Full Stack Engineer (AI‑First) — Equity & High Impact

Pillar; Barcelona; On-site; EUR 30,000 - 60,000; Full time

Benefits offered by this job

Competitive compensation + stock option plan

Small, ambitious team with zero bureaucracy

Job summary

Pillar is seeking a Full Stack Engineer to join their ambitious team in Barcelona. This role involves building the foundations of the startup, which has rapidly grown with significant investments.

The ideal candidate will have proven experience in early-stage startups and mastery of technologies such as React and TypeScript. A strong ownership culture prevails, so you must be ready to contribute significantly to the team's goals.

Qualifications

• Proven experience working with early-stage startups (0 → 10M€ ARR).
• High IQ, high energy, high integrity.
• Developed both hard and soft skills alongside an A+ team.

Responsibilities

• Build a product rather than just shipping code.
• Participate in agile teams structured into squads.
• Take ownership of your work and contribute to team outcomes.

Skills

React

Next.js

Supabase

TypeScript

Job description

Pillar is seeking a Full Stack Engineer to join their ambitious team in Barcelona. This role involves building the foundations of the startup, which has rapidly grown with significant investments.

The ideal candidate will have proven experience in early-stage startups and mastery of technologies such as React and TypeScript. A strong ownership culture prevails, so you must be ready to contribute significantly to the team's goals.