Aleksandr Galeckij
Backend Developer
14+ years exp
SQL
JavaScript
Python
Active 4 days ago
+375 (29) 2103931 Invite to interview
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Overview
Technical skills
Timeline
Roles
Overview
Python-focused developer with backend and fullstack experience building web services, APIs, and data-intensive systems. Worked with Django/FastAPI, PostgreSQL, async processing (Celery) and messaging (RabbitMQ), implemented OAuth2, and wrote automated tests. Also contributed to AI/NLP enrichment pipelines using LangChain/LangGraph and OpenAI integrations.
Technical skills
SQL
JavaScript
Python• Junior • 14y+
Python
Django REST Framework
Flask
Celery• 10y+
Django• 10y+
Alembic• 3y+
FastAPI• 3y+
Pydantic• 3y+
SQLAlchemy• 3y+
Databases
MySQL
PostgreSQL• 10y+
RabbitMQ• 10y+
Redis• 3y+
AI/ML
AWS Bedrock
LangChain
LangGraph
Frontend
JQuery
React.js
Redux
Redux Toolkit
Bootstrap• 15y+
DevOps
Amazon EC2
Datadog
Docker Swarm
Git
Nginx
Rest API
Bitbucket• 10y+
DigitalOcean• 10y+
Docker• 10y+
Docker Compose• 10y+
GitLab CI• 3y+
AWS
AWS Lambda
Cybersecurity
GDPR
PCI DSS
QA
Pytest• 3y+
Timeline
Backend Developer
•
Middle
Biblical Study Platform
•
Full-Time
Developed backend features for a Bible learning platform that supports multiple translations, mentoring and user progress tracking. Built LangChain/LangGraph enrichment and matching pipelines and integrated OpenAI-based AI capabilities for text generation and semantic search. Implemented high-throughput messaging with RabbitMQ and background processing with Celery, optimized PostgreSQL and added OAuth2 authentication/authorization with automated tests.
Alembic
FastAPI
SQLAlchemy
Pydantic
LangChain
LangGraph
Celery
PostgreSQL
RabbitMQ
GitLab CI
Pytest
AWS
AWS Lambda
Docker
Docker Compose
Fullstack Developer
•
Middle
Kongi.tech
•
Full-Time
Developed and maintained backend services and APIs used by mobile applications. Participated in delivering new functionality through code reviews and technical discussions, and wrote technical documentation and unit tests. Worked with a Python web stack including Django/FastAPI and relational data modeling.
Django
FastAPIsince 2023
SQLAlchemysince 2023
Alembicsince 2023
Pydanticsince 2023
Celery
PostgreSQL
Redis
GitLab CIsince 2023
Pytestsince 2023
Docker
Docker Compose
Fullstack Developer
•
Middle
sitngo.me
•
Full-Time
Developed and maintained a car rental service in Montenegro, contributing to new features and troubleshooting across the stack. Designed PostgreSQL database structure and schemas and handled debugging at multiple layers to keep the service stable. Wrote unit tests to ensure reliable functionality.
Djangosince 2016
Celerysince 2016
PostgreSQLsince 2016
RabbitMQsince 2016
Bitbucket
Dockersince 2016
Docker Composesince 2016
DigitalOcean
Fullstack Developer
•
Middle
Postim.online
•
Full-Time
Developed a service for posting content to multiple social networks. Designed and implemented the posting backend logic and integrated social network APIs, then maintained the service through code-level debugging. Implemented database schema design in PostgreSQL and added unit/integration tests to ensure correct behavior.
Django
Django REST Framework
Celery
PostgreSQL
Redis
RabbitMQ
Docker
JQuery
Bootstrap
JavaScript
Backend Developer
•
Middle
Srochnyi-vykup.belauction.by
•
Full-Time
Built and supported an automobile auction backend service with an API for a mobile application. Performed debugging across application layers, designed PostgreSQL database schemas, and implemented unit tests. Focused on making the service reliable and maintainable for ongoing development.
Django
Celery
PostgreSQL
RabbitMQ
Docker
Docker Compose