Available to hire
Technical Team Lead with 10+ years of full-stack development experience, combining hands-on engineering with team coaching. I build complex features while mentoring engineers, establishing patterns, and setting quality standards.
Player-coach by nature: 50% shipping code, 50% enabling teams. Experienced in managing small teams (3-5 engineers), reviewing PRs with teaching-focused feedback, and helping developers grow. AI-augmented workflow with Claude Code integrated into daily development for architecture, code generation, and review.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Language
English
Fluent
Spanish; Castilian
Fluent
German
Advanced
Portuguese
Intermediate
Italian
Intermediate
Work Experience
Full-Stack Tech Lead & Architect at SAS
August 1, 2025 - PresentGreenfield project management platform. Designed, implemented, and deployed architecture; now in maintenance/advisory phase. Architected a TypeScript monorepo with 60+ packages and end-to-end type safety. Defined reusable abstractions to eliminate boilerplate and ensure consistency. Owned the entire stack: NestJS API, React/Redux frontend, Keycloak auth; deployed 6 Docker-based microservices with network isolation and SSL/TLS.
Freelance Full-Stack Tech Lead & Architect at DATA MAIND GMBH
August 1, 2025 - PresentGreenfield project/finance management platform.
• Led the design, implementation, and deployment of a greenfield project management platform
• Architected TypeScript monorepo with 60+ packages featuring end-to-end type safety
• Owned entire application stack: NestJS API, React/Redux frontend, Keycloak auth, Docker deployment
• Deployed production infrastructure: 6 Docker microservices, network isolation, SSL/TLS, secrets management
• Created reusable abstractions that eliminated boilerplate and enforced consistency across the codebase
Stack: TypeScript, React, Redux, Material UI, NestJS, TypeORM, PostgreSQL, Jest, Keycloak, Docker, Nginx, Nx, Claude Code
Tech Lead & Migration Architect at SAS
October 1, 2023 - PresentInfrastructure/construction tracking platform. Led a 4-person team through architecture migration; established scalable patterns and coding standards. Reviewed PRs with teaching-focused feedback to help engineers grow. Built a modular monorepo with 60+ packages and end-to-end type safety. Migrated a legacy monolith to a modular architecture enabling independent feature development.
Freelance Migration Architect & Tech Lead at CLICKONPLANS S.A.S.
October 1, 2023 - PresentInfrastructure/construction tracking & documentation platform. Team now operates independently; currently in monthly advisory capacity.
• Led architecture migration for infrastructure/construction tracking platform
• Designed modular monorepo architecture with 60+ packages and end-to-end type safety across web, native, and backend
• Managed and trained 4-person development team on scalable patterns and code standards
• Migrated legacy monolith to modular architecture, enabling independent feature development
• Established development practices that allow the team to continue shipping without daily oversight
Stack: TypeScript, React, React Native, Redux, Material UI, NestJS, TypeORM, MySQL, Jest, Keycloak, Docker, Nginx, Nx, Claude Code
Creative Technologist at Visa
May 1, 2023 - September 1, 2024Built Visa's Innovation Architecture platform for R&D prototyping. Designed modular platform architecture for rapid prototyping. Built end-to-end prototypes from concept to working demo. Influenced technical direction for internal innovation tooling.
Freelance Creative Technologist at VISA
May 1, 2023 - March 31, 2026Innovation Architecture prototyping platform.
• Built Visa's Innovation Architecture platform for R&D prototyping
• Designed modular platform architecture for rapid innovation prototyping
• Built end-to-end prototypes from concept to working demo
• Influenced technical direction for internal innovation tooling
Stack: TypeScript, React, Redux, Material UI, NestJS, TypeORM, PostgreSQL, Figma
Senior Product Engineer at Glassnode AG
March 1, 2022 - December 1, 2022On-chain analytics platform; key architecture role during integration. Led frontend data architecture design for financial analytics dashboards. Built test infrastructure with Cypress across unit and integration layers. Implemented SSO solution with React and Auth0.
Freelance Senior Product Engineer at GLASSNODE
March 1, 2022 - December 31, 2022Joined Accointing (crypto tax declaration platform), acquired by Glassnode during engagement.
• Designed and developed new features for web and mobile applications
• Implemented architecture improvements and scalability optimizations
• Key role in frontend architecture design, focusing on data architecture
• Designed and implemented test scenarios across unit and integration layers
• Implemented Single Sign-On solution with React and Auth0
• Contributed to product engineering for financial analysis and reporting
Stack: TypeScript, React, Tailwind, react-query, NestJS, PostgreSQL, Jest, Cypress, Auth0, Kubernetes, AWS
Freelance Project Front-End Architect and Lead at IMTF SA
August 1, 2021 - December 31, 2021Greenfield compliance platform for financial institutions.
• Architected React application from scratch for complex regulatory domain
• Designed system to manage relational data across thousands of JSON files
• Established frontend patterns and standards adopted by the team
Stack: TypeScript, React, Redux, Redux-Saga, Material UI
Frontend Architect at IMTF SA
January 1, 2021 - PresentFrontend Architect for Switzerland-based remote team; Greenfield compliance platform.
Senior Software Engineer at WEFRAME AG
April 1, 2020 - September 30, 2020Hybrid hardware/software communication & collaboration platform.
• Improved scalability of enterprise multi-touch web application
Stack: TypeScript, React, Redux, Java Spring, MongoDB
METUS GMBH (Acquired by Munich Re) at Senior Full-Stack Developer
October 1, 2019 - February 28, 2020Modular product design and development platform.
• Migrated Windows native app to web, handling complex relational data with Neo4J
Stack: TypeScript, React, MobX, Node.js, Webpack, Neo4J
Senior Full-Stack Developer at Metus GmbH
January 1, 2019 - December 31, 2020Senior full-stack development role across product domains.
Full-Stack Developer at Relayer GmbH (Acquired by Munich Re)
September 1, 2017 - October 1, 2019Industrial IoT platform—led frontend efforts for the analytics team. Led frontend architecture and development for data analytics module. Mentored junior developers on React patterns and best practices. Collaborated with backend team on cloud platform development.
Full-Stack Developer at RELAYR GMBH (Acquired by Munich Re)
September 1, 2017 - October 31, 2019Industrial IoT platform. Led frontend efforts for the analytics team.
• Led frontend architecture and development for data analytics module
• Mentored junior developers on React patterns and best practices
• Collaborated with backend team on cloud platform development
Stack: JavaScript, React, Redux, Node.js, Sass, Semantic UI, Webpack, Flow, Java Spring, PostgreSQL, Docker
Lead Developer at Clickonplans SAS
January 1, 2016 - December 31, 2017Lead development role in Bogotá, coordinating frontend/backend efforts for SaaS product.
Full-Stack Developer at CLICKONPLANS S.A.S.
January 1, 2016 - August 30, 2017Industrial risk assessment platform.
• Designed and implemented risk assessment app for major insurance provider
Stack: PHP, JavaScript, Sass, Symfony, jQuery, Twig, Vagrant
Education
Doctor of Philosophy (PhD) at Universität der Bundeswehr München
March 1, 2008 - December 31, 2014PhD in Fluid Dynamics
Master of Science (M.Sc.) at Purdue University
August 20, 2005 - December 31, 2007Masters in Aerospace, Aeronautical and Astronautical
Engineering
Bachelor of Science (B.S.) at University of Nebraska-Lincoln
August 20, 2001 - May 13, 2005Bachelors in Physics and Mathematics
PhD at Universität der Bundeswehr München
January 11, 2030 - January 1, 2014MS at Purdue University
January 11, 2030 - January 1, 2007BS at University of Nebraska-Lincoln
January 11, 2030 - January 1, 2005Qualifications
Industry Experience
Computers & Electronics, Financial Services, Software & Internet, Real Estate & Construction, Professional Services
A 13-part technical series explaining the foundations of blockchain technology and decentralized finance. Covers cryptographic security (hashing, digital signatures), consensus mechanisms (Proof of Work, Proof of Stake), wallet architecture (BIP39, HD wallets, private key management), smart contracts, and DeFi protocols. Written to bridge the gap between surface-level crypto content and dense academic papers. Published in English and Spanish on Medium.
English: https://www.twine.net/signin
A collection of 50+ reusable TypeScript packages for building full-stack applications. Includes libraries for normalized Redux state management with Redux-Saga, NestJS backend utilities, and production-ready application templates. Built with a modular monorepo architecture using Nx and pnpm, featuring end-to-end type safety across React frontends, NestJS backends, and React Native mobile apps. Used as the foundation for multiple enterprise projects.
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