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Schedule Interview NowMy name is Oleksandr S. and I have over 12 years of experience in the tech industry. I specialize in the following technologies: Java, Spring Boot, Spring Security, Hibernate, Apache Cassandra, etc.. I hold a degree in Master of Computer Applications (MCA). Some of the notable projects I’ve worked on include: Wine Lister - consulting to the Fine Wines, RogerHR - CRM platform for HRs, Couture - Japanese strtp. in Marketing, Myo, Wordberry HTML5 game, etc.. I am based in Kyiv, Ukraine. I've successfully completed 8 projects while developing at Softaims.
I thrive on project diversity, possessing the adaptability to seamlessly transition between different technical stacks, industries, and team structures. This wide-ranging experience allows me to bring unique perspectives and proven solutions from one domain to another, significantly enhancing the problem-solving process.
I quickly become proficient in new technologies as required, focusing on delivering immediate, high-quality value. At Softaims, I leverage this adaptability to ensure project continuity and success, regardless of the evolving technical landscape.
My work philosophy centers on being a resilient and resourceful team member. I prioritize finding pragmatic, scalable solutions that not only meet the current needs but also provide a flexible foundation for future development and changes.
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Wine Lister is a British company in Retail Consulting/Scoring domain Developed both backend and frontend, creating complex data pipelines and reports. Integrated external data sources and built an automated report generation component, reducing report preparation time by up to 70%. Implemented social network scraping and analysis to enrich report content. Technologies: Java, Play Framework, EBean ORM, Spring Boot, Hibernate, AWS RDS EC2 SNS Bedrock ECS, Lambda, S3, MariaDB, PostgreSQL, Stripe, JavaScript, Vue.js, Highcharts
RogerHR (https://www.rogerhr.ch ) – is Swiss CRM platform for HRs. Developed a comprehensive HR platform for the Swiss market, overseeing solution design, backend and frontend development, and AWS infrastructure setup. Technologies: Multithreading & concurrency, Spring Boot, Spring Data, Spring Security, JWT, JPA, Hibernate, REST, SOAP, AWS ECS, RDS, SNS, SQS, Lambda, S3 Beanstalk, Docker, React, JavaScript
CTR is an enterprise grade solution for data analysis in Social Media which consists of 4 separate applications: 1) scalable analytics software + API 2) web-application for customers 3) cross-platform mobile application for executants 4) admin web-application All components were build from scratch by me as well as CI/CD & infrastructure Technologies: 1) Backend: Java, Spring Boot, Spring Security, JPA, Hibernate, JDBC, REST, Ehcahce, Akka, Cassandra, Hazelcast, Solr, Stanford-NLP 2) Frontend: Angular, Ionic, HTML5 3) Infrastructure: Docker, AWS ECS, RDS, SNS, SQS, Lambda, S3
Management System for nursing homes. 2) I've implemented both backend and frontend, backend with Kotlin + Spring Boot/JPA/Hibernate, frontend with TypeScript + Angular 6/RxJS. I've also implemented smart i18n in Angular app as well as sophisticated security features with Spring Security. This application was deployed using docker-compose, SSL was provided by Let's Encrypt service. Technologies: Spring Boot, Spring Security, Spring Data, JPA, AWS RDS, S3, ECS, Lambda, SNS, SQS, REST, PostgreSQL, SQL, Multithreading / Concurrency, SOAP, Swagger, OpenAPI, AspectJ, JavaScript, HTML, CSS, Maven
This is a *complex project* which included: 1) Backend + DB development 2) Frontend with HTML5 development 3) Graphical design - designers were found and hired as subcontractors 4) Integration with FB 5) Infra, CI/CD Goals: develop highload and scalable Scrabble game implementation using HTML5 and Java for Facebook Details: Both backend and frontend were developed. On backend Java + SpringMVC + Hazelcast + PostgreSQL were used.
Master of Computer Applications (MCA) in Information Security
2007-01-01-2013-01-01