Yevhen Borysov Email & Phone Number

New York, Ny, Us

United States

SaldoApps is a fully-integrated fintech ecosystem with single purpose apps connected to the all-in-one web solution and consists of the following modules: expense tracking based on bank transactions, budget planning, receipts recognition, milage tracking, invoice making with ability to receive payments.As a team lead, I was responsible for team management, planning, and product delivery. Also I conducted interviews and hired new team members in close collaboration with recruiters.As for technical matters, my responsibilities included: system design, documentation support, code reviews, coding/refactoring.My achievements:- Increased system throughput by an order of magnitude and overall reliability by implementing asynchronous transaction processing and batch operations (with bank transactions, receipts recognitions etc.).- Reduced the number of production incidents by more than 5 times by configuring the monitoring system and setting up proactive alerting.- Accelerated production incident resolution from days to minutes by enhancing the logging system.- Reduced the overall system complexity and increased reliability by redesigning the architecture and implementing patterns such as Event Sourcing, CQRS, Streaming, etc.- Audited and reduced expenses for the cloud infrastructure by 2.5 times by optimizing resource utilization. This also led to reduced cost of DevOps.- Improved communication in the team, established documentation support, and created a shared knowledge base.- Improved and simplified CI/CD and overall delivery process.Tech stack: Java 17, Spring, REST, gRPC, Kafka, Redis, MySQL, PostgreSQL, Kubernetes, DigitalOcean, Azure OCR, AWS.

Kyiv, Kyiv City, Ukraine

Vertice is a platform that helps manage and optimize SaaS and cloud spending in one single place. Apart from that, Vertice empowers companies to gain more visibility and control over their software and cloud expenses to deliver guaranteed cost savings.I was responsible for backend development. The main goal was to build the production-ready MVP from scratch in the most efficient way.- Increased scalability by migrating the backend from NodeJS to AWS Lambdas.- Improved user experience and security features by migrating from Auth0 to AWS-native solutions.- Decreased DevOps expenses and sped up development velocity by using the AWS stack.- Designed and developed Rest API.- Developed the core features of the system.Tech stack: Java, Javascript, AWS (Lambda, Cognito, API Gateway, S3, DynamoDB, RDS, CloudFormation).

Kyiv City, Ukraine

EGT provides an innovative complex cross-platform solution in the gambling industry across the world.As a software engineer lead, I built a new team in the Kyiv location from scratch. I was responsible for:- Hiring and coaching developers and QAs, organize the working and delivery processes, introducing scrum.- Managed a team of 5 members, ensuring a seamless communication with product managers, the CTO, and other teams in other locations (primarily in Bulgaria).- Developed the architecture of a new systems such as Cashier and Campaign manager.- Handling integrations and negotiations with products from third-party companies (game providers, payment systems).- Code review, refactoring, coding.- Decouple a legacy monolith (JavaEE) and migrate it to the micro-service architecture.- Introduce modern CI/CD techniques and tools.Tech stack: Java, Guice, Spring, MySQL, PostgreSQL, Docker, Kubernetes.

Project: Nordstrom.Developed micro-services for user authentication, authorization and profile management. Handled integrations with existing services. Designed, developed and documented the REST API.Tech stack: Java, Spring Boot, Docker, Kubernetes, AWS, ELK.

Kiev

As a Java software engineer I was involved in multiple projects: Loyalty System, Leaderboards solution, Campaign manager, Award System.- Developed a core system features in high-load environment.- Designed and developed a REST API for cloud services.- Developed a Web UI using Java and JS frameworks.- Performance testing and profiling.Tech stack: Java, Spring, Guice, Concurrency, MyBatis, MySQL, PostgreSQL, ElasticSearch, Redis, Kafka, ActiveMQ, JavaRX, RxJS, ReactJS, Tapestry, Docker.

- Developed a framework for automation testing (REST services, Kafka, Web UI).- Developed tools and complex scenarios for load testing.- Created and maintained the infrastructure to run automation tests and build test reports.- Wrote automation tests.- Created and supported project documentation.Tech stack: Java, Concurrency, Spring, Selenium Web Driver, Oracle, MySQL, Kafka, ActiveMQ.

Kiev

- Developed the framework for automation testing (ETL and Web UI).- Setup and maintained the infrastructure for testing the ETL pipelines.- Implemented automation tests.- Created test documentation.Tech stack: Java, Selenium, Oracle, SQL.

Kiev

- Developed the framework for automation testing.- Wrote automation tests.- Maintained the infrastructure for automation tests.- Assisted with a paperwork during release preparation.Tech stack: SilkTest, Sybase, Aqua Data Studio, Jira, TestTrack, Confluence, SVN.

Kiev

Developed the core of ERP/MRP system "IT Enterprise" using .NET and C#, FoxPro, MS SQL Server, Oracle.

Master Of Computer Applications (Mca), Informatics And Computer Science

Bachelor Of Applied Science (Basc), Informatics And Computer Science

Education record