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Software Developer with 3+ years of professional experience. PROJECTS: 1. Financial management platform: - Developed and maintained a complex frontend application for a blockchain-based financial platform that included payment transaction features that were integrated with a browser extension. These payment transactions interacted with a smart contract and generated events. - Processed incoming events on the backend generated by the smart contract by decrypting data and managing database operations. 2. Information gathering and processing system: - Developed a multi-page app that had advanced navigation and advanced client-side state. - Developed proxy servers in Go by implementing endpoints that transform JSON to XML, handle external requests, and convert XML responses back to JSON. 3. Recruitment management system: - Developed a responsive and very complex UI that included advanced management of lists of candidates. - Developed endpoints on the backend that included advanced filtering and sorting…Software Developer with 3+ years of professional experience. PROJECTS: 1. Financial management platform: - Developed and maintained a complex frontend application for a blockchain-based financial platform that included payment transaction features that were integrated with a browser extension. These payment transactions interacted with a smart contract and generated events. - Processed incoming events on the backend generated by the smart contract by decrypting data and managing database operations. 2. Information gathering and processing system: - Developed a multi-page app that had advanced navigation and advanced client-side state. - Developed proxy servers in Go by implementing endpoints that transform JSON to XML, handle external requests, and convert XML responses back to JSON. 3. Recruitment management system: - Developed a responsive and very complex UI that included advanced management of lists of candidates. - Developed endpoints on the backend that included advanced filtering and sorting

David Banciu

Front-End Developer, Full Stack Developer, Programmer, +4

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Software Developer with 3+ years of professional experience. PROJECTS: 1. Financial management platform: - Developed and maintained a complex frontend application for a blockchain-based financial platform that included payment transaction features that were integrated with a browser extension. These payment transactions interacted with a smart contract and generated events. - Processed incoming events on the backend generated by the smart contract by decrypting data and managing database operations. 2. Information gathering and processing system: - Developed a multi-page app that had advanced navigation and advanced client-side state. - Developed proxy servers in Go by implementing endpoints that transform JSON to XML, handle external requests, and convert XML responses back to JSON. 3. Recruitment management system: - Developed a responsive and very complex UI that included advanced management of lists of candidates. - Developed endpoints on the backend that included advanced filtering and sorting…Software Developer with 3+ years of professional experience. PROJECTS: 1. Financial management platform: - Developed and maintained a complex frontend application for a blockchain-based financial platform that included payment transaction features that were integrated with a browser extension. These payment transactions interacted with a smart contract and generated events. - Processed incoming events on the backend generated by the smart contract by decrypting data and managing database operations. 2. Information gathering and processing system: - Developed a multi-page app that had advanced navigation and advanced client-side state. - Developed proxy servers in Go by implementing endpoints that transform JSON to XML, handle external requests, and convert XML responses back to JSON. 3. Recruitment management system: - Developed a responsive and very complex UI that included advanced management of lists of candidates. - Developed endpoints on the backend that included advanced filtering and sorting

Available to hire

Cluj-Napoca, Romania

Software Developer with 3+ years of professional experience.

PROJECTS:

Financial management platform:

Developed and maintained a complex frontend application for a blockchain-based financial platform that
included payment transaction features that were integrated with a browser extension. These payment
transactions interacted with a smart contract and generated events.
Processed incoming events on the backend generated by the smart contract by decrypting data and
managing database operations.

Information gathering and processing system:

Developed a multi-page app that had advanced navigation and advanced client-side state.
Developed proxy servers in Go by implementing endpoints that transform JSON to XML, handle external
requests, and convert XML responses back to JSON.

Recruitment management system:

Developed a responsive and very complex UI that included advanced management of lists of candidates.
Developed endpoints on the backend that included advanced filtering and sorting

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Romanian, Moldavian, Moldovan

Fluent

Work Experience

React Developer at E-commerce Analytics Dashboard

October 1, 2024 - June 7, 2024

Worked with a fast-growing European online retailer to develop a modern analytics dashboard monitoring real-time sales, inventory, and marketing KPIs across multiple storefronts. Crafted over 10 responsive React pages supported by a reusable component library and TypeScript-driven styling system, reducing code duplication by 45% and accelerating new feature delivery by 30%. Implemented robust global state architecture using Redux Toolkit, with code-splitting and selective memoization to enhance performance.

Full Stack Developer at Financial Management Platform in MultiversX ecosystem

August 1, 2023 - October 1, 2024

Developed a new way to manage financial operations for a key player in the MultiversX ecosystem by creating a customer-friendly interface. Increased system integration speed by 35% and improved user experience metrics by 50%. Automated donations and subscriptions management services, boosting efficiency by 40%. Utilized React, Redux, Tanstack Query, ShadCn, Tailwind, NestJs, Docker, MongoDB, PostgreSQL, RabbitMQ, Blockchain Technology, Git, and REST API.

React Developer at Payment Processing System

December 1, 2022 - August 1, 2023

Enhanced scalability and flexibility of payment infrastructure for a leading payment solutions provider in the Netherlands. Increased processing speed by 70% through system architecture optimization and boosted data interchange efficiency by 60% by implementing robust microservices for mapping and data conversion. Used React, Redux, MUI, NestJs, Golang, Docker, MariaDB, RabbitMQ, Git, REST API, and Microservices.

React Developer at Bank in Belgium

June 1, 2022 - December 1, 2022

Developed numerous pages to improve user interface and experience for a prestigious Belgian bank. Increased processing capacity by 50% and enhanced data gathering efficiency by 30% by implementing an innovative navigation system. Used React, Redux, MUI, NestJs, Docker, PostgreSQL, and Git.

React Developer at Recruitment Management System

February 1, 2021 - June 1, 2022

Improved recruitment efficiency by 80% and streamlined candidate processing by 40% through development of a responsive, feature-rich user interface for a software development firm. Enhanced data handling and operation speeds led to quicker decision-making and more effective recruitment cycles. Technologies used include React, Redux, MUI, NodeJs, ExpressJs, Docker, MongoDB, MySQL, and Git.

Contractor Developer at Open-Source NestJS Project

August 1, 2023 - August 2, 2024

Developed a NestJS-based application for an open-source project, including PostgreSQL integration, Dockerization, and the implementation of an authentication service.

Consultant at Qubiz

August 1, 2023 - September 2, 2023

Information gathering and processing system. Provided guidance and support to team members who took over responsibilities.

Software Developer at Qubiz

June 1, 2022 - August 2, 2023

Developed a multi-page application with advanced navigation and client-side state; built backend proxy endpoints transforming JSON to XML and handling external requests, returning JSON responses. Tech stack included React, TypeScript, Redux, Go, and PostgreSQL.

Software Developer at Qubiz

July 1, 2021 - June 30, 2022

Developed a recruitment management system UI with advanced list management and built backend endpoints with filtering and sorting.

Software Developer at Qubiz

May 1, 2021 - July 31, 2021

Learned React and TypeScript by building a List Management app; built a basic Node.js server.