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Application Developer

Job in Cardiff, Cardiff City Area, CF10, Wales, UK
Listing for: Sadler Recruitment Ltd
Full Time position
Listed on 2025-12-03
Job specializations:
  • IT/Tech
    IT Support, Technical Support, Database Administrator
Job Description & How to Apply Below

Location:Remote (monthly in-person meetings in Cardiff, South Wales)

Type:Full-time (37.5 hrs/week)

We're looking for a skilled Application Developer to help support our clients' platform and customers as they continue to grow. Our client is a small business, and this role, whilst exciting and varied, will require someone with a multi-faceted skillset to wear a 'numbers of hats'.

This is a problem-solving role that suits someone who enjoys working closely with both technical teams and end-users, and is passionate about delivering excellent customer experiences.

As an Application Developer, youll play a crucial role in BAU, ensuring the SaaS cloud platform runs smoothly for clients and internal users. Youll be the first line of technical expertise for troubleshooting, diagnosing, and resolving technical issues while contributing to system improvements and knowledge sharing.

Responsibilities

  • Investigating and resolving application issues raised by users.
  • Monitoring system performance and proactively identifying potential issues.
  • Dealing with P2 to P4 tickets.
  • Working directly with customers and internal stakeholders to understand and reproduce reported issues.
  • Assisting with software deployments, updates, QA and configuration changes.
  • Contributing feedback to improve platform stability, performance, and usability.
  • Supporting integration work with client systems and APIs.

Experience needed

Experience in the tech stack (Node.js, Typescript, React, Nest.js, Postgres SQL, Dynamo

DB) is not required, but good base knowledge of web programming and fixing code-related and data issues is required.

  • Ability to analyse logs, debug issues, and work with APIs.
  • Familiarity with AWS Services (i.e. AWS Cloud Watch).
  • Strong troubleshooting and problem-solving skills
  • Excellent communication skills, both written and verbal, when dealing with both technical teams and non-technical users
  • Highly organised and able to manage multiple support requests concurrently

Nice-to-haves

  • Experience with SQL (Postgre

    SQL, MSSQL, MySQL, etc.)
  • Familiarity with monitoring tools and error reporting platforms
  • Exposure to CI/CD pipelines and deployment processes
  • Experience working in Agile environments

Remuneration Package

  • Permanent contract
  • Flexible working hours (core hours of 10 am - 4 pm)
  • 10% of time allocated to professional development
  • Company pension
  • Training Udemy account available

The Application Developer has future opportunities to move into a senior Developer role.

If interested, please send your CV in today.

Required Skills:

CI/CD BASIC Usability Pipelines Team Player Agile Articles Version Control React Salary AWS Communication Skills Software Development Continuous Improvement Postgre

SQL Node.js Type Script Technical Support Integration Troubleshooting Materials Git MySQL Documentation Software Engineering SQL Training Communication

Salary Package:

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