Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Join a Scrum Team to develop and maintain JavaScript applications in an Agile environment.
- Company: Version 1, a leading tech services company with a strong focus on employee wellbeing.
- Benefits: Flexible working, competitive salary, profit sharing, and extensive professional development opportunities.
- Why this job: Make a real impact with cutting-edge technology while growing your skills as a developer.
- Qualifications: 5+ years of JavaScript experience; familiarity with modern frameworks and cloud services is essential.
- Other info: Join a supportive culture that values diversity, inclusion, and community engagement.
The predicted salary is between 36000 - 60000 £ per year.
Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly changing Digital-First world we live in. We foster strong partnerships with leading technology giants including Microsoft, AWS, Oracle, Red Hat, OutSystems, Snowflake, ensuring that our customers are provided with the highest quality solutions and services.
As a Senior JavaScript Developer, you will join a cross-functional Scrum Team working collaboratively in an Agile environment. You’ll help drive key front‑end and back‑end JavaScript technology decisions and build maintainable, scalable solutions for our clients. This role offers strong opportunities for continuous learning, technical ownership, and growth as a well‑rounded developer.
You will develop modern applications using JavaScript/TypeScript and relevant frameworks, hosted on Microsoft Azure cloud services. Strong emphasis is placed on collaboration, clean coding practices, and delivering high‑quality solutions. While GIS experience is beneficial, it can be taught; deep JavaScript expertise is essential.
Key Responsibilities- Design, develop, and maintain applications using JavaScript/TypeScript across front‑end and/or back‑end services.
- Build and consume RESTful APIs.
- Implement and maintain CI/CD pipelines and automation workflows.
- Write unit and integration tests to ensure high code quality.
- Work closely within a Scrum Team, participating in all Agile ceremonies.
- Work with GIS technologies such as the ESRI SDK and ArcGIS suite to integrate spatial data and mapping capabilities into applications (Optional / Trainable).
- Essential Criteria
- 5+ years of hands‑on JavaScript development experience (TypeScript is an advantage).
- Strong knowledge of modern JavaScript frameworks (e.g., React, Angular, Vue, or Node.js for backend).
- Proven experience designing and developing REST‑based APIs.
- Experience with CI/CD automation tools and modern DevOps practices.
- Proficiency with Azure and familiarity with common cloud services.
- Strong experience writing unit, integration, and automated tests.
- Prior experience working in Agile/Scrum teams.
- Desirable (Trainable)
- Experience with GIS technologies, ideally: ESRI SDK, ArcGIS suite, Spatial data integration and map‑based application functionality.
At Version 1, we believe in providing our employees with a comprehensive benefits package that prioritises their wellbeing, professional growth, and financial stability. Share in our success with our Quarterly Performance‑Related Profit Share Scheme, where employees collectively benefit from a share of our company's profits. Strong Career Progression & mentorship coaching through our Strength in Balance & Leadership schemes with a dedicated quarterly Pathways Career Development programme. Flexible/remote working, Version 1 is tremendously understanding of life events and people’s individual circumstances and offer flexibility to help achieve a healthy work life balance. Financial Wellbeing initiatives including; Pension, Private Healthcare Cover, Life Assurance, Financial advice and an Employee Discount scheme. Employee Wellbeing schemes including Gym Discounts, Bike to Work, Fitness classes, Mindfulness Workshops, Employee Assistance Programme and much more. Generous holiday allowance, enhanced maternity/paternity leave, marriage/civil partnership leave and special leave policies. Educational assistance, incentivised certifications, and accreditations, including AWS, Microsoft, Oracle, and Red Hat. Reward schemes including Version 1’s Annual Excellence Awards & ‘Call‑Out’ platform. Environment, Social and Community First initiatives allow you to get involved in local fundraising and development opportunities as part of fostering our diversity, inclusion and belonging schemes.
Senior JavaScript Developer in Belfast employer: Version 1
Contact Detail:
Version 1 Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior JavaScript Developer in Belfast
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who work at Version 1 or similar companies. A friendly chat can lead to insider info about job openings and even referrals.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your JavaScript projects, especially those using modern frameworks like React or Node.js. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for the interview by brushing up on Agile methodologies and CI/CD practices. Be ready to discuss how you've implemented these in past projects. It’s all about demonstrating that you’re not just a coder, but a team player who thrives in collaborative environments.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in being part of the Version 1 family.
We think you need these skills to ace Senior JavaScript Developer in Belfast
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Senior JavaScript Developer role. Highlight your hands-on experience with JavaScript and any relevant frameworks like React or Node.js. We want to see how your skills align with what we're looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about this role and how your experience makes you a perfect fit. Don’t forget to mention your familiarity with Agile practices and CI/CD tools.
Showcase Your Projects: If you've worked on any cool projects, make sure to include them! Whether it's a personal project or something from your previous job, we love seeing real examples of your work, especially if they involve RESTful APIs or Azure.
Apply Through Our Website: We encourage you to apply through our website for a smoother application process. It helps us keep everything organised and ensures your application gets the attention it deserves. Plus, it’s super easy!
How to prepare for a job interview at Version 1
✨Know Your JavaScript Inside Out
Make sure you brush up on your JavaScript and TypeScript skills before the interview. Be prepared to discuss your experience with modern frameworks like React, Angular, or Node.js, and have examples ready that showcase your expertise in building RESTful APIs.
✨Showcase Your Agile Experience
Since this role involves working in a Scrum Team, be ready to talk about your previous experiences in Agile environments. Highlight specific projects where you contributed to Agile ceremonies and how you collaborated with team members to deliver high-quality solutions.
✨Demonstrate Clean Coding Practices
Version 1 values clean coding practices, so be prepared to discuss your approach to writing maintainable code. Bring examples of your work that illustrate your commitment to quality, including any unit and integration tests you've implemented.
✨Be Open to Learning
While GIS experience is a bonus, it's not essential. Show your enthusiasm for learning new technologies, especially if you have an interest in GIS. Mention any relevant courses or certifications you've pursued, and express your eagerness to grow within the role.
