At a Glance
- Tasks: Design and evolve core platform systems using TypeScript, Node.js, and React.
- Company: A scaling tech business focused on modern cloud-native platforms.
- Benefits: Competitive salary, performance-based bonus, and hybrid working.
- Other info: Clear pathway to Lead/Principal Engineer roles in a high-growth environment.
- Why this job: Gain architectural influence and work with a cutting-edge tech stack.
- Qualifications: Strong experience in JavaScript/TypeScript, Node.js, and AWS.
The predicted salary is between 60000 - 70000 € per year.
Senior-level individual contributor role on a high-calibre platform engineering team.
Full-stack TypeScript / Node.js backend, React frontend, AWS infrastructure.
Hybrid working - Belfast.
£60,000 - £70,000 + performance-based bonus.
Real architectural influence, this is not a feature-factory role.
About the Company
Our client is a scaling, product-led technology business building modern cloud-native platforms at the core of its global growth strategy. Their platforms are central to revenue, scalability, and long-term product delivery. With disciplined engineering practices and a high-calibre team, this is an environment where quality, clean architecture, and technical ownership are genuinely valued.
The Role
This is a senior engineering position for someone who wants architectural influence, technical ownership, and the opportunity to shape how a platform operates. You will join a platform engineering team responsible for systems that directly underpin global product delivery, working across the full stack with modern tooling and cloud-native infrastructure. The expectation at this level is clear: strong fundamentals, clean architecture, and confident decision-making. You will operate as a senior individual contributor with meaningful influence over design, quality, and technical standards.
Key Responsibilities
- Design and evolve core platform systems with scalability and long-term maintainability in mind.
- Deliver full-stack features using TypeScript / Node.js on the backend and React on the frontend.
- Architect and deploy cloud-native solutions on AWS across application and infrastructure layers.
- Define and manage infrastructure through Terraform and Infrastructure as Code practices.
- Own CI/CD pipelines and release processes end to end.
- Apply test-driven development and strong automated testing principles throughout delivery.
- Contribute to architectural decisions and long-term platform direction.
- Troubleshoot complex production issues across the full stack.
- Collaborate closely with product and delivery stakeholders to shape technical solutions.
What You'll Need
Essential
- Strong commercial experience as a Software Engineer at senior level.
- Deep experience with JavaScript / TypeScript, particularly in Node.js environments.
- Strong frontend capability using React.
- Hands-on AWS experience across application deployment and infrastructure.
- Experience with Infrastructure as Code - ideally Terraform.
- Solid database fundamentals across relational and NoSQL (PostgreSQL, DynamoDB or similar).
- Proven experience operating within modern CI/CD environments.
- Clear understanding of scalable system design and cloud-native architecture.
- Right to work in the UK.
Nice to Have
- Experience writing backends in Rust.
- Exposure to AI-powered developer tooling and agentic workflows.
- Background in platform, SaaS, or product-led businesses.
Why Apply?
- Senior-level ownership without heavy management layers.
- Modern tech stack and disciplined engineering practices - clean architecture is a genuine standard here.
- Real architectural influence over a platform central to global growth.
- £60,000 - £70,000 base salary plus performance-based bonus.
- Hybrid working from Belfast.
- Clear pathway toward Lead / Principal Engineer progression.
- High-growth environment where engineers who think beyond tickets are valued.
Interested? For a confidential conversation, connect directly with Ryan Quinn on LinkedIn or submit your CV via the link below.
Senior JavaScript Engineer employer: Ocho
Our client is an exceptional employer, offering a dynamic and high-calibre work environment in Belfast where senior engineers can truly make an impact. With a focus on clean architecture and disciplined engineering practices, employees enjoy the benefits of hybrid working, competitive salaries, and clear pathways for career progression into Lead or Principal Engineer roles. This is a place where your technical ownership and architectural influence are genuinely valued, making it an ideal choice for those seeking meaningful and rewarding employment.
StudySmarter Expert Advice🤫
We think this is how you could land Senior JavaScript Engineer
✨Tip Number 1
Network like a pro! Reach out to folks in your industry on LinkedIn, attend meetups, or join relevant online communities. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those using TypeScript, Node.js, and React. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and soft skills. Practice coding challenges and be ready to discuss your architectural decisions and experiences with AWS and CI/CD pipelines.
✨Tip Number 4
Don’t forget to apply through our website! We’ve got loads of opportunities that might just be the perfect fit for you. Plus, it’s a great way to get noticed by recruiters who are looking for talent like yours.
We think you need these skills to ace Senior JavaScript Engineer
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that match the job description. Highlight your JavaScript, TypeScript, and AWS experience prominently, as these are key for this role.
Craft a Compelling Cover Letter:Use your cover letter to tell us why you're the perfect fit for the Senior JavaScript Engineer position. Share specific examples of your architectural influence and how you've contributed to clean architecture in past roles.
Showcase Your Projects:If you have any relevant projects or contributions to open-source, make sure to include them. We love seeing practical applications of your skills, especially in full-stack development and cloud-native solutions.
Apply Through Our Website:For the best chance of getting noticed, apply directly through our website. It helps us keep track of your application and ensures it reaches the right people quickly!
How to prepare for a job interview at Ocho
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in TypeScript, Node.js, and React. Brush up on your AWS knowledge too, especially around cloud-native solutions and Infrastructure as Code with Terraform. Being able to discuss your experience confidently will show that you’re the right fit for this senior role.
✨Showcase Your Architectural Thinking
Prepare to discuss past projects where you had a real architectural influence. Think about how you designed systems for scalability and maintainability. This is a chance to demonstrate your understanding of clean architecture and how it impacts long-term product delivery.
✨Be Ready for Problem-Solving Scenarios
Expect to tackle some complex production issues during the interview. Brush up on troubleshooting techniques across the full stack. They’ll want to see how you approach problems and your thought process in resolving them, so be prepared to think on your feet.
✨Engage with Stakeholders
Since collaboration is key in this role, think of examples where you’ve worked closely with product and delivery stakeholders. Be ready to discuss how you shaped technical solutions based on their needs. This will highlight your ability to communicate effectively and work within a team.
