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Senior Ruby Developer
Ruby
8 Years Of Experience
Den
Tbilisi, Georgia
Skills
Expertise
Vagrant
10 years
Git
12 years
Rails
8 years
PostgreSQL
8 years
MySQL
6 years
Ruby
9 years
MariaDB
6 years
Backend
9 years
All Skills
Vagrant
Git
Cypress
TailwindCSS
Rails
PostgreSQL
MySQL
Ruby
MariaDB
Backend
Senior Ruby Developer
Den is an experienced Senior Ruby Developer with 8 years of experience. He is one of the most experienced Ruby & Rails developers in our network.
Professional Experience
Lead Backend Engineer
6 months
Shyftplan Gmbh
• Helped to build the SaaS to automate companies' shift scheduling and tried to improve the development and team processes.
• Working on performance optimization.
AWS
Ruby
Rails
PostgreSQL
Senior Backend Engineer
4 months
GH Gmbh
• Helped to build the biggest German social network for neighbors.
• Implemented new features, fixed bugs, and refactored legacy code.
Ruby
Rails
PostgreSQL
Python
Senior Software Engineer
7 years 9 months
Deutsche Telekom IT Solutions
• Helped to build and cultivate (incl. through the full cycle) several services inside both T-Mobile Deutschland's technical landscape and internal ecosystem
• Tech leading two teams (up to three members) and mentoring several trainees
• Building and automating the team / development processes
• Elaborating the architecture of several applications (both application and system level)
• Interacting with stakeholders and converting business requirements into technical specs
• Acting as founder and product owner for a number of internal systems
• Coding: Developing and maintaining features, describing and fixing bugs
• Implementing and improving accessibility and ergonomics topics
• Back: Ruby (1.9–2.7), Ruby on Rails (3.2–6.0), Sinatra, Crystal, Python, Java 11, Spring Boot, Tomcat
• DB: Oracle (10g–21c), PL/SQL, APEX (4.1–18.2), PostgreSQL (9.4+), MySQL (5.6, 8.0), MongoDB (≤3.6)
• Automation & Deploy: Shell scripting, Vagrant, Docker, Capistrano, Fabric, Liquibase, Gradle, Ant
• Testing: Watir, Cypress, Selenium, RSpec, Postman
• Front: JavaScript / CoffeeScript, Bootstrap, Stimulus, Tailwind, some Angular & ReactJS, OpenLayers
• VCS: Git, Gitea, Gitlab, Github, SVN
Ruby
Rails
Python
PostgreSQL
React
Education
St. Petersburg State University
MSc & BSc Computer Science and Applied Informatics
Developer Profile
Leadership:
Score 5: Expertly architects projects, oversees engineering teams, and guides company-wide tech initiatives.
Communication:
Score 5: Expertly conveys technical scope and vision, aligns tech solutions with business requirements, and mentors in effective communication.
Professsional Experience:
Score 5: Veteran Technologist - Carries vast experience, having helmed diverse and complex projects across industries, and showcases a history of strategic and impactful project completions.
Engineering Skill:
Score 4: Tech Lead/Architect - Oversees large-scale projects, defines architectural decisions, and strategizes tech solutions.
Professionalism:
Score 4: Advanced - Exemplifies leadership qualities, proactively addresses challenges, and cultivates a positive work environment.
Skill Evaluation: 10/10
Professional Strengths
- Excellent backend developer, one of our most experienced Ruby & Rails developers
- Strong leadership abilities and great technical ability.
About me
• I'm a software backend engineer obsessed with automation and databases and with a strong product background. Looking forward to be building with you.
About
Global Hubs
Engineering Skills
Social Media
@2026 slashdev.io