Gaston Gaitan

Python / Node JS AWS Backend Developer

Trinetix

Apr 2025 - Current (1 year 2 months)

• Successfully delivered and deployed into production a chatbot that answers from internal knowledge via RAG embedding user queries, searching Snowflake vector tables, applying permission filters, and augmenting prompts with retrieved chunks before calling the AWS Bedrock LLM. • Refactored enterprise authentication system integrating Snowflake, AWS Lambda, and Azure AD, automating user lifecycle management and achieving zero-downtime migration for 500+ users. • Align Angular frontend API requests with the corresponding data. • Collaborated with UI/UX designers to enhance the user experience. • Collaborated with Front End and DevOps team daily. • Use AWS LocalStack to test local DynamoDB infrastructure. • Collaborated in a multicultural envi

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Python AWS Backend Developer

Bitbug

Mar 2024 - Apr 2025 (1 year 2 months)

• Created a back-end application integrating WordPress API, Python, Flask, MySQL, AWS Cloud, and Artificial Intelligence (GPT Chat API and Python SDK). I researched and learned how to apply the Chat GPT API on AWS services like Elastic Beanstalk and Lambda. • Build backend services from scratch into production. • I followed Scrum methodologies, maintained communication and updates within a multidisciplinary team, and communicating in English daily. • Managed AWS services such as Lambda, Elastic Beanstalk, EC2, Load Balancers, DNS, Route 53 and SQS, among others. I developed APIs and worked on PHP development and extensions for WordPress. • Implemented artificial intelligence solutions with Python, specifically using the GPT and Gemini Chat

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Web Scraper

Rank Genius

Mar 2024

Freelance job where I scraped a Real Estate Company Data. I implemented Python, Pandas, and Selenium web driver to complete the task.

Support L3 Software Engineer

Amdocs

May 2023 - Mar 2024 (11 months)

• Assisted front-end applications in maintaining their integrity with back-end applications that contained sensitive information about customers and the billing system. • Advanced knowledge in SQL, Java, back-end, APIs, Unix/Linux, Full Stack, CRM, transaction systems, business logic and English, among others, was required to collaborate in the maintenance of the system. • English speaking daily. • Created Python scripts in Unix servers to automate daily SQL workarounds to clean data. • Read logs from Unix servers to find root cause from issues raised by client. • Lead meetings with different teams to communicate current database state.

Semi Senior Localization Engineer

Transperfect

Oct 2021 - May 2023 (1 year 8 months)

• Prepare files containing code so that translators could translate them without requiring technical knowledge. Additionally, I automated part of my daily tasks by combining Python, Excel, and batch programming. • Everything I learned in this position was taught in English, as I was the only person working for the New York office from Argentina. • I had to understand API requirements to prep Excel files to be sent to the technical team so that the data could be adjusted to the backend. • The company had a Machine Translation API where I had to interact via HTTP to modify its data depending on the client's requirements. • Apply regular expressions on files to separate translation and logical content. • Manipulate Python, C#, Java, JSON and X

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