darkodev

Senior Full Stack Backend Developer

Accomplished Software Engineer with 10 years of experience delivering AI-driven solutions and web applications. Demonstrated success in boosting customer satisfaction by 20% and reducing deployment times by 40%. Expert in Python, Data Science, Machine Learning (ML), Deep Learning (DL), Natural Language Processing (NLP), and Web programming languages.


Experience: 11 years

Yearly salary: $80,000

Hourly rate: $40

Nationality: 🇷🇸 Serbia

Residency: 🇷🇸 Serbia


Experience

SENIOR FULL-STACK DEVELOPER
LEAN DATA
2019 - 2024
Revamped data processing architecture to handle 1TB of data weekly, utilizing advanced ETL processes; the new system is now leveraged by 10+ analysts for improved data accessibility and reporting accuracy. Delivered AI-powered backend services, slashing manual data processing efforts by 30%. Created an LLM-powered financial statement automation system, increasing processing efficiency by 25% and elevating customer satisfaction by 20%. Reduced false positives by 15% and upgraded loan portfolio performance by 10% through innovative machine learning models. Led the development of a scalable ML platform on AWS, cutting model deployment time by 40%. Enhanced gesture recognition accuracy by 35% through refined computer vision algorithms, reducing processing time by 15%. Achieved 90% accuracy with sub-200ms latency in speech recognition systems for a voice-enabled virtual assistant.
FULL-STACK DEVELOPER
ITTM S. A
2015 - 2019
Refactored Django/Python code, reducing bugs, enhancing reusability by 50%, and adapting it to support 3 new data visualization interfaces, improving data accessibility for 200+ users. Leveraged AWS services including EC2, S3 and the Comprehend API for project infrastructure and functionalities. Devised an Angular-based frontend for a high-traffic e-commerce platform, enhancing user experience and boosting conversions by 5%. Engineered a backend Restful API system using Node.js and Express.js, enhancing data processing speed by 25% and reducing server response time by 10%, resulting in improved user experience. Optimized database queries on SQL Server, reducing data retrieval times by 40% and supporting business analytics. Built over 2 LAMP stack web applications using MVC PHP frameworks such as Laravel. Managed end-to-end development of web applications, combining .NET framework for backend functionalities and React for frontend interfaces, ensuring seamless interaction and integration between the two technologies. Managed version control for 7 projects using Git, ensuring smooth collaboration across both frontend and backend developing teams, and minimizing merge conflicts by 41%. Implemented an efficient admin panel using Active Admin, streamlining management processes and enabling real-time reporting; reduced administrative task completion time by 30%, allowing for more focus on customer interactions.
BACKEND DEVELOPER
NIANTIC, NC TOKYO
2011 - 2015
Engineered backend systems handling over 100,000 transactions daily, scaling platform capacity by 20%. Increased platform performance by 15% with the successful deployment of APIs across multiple platforms. Achieved 95% code coverage through rigorous unit testing for all API endpoints using Mocha. Developed a financial auditing system for Stripe payments, reconciling over $2 million in transactions with 99.8% accuracy.

Skills

aws
blockchain
chatbot
firebase
mobile
solana
solidity
web3js
python
english