Miguel Payá

Developed Python backend tools and platform features for an AI-assisted modernization platform focused on legacy code analysis, documentation generation and migration support. Worked with LLM-assisted workflows to analyze legacy codebases and validate AI-generated outputs.

Contributed to a short-term backend modernization project for the O2 mobile application, designing contract-first APIs and service orchestration flows. Built Python services for telco integrations, authentication, validation and maintainable service boundaries.

Led backend and indexing work for the GenLayer Explorer, exposing transactions, accounts, validators, consensus events and execution states through API services. Designed SQLAlchemy models and PostgreSQL schemas for blockchain/protocol data, improving traceability and observability.

Designed and implemented a Python/Flask REST API to centralize metadata and operational data from Control-M, ADLS and AS/400 into PostgreSQL. Modeled and transformed internal data into DataHub-compatible schemas, supporting cataloging, lineage and metadata governance workflows.

Built Python/Flask backend services and internal platforms for crypto quantitative trading operations, exchange integrations and automation workflows. Worked on market-making and liquidity-provision tooling, including bid/ask handling and configurable order placement.

Built data-driven trading bot strategies, including backtesting, monitoring tools and configurable strategy logic. Developed Python/pandas scripts for data extraction, cleaning, analysis and reporting, and supported more than 25 users with installation and configuration.

Ongoing hands-on training in Ethereum, EVM, Solidity smart contracts, DApps, Hardhat/Truffle workflows and Web3 development.

Completed course problems and projects covering Python, Django, SQL, JavaScript, user interfaces, testing, scalability and security.