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OTAKOYI

Oleksandr K. logo

Oleksandr K.

Available now

Senior Java Developer @ OTAKOYI

Senior
Seniority
GMT+01:00, Kyiv , Ukraine
Location & Timezone
$75 - $80/hr
Average Hourly Rate
Ukrainian, English
Languages

Top skills

Java
Spring
Hibernate
PostgreSQL
MongoDB

About

Oleksandr has 13 years of experience and he is a skilled Senior Software Engineer with expertise in Java (11/17), Spring Boot, and Spring Cloud, specializing in building scalable microservices. Experienced in DevOps, he works with Docker, Kubernetes, Helm, Jenkins, and AWS to streamline deployments. His expertise in Kafka, RabbitMQ, and multithreading supports high-performance systems, while his use of JUnit and Mockito ensures code quality.

Top skills

Verified by Pangea.ai due diligence

Top SkillsCurrent UsageSeniority
Java
62%9 years
Spring
15%7 years
Hibernate
8%6 years
PostgreSQL
6%5 years
MongoDB
9%5 years

All skills

Roles and tools, to bring ideas to life and create meaningful experiences

Enterprise Software
SaaS
Blockchain & Crypto
Data Analytics and Visualization

Professional experience

Explore a curated selection of projects highlighting Oleksandr K.'s expertise and experience. Each project aims to showcase challenges, solutions, and the final outcome, along with the tools and technologies used.

Engel & Völkers
REAL ESTATE APP — Senior Java Developer
Engel & Völkers is a company that develops a real-estate app to provide their clients with real estates, properties, yachts and boats.
Java
Hibernate
Spring

ADIDAS
PLM SYSTEM (AGGREGATION LAKE) — Senior Java Developer
The sub-project of the whole PLM system consists of many steps of attributes aggregation, enriching and further processing which includes reporting, auditing for future article prototype creation resulting in mass production of such articles. The system is based on microservices architecture.
Java
Spring
Hibernate

GREENSILL
GREENSILL — Java engineer
Fintech supply-chain project.
Java
Spring
Hibernate

Preferred tools

View the preferred tools and apps used by Oleksandr K. to assess compatibility and alignment.

Airtable
Airtable
Git
Git
Github
Github
Gitlab
Gitlab
ClickUp
ClickUp
Google Drive
Google Drive

Career highlights

Discover Oleksandr K.’s professional journey, including employment history, certifications, and educational background.

Senior Software Engineer
Engel & Völkers2023 - pressent
Developing real-estate app using Java, Spring Framework, Hibernate, and SQL. Supporting migration project, developing new features, investigating and resolving incidents, and solution design.
Senior Software Engineer
Adidas, PLM System (Aggregation Lake)2021 - 2023
Working on attributes aggregation, enriching, and processing in a microservices architecture. Introduced new services, optimized load performance, participated in hiring process, and improved PostgreSQL querying strategy.
Software Engineer
Greensill2019 - 2021
Working on a fintech supply-chain project. Improved REST API design, introduced end-to-end integration tests, and supported microservice architecture.

Testimonials

Jason .

ADIDAS

Verified Testimonial

Working with him has been a game-changer for our architecture. He consistently delivers elegant, scalable solutions under tight deadlines. His ability to simplify complex problems is second to none.

Cloe J.

GREENSILL

Verified Testimonial

2. He sets a technical standard that others naturally follow. From code quality to system design, his judgment is always spot on. I trust him with our most critical projects.

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