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Pedro Hercules
From Brazil
$38/hr or $80,000/yr
Active over a week ago

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Senior Backend Engineer

Back-end Engineer
Available for hire
Years of experience
4+ years
Experience level
Senior
Available for
Full-time, Part-time, Freelance
Download Resume / CV

Backend Software Engineer with 4+ years of experience building production systems for FinTech, auctions, and digital services. Specialized in scalable architectures integrating blockchain, payment gateways, and government APIs.

๐—ฃ๐—ฟ๐—ผ๐˜ƒ๐—ฒ๐—ป ๐—ฅ๐—ฒ๐˜€๐˜‚๐—น๐˜๐˜€ โ€ข Leading backend development supporting 100+ vehicle transactions per day at InfoxHub โ€ข Promoted from intern to Mid-Level Software Engineer within 2 years at Infratoken โ€ข Automated auction monitoring through FTP integrations with Detran systems โ€ข Designed scalable REST APIs integrating Stripe, CelCash, and blockchain technologies

๐—–๐—ผ๐—ฟ๐—ฒ ๐—ฆ๐˜๐—ฎ๐—ฐ๐—ธ Backend: Node.js, TypeScript, NestJS, Express, PostgreSQL, MongoDB Cloud & DevOps: AWS, Docker, CI/CD Frontend: React, Next.js Integrations: REST APIs, OpenAPI/Swagger, payment systems

Focused on building clean, reliable, and maintainable systems. Experienced in leading features from architecture design to production deployment, always prioritizing scalability and real-world operational needs.

Skills

JavaScript TypeScript React.js Next.js NestJS Node.js Express.js Fastify AWS REST JWT MongoDB PostgreSQL MySQL Git GitHub CI/CD Python MariaDB FastAPI

Languages

English Portuguese

Employment History

Mid-Level Fullstack Software Engineer at Infoxhub Current 2024 - Now
- Architected and led backend development using TypeScript, Node.js, and NestJS on AWS, successfully supporting more than 100 vehicle transactions per day. - Automated auction monitoring through FTP integrations with Detran systems, transforming unstructured data into standardized formats for operational analysis. - Developed responsive dashboards with Next.js and React, optimizing backend communication and improving user experience and operational efficiency.
Mid-Level Software Engineer at Infratoken 2023 - 2024
- Designed scalable RESTful APIs using TypeScript, Node.js, and Express, integrating blockchain technologies and payment gateways such as Stripe and CelCash for secure and reliable transactions. - Achieved promotion from intern to Mid-Level Software Engineer within just 2 years, demonstrating accelerated technical growth and the ability to handle complex responsibilities. - Integrated payment gateways and backend transaction workflows responsible for processing thousands of Brazilian reais in digital asset purchases in production environments.
Junior Fullstack Developer at InspireIP 2022 - 2023
Started my technical career by building strong foundations in programming and version control with Git/GitHub, establishing a solid base for professional growth.

Education

Bachelorโ€™s Degree in Information Systems at Federal University of Piauรญ (UFPI) 2017 - 2022
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