Architecting, developing & maintaining backend services of Yellowpay - the fintech platform for construction and solar industry.

Architecting, developing & maintaining Yellowsack - the only comprehensive platform on the market for automating waste removal and providing customers which quick and easy tools for getting rid of their construction & demolition debris. Designed and developed all aspects of the system: * shopping site* customer profile and statistics* automated recycle process (including APIs for GreenWaste Zanker Resource Recovery Facility)* drivers coordination (including Java and iOS applications)* sales CRM functionality* integrations with Stripe, Slack, Apple Push Service, Amazon Incentives, Flowspace, Sendgrid, Twilio and others* sales tax calculation* administrative functionality for logistics, vehicles, teams, regions, financials and stock management* comprehensive reporting. Performed technical recruiting and interviews which resulted in successful hiring. Mentored team of 3 developers: code reviews, performance reviews and knowledge sharing.

Developed & maintained Norwegian market-leading platform for connecting event organizers with their dream venues, introduced TDD to the team, created and maintained an open-source failure handling library https://github.com/fmnoise/flow

Developed & maintained Attendify - the most flexible, scalable and affordable platform on the market for creating/managing/marketing an event, implemented event audience analysis engine, ticketing engine, Salesforce integration and reporting tools, participated in technical design meetings and discussions with product owners.

Developed learning management system platform called Fusion. Designed and implemented 1-1 meetings, formal learning functionality, Twilio chat integration and reporting engine. Participated in technical design and migrating of the whole platform from monolithic app to microservice architecture. Built custom integrations and data transfer tooling for company biggest customers. Created open source library https://github.com/fmnoise/arin for checking application model integrity. Mentored a team of 5 people including technical design and code reviews, performance reviews and learning recommendations.

Performed outsource software development and consulting for company customers, technical interviews, managing team of 3-5 developers, performance reviews, application design and technical coaching.

Database design and application development of specialized accounting software. Developed various intranet applications for head office including Cash flow, HR process automation, Document flow, Corporate car sharing. Participated in transition from Waterfall to Scrum development process. Performed training, consulting and support for sales teams in various company branches across Ukraine. After company acquiring by Ukrainian Automobile Corporation (UrkAVTO), joined parent company development team in development of the ERP system and reporting tools integration.

Performed custom software development, accounting automation, IT consulting for various clients in insurance, education, food retail, ventilation systems maintenance and vehicle service industries

Participated in database design and application development of custom insurance accounting software, performed consulting and training for sales and accounting teams.

Maintained network infrastructure in sales office and warehouse (~20 employees) including Win2k server (remote desktop), Lotus Domino, FTP, web server, custom sales and warehouse software.

Teached Computer Science Basics (5-9 grades) and Computer Science (10-11 grades). Developed custom intranet chat web application, created interactive tutorial and assessments app using Adobe Captivate, adapted programming lessons from Turbo Pascal to Python, developed custom educational materials covering Linux and open source software (GIMP, Inkscape, Open Office).