Denis Sinitsa

Denis Sinitsa Email and Phone Number

Senior Backend Developer | Tech Lead ๐Ÿง‘โ€๐Ÿ’ป Python | Go | AWS @ Profitero
dublin, dublin, ireland
Denis Sinitsa's Location
Tbilisi, Georgia, Georgia
About Denis Sinitsa

Seasoned ๐’๐ž๐ง๐ข๐จ๐ซ ๐’๐จ๐Ÿ๐ญ๐ฐ๐š๐ซ๐ž ๐„๐ง๐ ๐ข๐ง๐ž๐ž๐ซ | ๐“๐ž๐œ๐ก ๐‹๐ž๐š๐ with ๐Ÿ” ๐ฒ๐ž๐š๐ซ๐ฌ of expertise in ๐๐ฒ๐ญ๐ก๐จ๐ง and ๐†๐จ, specializing in building scalable and efficient backend systems. I leverage strong ๐ƒ๐ž๐ฏ๐Ž๐ฉ๐ฌ expertise (AWS, GCP, Azure) to drive automation, deployments, and manage cloud infrastructure.๐ŸŒ ๐‹๐š๐ง๐ ๐ฎ๐š๐ ๐ž๐ฌ: English B2+ (Upper-Intermediate+), Russian C2 (Native).๐Ÿ“Œ Open to full-time ๐๐Ÿ๐ cooperation.๐Ÿพ ๐Œ๐š๐ข๐ง ๐“๐ž๐œ๐ก๐ง๐จ๐ฅ๐จ๐ ๐ข๐ž๐ฌ ๐š๐ง๐ ๐“๐จ๐จ๐ฅ๐ฌ๐ž๐ญ ๐ˆ ๐จ๐ฉ๐ž๐ซ๐š๐ญ๐ž ๐ฐ๐ข๐ญ๐ก:โ€ข Languages: ๐๐ฒ๐ญ๐ก๐จ๐ง, ๐†๐จ, C, Bash, SQL, JavaScript, HTML, CSSโ€ข Libraries: FastAPI, SQLAlchemy, Pydantic, Chi, Django, DRF, Flask, Koa, Puppeteer, Selenium, BeautifulSoup, Pytest, logging, Pandas, Liquibase, Node.jsโ€ข Cloud Platforms: ๐€๐–๐’ (AWS Lambda, CloudFormation, RDS, SNS, SQS, CloudWatch, S3, EKS, ECS, Redshift), ๐†๐‚๐ (GKE, Cloud Monitoring, Compute Engine), ๐€๐ณ๐ฎ๐ซ๐ž (Batch Explorer)โ€ข Databases: MySQL, PostgreSQL, SnowFlake, Redis, ElasticSearch, DynamoDB, MongoDBโ€ข Deployment: ๐ƒ๐จ๐œ๐ค๐ž๐ซ, Docker Compose, ๐Š๐ฎ๐›๐ž๐ซ๐ง๐ž๐ญ๐ž๐ฌ, Helm, SAM, ECS, EKSโ€ข Messaging and Caching: Redis, RabbitMQ, SQS, SNS, Celeryโ€ข IaC: Terraform, CloudFormationIf you have tough tech challenges - you should definitely reach out to me! :)โ€ข Telegram: t.me/denis_sinitsa โ€ข Email: sinitsa.denis12@gmail.comLetโ€™s connect and explore opportunities for collaboration and innovation!Senior Software Engineer | Senior Software Developer | Lead Software Engineer | Lead Software Developer | Tech Lead | TechLead | Team Lead | TeamLead | DevOps | MLOps | Python | Go | Golang | Software Design | System Design | System Architecture | Solution Architect | Solution Architecture | Backend Developer | Backend Engineer | Lead Backend Engineer | Lead Backend Developer

Denis Sinitsa's Current Company Details
Profitero

Profitero

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Senior Backend Developer | Tech Lead ๐Ÿง‘โ€๐Ÿ’ป Python | Go | AWS
dublin, dublin, ireland
Website:
profitero.com
Employees:
312
Denis Sinitsa Work Experience Details
  • Profitero
    Senior Backend Developer | Tech Lead
    Profitero Apr 2023 - Present
    Georgia
    ๐๐ซ๐จ๐Ÿ๐ข๐ญ๐ž๐ซ๐จ is a SaaS commerce platform that uses predictive intelligence to help brands plan and automate actions for profitable growth.๐€๐œ๐ญ๐ข๐ฏ๐ข๐ญ๐ข๐ž๐ฌ:โ—ฝ๏ธ Led a team of 10 backend professionals.โ—ฝ๏ธ Designed and developed core microservices to predict product categories and brands from eCommerce data. They used Redis for caching, ElasticSearch for full-text search, Snowflake as the analytics database, and MySQL as the primary database.โ—ฝ๏ธ Designed and developed a microservice for deduplicating products using an LLM model.โ—ฝ๏ธ Rebuilt a heavy service in Go (replacing Python) to preprocess products, saving almost $10k in annual infrastructure costs.โ—ฝ๏ธ Redesigned a service to save $20k annually by switching from an HTTP API to RabbitMQ for scheduling millions of products for scraping.โ—ฝ๏ธ Developed a Deploy repository for CD, ensuring a simple and reliable flow.โ—ฝ๏ธ Implemented SRE practices, including SLAs, SLOs, and team workflows to proactively address issues.๐“๐ž๐œ๐ก ๐’๐ญ๐š๐œ๐คโ—ฝ๏ธ Languages: Python, GO, Bash, SQLโ—ฝ๏ธ Libraries: FastAPI, SQLAlchemy ORM, Pydantic, Pytest, logging, Pandas, Liquibaseโ—ฝ๏ธ Cloud Platforms: AWS (EKS, CloudWatch, S3), GCP (GKE, Cloud Monitoring, Compute Engine)โ—ฝ๏ธ Databases: MySQL, SnowFlake, Redis, ElasticSearchโ—ฝ๏ธ Monitoring: Sentry, Grafana, Prometheusโ—ฝ๏ธ Deployment: Docker, Docker Compose, Kubernetes, Helmโ—ฝ๏ธ Messaging and caching: Redis, RabbitMQโ—ฝ๏ธ IaC: Terraform
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  • Embria
    Senior Backend Developer
    Embria Nov 2022 - Apr 2023
    Cyprus
    ๐„๐ฆ๐›๐ซ๐ข๐š is an international startup builder and investor (Playkot, Belka Games, AdTech Holding, etc).๐๐ซ๐จ๐ฃ๐ž๐œ๐ญ: Application for folks with chronic diseases.๐€๐œ๐ญ๐ข๐ฏ๐ข๐ญ๐ข๐ž๐ฌ:โ—ฝ๏ธ Led a team of 6 backend developers.โ—ฝ๏ธ Architected the entire system, including the API Gateway, Kubernetes cluster, communication protocols, databases.โ—ฝ๏ธ Designed and developed multiple microservices from scratch (HTTP APIs for tracking user activities, sending push notifications, providing ML-based recommendations, implementing quizzes and etc.).โ—ฝ๏ธ Designed and implemented a service to sync DynamoDB and PostgreSQL databases, reducing reliance on 3rd-party solutions and saving $5k annually.โ—ฝ๏ธ Established a streamlined and automated CI/CD process for services.โ—ฝ๏ธ Implemented DDD approach, improving the scalability of features.๐“๐ž๐œ๐ก ๐’๐ญ๐š๐œ๐คโ—ฝ๏ธ Languages: Python, GO, Bash, SQLโ—ฝ๏ธ Libraries: FastAPI, Chi, SQLAlchemy GORM, Pytest, logging, Pandasโ—ฝ๏ธ Cloud Platforms: AWS (AWS Lambda, CloudFormation, RDS, SNS, SQS, CloudWatch, S3)โ—ฝ๏ธ Databases: PostgreSQL, DynamoDBโ—ฝ๏ธ Monitoring: Sentry, Grafana, Prometheusโ—ฝ๏ธ Deployment: Docker, SAMโ—ฝ๏ธ Messaging and caching: SQS, SNS
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  • Chainlane
    Senior Backend Developer
    Chainlane Jan 2021 - Nov 2022
    Israel
    ๐‚๐ก๐š๐ข๐ง๐ฅ๐š๐ง๐ž is a cloud-based RFID software platform for inventory management and control across the entire supply chain.๐€๐œ๐ญ๐ข๐ฏ๐ข๐ญ๐ข๐ž๐ฌ:โ—ฝ๏ธ Designed the project architecture using AWS and created the relational database schema for the core backend.โ—ฝ๏ธ Developed the core functionality for the Django monolithic HTTP API, and designed AWS Lambda microservices for CRM integration and handling CSV-based reports.โ—ฝ๏ธ Developed a WebSocket service for receiving data from IoT devices.โ—ฝ๏ธ Built CI/CD pipelines for AWS Lambda microservices, using SAM and CloudFormation.โ—ฝ๏ธ Enhanced application delivery by implementing unit and integration tests for the core backend, reducing QA efforts during production deployments.๐“๐ž๐œ๐ก ๐’๐ญ๐š๐œ๐คโ—ฝ๏ธ Languages: Python, Bash, SQLโ—ฝ๏ธ Libraries: Django, Django Rest Framework (DRF), Pytest, loggingโ—ฝ๏ธ Cloud Platforms: AWS (AWS Lambda, CloudFormation, RDS, SNS, SQS, CloudWatch, S3, Redshift).โ—ฝ๏ธ Databases: PostgreSQLโ—ฝ๏ธ Deployment: Docker, SAM, ECS, EKSโ—ฝ๏ธ Messaging and caching: SQS, SNS, RabbitMQ
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  • El Pixel
    Backend Developer
    El Pixel Nov 2019 - Jan 2021
    Belarus
    ๐„๐ฅ ๐๐ข๐ฑ๐ž๐ฅ is a tech company providing outstaffing services for global companies.๐๐ซ๐จ๐ฃ๐ž๐œ๐ญ: canadian based startup to get data and analytics for opening job positions in any areas, sectors.๐€๐œ๐ญ๐ข๐ฏ๐ข๐ญ๐ข๐ž๐ฌ:โ—ฝ๏ธ Developed and maintained framework for data collection.โ—ฝ๏ธ Developed addons to collect data from famous vacancies resources. ๐“๐ž๐œ๐ก ๐’๐ญ๐š๐œ๐ค: โ—ฝ๏ธ Languages: Python. Node JS, Bash, HTML, CSSโ—ฝ๏ธ Libraries: Koa, Puppeteer, Selenium, BeautifulSoup, Pytest, loggingโ—ฝ๏ธ Cloud Platforms: Azure (Batch Explorer)โ—ฝ๏ธ Databases: MongoDBโ—ฝ๏ธ Deployment: Docker, Docker Composeโ—ฝ๏ธ Messaging and caching: Celery, Redis
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  • Ciklum
    Backend Developer
    Ciklum Dec 2017 - Nov 2019
    Belarus
    ๐‚๐ข๐ค๐ฅ๐ฎ๐ฆ is a tech company providing outstaffing services for global companies.๐๐ซ๐จ๐ฃ๐ž๐œ๐ญ: product for american baseball team to provide connections with social media.๐€๐œ๐ญ๐ข๐ฏ๐ข๐ญ๐ข๐ž๐ฌ:โ—ฝ๏ธ Developed and maintained integrations with Facebook, Twitter.โ—ฝ๏ธ Rebuilt framework for developing integrations.โ—ฝ๏ธ Improved core functionality codebase.๐“๐ž๐œ๐ก ๐’๐ญ๐š๐œ๐ค: โ—ฝ๏ธ Languages: Python, Bash โ—ฝ๏ธ Libraries: Flask, SQLAlchemy, Pytest, logging โ—ฝ๏ธ Databases: PostgreSQL โ—ฝ๏ธ Deployment: Docker, Docker Compose โ—ฝ๏ธ Messaging and caching: Celery, Redis
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Denis Sinitsa Education Details

Frequently Asked Questions about Denis Sinitsa

What company does Denis Sinitsa work for?

Denis Sinitsa works for Profitero

What is Denis Sinitsa's role at the current company?

Denis Sinitsa's current role is Senior Backend Developer | Tech Lead ๐Ÿง‘โ€๐Ÿ’ป Python | Go | AWS.

What schools did Denis Sinitsa attend?

Denis Sinitsa attended Belarusian State University.

Who are Denis Sinitsa's colleagues?

Denis Sinitsa's colleagues are Zachary Mcculley, Viachaslau L., Chloe Worthington, Golnaz Sadoughi, Phd, Victor Baida, Razmik Babayan, Valentin Kopotchel.

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