Vadim Volovenko
Full Stack Developer
13+ years exp
SQL
PHP
Python
Ruby
Elixir
Go
Active 14 days ago
+375 (25) 9344096 Invite to interview
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Overview
Technical skills
Timeline
Roles
Overview
Ruby on Rails developer with experience in building and maintaining web applications, backend services, and API endpoints. Worked on integrating external systems and payment/delivery services, implemented AI-related integrations, and optimized database queries for performance. Uses testing practices with RSpec and contributes to CI/CD and code reviews, including containerized deployments.
Technical skills
SQL
PHP
Python
Ruby• Middle • 13y+
Elixir• 9y+
Go• Junior
PHP
WordPress
Bitrix• 13y+
Python
FastAPI
Pydantic
SQLAlchemy
Ruby
ActiveAdmin
Ruby on Rails• 9y+
Devise• 5y+
Dry-rb• 5y+
RSpec• 5y+
Sidekiq• 5y+
Pundit
Databases
MySQL
pgvector
Qdrant
PostgreSQL• 5y+
Redis• 5y+
ElasticSearch
Google BigQuery
PostGIS
AI/ML
GigaChat
Model Context Protocol
RAG
Hybrid Search
LangChain
Langfuse
LangGraph
Perplexity
Reranking
Whisper
Claude
LLM
Frontend
GraphQL
DevOps
Cloudflare
CI/CD• 5y+
Docker• 5y+
GitHub Actions• 5y+
GitLab CI• 5y+
Kubernetes• 5y+
Git• 5y+
AWS
Rest API
Timeline
Fullstack Developer
•
Middle
Yunichek
•
Full-Time
Developed B2B SaaS features for automating customs compliance for imports into Russia and EAEU. Implemented a two-step LLM workflow to classify HS codes and search over a large reference dataset. Built document-analysis logic for certification, labeling, duties/VAT and counterpart risk assessment, and integrated multiple external APIs. Delivered REST APIs for client ERP/TMS integration and set up payment webhooks and CI/CD with Docker builds.
Ruby on Rails
PostgreSQL
Redis
Sidekiq
Claude
LLM
Docker
GitHub Actions
Fullstack Developer
•
Middle
INMYROOM
•
Full-Time
Developed and maintained core website functionality and built an internal CRM. Implemented integrations with payment and delivery services and added AI integrations with OpenAI, Anthropic, Yandex AI, and GigaChat. Worked with Ruby on Rails APIs, PostgreSQL/PostGIS and Elasticsearch, and supported async/background processing and containerized deployments with Docker and Kubernetes.
Ruby on Rails
GraphQL
Rest API
PostgreSQL
PostGIS
ElasticSearch
Sidekiq
Dry-rb
Pundit
AWS
Google BigQuery
Mindbox
Docker
Kubernetes
GitLab CI
Backend Developer
•
Middle
Qolio
•
Full-Time
Designed and implemented application components and the interaction architecture between system modules. Built integrations with external platforms such as VoIP and CRM systems. Applied CQRS and DDD patterns, optimized database queries for performance, and implemented API endpoints with refactoring into separate services. Wrote automated tests with RSpec, followed TDD practices, performed code reviews, and used CI/CD with GitHub Actions and Kubernetes deployments.
Ruby on Rails
PostgreSQLsince 2021
Redissince 2021
Dockersince 2021
Kubernetessince 2021
Dry-rbsince 2021
GitHub Actionssince 2021
RSpecsince 2021
Ruby on Rails Backend Developer
•
Middle
Qolio
•
Full-Time
Designed application interactions and implemented integration logic with external systems such as VoIP and CRM. Applied CQRS and DDD approaches, developed API endpoints, and optimized critical database queries for better performance. Wrote unit and integration tests with RSpec using TDD practices, used CI/CD via GitHub Actions, and performed code reviews.
Ruby on Rails
PostgreSQL
Redis
Docker
Kubernetes
Sidekiqsince 2021
Devise
RSpec
Ruby on Rails/Elixir Developer
•
Middle
Wellnuts
•
Full-Time
Contributed to Ruby on Rails/Elixir software development during the employment period. Participated in maintaining and improving existing application functionality. Delivered day-to-day development work as part of the product engineering team.
Ruby on Railssince 2020
Ruby on Rails and Elixir Developer
•
Middle
Wellnuts
•
Full-Time
Worked on software development using Ruby on Rails and Elixir. Contributed to building and maintaining application functionality for internal and/or customer needs. Focused on delivering working features in a Ruby/Elixir codebase during the employment period.
Ruby on Rails
Elixir
Fullstack Developer
•
Middle
Femistyle
•
Full-Time
Developed and maintained the company websites and worked on client websites. Supported delivery of web features across the front-end and back-end side of the projects. Ensured ongoing maintenance and updates for the released web resources during the employment period.