Senior Software Engineer
📍 A Coruña, Spain
Senior Software Engineer with 7+ years of experience, including 4+ years in the blockchain industry. Skilled in Golang, TypeScript, Solidity, and React. Experienced in DeFi protocol design, DAO tooling, smart contract development, and full-stack engineering. Co-founded and scaled a software company to 12 people, delivering 20+ projects to the Spanish public sector.
Salary
EUR 90,000 – 140,000
VeChain
Jun 2025 — Jan 2026
Designed and implemented the staking protocol powering the Stargate app, enabling users to stake tokens and earn rewards. Responsibilities included protocol design and architecture, and smart contract development using Solidity within the Hardhat environment. Stargate launched in December 2025, passed two independent code audits and two attackathons. Smart contracts secure over $80M in assets.
District
Sept 2024 — Jun 2025
Developed features for community software combining Web2 UX with Web3 technology. Tasks ranged from writing smart contracts and backend code to frontend development. Tech stack: TypeScript, Solidity, Next.js, Prisma, The Graph, and SAFE protocol integration.
Aragon
Mar 2022 — Jun 2024
Built the Aragon SDK to simplify interaction between Node-based web applications and the DAO protocol. Designed, integrated, and tested new contract features into the SDK. The SDK reached 30k+ downloads and was used by the Aragon App. Technologies: TypeScript, React, Solidity, AssemblyScript.
Vocdoni
Oct 2021 — Mar 2022
Focused on frontend development for a digital voting platform. Refactored components to match updated designs and documented them for future developers. Tech stack: Golang and React.
University of Vigo
Oct 2020 — Dec 2020
Worked on Master's thesis in R&D team. Used IoT devices to measure electrical consumption and built a prediction/detection model for building power consumption. Processed real-time data from BLE-connected sources and visualized via Grafana. Technologies: Python, Pandas, Prometheus, Grafana.
Everis
Jul 2019 — Sept 2019
Automated deployments of near-production environments on AWS. Developed flexible cloud templates and a CLI tool to improve developer experience. Technologies: Terraform, Packer, Ansible, Docker, Golang.
Not a Cool Company
Nov 2018 — Mar 2024
Co-founded a software company pushing newer technologies into the Spanish public sector. Role evolved from Full-Stack Engineer to Tech Lead to CTO. Grew the company from 3 to 12 people, delivered 20+ projects to Spanish public institutions, and sold shares in early 2024. Tech stack: Golang, Vue.js, React.
University of Vigo
Jun 2018 — Jan 2019
R&D project to provide connectivity inside a naval vessel for the Spanish Navy. Addressed challenges of person detection in Faraday cage environments. Developed node software in Golang and used the TICK stack for data processing and visualization.
MSc · Telecommunications Engineering
2018 – 2020
BSc · Telecommunications Engineering
2014 – 2018