At a Glance
- Tasks: Own and develop a modern frontend application in a dynamic tech environment.
- Company: High-growth technology company focused on complex, data-heavy applications.
- Benefits: Competitive salary, hybrid work model, and opportunities for career advancement.
- Other info: Join a strong engineering culture with modern tools and clear growth paths.
- Why this job: Make a real impact by owning a frontend app and tackling challenging projects.
- Qualifications: 5+ years of experience in building production-grade frontend applications with React.
The predicted salary is between 60000 - 80000 € per year.
We’re working with a high-growth technology company building complex, data-heavy applications used in real-world, mission-critical environments. They’re looking to hire a Senior Frontend Engineer who is operating at the top end of senior level — someone ready to own a frontend application end-to-end within a broader platform.
The Role
You’ll play a key role in building and owning a modern frontend application within a multi-app monorepo architecture, contributing to highly interactive, data-intensive user experiences. This is a hands-on role with real ownership, where you’ll take responsibility for a defined application and drive it from development through to production and optimisation.
Expect to work on:
- Complex workflows involving large datasets and real-time interactions
- Performance-critical interfaces with a strong focus on usability and scalability
- Modern frontend architecture across React and Next.js applications
What You’ll Be Doing
- Own and develop a frontend application within a shared monorepo environment
- Build and maintain high-performance React applications using TypeScript
- Collaborate closely with backend, product, and design teams
- Design scalable, type-safe interfaces across frontend and backend
- Optimise performance (bundle size, loading speed, Web Vitals)
- Drive best practices in testing, code quality, and architecture
- Contribute to technical decisions and frontend standards
Tech Environment
- React + TypeScript (core stack)
- Next.js / Vite
- Monorepo architecture (Turbo, pnpm)
- TanStack ecosystem (Query, Router)
- tRPC (type-safe APIs)
- AWS (Lambda, CDK)
- Testing: Playwright, Vitest
What They’re Looking For
- Strong experience building production-grade frontend applications (5+ years)
- Deep expertise in React and modern SPA architecture
- Experience working in monorepos or multi-application environments
- Proven ability to own features or applications end-to-end
- Strong product mindset and ability to work cross-functionally
- Comfortable balancing performance, scalability, and maintainability
Nice to have:
- TanStack, tRPC, or Next.js experience
- AWS experience (especially CDK / serverless)
- Frontend performance optimisation experience
Why Join
- High ownership role — own a frontend app within a larger platform
- Work on technically challenging, data-heavy applications
- Strong engineering culture with modern tools and practices
- Clear scope for growth into Staff / Lead territory
Senior Frontend Developer in Newtownabbey employer: Diver5ify
Join a high-growth technology company in Belfast that champions a strong engineering culture and offers a high ownership role for Senior Frontend Developers. With opportunities to work on complex, data-heavy applications and a clear path for career advancement into Staff or Lead positions, this is an ideal environment for those seeking meaningful and rewarding employment. Enjoy the benefits of a hybrid work model, collaboration with cross-functional teams, and the chance to drive best practices in modern frontend development.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Frontend Developer in Newtownabbey
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who work at companies you're interested in. A friendly chat can lead to referrals, which can give you a leg up in the hiring process.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best frontend projects, especially those using React and TypeScript. This is your chance to demonstrate your expertise and passion for building high-performance applications.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and understanding of modern frontend architecture. Practice common algorithms and data structures, and be ready to discuss your past projects and the decisions you made.
✨Tip Number 4
Don’t forget to apply through our website! We’re always on the lookout for talented individuals like you. Plus, it’s a great way to ensure your application gets the attention it deserves.
We think you need these skills to ace Senior Frontend Developer in Newtownabbey
Some tips for your application 🫡
Show Your Ownership Spirit:When you’re writing your application, make sure to highlight your experience in owning projects from start to finish. We want to see how you've taken charge of frontend applications and driven them through development to production.
Be Specific About Your Skills:Don’t just list your skills; show us how you’ve used them! Talk about your experience with React, TypeScript, and any other relevant technologies. We love seeing real examples of how you’ve tackled complex workflows and performance optimisation.
Collaborate Like a Pro:Since this role involves working closely with various teams, mention any collaborative projects you've been part of. We want to know how you’ve worked cross-functionally with backend, product, and design teams to create amazing user experiences.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to get your application and ensures you don’t miss out on any important updates during the process!
How to prepare for a job interview at Diver5ify
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in React, TypeScript, and Next.js. Brush up on your knowledge of monorepo architecture and performance optimisation techniques. Being able to discuss your past experiences with these technologies will show that you’re ready to take ownership of a frontend application.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific challenges you've faced in previous projects, especially those involving complex workflows or large datasets. Highlight how you approached these problems and the impact of your solutions. This will demonstrate your ability to handle real-world, mission-critical environments.
✨Collaborate Like a Pro
Since this role involves working closely with backend, product, and design teams, be ready to talk about your collaborative experiences. Share examples of how you’ve successfully worked cross-functionally and contributed to team goals. This shows you can thrive in a high-growth tech environment.
✨Emphasise Your Ownership Mindset
This position requires a strong sense of ownership. Be prepared to explain how you’ve taken responsibility for projects from development to production. Discuss any best practices you’ve implemented in testing and code quality, as this will highlight your commitment to excellence in your work.
