences. We help pharma and healthcare organizations transform scientific data into clear, structured documents. Our team is passionate about creating intuitive, reliable tools that make a real difference. The Role We're looking for a Mid-Level to Senior Python Developer with a strong STEM background —...

Software Engineer (Contract) – Python / FastAPI 6 Month Contract - Fully Remote Daily Rate: £500 Outside IR35 Contact: Matthew.Makranczy@forsythbarnes.com We're looking for experienced AWS Software Engineer (contractors) to join an established platform engineering team and help take a proof-of-concept Identity & Access Management (IAM) system into production. This is a hands-on engineering...

Hlx Group is revolutionising recruitment in the global life sciences sector. Since launching in January 2024, we’ve grown to 30+ people, backed by significant investment, and led by a founding team with 60+ years of combined experience. We connect world-class talent with pioneering biotech, pharma, and AI-driven healthcare companies. About the role: You’ll play a key role in driving the growth...

Contract Type: 9-Month Contract (FTC or Contract option available) Location: Fully Remote (2–3 on-site client visits during the project; expenses paid) Rate: £200 per day (8 hour day) Role Overview We are seeking aJunior CSV Engineer with 2–3 years of experience to support an upcoming project. The role will focus on documentation support, lifecycle CSV activities, and coordination with...

Job Description 💻: GIS Development 🏢: Leading Global Marine Company 🍃: Offshore Wind 📌: Remote - 1 trip per month to the office An established geoscience and offshore energy consultancy is looking for a Geospatial Developer to join its UK-based team, with opportunities to work from Newcastle, Aberdeen, Glasgow or London 🌍 This role is ideal for someone who enjoys turning complex spatial...

📍 Hybrid (UK-wide with client site visits) | 💷 Competitive Salary + Benefits Our client is a mission-led consultancy delivering modern, secure software solutions to the UK Government and Defence sector. They’re expanding their development teams and are looking for talented Python Developers who want to make an impact on meaningful projects. You’ll be joining a high-trust, agile environment,...