Junior Full Stack Engineer

Junior Full Stack Engineer (Atradius UK)

Contract: 12‑month Fixed‑Term Contract

Location: Cardiff (Hybrid) — flexible working

Salary: £23,587.20

Atradius is a global provider of credit insurance, Surety, Collections and business information services, with a strategic presence in over 50 countries. The products offered by Atradius protect companies around the world against the default risks associated with selling goods and services on credit. Atradius is a member of Grupo Catalana Occidente (GCO.MC), one of the largest insurers in Spain and one of the largest credit insurers in the world.

Learn more at Atradius Group.

Job Description

We are looking for a Junior Full‑Stack Engineer to help us design and build high‑quality software used across our enterprise environment. You’ll work in a cross‑functional agile team and contribute across the full development lifecycle
, while growing your skills through pairing, code reviews, and mentorship. This is a great fit if you enjoy working across the stack –
React/Next.js & Type Script on the front end and Java/Spring Boot on the back end.

Key Responsibilities:

• Deliver features across the stack: build UI with React/Next.js + Type Script and services/APIs with Java/Spring Boot.
• Collaborate closely: pair programming, code reviews, refactoring, and writing tests (unit, component, end‑to‑end).
• Quality & accessibility: follow clean code, secure coding practices, WCAG‑aligned accessibility, and front‑end testing strategies.
• Help maintain clear, up‑to‑date technical documentation to make onboarding easier for new team members.
• Agile ways of working: actively engage in stand‑ups, planning, reviews, and retrospectives.

Required Qualifications:

• Some commercial experience (or substantial project/placement work) building web applications.
• Front end: basics with React and Type Script; familiarity with Next.js (routing, data fetching).
• Back end: fundamentals in Java and Spring Boot (building simple REST endpoints, data access).
• Testing mindset: exposure to Jest/React Testing Library and JUnit on the server side.
• Version control: comfortable with Git, branches, pull requests, and code reviews.
• Databases: basic SQL and awareness of document/relational databases.
• Communication: clear written and spoken English; collaborative and open to feedback.
• Education:
  
  Bachelor’s or Master’s in Computer Science/related field or equivalent practical experience (e.g., bootcamp, strong portfolio, internships).

Other

Qualifications:

• Azure familiarity and CI/CD with Azure Pipelines or Git Hub Actions.
• Containers & cloud basics:
  Docker, environment configuration, and deployment fundamentals.
• OpenAPI/Swagger (design/consumption) and API tools (e.g., Postman, Bruno).

What do we offer?

• A dynamic, international and challenging work environment
• Training and support to reach your full potential including the opportunity for continuous professional development
• Attractive terms and conditions, including competitive salary, pension package and a range of flexible benefits and rewards
• Challenging tasks with individual development and training opportunities

Equal Opportunities for All

The success of our organisation stands with the quality of our people and the ideas they have. Insights and innovative solutions for our customers are the result of an interplay of cultures, knowledge, and experience. That is why diversity is extremely important to Atradius. To ensure that all colleagues within Atradius can develop their qualities, we promote an inclusive culture in which everyone feels involved and valued.

We encourage and welcome everyone to apply to our positions.

Do you have any questions about our offer? Elan BOOTH, Human Resources, is available by e‑mail at

Build your career with Atradius! Get to know Atradius colleagues in this video.

Atradius is a global provider of credit insurance, bond and surety, collections and information services, with a strategic presence in over 50 countries. The products offered by Atradius protect companies around the world against the default risks associated with selling goods and services on credit. Atradius is a member of Grupo Catalana Occidente (GCO.MC), one of the largest insurers in Spain and one of the largest credit insurers in the world.

You can find further information on our website: