Mid-Level Full Stack JavaScript - Typescript Developer

J&T Business Consulting; Conwy; On-site; GBP 35,000 - 50,000; Full time

Job summary

A consulting firm in Conwy, United Kingdom, is seeking a Software Engineer with a minimum of 3 years experience. The ideal candidate will have a degree in Computer Science or Software Engineering and demonstrate proficiency in modern WebApp frameworks. Candidates should possess excellent problem-solving skills, strong communication abilities, and experience in delivering complex engineering applications. Knowledge of geology or geophysics will be a plus.

Qualifications

• Minimum 3 years proven experience in Software Engineering.
• Requires knowledge of software design patterns and architectural best practices.
• Ability to showcase examples of work: public-facing products and/or open-source projects.

Responsibilities

• Deliver high-performance desktop applications within complex engineering domains.
• Work within multi-disciplinary engineering teams.
• Adapt quickly to new technologies and manage multiple priorities.

Skills

Software Engineering

Problem-solving

Git source control workflows

WebApp frameworks (Vue.js, React, Angular)

Communication skills

Education

Degree in Computer Science or Software Engineering

Tools

Testing frameworks

Job description

Conwy, United Kingdom | Posted on 01/30/2026

• Minimum 3 years proven experience in Software Engineering
  
• Education to degree level in Computer Science, Software Engineering, or any company relevant discipline, i.e. geology, geophysics.
  
• Equivalent industry experience as a proven software engineer/developer will be considered.
  
• Demonstrated experience in delivering high-performance desktop applications or systems within complex engineering domains.
  
• Experience with modern WebApp frameworks, MVC or MVVM designs, complex state management and data visualization (Vue.js, react, Angular or similar).
  
• Understanding of system architecture, including IPC, concurrency, and data stream handling.
  
• Deep understanding of software design patterns (Interfaces, Inversion-Of-Control, Object Orientated vs Functional, etc) and architectural best practices (Dependency Injection, decoupling, etc).
  
• Proficiency in Git source control workflows.
  
• Excellent problem-solving and debugging skills, including extensive use of testing frameworks
  
• Ability to work independently, manage multiple priorities, and deliver under pressure
  
• Ability to learn quickly and adapt to new technologies.
  
• Requires good listening, strong written and verbal communication skills and the ability to explain technical matters in lay terms
  
• Must have initiative, self-motivation and the confidence to make decisions or ask for help.
  
• Able to showcase examples of work: public-facing products and/or open-source projects.
  
• Knowledge of geology or geophysics
  
• Experience developing software forscientific instruments, test equipment, ordata acquisition systems.
  
• Understanding of signal processing or numerical methods.
  
• Experience working in multi-disciplinary engineering teams (hardware, firmware, software, R&D, marketing).