![OB](https://d2abrqas732254.cloudfront.net/images/specialists/b5d2fdcd789a712197691884ea0d4a434dfec8e0.png)
English:
Advanced
Oleksandr B.
Vetted by YouTeam
Ukraine
UTC +02:00
Ukraine/Kyiv
English:
Advanced
Java developer/Tech lead/Application Architect
A Java professional with more than 15 years of experience as a developer, technical lead, and application architect in both outsourcing and product companies. Some of the latest achievements: x15 times improved performance for the smart lock electronic keys service, multiple successful migrations (Java 17, Spring Boot 2.6 etc), significantly improved and sped up the build process, developed infrastructure for better testing (domain, query and performance). Team player, hard worker, target oriented.
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Check if Oleksandr is availableExpertise
Years of commercial development experience
22 years of experience
Core technologies
Other technologies
Project Highlights
Bekey
Apr `19 - Present
5 years
Bekey is a provider of digital access solutions that can, among other things, give parcel post, home care, newspaper delivery and selected distributors easy and secure access to stairs in apartment buildings. This is how Bekey works The system works via a secure, digital platform, from which encrypted digital keys are automatically assigned to approved business partners with an errand in the corridor in question. Installing the chip The solution is installed with a non-visible chip in the entrance's existing door phone system in a few minutes. The residents continue to use their own keys for the entrance and Bekey does not give access to the residents' apartments. Installation and maintenance of the Bekey solution is free for both the residents and the property.
Responsibilities & achievements
Development of new functionality for the existing product; optimizing performance of the services and database; tuning performance of database search and data intensive processing; improving project structure and better testing (unit, integration and database queries); integrations with the 3rd parties; keeping the project up-to-date with the latest technologies and dependencies.
Under NDA
Aug `15 - Jul `16
11 months
A global supply chain visibility, execution, and event management platform. It provides shippers, suppliers, and carriers with one place to see inbound, outbound, and third-party shipments across all carriers and modes, international and domestic, regardless of how or where those shipments are booked. This platform's complete offering of data and analytic tools works with a company's existing systems to allow deep insight into what is really happening across the entire supply chain. As a result, their clients can better synthesize and make sense of a large amount of data, tapping into hidden opportunities.
Responsibilities & achievements
Development of the parcel tracking service, integration with the 3rd parties.
Nets
Aug `13 - Mar `19
6 years
The European PayTech with scale, capabilities and proximity to provide the simplest, fastest and safest payment solutions to People, Businesses and Financial Institutions.
Responsibilities & achievements
Development of the payment platform which integrates with many payment service providers; implementing integrations with the 3rd parties; project structure improvements and refactorings; supervising novices.
Education
Higher education in Computer Science
Agency
100-400
GMT+2
Krakow/Poland, Dnipro/Ukraine
Core Expertise
Industries
Education & Science, Logistics & Transportation, Banking & Finance, Construction & Real estate, Healthcare & Medicine, Data Science & Machine Learning, Big Data, Automotive, SaaS, Point-of-Sale
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Check if Oleksandr is available