Adulfo Emmanuel S. Respecia
Full Stack Software Engineer
Delivered scalable, secure platforms and integrations for fintech, SaaS, and identity verification across web and mobile.
Work Experience
Freelance / Consultancy (Remote)
Full Stack Software Engineer
Mar 2015 — Feb 2025 – Present- Built custom platforms across Farming, MLM, Hotels, Telehealth, Construction Staffing, Blockchain/NFT, Oil & Gas, and Real Estate.
- Delivered scalable solutions enabling operational efficiency and sustainable growth.
- Stack: Laravel, NestJS, NextJs, GraphQL, React, React Native, Vue.js, Angular, ExpressJS, AWS, Azure, GCP, OpenAI, LangChain, Hugging Face, Auth0, GitHub Actions.
Cloud Employee (Remote | Miami, Florida)
Software Engineer
Feb 2022 — Feb 2025- Developed microservices for a client’s KYC/identity verification platform.
- Integrated sensitive APIs for background checks and secure data processing.
- Stack: NestJS, React, React Native, PostgreSQL, AWS, Twilio API, Acuris API, GitHub Actions.
Changing Digital (Remote | London, UK)
Software Engineer
Feb 2021 — Feb 2022- Engineered solutions for startups and SMEs in FinTech, workplace tools, and real estate media.
- Designed scalable, high-performance systems across varied stacks.
- Stack: PHP, WordPress (Altis), NodeJS, NestJS, React, ExpressJS, AWS, Elasticsearch, MongoDB, MySQL, TravisCI, Docker.
Placester (Remote | Boston, MA)
Software Engineer
Nov 2019 — Feb 2021- Maintained microservices powering a SaaS platform for real estate agents.
- Enhanced REST APIs to improve integrations with internal and third‑party systems.
- Stack: NestJS, ExpressJS, PHP, Java, MySQL, Redis, Zuora API, Jest, Mocha, Chai, CodeShip.
Skills
Languages
- PHP
- Java
- JavaScript
- TypeScript
Frameworks
- React
- React Native
- Vue
- Angular
- Laravel
- ExpressJS
- NestJS
- NextJS
- WordPress (Altis)
- GraphQL
Storage
- MySQL
- SQLite
- PostgreSQL
- Elasticsearch
- MongoDB
- Redis
Infrastructure
- AWS
- Azure
- GCP
- Heroku
- Docker
Methodology
- OOP
- Clean Code
- Agile (Scrum)
APIs/Integrations
- Zuora
- Twilio
- DoorDash
- Mailchimp
- Auth0
- Acuris Monitor API
- Okta
- Kinde
AI
- OpenAI
- LangChain
- Hugging Face
- Llama
Featured Projects
Placester
Real-estate agents’ easy, customizable website builder and lead generator.


Certchain
AI-powered platform providing instant competency verification and compliance tracking.

SQR
Secure, compliant tokenised identity verification platform for regulated industries.

Othership
Flexible workspaces & software platform for finding, booking and managing offices.

About Me
I’m a seasoned software engineer with extensive experience building and maintaining web applications across diverse industries. Having collaborated with multinational teams, I value the fusion of ideas in creating impactful digital products. I thrive in team-oriented environments, delivering high-quality, scalable solutions through clean code and Agile practices. Skilled across the full software development lifecycle, I bring broad expertise in tools, languages, and frameworks. Beyond tech, I’m also a musician and creative, exploring the intersection of art and technology.
