Principal Frontend Engineer
@ MCS Group | Your Specialist Recruitment Consultancy

Dublin, County Dublin, Ireland
€120,000
On Site
Full Time
Posted 13 hours ago

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Principal Frontend Engineer

MCS Group is recruiting for an early-stage AI startup in Dublin. The company is led by experienced founders who have built, scaled, and sold successful tech companies. They are developing an AI platform that provides insights into team dynamics through real conversations rather than traditional dashboards.

The Role

Joining as the Founding Frontend Engineer, you will take full ownership of the user interface. Work directly with the CTO in defining architecture and building from scratch, ensuring that design, functionality, and performance meet high standards.

What You Will Be Doing

  • Building and scaling the frontend using TypeScript, React, and Next.js.
  • Defining reusable component libraries and frontend architecture.
  • Collaborating with design, backend, and AI teams.
  • Transforming complex data into elegant visual interfaces.
  • Setting technical direction for performance and scalability.

What You Will Bring

  • Senior-level experience with TypeScript, React, and Next.js.
  • Strong software engineering fundamentals.
  • Background in startup or fast-moving SaaS environments.
  • Founder or early-stage initiative experience is a plus.
  • A proactive, hands-on problem-solving mindset.

Nice to Have

  • Experience in building component libraries or design systems.
  • Basic backend knowledge (Node.js, APIs, integration).
  • Curiosity about AI and LLM-driven products.

Why Join

  • Collaborate with a team of founders.
  • On-site role in a new Dublin City Centre office.
  • Competitive salary up to €120k and equity options.
  • Opportunity for significant growth and leadership.
  • Autonomy and immediate impact from day one.

Key skills/competency

  • TypeScript
  • React
  • Next.js
  • Frontend Architecture
  • Component Libraries
  • UI Development
  • Startup Experience
  • Software Engineering Fundamentals
  • Scalability
  • Collaboration
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How to Get Hired at MCS Group | Your Specialist Recruitment Consultancy

🎯 Tips for Getting Hired

  • Research MCS Group's culture: Understand the startup's mission and growth.
  • Customize your resume: Highlight frontend and startup experience.
  • Prepare for technical interviews: Focus on TypeScript, React, Next.js topics.
  • Showcase leadership: Emphasize autonomy and previous founder-like roles.

📝 Interview Preparation Advice

Technical Preparation

Review TypeScript, React, and Next.js fundamentals.
Practice building scalable UI interfaces.
Study component library architecture patterns.
Work on a sample startup project.

Behavioral Questions

Describe a time you led a project.
Explain handling tight deadlines effectively.
Share a challenge managing autonomy in work.
Discuss collaboration with diverse teams.

Frequently Asked Questions