At a Glance
- Tasks: Build and maintain cutting-edge React applications for mission-critical workflows.
- Company: Fast-growing AI and cloud software scaleup with a collaborative culture.
- Benefits: Salary up to £85,000, hybrid working, private health insurance, and generous leave.
- Other info: Inclusive culture celebrating diversity with excellent growth opportunities.
- Why this job: Make a real impact with technology that helps keep people safe globally.
- Qualifications: 5+ years in TypeScript/JavaScript, expert-level React, and modern build tools experience.
The predicted salary is between 80000 - 85000 € per year.
Senior / Principal-level frontend engineering role at a fast-growing AI and cloud software scaleup. React and TypeScript focused with a modern, well-considered stack. Mission-critical product used by law enforcement and security organisations worldwide. Hybrid working with a Belfast base. Salary up to £85,000.
About the Company
Our client is an advanced body camera and cloud software scaleup working with some of the biggest names in security, services and law enforcement. They build AI-driven video forensic and evidence analysis tooling that genuinely matters, technology that helps keep people safe and supports complex investigative workflows at scale. The culture is open, transparent and collaborative, with a strong one-team ethos and a real sense of shared purpose. This is a company that invests in its people and takes pride in doing meaningful work.
The Role
This is a hands-on Senior or Principal Frontend Engineer position at the heart of the product engineering team. You will help shape the user experience behind complex investigative workflows, video review, transcription, timeline analysis, streaming and AI-assisted insights, building fast, reliable and intuitive interfaces for large-scale, media-heavy applications. Working closely with backend engineers, product and design, you will deliver modern React applications that balance performance, usability and maintainability across mission-critical workflows. The level of the appointment will reflect your experience and the contribution you can make from day one.
Key Responsibilities
- Build and maintain React applications using TypeScript, Tanstack Router and Query, and Shadcn UI.
- Design type-safe APIs with tRPC spanning frontend and backend systems.
- Develop AWS Lambda functions and manage infrastructure with AWS CDK.
- Work across React (Vite) and Next.js monorepos using Turbo and pnpm.
- Write automated tests with Vitest and Playwright.
- Optimise performance across bundle sizes, Core Web Vitals and query caching.
- Review code, maintain strict TypeScript standards and ensure security best practices with Zod validation.
- Collaborate with backend engineers, product managers and designers to deliver high-quality software.
- Take ownership of features from requirements through to production.
What You'll Need
Essential:
- 5 or more years of professional TypeScript and JavaScript development.
- Expert-level React with modern patterns across SPA applications.
- Strong experience with modern build tools such as Vite, Turbo and webpack.
- Solid monorepo management experience.
- A pragmatic approach to engineering - you value simplicity, type safety and clarity.
Nice to Have:
- Experience with tRPC and the Tanstack ecosystem (Query, Router, Table) and Next.js.
- AWS CDK exposure.
- Tailwind CSS and Shadcn or Radix component libraries.
- Zod validation and Playwright end-to-end testing.
- Performance optimisation and Web Vitals experience.
- React Native.
Why Apply?
- Salary up to £85,000 depending on experience.
- Hybrid working with a Belfast city centre base.
- Genuinely impactful work, technology used by law enforcement and security organisations globally.
- Generous annual leave allowance.
- Private health insurance.
- Pension matching scheme.
- Learning and development opportunities with real room to grow.
- Cycle to work scheme and Home and Tech Scheme through salary sacrifice.
- A collaborative, inclusive culture where diverse teams are celebrated, and everyone can thrive.
How to Apply
Keen to find out more? Connect with Nick Napier on LinkedIn or submit your CV via the link below for a confidential conversation about this opportunity.
Senior / Principal Software Engineer in Belfast employer: Ocho People
Join a fast-growing AI and cloud software scaleup in Belfast, where your work as a Senior/Principal Frontend Engineer will contribute to mission-critical technology that enhances safety for law enforcement and security organisations worldwide. With a collaborative and inclusive culture, generous benefits including private health insurance and a pension matching scheme, and ample opportunities for professional growth, this company is dedicated to investing in its people and fostering a sense of shared purpose.
StudySmarter Expert Advice🤫
We think this is how you could land Senior / Principal Software Engineer in Belfast
✨Tip Number 1
Network like a pro! Reach out to folks in your industry on LinkedIn or at meetups. A friendly chat can lead to opportunities that aren’t even advertised yet.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best projects, especially those using React and TypeScript. This gives potential employers a taste of what you can do.
✨Tip Number 3
Prepare for interviews by practising common technical questions and coding challenges. We recommend using platforms like LeetCode or HackerRank to sharpen your skills.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, we love seeing candidates who are proactive about their job search.
We think you need these skills to ace Senior / Principal Software Engineer in Belfast
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that match the job description. Highlight your expertise in React, TypeScript, and any relevant projects you've worked on. We want to see how you can contribute to our mission!
Craft a Compelling Cover Letter:Use your cover letter to tell us why you're passionate about this role and how your background aligns with our goals. Share specific examples of your work that demonstrate your problem-solving skills and collaborative spirit.
Showcase Your Projects:If you've got a portfolio or GitHub repository, include it! We love seeing real-world applications of your skills. Highlight any projects that involved complex workflows or innovative solutions, especially those using modern tools like Vite or AWS.
Apply Through Our Website:We encourage you to apply directly through our website for a smoother process. It helps us keep track of your application and ensures you don’t miss out on any important updates from us!
How to prepare for a job interview at Ocho People
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in React, TypeScript, and the modern tools mentioned in the job description. Brush up on your knowledge of Vite, Turbo, and AWS CDK. Being able to discuss your experience with these technologies confidently will show that you're a strong fit for the role.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific challenges you've faced in previous projects, especially those involving performance optimisation or complex workflows. Use the STAR method (Situation, Task, Action, Result) to structure your answers and highlight how you approached and solved these issues.
✨Demonstrate Collaboration
Since this role involves working closely with backend engineers, product managers, and designers, be ready to share examples of how you've successfully collaborated in the past. Talk about how you’ve contributed to team projects and maintained open communication to achieve shared goals.
✨Ask Insightful Questions
Prepare thoughtful questions about the company culture, the team dynamics, and the specific challenges the engineering team is currently facing. This not only shows your interest in the role but also helps you gauge if the company is the right fit for you.
