About Me
Senior Software Engineer (9+ years experience)
- Architected distributed systems and cloud-native solutions
- Led migration to microservices and infrastructure as code
- Reduced deployment times by 60% and boosted system scalability
Technical Skills: Python, JavaScript, Go, leading cloud platforms
Passion: Leveraging AI to drive innovation and business value
Work Experience
Playrix
Lead Backend Developer
January 2022 - Present (3 years 4 months) | Limassol, Cyprus
- Led migration to microservices, AWS, and infrastructure as code, reducing deployment times by 60% and increasing scalability.
- As an Architect, developed and launched an advertising campaign optimization service for 10+ partners, automating workflows and reducing manual effort by 80%.
- Refactored salary calculation service, cutting response time by 50% and improving reliability.
Manerai LLC
Backend Consulting
January 2022 - Present (3 years 4 months)
- Development stack audit
- Advice on the application of scaling tool
- Finding solutions for new application features
Spark Equation
Software Engineer
September 2020 - December 2021 (1 year 3 months)
- Designed and implemented new features and refactored core products, including US-based employee onboarding platforms, time tracking, and payroll systems used by 10,000+ employees daily.
- Utilized Azure Cloud Services, Terraform, and Azure ETL Services to enhance platform reliability and scalability.
Playrix
Full-Stack Developer
June 2017 - September 2020 (3 years 3 months)
- Developed 20+ microservices for various company products, primarily back-office services.
- Integrated Nomad, Consul, Vault, and Docker for secure and scalable deployments.
- Built a modular frontend solution for the employee management system.
Projects
Realistic Photo Generator
Jan 2025 - Jan 2025
- Built a pipeline for dataset preparation and LoRA weight training for Flux using real people and clothing photos.
- Utilized Airtable, Cloudflare R2, and Modal for data management and inference.
Skills: Replicate · Modal · Airtable · Flux

Agent System Email Assistant for UCLA Olga Radko Endowed Math Circle (ORMC)
Jan 2024 - Jan 2024
- Developed an LLM-based agent system leveraging RAG, reasoning, and tooling to assist ORMC professors in answering hundreds of emails daily, reducing workload by 70%.
- Employed LangChain, AWS Lambda, and LangGraph to build and deploy the system.
Skills: LangChain · Retrieval-Augmented Generation (RAG) · OpenAI Products · Amazon Web Services (AWS)

MYGPTDATE. Tinder Bot for Automated Searching and Messaging
Jan 2024 - Jan 2024
- Engineered infrastructure and scripts for automated searching and messaging on Tinder, serving hundreds of users.
- Created a custom cascade proxy in Go to bypass Tinder's anti-bot protection.
- Designed secure Chrome session infrastructure for bot operation.
- Developed an algorithm to analyze photos and match user preferences.
- Implemented a sophisticated messaging algorithm to automate conversations and track milestone achievements.
Skills: Kubernet · Go · Large Language Models (LLM) · Hugging Face Products · Python (Programming Language)
Contact Me
- Email: dmitry.gulak@gmail.com
- LinkedIn: https://www.linkedin.com/in/dmitry-gulak/
- Telegram: @bobamix