PHP Back-end Developer

GOST (Dec 2024 - June 2025)

About the Project

GOST is a Ukrainian e-commerce platform for building materials with region-specific pricing and stock management. Since delivery costs vary greatly depending on the factory’s location, GOST allows factories and distributors to list products with accurate regional availability and prices. Products are stored in GOST warehouses, and the platform handles order fulfillment. The service targets individual builders and construction companies, offering an efficient and transparent supply chain for building materials across Ukraine.

• E-commerce
• Construction

Responsibilities

- Led back-end development of the project from scratch as the main PHP developer in a small cross-functional team; - Worked closely with the system architect to implement a custom DB schema and designed scalable, region-aware logic for product pricing and stock management; - Built core modules including warehouse integration (Nova Poshta), order fulfillment, payment (LiqPay), and user roles for factories, distributors, and buyers; - Coordinated with a part-time developer for support tasks and collaborated with a front-end team of three to ensure smooth API integration; - Played a key role in launching a functional MVP tailored to the Ukrainian construction market.

CreditOnline (Sep 2023 — Sep 2024)

About the Project

Loan management SaaS in EU.

• Fintech
• Banking
• Credit and Lending

Responsibilities

Working on new features for the SaaS platform, bug fixes, etc.

JetCamp (May 2021 — Sep 2023)

About the Project

The site is an aggregator of campsites from different EU booking suppliers (such as Booking.com, AirBnb.com, Ctoutvert etc.)

• Tourism
• Travel

Responsibilities

Managing and working remotely with direct team of 6 people, building aggregation logic, optimizing search speed, aggregation speed, "in-site" booking logic via API (REST, SOAP). It helps to improve customer's UX, so he don't need to be redirected to booking supplier, and can go trough the whole flow of booking directly on JetCamp site

Vilpra LT (June 2021 — June 2023)

About the Project

UAB "Vilpra" is one of the largest companies in Lithuania

• E-commerce

Responsibilities

System built on Sylius. Created a lof of features which sylius does not support, such as products importing from third-party storage service. Lots of overriding Sylius for customer need, written custom plugin for maintance. Migrated project to another server using Docker and Gitlab CI. Search optimization, bugfixes

G-Keep (Oct 2019 — July 2021)

About the Project

The cost of fuel and the lack of accuracy in vehicles prevent fleet managers from having accurate and optimised visibility of this load. G-KEEP is first and foremost a connected assistant to track the fuel in the tank. We provide the user with proof that every litre of fuel purchased is a litre of fuel efficiently consumed. If this is not the case, we give him the tools to apply the necessary corrections.

• Transportation
• Machine Learning
• Automotive

Responsibilities

Working on general logic of Admin Panel for customers, with displaying all info about vehicles, sending notification for critical statuses etc. Developed microsevice decoder for UDP signal from hardware V3, which sends hashed info about speed/fuel level/coords etc of vehicle every couple of seconds. Worked on queue for comunication between microservices.

Hub4Potential (Nov 2019 — Dec 2020)

About the Project

Hub4Potential - it is E-Learn system for companies and employees, which is pointed to improve employees skills based on their job title, skills and desires.

• Healthcare
• HealthTech

Responsibilities

Working on flow of tests and quizes for lerners, logic for teachers to manage lessons, courses, confirming or not tests grades of lerners. Logic for generating courses list for lerners based on their current and target skills.

FlowBuilder (Nov 2017 — Oct 2020)

About the Project

Flowbuilder - it's the project for Lead Generation. Affiliates are sending traffic to our langing pages, where we collect information about people using quizes (questions are dynamic and based on previous answers + user info like age gender), then sending collected info to admin panel service, where they're saving to main DB, filtering for different marketing campaigns and distributing to third party service to sell them.

• Marketing
• Advertising

Responsibilities

Working on logic for leads collecting, distribution, filtration etc. Working on landing pages builder, quizes builder, optimization for distribution process and queues. Generating reports on different parameters such as PPL (price per lead), RPL (revenue per lead), clicks, conversions.