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Senior Java Software Engineer

Job in Llanelli, Carmarthenshire, SA15, Wales, UK
Listing for: Primis
Full Time position
Listed on 2026-02-16
Job specializations:
  • Software Development
    Software Engineer, Senior Developer
Job Description & How to Apply Below

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This range is provided by Primis. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

The Role

We are seeking an experienced Senior Software Engineer to design, build, and maintain backend services for high-availability, transaction-driven platforms. You will work across the full software development lifecycle, contributing high-quality code, technical direction, and continuous improvements to engineering practices.

Key Responsibilities
  • Design and develop scalable backend services, APIs, and platform components
  • Translate business requirements into robust technical solutions
  • Build quality into all stages of the software lifecycle with a strong focus on testable behaviour
  • Collaborate with cross-functional teams to deliver solutions on time
  • Contribute to estimation, planning, and prioritisation of work
  • Improve development processes, tooling, automation, and CI/CD pipelines
  • Support deployments to test and production environments
  • Act as a technical role model and support less-experienced engineers
Required Experience & Skills
  • 6–8+ years’ experience in professional software engineering
  • Expertise in at least one object-oriented language (e.g.
    Java
    , C#, Ruby, Go)
  • Solid knowledge of design patterns, refactoring, and OO design principles
  • Experience with SQL, database design, and systems integration
  • Experience working in Linux and/or Windows environments
  • Strong analytical, problem-solving, and communication skills
  • Experience with BDD/TDD and automated testing
  • CI/CD and modern deployment practices
  • Comfortable working in ambiguous, fast-moving environments
  • Ability to quickly understand and improve existing codebases

ADVERT DISCLAIMER

Research indicates that men will apply to a role when they only meet 50-60% of the descriptions, however, when looking at women and other minority groups, they can look for up to a 99% match in order to apply to a role. If you feel you are a fit for our role, please still apply, don’t worry if you don’t tick every single box.

We’d still love to hear from you. We encourage underrepresented talent to apply to all our roles & support accessibility needs

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Position Requirements
10+ Years work experience
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