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Seasoned full-stack developer specializing in Ruby on Rails, Node.js, and React. Equally comfortable as an individual contributor or leading small engineering teams (up to 10 developers). I can handle the full development lifecycle—from gathering requirements and architecture to implementation, DevOps, and production monitoring. I switched to programming exclusively with AI coding agents—a significantly more productive approach to software development.…Seasoned full-stack developer specializing in Ruby on Rails, Node.js, and React. Equally comfortable as an individual contributor or leading small engineering teams (up to 10 developers). I can handle the full development lifecycle—from gathering requirements and architecture to implementation, DevOps, and production monitoring. I switched to programming exclusively with AI coding agents—a significantly more productive approach to software development.

Andrew Tabit

Back-End Developer, Front-End Developer, Web Developer, +2

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Seasoned full-stack developer specializing in Ruby on Rails, Node.js, and React. Equally comfortable as an individual contributor or leading small engineering teams (up to 10 developers). I can handle the full development lifecycle—from gathering requirements and architecture to implementation, DevOps, and production monitoring. I switched to programming exclusively with AI coding agents—a significantly more productive approach to software development.…Seasoned full-stack developer specializing in Ruby on Rails, Node.js, and React. Equally comfortable as an individual contributor or leading small engineering teams (up to 10 developers). I can handle the full development lifecycle—from gathering requirements and architecture to implementation, DevOps, and production monitoring. I switched to programming exclusively with AI coding agents—a significantly more productive approach to software development.

Available to hire

Seasoned full-stack developer specializing in Ruby on Rails, Node.js, and React. Equally comfortable as an individual contributor or leading small engineering teams (up to 10 developers). I can handle the full development lifecycle—from gathering requirements and architecture to implementation, DevOps, and production monitoring.

I switched to programming exclusively with AI coding agents—a significantly more productive approach to software development.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Ukrainian

Fluent

Russian

Fluent

Work Experience

Principal Software Engineer at Go Technology Management

April 1, 2022 - December 1, 2025

Led the technical development of the company's software platform supporting its mobile services resale business. Designed and implemented a reseller portal integrated with AT&T APIs, enabling both direct and white-label access for downstream resellers. The platform provided a web interface as well as a custom API that allowed partners to automate provisioning and management of mobile data services. Defined the overall system architecture and infrastructure on AWS, designed all core databases, and led the implementation of multiple web applications using Ruby on Rails, React, and Node.js. Established CI/CD pipelines and engineering standards; managed AWS, Kubernetes, and DevOps practices.

Tech Lead, Integrations at Avenue One

April 1, 2021 - March 1, 2022

Led the integrations team responsible for connecting the company's internal platform with external partners and data providers supporting its residential real estate investment marketplace. Managed a team of 10 engineers and oversaw the design and implementation of the integration layer. Architected and developed a serverless, event-driven platform on AWS using Lambda, SQS, SNS, EventBridge, and Step Functions to coordinate business workflows and automate data exchange with approximately ten external systems.

Principal Software Engineer at Focal Point

June 1, 2020 - May 1, 2021

Contracted to help build the MVP of the company's procurement platform, translating product vision into a functional system. Led a small development team to design and implement backend with Ruby on Rails and PostgreSQL, deploying on AWS while the frontend was built in React.

Principal Software Engineer at Foundry Local

August 1, 2018 - November 1, 2020

Joined to modernize the marketing and CMS platform used by hundreds of franchise locations. Led a small team across backend and frontend, maintaining a legacy ASP.NET framework while gradually introducing Node.js and React components and managing AWS deployments and infrastructure.

Tech Lead at Crown & Caliber

August 1, 2017 - July 1, 2018

Worked on the e-commerce platform for a luxury watches marketplace, developing core Rails-based backend, integrating with Shopify and external inventory, sales, and logistics services. PostgreSQL database, deployed on Heroku.

Senior Software Engineer at Kanga

August 1, 2016 - July 1, 2017

Delivered the delivery management platform; Rails backend with PostgreSQL, supporting mobile apps for drivers and customers; implemented major retailer integrations including Best Buy.

Senior Software Engineer at Continuum Financial Services

October 1, 2015 - September 1, 2016

Built a self-directed Medicaid platform; Rails with PostgreSQL on AWS; collaborated with business stakeholders to translate complex workflows into software.

Senior Software Engineer at InComm Payments

February 1, 2014 - September 1, 2015

Built internal sales tools with Ruby on Rails and React; leveraged AWS services (S3, API Gateway, Lambda) and implemented a Google Maps tile server to visualize merchant locations; enhanced reporting pipelines.

Co-Founder & CTO at Adility Inc.

June 1, 2009 - October 1, 2012

Led technical direction, DevOps, and product development for a SaaS advertising platform; managed pivots and growth; oversaw a team of developers and integrations with POS systems.

Co-Founder at Railsware

June 1, 2009 - December 1, 2011

Co-founded Railsware, contributed to client Rails-based projects, and helped grow the Kyiv-based software consultancy.

Co-Founder & CEO at Adility

December 1, 2006 - May 1, 2009

Co-founded and led the first Rails shop in Ukraine, overseeing product delivery, client engagement, and team growth; projects included web/mobile applications and POS integrations.

Software Developer → Engineering Manager at Various (Early Career)

September 1, 1996 - November 1, 2006

Progressed from freelance developer to engineering manager across multiple companies, delivering enterprise systems in Java, Oracle, Delphi, and C#; gained experience across CMS, government, and transport domains.