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Backend project lead/developer with proven end-to-end ownership of scalable production systems using Python, Django/FastAPI, and AWS. Experienced leading cross-functional teams, aligning delivery to business KPIs, and building AI-assisted prototypes to accelerate product development. Strong engineering foundation across REST APIs, CI/CD, data normalization at scale, and full-stack collaboration with product owners and frontend teams. Also has teaching experience and a long-term commitment to continuous improvement through learning, books/podcasts/documentaries, and mentoring.…Backend project lead/developer with proven end-to-end ownership of scalable production systems using Python, Django/FastAPI, and AWS. Experienced leading cross-functional teams, aligning delivery to business KPIs, and building AI-assisted prototypes to accelerate product development. Strong engineering foundation across REST APIs, CI/CD, data normalization at scale, and full-stack collaboration with product owners and frontend teams. Also has teaching experience and a long-term commitment to continuous improvement through learning, books/podcasts/documentaries, and mentoring.

Paul David Wells

Full Stack Developer, Back-End Developer, DevOps Developer, +1

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Backend project lead/developer with proven end-to-end ownership of scalable production systems using Python, Django/FastAPI, and AWS. Experienced leading cross-functional teams, aligning delivery to business KPIs, and building AI-assisted prototypes to accelerate product development. Strong engineering foundation across REST APIs, CI/CD, data normalization at scale, and full-stack collaboration with product owners and frontend teams. Also has teaching experience and a long-term commitment to continuous improvement through learning, books/podcasts/documentaries, and mentoring.…Backend project lead/developer with proven end-to-end ownership of scalable production systems using Python, Django/FastAPI, and AWS. Experienced leading cross-functional teams, aligning delivery to business KPIs, and building AI-assisted prototypes to accelerate product development. Strong engineering foundation across REST APIs, CI/CD, data normalization at scale, and full-stack collaboration with product owners and frontend teams. Also has teaching experience and a long-term commitment to continuous improvement through learning, books/podcasts/documentaries, and mentoring.

Available to hire

Backend project lead/developer with proven end-to-end ownership of scalable production systems using Python, Django/FastAPI, and AWS. Experienced leading cross-functional teams, aligning delivery to business KPIs, and building AI-assisted prototypes to accelerate product development.

Strong engineering foundation across REST APIs, CI/CD, data normalization at scale, and full-stack collaboration with product owners and frontend teams. Also has teaching experience and a long-term commitment to continuous improvement through learning, books/podcasts/documentaries, and mentoring.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Portuguese

Intermediate

Spanish; Castilian

Intermediate

Work Experience

Backend Developer at SayNode AG

June 1, 2024 - December 1, 2025

Developed and maintained RESTful APIs serving production environments. Designed automated test suites and CI/CD pipelines to ensure code quality. Developed Python scripts to normalize data and update schemas in large-scale production databases. Coordinated with frontend teams to ensure data reliability and consistency. Achieved a top performer bonus for accountability and full product ownership, contributing to measurable product growth and stability across backend services.

Full Stack Developer at Freelance

January 1, 2023 - June 1, 2024

Created scalable UI interfaces using modular MVC architecture. Implemented backend APIs and automated deployment workflows. Worked on a Django invoicing management application with automated testing, containerization, and cloud deployment, and on a Flask rehab tracker application using a three-tier architecture integration approach. Also built social media and blog applications using Node.js/React.

Backend Project Lead / Developer at SayNode AG

December 1, 2021 - Present

Designing and delivering end-to-end products aligned with client KPIs and business requirements. Leads cross-functional teams to ensure backward compatibility and collaboration across the full technical stack. Builds AI-assisted prototypes to accelerate product development. Key outcomes include delivering a bounty-based job recruitment app in the Swiss Hall of Fame for Best Apps, and a B2B SaaS fintech application. Experience includes leading the integration of blockchain-based self-improvement application with over 400k users/500k downloads and building a global peer-to-peer donation platform.

Financial Advisor (CRM support) at RSCN New Homes

March 1, 2012 - January 1, 2017

Helped design and implement CRM databases supporting thousands of clients. Analyzed business data and collaborated with cross-functional teams in a fast-paced environment.

TEFL Teacher (A1-C1) at Cambridge School

October 1, 2010 - June 1, 2023

Designed and delivered A1-C1 level courses for diverse groups, strengthening communication and presentation skills through structured lesson planning and delivery.