Ivan Levkin

I implement architectural decisions and full-stack development of payment's products for government and business partners of bank. These solutions include mobile and web versions, which are based on follow technologies Java 8, Spring, React JS. One of the product was noted by Global Financials Reward as the innovative solution. The second role of my working position connected with building of team, hiring talents and inspiration of my colleagues to implement the best products for our clients.

Participation as a programmer in development of IT-system is based on the main enterprises technologies such as Oracle ADF and Oracle EBS for the hundred of customers. Solving of the tasks are connected with performance tuning of the distributed system, giving the recommendations by this questions to the customers. Consulting of co-workers by questions connected with the performance of DB, SQL and PL/SQL code. Solving the critical issues in work of application

The development of web project is based on Angular JS + Spring technologies. Server side development. Designing database architecture. Refactoring of critical parts of application. Performance tuning databases. Technologies: Oracle 11g, PL/SQL, XML. Solving of the tasks are connected with performance tuning of high-charged system. Consulting of the staffs of the bank by questions connected with performance PL/SQL code. Solving the critical problems in work of oracle db on environment of the bank.

Component architecture Data modeling. Feature development Lead a team of 2 software developers and 2 testers Technologies: Oracle 11g, PL/SQL, SQL, JavaScript. Achievements: Developing of new modules of the revenue management system, bug fix of allocated modules to agree time, quality and cost.

Responsibilities: Data modeling. Creation infrastructure for migration data Performance tuning Technologies: Oracle databases, J2EE. Achievements: Design of the migration infrastructure, creation of middle-level data structure from old application to new platform. Improving of the time of download previous data.

Design and management of creating new system for time table Integrating with legacy system Architecture design of components interaction Creating of system monitor and configuration web application. Technologies:.NET Framework, MS SQLServer 2005 Achievements: Legacy reports configuration by annotation. A lot of legacy code has been reduced by architecture improvements Introduce grails framework to improve development speed

Assign tasks to developers. Departments communications. Architecture improvements. Data modeling. Documenting changes in business logic. Technologies: Java 1.5, MS SQLServer 2000 Achievements: Successful launch of the service

Responsibilities: Implementing local tasks. Bugfix. Mentoring junior developers. Tools and technologies: Oracle 8i, Oracle 9i, Toad. Achievements: Migration software from Oracle 8i to Oracle 9i. DB performance tuning. Gained 50 times increase in performance of report generation