Nikita Nikitin

• Development of a microservice for preliminary verification of a client when contacting an insurance company. • Development of a subsystem for uploading bank data for reporting to a relevant regulatory authority. • Development of a microservice for hashing customer data (hundreds of millions of records). • Improvement of the system for preliminary caching of requests using Redis. • Development of a test framework for detailed and high-quality testing of the system. • Modification of the system for customers’ business requirements for the banking sector and insurance companies. • Bug fixes, system performance improvements. • Writing SQL scripts for supported databases — PostgreSQL and Oracle.

• Development of a subsystem for integration with an external employee management service via SOAP. Exploring and developing methods for integrating with the Confluence API. • Development of a module for working with sensors via the ZigBee protocol for the RaspberryPi3 microcomputer. Development of authorization methods through JWT and Auth0.com. Development of methods for sending raw data to the MQTT queue. • Development of a service for collecting and storing high-frequency (up to 100 kHz) time data, organizing a data warehouse based on HDF5 files. Development of a module for working with clients using gRPC. Development of a service for working with the gRPC service and HDF5 files in Python. • Development of methods for interacting with UI via WebSocket. Development of authorization and access control methods using SSL (HTTPS). Development of scripts for automated generation and installation of certificates using PowerShell. • Development of microservices for collecting, storing and searching raw data from smart watch sensors (GPS, BLE, HRM, etc.). Developing test infrastructure deployment scripts with Docker Compose. • Development of a service for running tasks on Amazon EMR. Developing data analysis tasks with using the Apache Spark. • Development of scripts for automatic infrastructure deployment on AWS for services with using Terraform and Ansible. Development of a module for working with HashiCorp Vault. Development of CI/CD pipelines for automatic launch of services deployment in GitLab.