Backend Development & API Architecture

Platforms & Cloud

AWS GCP Docker Kubernetes Snowflake

Programming & Frameworks

Python Developer Django REST Flask FastAPI JavaScript

Databases & Caching

PostgreSQL MySQL SQLAlchemy Redis DynamoDB

DevOps & CI/CD

GitHub Actions Jenkins Terraform CloudFormation Prometheus

Data Engineering

Apache Spark PySpark Apache Airflow Hadoop ETL Pipelines ELT Pipelines Snowflake Data Validation

AI & Machine Learning

Langchain HuggingFace OpenCV TensorFlow Keras

API Development & Cloud Infrastructure

With over a decade of experience delivering high-impact backend solutions, I specialize in building scalable, robust APIs that solve complex business challenges. As a freelance Python consultant, my work has directly contributed to:

Accelerated API Performance

45-85% improvement in response times for client projects

Cloud Cost Optimization

30-40% decrease in infrastructure costs for startups

Secure Backend Architecture

SOC2 compliance and robust API security implementations

Technology Stack

Python
10+ years
Docker
10 years
Django
8+ years
PostgreSQL
8 years
Kubernetes
6 years
AWS
5+ years
FastAPI
5 years
Google Cloud
5 years
Terraform
5 years
Apache Airflow
4 years

Freelance Services

Professional backend, cloud, and data engineering services tailored to your business needs. From scalable API development to AI/ML integration and cloud infrastructure optimization.

Scalable Backend API Development

Custom REST and GraphQL APIs built with Django and FastAPI for startups and enterprises. Microservices architecture that scales to millions of users with high performance.

Django FastAPI REST GraphQL Microservices
View Backend Expertise

AI/ML Integration Services

Machine learning implementation with Python using HuggingFace, LangChain, OpenCV, and TensorFlow for business automation, data analytics, and intelligent features.

HuggingFace LangChain TensorFlow OpenCV Python
View AI/ML Services

Cloud Infrastructure & DevOps

AWS/GCP architecture design with 30-40% cost reduction, Kubernetes orchestration, and CI/CD automation for reliable, scalable deployments.

AWS GCP Kubernetes CI/CD Docker
View Cloud Solutions

Data Pipeline Engineering

Robust ETL/ELT pipelines orchestrated with Apache Airflow, data warehousing on Snowflake, and analytics infrastructures with PySpark and Hadoop that deliver actionable business insights at scale.

Apache Airflow Snowflake PySpark Hadoop ETL/ELT
View Data Solutions

Experience & Enterprise APIs

2023
OneTrustSenior Python Developer Sep 2023 – Present | Remote, USA
Privacy and compliance software platform
Led the development of a mission-critical data migration platform following OneTrust's acquisition of Convercent, a major compliance management platform. The challenge involved migrating terabytes of sensitive compliance data across different database schemas while maintaining strict data integrity and privacy requirements.
Key Contributions:
  • Migration Architecture: Designed and implemented an enterprise-grade ETL pipeline orchestrated with Apache Airflow, achieving 99.9% data accuracy with zero privacy violations
  • Technical Challenges: Developed a flexible mapping engine handling schema transformations across 50+ complex data types
  • Performance Optimization: Reduced data processing time by 45% through parallel batch processing
  • Implementation: Created robust Django APIs with PostgreSQL integrations handling 100+ custom fields
  • Infrastructure: Designed Kubernetes-based client tools deployable in various environments, including air-gapped networks
Successfully migrated 20+ enterprise clients with zero data loss incidents, accelerating time-to-value for acquired customer base.
Python Django PostgreSQL Apache Airflow Kubernetes AWS Docker Microservices
2022
SecurityScorecardSenior Python Developer Apr 2022 – Sep 2023 | Remote, USA
Cybersecurity rating platform
Enhanced their cybersecurity rating platform, which continuously monitors and assesses the security posture of organizations worldwide. Tackled challenges in scaling data collection infrastructure and making complex security insights more accessible to business users.
Key Contributions:
  • AI Integration: Built a Langchain-powered chatbot with FastAPI for non-technical users to interact naturally with security data
  • Infrastructure Scaling: Implemented microservices handling 1M+ hourly API requests with 99.95% uptime
  • Data Pipeline Development: Created resilient ingestion pipelines orchestrated with Apache Airflow, integrating with Snowflake for data warehousing across heterogeneous data sources
  • API Enhancement: Implemented comprehensive versioning strategy ensuring smooth transitions
  • Technical Excellence: Developed extensive test suites improving code quality by 35%
Systems contributed to a 30% increase in API usage and enabled the platform to handle 3x more vendors per customer.
Python Django Langchain FastAPI Apache Airflow Snowflake AWS Jenkins Docker
2020
IKTechSenior Python Developer & Cloud Architect Jul 2020 – Present | Remote, USA
Consulting firm with projects for Fortune 500 clients

Project: PayPal / Venmo

Strengthened authentication flows for Venmo's financial transaction systems handling millions of daily transfers, improving security while maintaining seamless user experience.
  • Security Enhancement: Created Python validation decorators preventing common attack vectors
  • Testing Framework: Developed comprehensive QA testing for 20+ edge case scenarios
  • Infrastructure: Deployed CI/CD pipelines using Kubernetes and SSO workflows
Python Flask Kubernetes AWS Docker
2020
IKTechSenior Python Developer & Cloud Architect Jul 2020 – Present | Remote, USA
Consulting firm with projects for Fortune 500 clients

Project: ProbiusDx

Led cloud migration for a bioinformatics startup analyzing medical diagnostic data, optimizing performance for compute-intensive analysis while ensuring regulatory compliance.
  • Cloud Migration: Migrated services from Azure to AWS, reducing costs by 40%
  • Architecture: Designed microservices with 99.9% uptime serving 100K+ daily API requests
  • ML Integration: Built real-time analysis pipelines with sub-second response times
Reduced fraudulent authentication attempts while accelerating time-to-market for critical diagnostics platform.
Python Flask SQLAlchemy AWS Docker Jenkins Kubernetes OpenCV Keras
2016
Previous ExperienceSenior Roles in Python Development 2016 – 2021 | Various Locations
  • BairesDev: Modernized legacy systems to AWS serverless infrastructure, reducing costs by 40%
  • Dextra Digital: Built PySpark/Hadoop ML pipelines processing 10M+ daily records for Serasa Experian
  • GPr Sistemas: Developed SNMP-based monitoring banking network devices
  • Sintecsys: Created wildfire detection system that detected 500+ early-stage fires
  • Multiway: Built ALPR system processing 1M+ vehicles daily with 98% detection accuracy
Python Django Flask PySpark Hadoop AWS PostgreSQL TensorFlow OpenCV

Recommendations

Ivan Domingos Francisco

Engineering Lead | Creditas

December 15, 2024, Ivan managed Henry directly

"It was great working with Lobato at Dextra. He demonstrated excellent proficiency in Python, delivered quickly, created high-quality solutions, and always supported the business area with great dedication. Furthermore, he had an excellent relationship with the team, contributing to a collaborative, positive, and pleasant work environment. I highly recommend him as a professional!"

Felipe Longo França

Tech Lead • Senior Software Engineer

December 7, 2024, Felipe worked with Henry on the same team

"Working with Henrique was an enriching experience. His expertise in Python is exceptional, and his ability to apply complex concepts in a practical and efficient way made a significant difference in the projects we collaborated on. Henrique demonstrated a unique talent for optimizing processes and finding innovative solutions to challenging problems. Beyond his technical proficiency, Henrique has a collaborative approach and was always willing to share his knowledge, helping to elevate the technical level of the entire team. His attention to detail, combined with his passion for development, makes him an indispensable professional in any tech team."

Eduwardo Horibe

Developer at Multiway Comercio E Representacoes Ltda

December 2, 2024, Eduwardo worked with Henry but on different teams

"Although we worked on different fronts in the development sector, Henrique was essential to my professional development. His way of explaining Linux, a very alien topic for me at the time, made me completely rethink the way I work, especially in automating repetitive tasks, as well as debugging and analyzing problems in the module I maintained, which runs mainly on Linux servers. In addition, his insights into Python development proved to be extremely valuable in my academic development, especially in data analysis projects. His way of explaining complex and abstract concepts is excellent. I can say without a doubt that he was one of the best tutors of my career and that I grew a lot professionally and academically thanks to his influence."

Carolina Gonzalez Alvarenga

Senior Frontend Software Engineer @ Uber

December 2, 2024, Carolina and Henry studied together

"I had the privilege of studying Engineering alongside Henry, and from the very beginning, it was clear that he was someone with exceptional intelligence and impressive dedication. His ability to grasp complex concepts and his capacity to lead his peers in academic activities always stood out. Over time, I’ve seen Henry evolve from a brilliant student into an extremely talented professional in the field of Python development. What impresses me most about Henry is the combination of his technical depth and his innovative approach to problem-solving. He doesn’t settle for simply solving challenges efficiently; he always seeks the most elegant and sustainable solution. His logical reasoning and attention to detail are qualities that make him a top-tier developer. More than that, he genuinely enjoys learning and constantly improving, which is one of his greatest strengths. Following Henry's journey has been a true inspiration. His evolution from an excellent student to a standout professional in the world of programming fills me with pride. Working with him is always an enriching experience, and I feel privileged to have had the opportunity to witness his growth and success firsthand."

Renato Fuzaro Miotto

Computational Scientist | ML Engineer | HPC & CFD Specialist | Operations Researcher | Digital Twin & Forecasting Models | Quantitative Modeling for Intelligent, Data-Driven Decisions

November 29, 2024, Renato reported directly to Henry

"I had the privilege of working with Henrique at IK Tech, where his technical expertise and leadership truly stood out. As a Senior Software Engineer and founder, Henrique combines deep knowledge with a strategic mindset, consistently delivering innovative solutions to complex challenges. He’s not only a skilled engineer but also a mentor who fosters collaboration and drives success. I highly recommend Henrique for any team or project."

Rai Martins

Infinity Media Brasil | Physicist | Software Engineer | Kotlin | Node.js | Flutter | Dart | Android | Ios

November 29, 2024, Rai worked with Henry but on different teams

"Working with Henrique was undoubtedly one of the most positive experiences I’ve ever had. Beyond being a highly skilled professional with expertise in technologies such as Python, Django, Kubernetes, GCP, and AWS, Henrique also stands out as an incredible human being. His empathy, patience, and generosity are qualities that transform the work environment and make any challenge more manageable. Henrique is not just a technical problem solver — he is a true leader by example. Always willing to listen, help, and share knowledge, he inspires everyone around him to give their best. His ability to unite people and foster a strong team spirit is something rare and extremely valuable. Having the opportunity to work alongside someone so committed to excellence and, at the same time, so genuinely human was a privilege. Henrique not only adds value to projects but also to the people around him, leaving a positive impact wherever he goes. Any team would be fortunate to have him."

Dennis Rojas

Staff Software Engineer | Distributed Systems & Cloud Architecture

September 10, 2023, Dennis was senior to Henry but didn't manage Henry directly

"Henry Lobato is a professional with a great desire to learn and always be up to date, contributing to his own growth and that of the company. It was an honor to work with him and I completely recommend to any company."

Ready to Build Something Amazing?

I help businesses build reliable, high-performance technical solutions that solve real problems. Whether you need scalable APIs, cloud cost optimization, or AI integration, let's discuss how I can deliver measurable value to your project.

99.9% uptime for mission-critical systems
30-40% cloud infrastructure cost reduction
High-performance APIs handling millions of requests
Comprehensive testing and documentation

Education & Certifications

B.Sc. Computer Science
University of London
2023
Software Analyst
USF
2017–2020
AWS Certified Cloud Practitioner
2021
Professional Pentest Certifications
Desec Security
2017
Modern Web Exploitation
Alura
100+ hours

Languages

🇧🇷 Portuguese (Native)
🇺🇸 English (Advanced)
🇷🇺 Russian (Basic)