Senior Full Stack Developer – R&D
Senior Full Stack Developer – R&D

Senior Full Stack Developer – R&D

Full-Time 60000 - 80000 £ / year (est.) Home office possible
Contenta AI, Ltd.

At a Glance

  • Tasks: Design and build innovative full-stack applications using the latest tech.
  • Company: Join Contenta AI, a cutting-edge platform for content creators and publishers.
  • Benefits: Enjoy remote work, competitive salary, and comprehensive health benefits.
  • Other info: Be part of a diverse team with excellent career growth opportunities.
  • Why this job: Shape the future of GenAI in media while working with a dynamic team.
  • Qualifications: 5+ years in full-stack development with strong JavaScript and TypeScript skills.

The predicted salary is between 60000 - 80000 £ per year.

Location: Remote – Based in United Kingdom or Ireland

Department: Publisher Growth & Revenue

About Contenta AI

ContentaAI is a next‑generation Agentic AI platform built for content creators, publishers, and media groups. We empower editorial and monetization teams with AI‑driven tools for content creation, SEO optimization, trend detection, collaboration, and advanced monetization via hybrid header bidding and programmatic strategies. Our mission is to make content creation smarter and monetization more effective at scale. Founded by media and adtech veterans from companies like Google and Microsoft, ContentaAI is backed by industry leaders and is rapidly expanding across Europe and beyond.

Role Overview

We’re looking for a Senior Full Stack Developer— R&D to join our core engineering team. You’ll play a crucial role in developing the foundational architecture of our SaaS platform—from LLM‑powered content creation tools to real‑time monetization intelligence systems. You’ll work across the stack and closely with product and AI teams to design, build, and iterate on innovative solutions that serve both editorial and ad‑ops teams. If you’re excited about shaping the future of GenAI applications in media and thrive in a fast‑paced, early‑stage environment, we’d love to meet you.

Key Responsibilities

  • Design and build scalable full‑stack applications using React / Next.js, Node.js, and Nest.js
  • Integrate LLM APIs (e.g., OpenAI, Claude) including streaming and retrieval‑augmented generation
  • Build and optimize back‑end infrastructure with both relational and NoSQL databases
  • Develop secure and scalable REST APIs, including authentication and webhook integrations
  • Work with Prisma ORM to streamline data access across services
  • Write and maintain clean, testable, and well‑documented code
  • Collaborate with Product and AI teams to experiment, iterate, and validate hypotheses
  • Participate in architectural discussions, R&D explorations, and roadmap planning
  • Contribute to the engineering culture by mentoring teammates and advocating for best practices

Requirements

  • 5+ years of experience in full‑stack web development
  • Strong proficiency in JavaScript and TypeScript
  • Deep experience with React, Next.js, and server‑side rendering (SSR)
  • Solid experience with Node.js, Nest.js, or Express.js
  • Experience with Prisma ORM and both SQL and NoSQL databases
  • Hands‑on experience with REST API development and integration
  • Familiarity with webhook systems and asynchronous job processing
  • Experience integrating LLMs, including streaming APIs (OpenAI, etc.)
  • Excellent problem‑solving skills and product‑oriented mindset
  • Strong communication skills and ability to work in a remote, async‑first team

Nice to Have

  • Background in AdTech, including SSPs, DSPs, Header Bidding, and Prebid.js
  • Experience working in early‑stage startups or R&D‑focused roles
  • Knowledge of Tailwind CSS, Shadcn UI, or similar component libraries
  • Experience integrating fintech or multinational payment APIs

Why Join Contenta AI?

  • Remote‑first culture – work from anywhere in the UK/Ireland
  • Competitive base salary + performance bonus
  • Comprehensive benefits package (health, dental, vision— depending on location)
  • Generous paid time off, parental leave, and annual team retreat
  • Professional development stipend and career growth opportunities
  • A diverse, mission‑driven team building a category‑defining platform in media tech

Contenta AI is proud to be an equal opportunity employer. We welcome applicants from all backgrounds and celebrate the value of diverse perspectives.

Senior Full Stack Developer – R&D employer: Contenta AI, Ltd.

Contenta AI is an exceptional employer that champions a remote-first culture, allowing you to work flexibly from anywhere in the UK or Ireland. With a competitive salary and comprehensive benefits package, including generous paid time off and professional development opportunities, we foster a collaborative environment where innovation thrives. Join our diverse, mission-driven team and contribute to shaping the future of media technology while enjoying meaningful career growth.
Contenta AI, Ltd.

Contact Detail:

Contenta AI, Ltd. Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Full Stack Developer – R&D

Tip Number 1

Network like a pro! Reach out to folks in your industry on LinkedIn or at meetups. A personal connection can often get you a foot in the door faster than any application.

Tip Number 2

Show off your skills! Create a portfolio or GitHub repo showcasing your projects, especially those using React, Node.js, or any LLM integrations. This gives potential employers a taste of what you can do.

Tip Number 3

Prepare for interviews by practicing common technical questions and coding challenges. Use platforms like LeetCode or HackerRank to sharpen your skills and boost your confidence.

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, we love seeing candidates who are proactive about their job search.

We think you need these skills to ace Senior Full Stack Developer – R&D

Full Stack Development
JavaScript
TypeScript
React
Next.js
Node.js
Nest.js
REST API Development
Prisma ORM
SQL Databases
NoSQL Databases
LLM Integration
Problem-Solving Skills
Communication Skills
Asynchronous Job Processing

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that match the Senior Full Stack Developer role. Highlight your proficiency in JavaScript, TypeScript, and frameworks like React and Node.js. We want to see how your background aligns with our mission at Contenta AI!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Share your passion for AI-driven content creation and how you can contribute to our team. Be sure to mention any relevant experience with LLMs or REST APIs, as these are key to what we do at Contenta AI.

Showcase Your Projects: If you've worked on any full-stack projects, especially those involving AI or monetization tools, make sure to include them. We love seeing real examples of your work, so don’t hold back! Link to your GitHub or portfolio if you have one.

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re keen on joining our remote-first culture at Contenta AI!

How to prepare for a job interview at Contenta AI, Ltd.

Know Your Tech Stack

Make sure you’re well-versed in the technologies mentioned in the job description, like React, Node.js, and Prisma ORM. Brush up on your JavaScript and TypeScript skills, as they’ll be crucial for the role.

Showcase Your Problem-Solving Skills

Prepare to discuss specific challenges you've faced in previous projects and how you tackled them. This will demonstrate your problem-solving abilities and product-oriented mindset, which are key for a Senior Full Stack Developer.

Understand the Company’s Mission

Familiarise yourself with Contenta AI's mission and the impact of their products. Being able to articulate how your skills can contribute to their goals will show that you’re genuinely interested in the role and the company.

Prepare for Collaboration Questions

Since the role involves working closely with product and AI teams, be ready to discuss your experience in collaborative environments. Share examples of how you’ve successfully worked with cross-functional teams in the past.

Senior Full Stack Developer – R&D
Contenta AI, Ltd.

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