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- Tasks: Design and build high-quality backend features using Node.js and TypeScript.
- Company: Fast-growing tech business with a product-led approach.
- Benefits: Up to £80k salary, remote work, 25 days holiday, and private medical cover.
- Other info: Quick interview process with excellent career growth opportunities.
- Why this job: Own features end-to-end and make a real impact on scalable products.
- Qualifications: Expertise in Node.js, TypeScript, and strong backend development skills.
The predicted salary is between 80000 - 80000 £ per year.
Are you a Senior Backend Developer who wants to own features end-to-end and build products used at scale? We're working with a fast-growing, product-led tech business looking for a Node.js / TypeScript expert to join a high-performing squad. You'll play a key role in shaping, building, and scaling core product features, from concept through to release and beyond.
This is a hands-on engineering role where you'll combine strong backend development with architecture input, best practice, and real ownership.
What you'll be doing:
- Design, build and ship high-quality backend features end-to-end
- Take ownership of services from concept to production to optimisation
- Develop scalable APIs using Node.js / TypeScript
- Work closely with Product, Design and Tech Leads on roadmap and delivery
- Improve deployment, testing and engineering standards across the team
- Mentor others and champion best practices and clean code
Tech stack:
- Node.js, TypeScript, JavaScript
- AWS (ECS, CDK, SNS, SQS, DynamoDB)
- REST APIs, JSON services
- SQL (Postgres / T-SQL / Presto)
- Automated testing (Jest)
- CI/CD (GitHub Actions / similar)
What you get:
- Salary up to £80,000 plus bonus
- Fully Remote working
- 25 days holiday plus bank holidays
- 10% pension
- Private medical cover
- And more!
Our client has a very swift 2 stage interview process and they're looking to move very quickly!
Senior Backend Developer in Cardiff employer: IO Associates
Contact Detail:
IO Associates Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Backend Developer in Cardiff
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who work with Node.js or TypeScript. A friendly chat can lead to insider info about job openings and even referrals.
✨Tip Number 2
Show off your skills! Create a GitHub repository showcasing your projects, especially those using Node.js and TypeScript. This gives potential employers a peek at your coding style and problem-solving abilities.
✨Tip Number 3
Prepare for technical interviews by brushing up on your backend development knowledge. Practice coding challenges and system design questions that focus on scalable APIs and best practices.
✨Tip Number 4
Don’t forget to apply through our website! It’s the quickest way to get noticed. Plus, we love seeing candidates who are proactive and eager to join our team.
We think you need these skills to ace Senior Backend Developer in Cardiff
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Node.js, TypeScript, and AWS. We want to see how your skills align with the role, so don’t be shy about showcasing relevant projects and achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Tell us why you’re passionate about backend development and how you can contribute to our team. Keep it concise but engaging – we love a good story!
Showcase Your Problem-Solving Skills: In your application, include examples of challenges you've faced in previous roles and how you overcame them. We’re looking for someone who can take ownership and drive solutions, so let us see that side of you!
Apply Through Our Website: We encourage you to apply directly through our website for a smoother process. It helps us keep track of applications and ensures you don’t miss out on any important updates from us!
How to prepare for a job interview at IO Associates
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in Node.js, TypeScript, and AWS. Brush up on your knowledge of REST APIs and automated testing with Jest. Being able to discuss your experience with these technologies confidently will show that you’re the right fit for the role.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific challenges you've faced in previous projects and how you overcame them. Highlight your ability to take ownership of features from concept to production, as this aligns perfectly with what they’re looking for.
✨Demonstrate Team Collaboration
Since you'll be working closely with Product, Design, and Tech Leads, be ready to share examples of how you’ve successfully collaborated in the past. Emphasise your communication skills and how you’ve contributed to team success.
✨Ask Insightful Questions
Prepare thoughtful questions about the company’s product roadmap and engineering standards. This shows your genuine interest in the role and helps you assess if the company culture aligns with your values.