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hackajob is collaborating with Triad Group Plc to connect them with exceptional tech professionals for this role.

JavaScript Developer

Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices.

About Us

Salary Negotiable, DoE, plus company benefits.

Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years’ experience primarily serving the UK public sector and central government. We deliver high-quality solutions that make a real difference to users, citizens and consumers.

At Triad, collaboration thrives, knowledge is shared, and every voice matters. Our close-knit, supportive culture ensures you’re valued from day one. Whether working with cutting-edge tech or shaping strategy for national-scale projects, you'll be trusted, challenged, and empowered to grow.

We nurture learning through communities of practice and encourage creativity, autonomy, and innovation. If you’re passionate about solving meaningful problems with smart and passionate people, Triad could be the place for you.

• Glassdoor score of 4.7
• 96% of our staff would recommend Triad to a friend
• 100% CEO approval
  
  

See for yourself some of the work that makes us all so proud:

• Helping law enforcement with secure intelligence systems that keep the UK safe
• Supporting the UK's national meteorological service in leveraging supercomputers for next-level weather forecasting
• Assisting the British government department that is responsible for the safety of consumer products, with systems to track unsafe products
• Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport
  
  

Role Summary

We are seeking a skilled and experienced JavaScript Developer to join our dynamic team. This role involves building responsive and performant web applications using modern JavaScript frameworks, particularly Svelte. The ideal candidate will thrive in a collaborative environment, contributing to both front-end architecture and seamless user experiences. A strong foundation in front-end technologies, an eye for detail, and the ability to adapt quickly are essential.

Key Responsibilities

• Collaborate with cross-functional teams to define, design, and deliver new features.
• Develop and maintain efficient, reusable, and reliable JavaScript code.
• Work closely with designers to implement and enhance user interfaces using Svelte.
• Optimise application performance and troubleshoot technical issues.
• Participate in code reviews to uphold high standards of code quality and consistency.
  
  

Skills And Experience

• Proven experience as a JavaScript Developer, with a strong portfolio of web applications.
• In-depth knowledge of HTML, CSS, and responsive design principles.
• Experience with state management and integrating RESTful APIs.
• Proficiency with version control systems, especially Git.
• Excellent problem-solving skills with great attention to detail.
• Effective communication skills, including the ability to explain technical concepts to non-technical stakeholders.
• Prior experience or familiarity with GIS/mapping libraries and spatial data formats like GeoJSON is advantageous.
• Experience with other front-end frameworks/libraries such as React or Vue.
• Working knowledge of back-end technologies and databases.
• Familiarity with CI/CD pipelines and deployment workflows.
• Understanding of Agile/Scrum methodologies.
  
  

Qualifications & Certifications

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent professional experience.
• 5+ years of professional experience in JavaScript development.
  
  

Triad’s Commitment to You

As a growing and ambitious company, Triad prioritises your development and well-being:

• Continuous Training & Development: Access to top-rated Udemy Business courses.
• Work Environment: Collaborative, creative, and free from discrimination.
• Benefits:
• 25 days of annual leave, plus bank holidays.
• Matched pension contributions (5%).
• Private healthcare with Bupa
• Gym membership support or Lakeshore Fitness access.
• Perkbox membership.
• Cycle-to-work scheme.
  
  

What Our Colleagues Have To Say

Please see for yourself on Glass Door and our “Day in the Life” videos at the bottom of our Careers Page.

Our Selection Process

Role

After applying for the role, our in-house talent team will contact you to discuss Triad and the position. If shortlisted, you will be invited for:

• A Technical online test - circa 30 minutes
• A Technical interview session with our senior team members
• An interview with our CTO, including a career review and cultural fit assessment.
  
  

We aim to complete interviews and progress candidates to offer stage within 2-3 weeks of the initial conversation.

Other Information

If this role is of interest to you or you would like further information, please submit your application now!

Triad is an equal opportunities employer and welcomes applications from all suitably qualified people regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion, or belief.

We are proud that our recruitment process has been recognised as inclusive and accessible to disabled people who meet the minimum criteria for any role. We are a signatory on the Tech Talent Charter that aims to bring industries and organisations together to drive greater inclusion and diversity in technology roles, in addition, as a Disability Confident Leader.

• Seniority level
  Mid-Senior level

• Employment type
  Full-time

• Job function
  Engineering and Information Technology
• Industries
  Software Development

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