junior python developer jobs in County of Cardiff

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 —...

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...

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...

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

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting 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‑party clients, we’re scaling our own SaaS...

You will work closely with our Senior Account Managers, supporting existing client accounts while learning how to identify and develop new business opportunities.

You will be supported and trained to become a trusted point of contact for clients, helping to understand their needs and contribute to solutions that deliver real value.

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 lifecycle. Key...

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...

📍 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...

You will also be assigned an expert tutor and a support mentor who will work with you 1-2-1 or in group sessions to provide additional training and support. Once the HTML & CSS courses are complete, your trainer will move you forward to the next stage. Stage 2 – Additional Online Training (*up to 12 weeks)

You will be responsible for identifying, developing, and negotiating new strategic partnerships for Seopa’s comparison solutions portfolio. While insurance comparison is a core focus, experience in other comparison or switching verticals — such as energy, broadband, mobile, current accounts, or credit cards — is advantageous.

You will also have the reassurance of a job guarantee within 20 miles of your location upon completion. Whether you are working full time, part-time or unemployed, this package has the flexibility to be completed at a pace that suits you.

You will be studying a wide range of, mostly back-end programming languages and skills that will qualify you as a fully-fledged developer.

Dynamics Developer | Tech Consultancy | SC Clearance Required | Up to £70,000 | Fully Remote MERITUS are working with a leading Tech consultancy looking for a Dynamics 365 / Power Platform Developer to join their Central Government / Defence Division. This opportunity is ideal for a senior-level Dynamics 365 and Power Platform professional who enjoys working on complex enterprise solutions,...

BRAND NEW ROLE - Senior Exec Level - Marine Geo Director of Business Development - Geotechnical Engineering & Geoscience Consulting About the Company Our client are a growing offshore geotechnical services and consulting unit, focused on delivering high-quality, technically robust solutions across the offshore, nearshore, and onshore environments. While offshore geotechnical investigations...

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

You will also be assigned an expert tutor and a support mentor who will work with you 1-2-1 or in group sessions to provide additional training and support. Once the HTML & CSS courses are complete, your trainer will move you forward to the next stage. Stage 2 – Additional Online Training (*up to 12 weeks)

📍 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,...