Backend
Ruby on Rails, Go, REST APIs, MongoDB, DDD, and refactoring mature products.
Available for meaningful work
Backend systems, built to last.
I’m Ivan Kravtsov, a Ruby on Rails engineer with 8+ years in software. I build well-tested products, clear APIs, and dependable delivery pipelines.
CORE EXPERIENCE
What I work with.
Backend product development—from architecture and automated testing to deployment and production stability.
Quality
TDD, automated test coverage, maintainable conventions, and reliable releases.
Delivery
GitHub Actions, CI/CD, Docker Compose, Kubernetes, and production operations.
CONTACT
Let’s work together.
DETAILED PROFILE
Experience, in context.
A practical overview of the systems I’ve built, improved, tested, and operated.
Oct 2023 — Jul 2025
1 yr 10 mos
Ruby on Rails Developer
polza.diet
- Built features with TDD and DDD principles for maintainable, well-tested delivery.
- Standardized the codebase with service objects, serializers, thin controllers and models, and validation objects.
- Designed and implemented a new REST API for integration and scale.
- Upgraded Ruby, Rails, gems, and related dependencies.
- Established GitHub Actions CI/CD covering unit, controller, system, and migration tests.
- Administered staging and production servers, deployments, and stability monitoring.
Feb 2022 — Nov 2022
10 mos
Go Developer
Integrated Management Systems · Gazprombank Group
- Developed microservices in a BPMS domain.
- Added and maintained code test coverage.
- Aligned requirements with managers, backend engineers, and frontend engineers.
Oct 2021 — Dec 2021
3 mos
Junior Go Developer
ELMA365
- Collaborated on microservices within a focused business domain.
Mar 2015 — Apr 2016
1 yr 2 mos
Ruby on Rails Developer
RedmineUP
- Developed commercial Redmine plugins including people, agile, and invoicing products.
- Delivered custom Redmine enhancements for international clients.
- Maintained plugins and adapted them to new Ruby, Rails, and Redmine versions.
Jan 2011 — Jan 2015
4 yrs 1 mo
PHP Developer
FL.ru · Freelance
- Developed and customized Joomla plugins, HTML layouts, and bespoke website features.
EDUCATION
Computer Science
Glazov College of Information and Social Communications · College-level vocational education