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Dmitrii Gaidarji

Full Stack Developer

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Contact Details

Citizenship

RomaniaRomania

MoldovaMoldova

Based In

Romania. GMT+2

Resume

About me

Full Stack Developer with a decade of experience building high-stakes, data-intensive applications for global organizations. Specializing in architecting advanced search and discovery systems that leverage the relational intelligence of Neo4j, the scale of Elasticsearch, and the semantic depth of LLM embeddings to turn massive datasets into navigable insights, paired with expert-level D3.js visualization skills.

Work experience

Company: J. Bridge, LLC

Oct 2025 - Nov 2025

AI Integration / Fullstack Developer

  • Engineered and automated document processing pipeline that synthesizes key insights from high-volume PDF and PPTX files into standardized, business-ready PDF reports.
  • Integrated Zoho CRM APIs to automate the generation of accurate invoice reports, eliminating manual data entry and ensuring data consistency across financial workflows.
  • Leveraged Power Automate to architect an intelligent email-parsing workflow that detects meeting requests and automatically synchronizes scheduling with business calendars.

Main tools used:

ChatGPT API, local LLMs, Zoho CRM API, Power Automate

Company: Brokermate

Jun 2025 - July 2025

Consultancy - AI / Fullstack Developer

  • Engineered a real-time Conversational Voice AI using VAPI to automate inbound/outbound call handling; implemented seamless Speech-to-Text (STT) transcription and LLM-driven response generation to deliver a natural voice assistant experience.

Main tools used:

ChatGPT API, local LLMs, VAPI, STT

Company: LottieFiles

March 2025 - June 2025

Consultancy - Fullstack Developer

  • Optimized PostgreSQL indices and EdgeDB queries to enhanced database performance and reduce query execution times.
  • Conducted in-depth reviews of Honeycomb logs to identify bottlenecks and improve system reliability.
  • Updated and enhanced Node.js codebase to improve functionality and maintainability.
  • Implemented comprehensive tests to ensure code quality and system stability.

Company: Pfizer

2018 - 2024

Employed through Toptal

  • Developed an app that monitors the manufacturing processes across the company's plants all over the world and projects their completion dates on an interactive timeline.
  • Developed a Google-like search engine powered by Elasticsearch to index and display the internal company data.
  • Developed a GraphQL Database API interface for a Neo4j database to be accessed by agents with different permission levels.
  • Developed chart-type applications, such as pie charts and Sankey diagrams, to display complex graph data in an interactive one-way flow with filtering capabilities and animations.

Main tools used:

Neo4j and Cypher, ElasticSearch, GraphQL with NodeJS, React, D3.JS

Company: Point Dume

2016 - 2018

  • Developed an interactive React-driven customer web portal for accessing live accounting data cached using Redis/Redux and visualized with D3.js.
  • Created and set up multiple standalone back-end systems to maintain a REST API for a mobile application using Django.
  • Helped to organize hotspot certificate authentication using Java EJBCA service.
  • Developed the full-stack using React, Django, Gunicorn, Nginx, Redis, and MariaDB.

Main tools used:

Ansible, NGINX, Celery, Django, Docker