Ricardo Blanco
Senior Backend Developer | AWS & Microservices
1 recommendation
Salary / Daily rate
1 person recommend
Monterrey, Nuevo Leon, Mexico
Freelance, open to permanent contract
Skills
Languages
About me
Intro
Full-stack developer with 4+ years specializing in AWS cloud architecture and financial applications. Expert in building secure banking APIs, serverless microservices, and React interfaces with proven experience in PostgreSQL optimization and OCR integrations. Ready to deliver scalable, production-ready solutions using TypeScript, Python, and modern cloud infrastructure.
Work experience
Backend Developer
Afflux
Jul 2023 - May 2025
1 year 11 months
Monterrey, Nuevo Leon, Mexico
- Design and implementation of RESTful APIs (Node.js / Python) Create and maintain secure and scalable endpoints for banking operations such as transfers, user authentication, balance inquiry, etc. - Service orchestration on AWS Use of services such as Lambda, API Gateway, EC2, S3, CloudWatch, Secrets Manager and RDS to build and deploy backend solutions. - Building serverless architectures and microservices Developing Lambda functions or decoupled services in containers, with communication via queues (SQS), pub/sub (SNS), or internal messaging. - PostgreSQL database management and optimization Banking data modeling, complex queries, index creation, and secure and efficient stored procedures.
Frontend Developer
Shopnet MX
Aug 2021 - Jul 2023
2 years
Monterrey, Nuevo Leon, Mexico
- Building the user portal interface (React + TypeScript) Development of screens to upload tickets, view accumulated rewards, purchase history, promotion rules, etc. - Upload and validation of images or PDFs of purchase tickets Implementation of forms with preview, format/size restrictions, and upload to AWS S3 or AWS Amplify Storage. - Integration with OCR APIs and backend in Node.js / Python Communication with services that extract ticket data (product, date, amount) for automatic validation and cashback generation.
Frontend Developer
Dutch Monaco
Jun 2020 - Aug 2021
1 year 3 months
Los Angeles, CA, USA
- Development of an interactive landing page in React + TypeScript Implementation of a visually stunning site, with animated sections, promotional art, and multimedia content.
Education
Autonomous University of Nuevo Leon
Bachelor's Degree in Information Technology Security, IT
2018 - 2022
4 years 1 month
Grade: Bachelor