Architected event-driven microservices platform with a full observability stack (OpenTelemetry, Grafana Tempo, Loki, Prometheus) enabling distributed tracing and log correlation across services. Built Kafka streaming pipeline with Avro schema registry for message lifecycle tracking and ML training data collection. Prepared Kubernetes deployment configurations with ArgoCD for GitOps-based production rollouts. Built an LLM-based data generation pipeline for text classification and configured training metrics with MLFlow. Developed admin and user-facing UIs from scratch.

Senior Backend Developer at Gambling Media Platform

July 1, 2024 - October 1, 2024

Built a common library for async microservices to communicate through Protobuf, significantly reducing development time and data overhead. Created Kubernetes configuration for the project to enable DevOps kickoff. Suggested and implemented core error handling and reporting mechanisms.

Senior Fullstack Developer at GlobalLogic

October 1, 2022 - March 1, 2024

Built an internal tool for prompt engineers, leveraging Langchain, DSPy, and LlamaIndex for researching prompt tuning techniques. Participated in planning and architecture discussions for new features. Assisted with Kubernetes configuration for deployment. Developed an internal data access platform for analysts and data scientists, optimizing data access and processing. Implemented large-scale permissions state control and API rate control for secure, efficient data access. Designed and implemented monitoring and alerting with Grafana and ELK.

Fullstack Developer at EVO.Vchasno

September 1, 2020 - March 1, 2022

Implemented PDF document rendering and sign flow configuration. Configured monitoring and alerting using Kibana and Grafana. Developed Slack bot for alerts and development process automation. Designed and implemented a microservice for signature processing. Implemented a configuration protocol to accelerate retail networks integration. Developed an API and FTP server for document exchange between Vchasno, suppliers, and retail networks.

Python Developer at OnGrid Systems

April 1, 2018 - August 1, 2020

Designed and implemented a reusable Django app for ICO projects, utilizing Celery for task management. Ensured scalability and flexibility for future ICO projects. Integrated with Sentry for error monitoring. Developed microservices for ETH and BTC payment gateways. Implemented a modular design to facilitate easy integration and maintenance. Built a non-custodial wallet application, ensuring users control over their assets.

Freelance Fullstack Developer at Freelance / Self-employed

July 1, 2025 - Present

Architected an event-driven microservices platform with full observability stack (OpenTelemetry, Grafana Tempo, Loki, Prometheus) enabling distributed tracing and log correlation across services. Built a Kafka event streaming pipeline with Avro schema registry for message lifecycle tracking and ML training data collection. Prepared Kubernetes deployment configurations with ArgoCD for GitOps-based production rollouts. Built an LLM-based data generation pipeline for text classification and configured training metrics with MLFlow. Developed admin and user-facing UIs from scratch.