Luigelo Davila

Senior Full-Stack Engineer (Web, iOS & Cloud)

Warsaw, Poland. Open to remote roles across the EU and B2B contracts.

Luigelo Davila

Summary

Senior full-stack engineer with 5+ years taking products from architecture to production across web, native iOS, Python backends and AWS/Azure cloud. At Zoloo, a SaaS platform for bol.com sellers (€2.5B+ in member sales, 20,000+ orders a day), I own the native iOS app and lead the move from a monolith to microservices, including 40M+ records migrated with zero data loss in production. As founder of Ldvloper, I designed, built and launched Syncflow, an AI goal planner on web and iOS with 1,200+ users, 21 of them paying.

Experience

Zoloo (formerly Boloo), SaaS platform for bol.com sellers

Netherlands, remote

Senior Software Engineer (Mobile & Full-Stack), B2B contract via Ldvloper

Jul 2025 – Present
  • Lead the migration of core business domains from a monolith to microservices (Python, FastAPI, Celery, RabbitMQ, MySQL), moving 40M+ historical records with zero data loss while the platform stayed live
  • Own the native iOS app (Swift/SwiftUI) end to end, live on the App Store, including passkey authentication, sales dashboards and an AI assistant
  • Improved production reliability and data integrity through monitoring, incremental rollouts and fixes to long-standing concurrency issues
  • Ship features across the full stack: backend services, the React web dashboard and bol.com platform integrations
  • Maintain CI/CD and AWS infrastructure with GitLab CI; hardened platform security with rate limiting, a WAF and email authentication

Software Engineer (Full-Stack)

Jul 2024 – Jun 2025
  • Led development of the cross-platform mobile app in React Native/Expo, integrated with internal APIs
  • Built message-driven backend microservices for product synchronization, seller reporting and task automation
  • Automated deployments and monitoring on AWS (CloudFormation, ECS, CloudWatch)

Ldvloper, Software studio, own company

Warsaw, Poland

Founder & Principal Engineer

Apr 2025 – Present

Studio through which I contract with clients on a B2B basis and build my own products.

  • Built and launched Syncflow (syncflow.me), an AI goal planner on web and native iOS, as sole engineer from product design to App Store release; 50+ sign-ups in its first month and 1,200+ users by October 2026, 21 of them paying
  • Integrated four LLM providers (Claude, ChatGPT, Groq, Grok) with bring-your-own-key support, plus calendar sync with Apple, Google and Outlook and daily step emails
  • Designed Autopilot, an agentic assistant with mandatory approval gates and shadow-mode testing before any action runs
  • Kept infrastructure cost near zero by design on Vercel; payments through Apple and Stripe
  • Deliver application and cloud security assessments for clients, with hands-on remediation support

Applus+ Laboratories, Global testing and certification group

Barcelona, Spain

Full-Stack Developer, IT Infrastructure, hybrid

Jul 2022 – Jan 2024

Led Client Area, the customer-facing portal where Applus+ clients follow their work end to end, from sample tracking to project status and reports.

  • Designed the microservices architecture and built its 3 core services in FastAPI and .NET
  • Built the Next.js, React and TypeScript frontend on a tested component library (unit tests, Storybook)
  • Took the platform to public launch on the company's new Azure landing zone with the Cloud Center of Competence: Key Vault, virtual network isolation, Azure SQL, Container Registry, Blob Storage
  • Set up CI/CD pipelines in Azure DevOps and ran delivery in Scrum

Full-Stack Developer Intern, E&E Laboratories

Jul 2021 – Jul 2022

Sole developer of an internal platform used by 50+ laboratory staff to plan projects and coordinate resources.

  • Built and owned the full stack: Laravel (PHP) REST APIs, Vue.js frontend and MySQL, Dockerized on an on-premise server
  • Stabilized the platform and worked directly with end users to prioritize and ship improvements

Plink, Contract via agency

US, remote

Mobile Application Developer

Feb 2022 – May 2022
  • Built app features in React Native with Redux state management
  • Built supporting Node.js server components and Dockerized development environments

Odournet

Barcelona, Spain

Technical Analyst

Jun 2017 – Feb 2020

Laboratory data analysis and sample classification, before moving into software engineering.

Skills

Languages
TypeScript, JavaScript, Python, Swift, C#, SQL
Frontend
React, Next.js, Redux, Tailwind CSS, Storybook
Mobile
SwiftUI, React Native, Expo, Passkeys
Backend
FastAPI, Django, Celery, Node.js, .NET, RabbitMQ, MySQL, Redis, REST APIs
Cloud & DevOps
AWS (ECS, CloudFormation, CloudWatch), Azure, Docker, GitLab CI, Azure DevOps, Vercel, Cloudflare
AI
LLM integration (Claude, OpenAI, Groq), Agentic workflows
Practices
Microservices, Distributed systems, Data migration, Security reviews, CI/CD, Scrum

Education

  • Bachelor of Engineering, Telecommunications, Universitat Politècnica de Catalunya (UPC), Barcelona, SpainSep 2019 – Jun 2023
  • Java Development & Computer Science, Universidad Nebrija2022
  • Web Application Development (IFCD0210), ASEDEM2019

Languages

Spanish (Native), Catalan (Native), English (C1, full professional)

Updated Oct 2026