Givi is available for hire

Givi Khartishvili

Verified Expert in Engineering

Back-end Developer

Location

Tbilisi, Georgia

Toptal Member Since

September 13, 2021

Givi is a back-end developer with three years of experience working in Adjarabet, a top gambling company in Georgia. Currently, he works at Sharemac developing digital solutions for construction companies based in Germany. Throughout the years, Givi's learned how to easily adapt to new environments and learn new technologies quickly when needed.

Back-end Development REST APIs NestJS Node.js Back-end TypeORM Databases JavaScript TypeScript Oracle PL/SQL Apache Kafka SQL Agile PostgreSQL

Portfolio

Sharemac

JavaScript, TypeScript, NestJS, Node.js, PostgreSQL, Amazon Web Services (AWS)...

Adjarabet

JavaScript, TypeScript, Oracle, PL/SQL, PostgreSQL

Experience

Databases - 4 years Software Deployment - 4 years Node.js - 3 years Back-end Development - 3 years JavaScript - 3 years NestJS - 3 years TypeScript - 3 years Apache Kafka - 2 years

Availability

Full-time

Preferred Environment

Windows, Slack, Node.js, NestJS, WebStorm, Visual Studio Code (VS Code), Jira

The most amazing...

...thing I've done was rewriting a web API for a gambling company—after I redesigned the project architecture and change the data flow, it became ten times faster.

Work Experience

Software Developer

2020 - PRESENT

Sharemac

Developed a microservice that enabled users to create projects and request construction equipment at any given point on the map with live updates on equipment status.
Built AWS Lambda functions to communicate between microservices and move heavy code from microservices to auto-scaling lambdas.
Rewrote a big project from PHP to NestJS and TypeScript in three months, launched successfully without any issues.

Technologies: JavaScript, TypeScript, NestJS, Node.js, PostgreSQL, Amazon Web Services (AWS), AWS Lambda

Software Developer

2019 - PRESENT

Adjarabet

Developed software that transferred data from one source to another—over 10,000 live messages per second—using Apache Kafka, Node.js, and TypeScript.
Built an automation tool that generated new procedures whenever a new promotion was needed using Oracle and PL/SQL.
Created software that automated employee monitoring using Jira API, TypeScript, and MongoDB.

Technologies: JavaScript, TypeScript, Oracle, PL/SQL, PostgreSQL

Experience

Distributed Messaging System for a Gambling Company

A TypeScript and Node.js project that used Apache Kafka, Microsoft SQL, and SSIS tools to have live updates on any user action for a website with over 50,000 daily online players and 10,000 transactions every second.

I was the sole developer on this project, developing both the back-end and the software's database.

Construction Automation Software

https://syniotec.com/

A Node.js, TypeScript, and Nest.js-based service.

I wrote the core microservice that built new construction projects, created calendars and reports, allowed clients to request new machines for a project, and more. For this project, I also used AWS Lambdas and AWS API Gateway.

Skills

Frameworks

NestJS

Libraries/APIs

Node.js, REST APIs

Other

Back-end Development, Software Deployment, Data Structures, TypeORM, Back-end, Amazon API Gateway

Languages

JavaScript, TypeScript, SQL

Platforms

Oracle, Apache Kafka, Amazon Web Services (AWS), AWS Lambda, Windows, Visual Studio Code (VS Code)

Storage

Databases, PL/SQL, PostgreSQL

Tools

Kafka Streams, Slack, WebStorm, Jira

Paradigms

Agile, Design Patterns

Education

2017 - 2021

Bachelor's Degree in Computer Science

Free University of Tbilisi - Tbilisi, Georgia

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