Founding Full-Stack Engineer

ProntoPro
20 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Shift work
Languages
English
Experience level
Intermediate
Compensation
€ 150K

Job location

Tech stack

Artificial Intelligence
Database Design
Java GUIs
PostgreSQL
Software Engineering

Job description

Contribute to backend challenges (DB consistency, sharding, workflow design, AI-first primitives)

Contribute to frontend challenges, designing new interfaces beyond traditional GUIs

Work in a fast-evolving product environment, defining core architecture and culture

Opportunity to live and work beachside in Barcelona for EU-based hires

What You'll Do

Build full-stack features across the platform, collaborating closely with CEO and CTO

Solve tough technical problems with high autonomy and ownership

Ensure product quality, performance, and scalable infrastructure as pilots are onboarded

Use AI tools to accelerate development and improve problem-solving

Requirements

2-8+ years of professional software development experience

Strong full-stack experience (Next.js + PostgreSQL)

Solid backend fundamentals: PostgreSQL, database design, and consistency

Experience working at fast-paced startups or building 0*1 products

Comfort using AI tools to accelerate development and reason through problems

Worked at a high-caliber startup and/or attended a top university is a plus

Clear written English and ability to operate in distributed teams

About the company

We are a seed-stage AI-native startup building mission-critical infrastructure for biopharma teams. Our core product is a knowledge graph that enables AI agents and humans to synchronize on workflows, branching data, and semantic coordination. We aim to replace rigid CRMs with dynamic, schema-flexible systems powered by AI. Everything is early-stage, with no legacy systems, giving you the opportunity to directly shape the architecture, technology, and culture.

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