Serhii Chervonyi
Senior Software Engineer @Argentex Group Plc
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WORK HISTORY
Senior Software Engineer @Argentex Group Plc
London, GB
Developed a high-load neobank with a focus on FX- Implemented Numeral integration for sending and receiving payments- Unified authentication across microservices using Auth0 and Microsoft Entra ID, with token validation and claims-based access control- Led design and refactoring of the FinTech reporting module using Domain-Driven Design reducing average report time from 50 minutes to 2 minutes and enabling near real-time insights for traders. Reverse engineering and requirements discovery were part of the work. Also, CI/CD was built for the microservice- Implemented an uplift commission rate feature. A sale base rate goes up if they achieve various configured criteria. Implemented flexible configuration for setting sales targets
EDUCATION
Dnipropetrovs'kij Nacional'nij Universitet
Master's degree, Mathematics
Dnipropetrovs'kij Nacional'nij Universitet
Bachelor's degree, Mathematics
ABOUT SERHII CHERVONYI
Senior Software Engineer at Argentex Group PLC with over two years of experience driving innovation in high-load FinTech systems. Focused on delivering scalable solutions, the team implemented a high-performance neobank with FX expertise, integrated Numeral for seamless payments, and streamlined authentication using Auth0 and Microsoft Entra ID. Improved reporting efficiency through Domain-Driven Design, reducing processing time from 50 minutes to 2 minutes, providing traders near real-time insights. Previously led and modernized cloud-native architectures as Team Lead at Orbus Software, enabling modular scalability and boosting system performance metrics. Adept at building distributed teams, enhancing user experiences with data-driven decisions, and implementing advanced patterns like CQRS and Event Sourcing. Committed to creating solutions that empower organizations with robust, efficient, and maintainable systems.
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