# Vladyslav Hravchenko > Senior Software Engineer at Shopmonkey Inc. | Golang | JavaScript Location: Los Angeles Metropolitan Area, United States Profile: https://flows.cv/vladyslavhravchenko Software Engineer with 7+ years of experience. Skilled in Go, Java, JS. Specializing in backend development, microservices architecture, and performance optimization. Proven experience in designing scalable systems, improving service efficiency, and leading cross-team collaborations. ## Work Experience ### Senior Software Engineer @ Shopmonkey Jan 2024 – Present | Austin, Texas, United States ### Senior Software Engineer @ Gett Jan 2023 – Jan 2024 | London Area, United Kingdom Led feature development across multiple teams and services, promoting the use of High-Level Design diagrams and a contract-first approach to accelerate the delivery of high-quality features. Designed and implemented a centralized locations service, streamlining address auto-completion and georeverse functionality across microservices, significantly enhancing operational efficiency. Drastically improved performance of a core (L5) service, reducing endpoint execution time by 50% through query analysis and the implementation of additional indexes. Identified and resolved bottlenecks in critical services using New Relic metrics, implementing robust load monitoring and auto-scaling mechanisms to prevent production incidents. ### Senior Java Software Engineer @ SoftServe Jan 2021 – Jan 2023 | Warsaw, Mazowieckie, Poland Performed an in-depth analysis of Neo4j database performance, leveraging internal tools and Neo4j business customer support. Optimized database computation speed to ensure seamless integration of various internal banking services, enhancing overall system efficiency and performance. Implemented a tree traversal algorithm to efficiently identify differences between elements and facilitate streamlined updates within a single transaction. This enhancement improved data manipulation processes, increasing system reliability and transactional integrity. Led the migration to a hexagonal architecture design, creating a modular and extensible codebase. Leveraged Dependency Injection (DI) for improved component reuse and extension. This transition enhanced code maintainability, scalability, and alignment with best practices for software design. ### Java Software Engineer @ Comarch Jan 2019 – Jan 2021 | Warsaw, Mazowieckie, Poland Led the research and development of a cutting-edge microservices tech stack, establishing a reusable template for future projects. Integrated Kafka for real-time data streaming and processing, enhancing system agility and scalability. Incorporated Elasticsearch to enable efficient and scalable search functionality, ensuring optimal performance. Implemented Single Sign-On (SSO) authentication using Keycloak, ensuring secure and seamless access for users across multiple services. Integrated role management functionalities to effectively control user permissions and access levels. Championed the adoption of contract-first development using OpenAPI/Swagger, significantly reducing boilerplate code, accelerating development time, and enabling non-blocking development across multiple teams by providing a clear and standardized API contract. ### Javascript Engineer @ Comarch Jan 2018 – Jan 2018 | Warsaw, Masovian District, Poland Developed robust validation mechanisms for a Function as a Service (FaaS) platform, ensuring data quality and API stability for end-users. This initiative enhanced reliability and usability, delivering a seamless experience while maintaining platform integrity. ### Junior Software Engineer @ KAI Jan 2018 – Jan 2018 | Kyiv, Kyiv City, Ukraine Developed a comprehensive IoT-based platform for analyzing bee life, overseeing the entire process from inception to implementation. Designed the application architecture in collaboration with the company’s CTO. Implemented custom filtering functionality to enhance data analysis, enabling the generation of quarterly and annual reports on beehive conditions. This initiative provided deeper insights into bee life patterns, supporting informed decision-making for beekeeping operations. Integrated Lyft, Uber, and Yellow Cab to analyze taxi pricing. Designed an abstraction/interface to streamline the integration of additional taxi services, ensuring seamless expansion without disrupting the existing codebase. This approach enhanced scalability and flexibility, allowing for effortless addition of new integrations as business needs evolved. ## Education ### Engineer's degree in Computer Science Polish-Japanese Academy of Information Technology Jan 2016 – Jan 2020 ### Engineer's degree in Hotel, Motel, and Restaurant Management College of Economics and Management at Kryvyi Rih Jan 2012 – Jan 2016 ## Contact & Social - LinkedIn: https://linkedin.com/in/mrvladimort - Website: https://instagram.com/mrvladimort --- Source: https://flows.cv/vladyslavhravchenko JSON Resume: https://flows.cv/vladyslavhravchenko/resume.json Last updated: 2026-03-22