Vladimir Sentsov - Java Developer

Skills

• AWS
• Cloud Formation Templates
• Docker
• DynamoDB
• Elastic Search
• Git
• Gitlab CI/CD
• Grafana
• Hibernate
• Java
• JUnit
• Kafka
• Kinesis Amazon
• Kubernetes
• Mockito
• MongoDB
• MS SQL
• OracleDB
• Postgres
• Prometheus
• Redis
• Spring Boot

Experience

Webb Fontain

Senior Java Developer - 09.2023/ 02.2024

Spearheaded the migration initiative, successfully transitioning core microservices to Java 21 and Spring Boot 3, ensuring compatibility with modern standards and enhancing system performance by leveraging the latest language features and framework optimizations.
Led the end-to-end development and deployment of a robust integration layer with a custom payment service, seamlessly connecting the vehicle registration and tracking system with external payment gateways, resulting in streamlined payment processing and improved user experience.
Implemented a highly scalable and fault-tolerant messaging system using Kafka, enabling real-time data streaming for tracking vehicle registrations and facilitating timely updates and notifications across the platform, enhancing overall system responsiveness and reliability.
Architected and deployed an efficient search functionality powered by Elastic Search, enabling users to quickly retrieve relevant information from large datasets, enhancing user productivity and search accuracy within the application.
Orchestrated the adoption of containerization and orchestration technologies like Docker and Kubernetes, optimizing deployment processes and infrastructure scalability while reducing operational overhead, resulting in improved system stability and resource utilization.

Xpoint LLC

Senior Java Developer - 12.2021/07.2024

Spearheaded the development and maintenance of a highly scalable and distributed geo-compliance system, enabling informed decision-making by regulatory requirements.
Designed and implemented cutting-edge, high-performance solutions using Java, Kotlin, and the Spring Framework within the Amazon Web Services (AWS) infrastructure, adhering to microservice principles.
Successfully optimized the code base by 10 percent, employing industry best practices and code refactoring techniques. This initiative enhanced system performance and maintainability, contributing to a more efficient development process.
Implemented the Open Search Service as a robust repository for storing and retrieving historical data. This initiative significantly improved data accessibility and analysis capabilities, providing a solid foundation for data-driven decision-making.
Led an infrastructure cost optimization initiative, achieving a 5 percent reduction in overall infrastructure expenses. Implemented efficient AWS services and resource allocation strategies, demonstrating a strong focus on cost-effectiveness and operational efficiency.

Reksoft

Middle Java Developer - 04.2020/12.2021

Seamlessly integrated multiple external systems with the accounting and resource distribution microservice system using SOAP, ensuring smooth data exchange and synchronization with various airport services and stakeholders.
Conducted comprehensive optimization of the database structure, significantly enhancing data retrieval performance and overall system efficiency, leading to faster response times and improved user experience.
Implemented advanced code optimization techniques, reducing redundant operations and enhancing the responsiveness of the system, resulting in more efficient resource utilization and lower maintenance overhead.
Successfully reduced critical service restart time from 40 seconds to just 2 seconds through meticulous performance tuning and system enhancements, ensuring minimal downtime and maximizing system availability for airport operations.
Played a key role in the adoption and implementation of cutting-edge technologies such as Kafka, Rabbit MQ, and GraphQL, contributing to the modernization of the microservice architecture and enhancing the scalability, resilience, and flexibility of the system to meet evolving airport requirements and industry standards.

VRP CONSALTING

MIDDLE FULL STACK DEVELOPER - 08.2019-04.2020

Orchestrated the seamless integration of Java, Spring Boot, and Hibernate technologies to deliver a customer-centric call center solution, resulting in streamlined customer interactions, notable improvements in response times, and a significant boost in overall customer satisfaction metrics.
Collaborated closely with customer teams to meticulously understand their unique requirements and pain points, translating them into robust technical solutions leveraging Salesforce platform capabilities, including Apex Language and Lightning Framework, thereby ensuring tailored and effective solutions aligned with specific business needs.
Actively engaged with stakeholders throughout the development lifecycle, gathering valuable feedback and driving iterative improvements to the service system, leading to continuous enhancements and agile adaptations that directly addressed evolving business priorities and customer expectations.
Spearheaded the development and implementation of innovative features and functionalities within the call center solution, leveraging Java, Spring Boot, and Salesforce technologies, to enhance operational efficiency, optimize resource utilization, and achieve remarkable performance gains, resulting in measurable business outcomes and cost savings.
Played a pivotal role in the successful delivery of a transformative solution, recognized for its ability to elevate the customer experience by providing intuitive user interfaces, personalized interactions, and seamless Omni channel support, thereby positioning the organization as a leader in customer-centric service delivery within the industry.

Egar Tecnology

MIDDLE FULL STACK DEVELOPER - 07.2017/08.2019

Successfully led the design and development of multiple end-to-end web applications, leveraging Java, Spring Framework, and Angular Framework, resulting in seamless user experiences and increased user engagement.
Implemented responsive and intuitive front-end interfaces using Angular Framework and Typescript, resulting in improved usability across various devices and screen sizes, leading to a measurable increase in user satisfaction and retention rates.
Built robust RESTful APIs with Spring Framework and integrated them seamlessly with front-end components, ensuring efficient communication between the back-end and front-end layers, resulting in a high-performance and scalable application architecture.
Collaborated closely with cross-functional teams to gather and analyze requirements, facilitating effective communication and alignment between stakeholders, and ensuring that the developed solutions met both technical and business objectives.
Played a key role in the successful integration of back-end and front-end functionalities, employing best practices such as MVC architecture, test-driven development (TDD), and continuous integration (CI), resulting in reliable and maintainable codebases, and enabling faster time-to-market for new features and updates.

AT-Consulting

Junior Java FullStack Developer - 08.2016/08.2019

Developed and maintained backend functionalities using Java and Spring Boot framework, ensuring robust and scalable solutions for various projects.
Implemented RESTful APIs to facilitate communication between the frontend and backend systems, improving overall application performance and user experience.
Collaborated with frontend developers to integrate dynamic user interfaces using jQuery, enhancing the interactivity and responsiveness of web applications.
Participated in Agile development methodologies, contributing to sprint planning, daily stand-ups, and retrospective meetings to ensure timely delivery of project milestones.

Education

Electrical engineering and electric drive systems

VSTU

2007-2013

About me