Lucas Bigiatti
@lucasbigiatti
Backend Developer at ComparApp, co-developing a B2B price comparison platform for distributors and retailers.
ArgentinaWhat I'm looking for
At ComparApp, I co-developed a B2B price comparison platform for distributors and retailers. I built backend features for product normalization, dashboards, and authentication.
On the MercadoJunior collaborative project, I built a REST payment processing API with API Key authentication, HMAC-SHA256 webhooks, and exponential backoff retry logic.
I also implemented async payment processing, automatic payment expiration, active payment limits, and Alembic migrations for that project. Its frontend included a real-time payment dashboard and refund system.
Through freelance personal projects, I developed backend applications and REST APIs with Python, FastAPI, and SQL, including a payment simulator, appointment system, and B2B tools. I'm seeking a Junior Backend Developer role.
Experience
Work history, roles, and key accomplishments
Backend Developer
MercadoJunior
Jan 2026 - Present (8 months)
Built a REST payment processing API with API Key authentication, HMAC-SHA256 webhooks and exponential backoff retry logic. Implemented async payment processing with auto-expiration and Alembic migrations.
Education
Degrees, certifications, and relevant coursework
Udemy
FastAPI: The Complete Course – Certificate, Backend Development
2025 - 2025
Completed the FastAPI: The Complete Course, developing backend APIs with FastAPI, Python, and SQL integration.
Instituto Tecnológico Beltrán
Higher Technical Degree, Systems Analysis
2022 - 2025
Pursued a Higher Technical Degree in Systems Analysis with focus on software development, databases, and system analysis.
Google Cybersecurity Professional Certificate, Cybersecurity
2024 - 2024
Completed the Google Cybersecurity Professional Certificate, covering cybersecurity fundamentals including networking, threats, and best practices.
Cultural Inglesa de Avellaneda
English Language Certification, English Language
2018 - 2024
Grade: B2
Completed 7 years of English studies, achieving a B2 level certification with strong reading, writing, and speaking skills.
Tech stack
Software and tools used professionally
Availability
Location
ArgentinaAuthorized to work in
Salary expectations
Job categories
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