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Timofey Kogan

@timofeykogan

I build Java platform and backend systems, modernizing legacy integrations, databases, development environments, and testing workflows.

Russian Federation

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What I'm looking for

I'm looking for a product team using a modern stack, with less inherited code to maintain and more new technical problems to solve.

At Diasoft, I led a high-risk core-module migration from a legacy system to a new database, reverse-engineering undocumented logic and moving data and logic in stages.

I rebuilt development and testing practices for the infrastructure team, set up development environments from scratch, and worked with analysts to make delivery more predictable. I also mentored junior developers through code reviews, feedback, and hands-on task walkthroughs.

At BFT and BSSG, I built Java backends and Angular frontends for system integration, automation, and IBM MDM products. My work included a bidirectional test-automation converter, transactionality improvements, custom reporting, and visual UI testing with Python and ChromeDriver.

I've also developed Java services and APIs for mobile and web applications at WeKast, designing relational and MongoDB storage and integrating third-party REST services. I'm looking to apply my experience with Java, Spring, infrastructure, and complex integrations to a modern product team solving new problems.

Experience

Work history, roles, and key accomplishments

Senior Software Engineer

Diasoft

Sep 2023 - Feb 2026 (2 years 5 months)

Ran migration of a core module from a legacy system to a new database, reverse-engineering undocumented logic and moving data in stages. Adapted development processes, set up tooling, reworked testing, and mentored junior developers.

Java Spring Framework Hibernate PostgreSQL MySQL MongoDB SQL Docker Kubernetes CI CD Git Linux BASH Jira Testing Automation Python Legacy System Migration Reverse Engineering

Full Stack Developer (Java / Angular)

BFT

Mar 2022 - Aug 2023 (1 year 5 months)

Built a bidirectional JSON-to-custom-format converter for test automation and wrote both Java backend and Angular frontend. Added a second level of transactionality to the core system and delivered on a tight deadline.

Java Angular JavaScript REST APIs JSON Testing Automation Transaction Management System Architecture

Software Engineer

BSSG

Aug 2019 - Feb 2022 (2 years 6 months)

Integrated an Angular application into a legacy MDM platform and developed IBM MDM functionality including custom reporting tools. Built a UI-level visual testing system in Python and ChromeDriver.

Java Angular IBM MDM Python Selenium Webdriver UI Testing System Integration SQL

Java / Full Stack Developer

WeKast

Mar 2018 - Mar 2019 (1 year)

Developed backend services and APIs for mobile and web applications in Java with Spring and Hibernate. Designed database schemas, wrote SQL queries, integrated third-party REST APIs, and built UI components with HTML, CSS, JavaScript, and Thymeleaf.