JavaScript
JavaScript
Wollow is a senior level JavaScript development company providing end-to-end JS development services. Hire our JavaScript developers for your web and app development software.
BGRazpisanie.com – Bulgaria’s Leading Public Transport Schedule Platform
Access real-time schedules for 250+ bus companies, BDZ trains, and over 1,500 stations. A Wollow-owned platform with 20M+ users and over 90,000 external links. Strategic acquisition interest from international groups.
Logo Design
Branding
Graphic Design
jQuery
Software
JavaScript
DevOps
Node.JS
Responsive Design
UI/UX Design
Ruby on Rails
RESTful API
Payment System Integration
Government and Public
Travel and Hospitality
eCommerce
BGRazpisanie.com – Bulgaria’s Leading Public Transport Schedule Platform
CashInn Android App – Earn with Games, Apps & Referrals
We developed CashInn for Android – a gamified micro-earning app for the Thai market with real cash rewards, referral bonuses, and PayPal payouts.
Predictions and Betting
JavaScript
Android OS
DevOps
Responsive Design
UI/UX Design
Ruby on Rails
RESTful API
Netherlands
CashInn Android App – Earn with Games, Apps & Referrals
Building microservices for a pharmaceutical company
Specialized microservices for connecting their warehouse management software(WMS) with the WMS of three pharmaceutical companies: Sting Pharma, Sopharma, and Phoenix Pharma.
Software
JavaScript
DevOps
Software-as-a-Service
Ruby on Rails
RESTful API
Mhealth Apps
Healthcare
Custom software
WMS Software
Building microservices for a pharmaceutical company
Spays.me – Micropayment Platform for Digital Creators
Launched in 2010, Spays.me was a Ruby on Rails-based micropayment system for donations and digital content — the origin project behind Wollow’s creation.
Software
SRS Documentation
JavaScript
DevOps
UI/UX Design
Ruby on Rails
RESTful API
Payment System Integration
Government and Public
Netherlands
Spays.me – Micropayment Platform for Digital Creators
Custom Car Leasing & Sales Software
This platform manages the full vehicle lifecycle – from acquisition to sale – and includes advanced leasing logic, automated contract generation, financial tracking, and compliance features.
jQuery
Software
JavaScript
Responsive Design
UI/UX Design
Ruby on Rails
Custom software
WMS Software
Custom Car Leasing & Sales Software
Travel Agency Software with Hotel API Integrations
We build high-performance tourism platforms with Booking, Grabo, and Google Maps APIs. Custom hotel ranking software, affiliate-ready and fully optimized for mobile.
Software
Web
SEO
JavaScript
Responsive Design
Ruby on Rails
RESTful API
Travel and Hospitality
Custom software
Travel Agency Software with Hotel API Integrations
Slot Machine Game Module for Gaming Platform Esportmate
We developed a secure, dynamic slot machine module for Swedish gaming portal Esportmate, featuring admin-controlled reward logic and gamified UX.
Software
Predictions and Betting
JavaScript
DevOps
UI/UX Design
React JS
Cloud computing
RESTful API
Netherlands
United States
Slot Machine Game Module for Gaming Platform Esportmate
Case Study: Rescuing a High-Stakes Aviation Trading Platform
Learn how Wollow rescued a complex aviation trading platform by auditing legacy code, fixing critical bugs, and optimizing B2B workflows. Expert third-party code development.
Case Study: Rescuing a High-Stakes Aviation Trading Platform