David Todor

AI/ML • Bucharest, Romania • UTC+02:00 • Fully remote • Work permits: Romania • English: C1 • Available in 2 weeks • from $60k per year

Full Stack Developer

11+ years exp

6+ years ML exp

Kotlin

Rust

Java

Node JS

PHP

JavaScript

TypeScript

Solidity

Python

Bash

Active 2 days ago

+40 (316) 305452

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Overview

Technical skills

Timeline

Roles

Overview

Senior software engineer with 10+ years of experience building scalable full-stack systems using JavaScript/TypeScript, React/Next.js, and Node.js/Nest.js. Delivered distributed microservices and asynchronous pipelines with Kafka and RabbitMQ, and supported cloud-native infrastructure on AWS and Kubernetes with CI/CD and observability. Also built AI automation and LLM-based internal tools using Python and LangChain/LlamaIndex for document processing and support workflows.

Technical skills

Kotlin

Rust

Java

Node JS• Senior • 11y+

PHP• 11y+

JavaScript• Junior • 11y+

TypeScript• Senior • 11y+

Solidity• Junior • 8y+

Python• Senior • 6y+

Bash• Middle • 4y+

Node JS

Express• 6y+

BullMQ• 4y+

Nest.JS• 4y+

Databases

DynamoDB

MySQL• 11y+

PostgreSQL• 6y+

Apache Kafka• 4y+

RabbitMQ• 4y+

Redis• 4y+

AI/ML

LLM

NLP• 6y+

LangChain• 4y+

LlamaIndex• 4y+

Prompt Engineering• 4y+

RAG• 4y+

Frontend

GraphQL

Tailwind CSS

PostCSS

React.js• 11y+

Vue.js• 11y+

Redux• 8y+

Next.js• 6y+

Mobile

State Management

DevOps

CI/CD

GCP

AWS• 11y+

Rest API• 8y+

Git• 6y+

Docker• 4y+

GitHub Actions• 4y+

Grafana• 4y+

Jenkins• 4y+

Kubernetes• 4y+

OpenTelemetry• 4y+

Prometheus• 4y+

Terraform• 4y+

Web3

Smart Contracts

Web3.js

Ethereum• 8y+

Ethers.js• 8y+

Design

Figma

Postman

Timeline

Senior Full Stack Engineer • Senior

NTT DATA • Full-Time

Mar 2022 to Present 4 Years 5 Months Bucharest Partially remote

Architected and built an eCommerce platform from scratch across frontend and distributed backend services. Implemented a microservices backend with Nest.js, REST/GraphQL APIs, and database caching, plus an asynchronous order-processing pipeline using RabbitMQ, Kafka, BullMQ, and background workers. Delivered AI-powered automation tools and LLM-based internal features, and owned cloud-native operations including AWS infrastructure, CI/CD, and observability with Prometheus, Grafana, and OpenTelemetry.

React.js

Next.js

TypeScript

Node JS

Nest.JS

PostgreSQL

Redis

Docker

Kubernetes

AWS

Terraform

Apache Kafka

RabbitMQ

BullMQ

Prometheus

Grafana

OpenTelemetry

GitHub Actions

Jenkins

Python

LangChain

LlamaIndex

Prompt Engineering

RAG

Bash

Full Stack Engineer • Middle

Luxoft Romania • Full-Time

Jul 2020 to Mar 2022 1 Year 8 Months Bucharest Partially remote

Developed healthcare platform features across React/Next.js frontend and secure backend services. Implemented healthcare APIs for patient and operational workflows with role-based access, and added AI automation components for document classification and key-information extraction. Built Python data-processing scripts to clean and transform healthcare data, while improving UI performance and reliability through optimized queries, validation, and error handling.

React.js

Next.jssince 2020

TypeScript

Node JS

Express

PostgreSQLsince 2020

Pythonsince 2020

NLP

Software Developer • Middle

RAKBANK • Full-Time

Feb 2018 to Jun 2020 2 Years 4 Months Dubai In office

Contributed to digital banking and fintech features with a frontend-heavy focus, building responsive React/TypeScript interfaces and improving user workflows for account and transaction screens. Developed backend integration layers using Node.js and Python to connect UI flows with enterprise services and authentication-related APIs. Participated in Web3 research/prototyping work involving Ethers.js, Ethereum wallet connectivity, and smart-contract interaction patterns.

React.js

TypeScript

JavaScript

Redux

Node JS

Rest API

Ethers.js

Ethereum

Solidity

Junior Full Stack Developer • Junior

Deloitte • Full-Time

Sep 2015 to Feb 2018 2 Years 5 Months Luxembourg City In office

Started a software engineering career delivering frontend and backend features for enterprise and eCommerce applications. Worked with PHP and JavaScript/TypeScript frameworks (including React and Vue.js), building modules and admin/customer-facing pages while supporting the full development lifecycle. Supported AWS-based deployments and worked with relational data and application logic using MySQL.

PHP

JavaScriptsince 2015

TypeScriptsince 2015

React.jssince 2015

Vue.js

Node JSsince 2015

MySQL

AWSsince 2015

Aalto University – Helsingin kauppakorkeakoulu (Mikkeli Campus)

Bachelor's Degree • Computer Science

2012–2015 Mikkeli, Finland