01/27/2024 updated

**** ******** ****
100 % available

Java | Spring | SQL | Docker | AWS | Microservices

Warsaw, Poland
Worldwide
Warsaw, Poland
Worldwide

Profile attachments

Senior Java Developer. Eugene Ivanov.pdf

Java (Programming Language)JavaScriptApplication Programming Interfaces (APIs)Business RequirementsCommunicationDatabase DesignElasticsearchSpring FrameworkJUnitPython (Programming Language)Apache MavenMySQLNode.jsSQL DatabasesWeb ServicesAWS LambdaDecommissioningServerless ComputingDockerMicroservices
  • 9 years of hands-on experience
  • worked with different domains and helped my customers to grow or decommission their digital parts
  • work on software components design, database design, and document software to provide API, integrations, and software according to business needs
  • the main stack is Java, Spring Framework, JUnit, Maven, MySQL, and Docker
  • have some background with Python, JavaScript, Nodejs, serverless development based on Serverless framework and AWS Lambda
  • experienced with the team extension model
  • R&D, project breakdown, ETA, pair/mob programming
  • Competent in daily communication and collaboration via tools such as Slack, Zoom, etc.

Experience

Professional experience5 - 10 years
Freelancer since2015

Languages

EnglishFluent

Project history

Java Consultant

Internet & IT

Senior Software Developer

Internet & IT

Search Consultant

Goods & Retail

Key Contributions:
• Collaborated with customers and a search architect to understand business needs and investigate search metrics
• Developed search solutions for retail customers with limited time and data, and often unclear requirements
• Implemented functionality such as typeahead search, rich suggestions, relevance improvement, re-platforming from a proprietary search engine to open source one, facets, voice search, "cheap/expensive" search, etc

Achievements:
• Improved relevance of search results, leading to better product discovery for customers
• Successfully replaced proprietary software with open-source, saving the company a significant amount of money

Skills: Java · Python · SolrJ · Elasticsearch · JUnit · Gradle · Google Cloud Platform (GCP) · Docker · REST APIs · Spring Framework · Apache Solr

Java Developer

Internet & IT

Key Contributions:
• Conducted daily research and communicated with management to present ideas for improving the tool
• Identified a new approach to processing data, allowing the tool to finish calculating data for all employees
• Investigated the codebase to find and fix bad places that could have leaked memory, dangling reference, unwell algorithms, or data structures
• Added new endpoints to the software to provide necessary data for building dashboards

Achievements:
• Found a way to improve the performance of the tool, changing the algorithm of the program so that it could process any request for all employees
• Successfully eliminated out-of-memory errors, improving the stability and reliability of the tool

Skills: Java · Flyway · Amazon Web Services (AWS) · Git · JProfiler · JUnit · Docker · Jenkins · REST APIs · MySQL · Spring Framework

Software Engineer

Other

Key Contributions:
• Collaborated with a team of developers, QA analysts, and a project manager to maintain and enhance a large legacy system for a global logistics company
• Maintain, develop, and refactor a large, legacy system
• Successfully refactored specific parts of the codebase and improved the front end to support modern approaches, resulting in faster website performance and the creation of new features
• Contributed to the successful merger of two companies by providing development support and necessary integrations

Achievements:
• Rebranded web pages to align with the style-guide book of the parent company and integrated necessary parts of code with the parent's systems
• Refactored the JSF pages and optimized the website pages for faster load times

Full Stack Java Developer

Internet & IT

Certificates

DevOps Foundations: Continuous Delivery/Continuous Integration

LinkedIn Learning

2022

Java Memory Management

LinkedIn

2022

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