Founding Backend Engineer — Remote, Equity

A technology startup in Spain is looking for a Founding Engineer to take ownership of product development and build out the development team. You will work closely with a top consultancy and have a hands-on role from day one, focusing on Ruby on Rails and scaling the application. Competitive pay, equity, and a growth path to Head of Engineering or CTO are...

A dynamic tech company in Madrid is seeking a Founding Senior Full-Stack Software Engineer to build a customer insights platform. You will focus on developing the frontend and backend for their web app and handling data pipelines with a close collaboration with AI scientists. The ideal candidate has strong skills in React, NextJS, TypeScript, and NodeJS, and...

3 Golang Projects in one : Golang Back-end engineer (not mandatory to know Golang) : Remote from Spain with an office in Barcelona. : From 50.000€ to 100.000€ per year + Equity There are 3 different Companies in Barcelona 1. A Scaleup from Switzerland called BLP (90e / 70 tech), building an Automated ERP and setting up their Hub in Barcelona - up to 85K...

A tech startup seeks a Founding Senior Full-Stack Software Engineer to develop an innovative customer insights platform. The role emphasizes both frontend and backend development, requiring strong experience in React, NextJS, TypeScript, and NodeJS. You will collaborate closely with AI scientists to build scalable infrastructures and data pipelines. This...

A tech startup seeks a Founding Senior Full-Stack Software Engineer to develop an innovative customer insights platform. The role emphasizes both frontend and backend development, requiring strong experience in React, NextJS, TypeScript, and NodeJS. You will collaborate closely with AI scientists to build scalable infrastructures and data pipelines. This...

A leading financial technology firm is seeking a Software Engineer to support their credit decisioning systems. The role is remote in Spain and requires experience in backend systems, preferably in Python or Kotlin. Benefits include generous healthcare coverage, flexible spending wallets, and opportunities for equity rewards. The candidate will contribute to...

**Our Mission** At DraftyAI, we're on a mission to revolutionize the legal landscape by leveraging artificial intelligence to accelerate document drafting for licensed attorneys, enabling them to better serve their clients and elevate their law practice. **The Role** As a full stack software engineer at DraftyAI, you will play a crucial role in helping us...

Founding Backend Engineer – Privately Funded Communications Start‑up (Remote, Node.js/TypeScript)Join a rapidly growing communications start‑up backed by industry leaders. Build core backend services, drive architecture, and shape the company’s future.CompanyThe company is an early‑stage start‑up in the communications space, backed by industry...

Title:Founding Engineer (Agentic Systems & AI Infrastructure)Location:Remote | Full-Time | Founding TeamAbout the CompanyAn early-stage AI infrastructure startup is building a next-generation operating system for data—combining dynamic ontology engines with advanced agentic systems capable of autonomous, transparent workflow execution. Backed by tier-one...

Title:Founding Engineer (Agentic Systems & AI Infrastructure)Location:Remote | Full-Time | Founding TeamAbout the CompanyAn early-stage AI infrastructure startup is building a next-generation operating system for data—combining dynamic ontology engines with advanced agentic systems capable of autonomous, transparent workflow execution. Backed by tier-one...