Rafael – Python, AWS, FastAPI

Autonomous agents for monitoring activities at NYC healthcare facilities and verifying them against federal laws and regulations.

• built LLM-based workflows and RAG pipelines for processing 100s of pages of federal laws and regulations into deterministic code;
• built multi-agent loops for analyzing data and verifying them against local laws;
• built a privacy-preserving MCP (Model-Context Protocol) for facility staff to quickly query and verify EHR systems.
• designed and implemented AI reinforcement learning workflows for translating federal rules into code,
• implemented RDF linked data parser and storage;
• synchronizing personal medical data from open & proprietary data exchange protocols (like FHIR);
• meeting with healthcare-facility administrators and staff to explain technical details in an approachable way.

Processing and connecting terabytes of financial and reputation data for analysis of behaviors, sentiments, and actions across the web.

• built realtime event streaming processing pipelines across 8 blockchains;
• decoded raw data of Ethereum chains;
• analyzed and benchmarked the performance of individual nodes in decentralized networks;
• designed backfilling and cost optimization techniques for joining multi-chain data-management of Terraform IaaC infrastructure with more than 100 services;
• implemented complex e2e integration tests for Google Cloud Platform for local environment.

Solvemed builds medical devices, and it is an integrated platform for scientists and researchers to enable early diagnosis of neurological diseases (Alzheimer's, Parkinson's, et al.) We are working with Oxford and Stanford Universities to help researchers better understand the progression of diseases through modern biological measurement methods.

• led remote team of 8 engineers and data scientists;
• architected infrastructure on a private cloud (for HIPAA compliance);
• built ML data processing and model training pipelines;
• hacked iPhone hardware camera to get raw 10-bit camera sensor data streamed in real-time using Swift and low-level Assembly.
• implemented quality management system (QMS) for medical devices ISO 13485 for the technology;
• produced proof of concepts, marketing materials for CV fundraising;
• managed day-to-day engineering efforts (stand-ups, async updates); weekly company meetings (sprints, director reports), as well as quarterly gatherings (OKR planning and evaluation, etc.);
• participated in the clinical trials and in writing scientific documents and reports.

Ovos Play is a versatile e-learning multi-platform for schools, businesses, and friends.

• implemented complex e2e test suite platform to increase dev velocity of +15 people;
• created automation pipeline for deploying iOS and Android apps for 40+ clients;
• mentored front-end and back-end engineers;
• implemented cross-platform UI JS/TS frameworks for iOS/Android/Electron/Web.

A global communication platform for top executives across +100 affiliate branches.

• managed a team of 8 developers to build from scratch a corporate communication system;
• mentored in-house team in areas of new technology;
• introduced new standards to corporate development culture (working documents, standups, async communication);
• designed mobile apps for iOS and Android.

DOOM, Quake, Fallout, The Elder Scrolls: All these games wouldn't be there if it wasn't for cooperation of hundreds of people. I was working on implementing open source data sharing protocols for game assets exchange across the teams.

• incorporated open source software into internal legacy systems;
• extended project management stack (based on Redmine) with custom business logic.

Redmine is a flexible project management web application with a robust ecosystem of extensions ranging from CRM to workforce planning.

• produced and implemented data mining solutions for businesses across various domains, including marketing, real estate, and e-commerce;
• worked directly with leaders from different domains (management, analysis, development, administration) to ensure team integrity and successful deliverables;
• led development of BPM software used to streamline and optimize work within the company.

All these LEGO bricks require quite a sophisticated mix of business, logistics, manufacturing, and software.

• implemented BPM and CRM platforms for sales and partnerships;
• integrated two business-critical platforms into one;
• implemented E2E test suite for implemented business processes and integration of external services.