Hi. I'm Santi Calvo


Short Bio
I'm a product-minded Senior Software Engineer and Engineering Manager based in the UK, with over 6 years of experience and a founder mindset. My expertise spans various industries, specializing in implementing complex logic for fintech and retail products, and bridging technical architecture with business impact.
I possess a rare hybrid expertise across Web (React/Rails) and Mobile (Native Swift), enabling end-to-end product ownership. Whether it's architecting a complex system or refining a team's workflow, I'm always looking for ways to improve the process and the product.
Career
Currently, I serve as a Senior Lead Engineer / Engineering Manager at Eagerworks, where I'm leading the engineering organization through a period of rapid 10x growth, scaling the team from 10 to 100+ engineers.
My focus is on fostering a high-performance engineering culture through:
- Technical Scaling: Establishing engineering standards and CI/CD best practices.
- Strategic Architecture: Directing technical roadmaps for high-stakes projects.
- Mentorship: Designing structured career ladders and technical mentoring programs.
- Product Strategy: Translating business objectives into scalable technical decisions.
Throughout my career, I've cultivated a deep understanding of a modern tech stack, allowing me to deliver high-quality technical implementations for international SaaS and retail clients. My core technologies include:
- TypeScript
- Ruby on Rails
- React
- PostgreSQL
- Swift (Native)
- Next.js
This technical versatility, combined with my leadership experience and founder mindset, enables me to adapt to diverse project requirements and drive success in multidisciplinary environments.
Work Experience
2023 · PresentCo-founderCo-founded Lunch It alongside Nacho Grondona. A B2B platform built with Ruby on Rails that digitizes corporate lunch benefits for 5+ companies. It streamlines the process by centralizing orders, managing subsidies, and coordinating unified deliveries from local providers.
February 2024 · PresentSenior Lead Engineer / Engineering ManagerLeading the engineering organization through a period of rapid 10x growth, scaling the team from 10 to 100+ engineers. Responsible for establishing company-wide engineering standards, CI/CD best practices, and designing structured career ladders to maintain quality during expansion.
June 2021 · February 2024Technical LeaderArchitected and led the redesign of a critical fintech engine, optimizing the processing of 1M+ financial records with zero downtime. Spearheaded the adoption of Node.js, Next.js, and TypeScript, while implementing complex e-commerce features for retail clients.
October 2019 · June 2021Fullstack DeveloperDelivered core features across the entire stack, including Web (React/Rails) and Native Mobile (Swift). Applied strong critical logic to translate product vision into high-quality technical implementations for international SaaS and retail clients.