Vasiliy Konstantinov

Deleveloping services of HR platform Pulse. Pulse is the HR cycle automatization platform (recruitment-selection-adaptation-evaluation-training-career). As a backend developer I was responsible for insights and goals services. Results: developed and released a insights fabric - service for production ui widgets with advices and important information for managers and employees based on big data and AI.

Developing core modules of bank credit system for client companies. As a backend developer I was resposible for developing core functionality of scoring module. Results: released the MVP - the core of loan applications processing, modules of scoring rules, anti-fraud modules and minimal administration panel Tech stack: Java 8/11, Jakarta EE, JPA, Infinispan, Spring StateMachine, Eclipse MicroProfile, Wildfly, ArtemisMQ, Kafka, PostgreSQL

Developing and supporting of a high loaded legacy payroll system of state importance, revision according to law requirements, payroll module for Russian Railways (JSCo RZD), module for interaction with the PCI DSS card tokenizer and experimental comission module. Results: released new features to support JSCo RZD salary payments registers (about 1 000 000 employees were able to receive salary by our solution), one-time enrollments moved to PSS DSS with new event sourcing architecture

Development and support of an exchange project for a customer bank. Mostly used technologies: Java 8, JBoss Fuse, Apache Camel, Oracle, PL/SQL

Development of a unified analytical, information and report system for accounting department. Development of ED message processing module of payment system.Development and maintenance of national payment system Results: legacy applications for accounting departments moved to new technical stack, released new message processing center of national payments system with new format of messages (moved out from SWIFT format)