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Profile photo of Roman Obednyak, Back-end Developer (Python, Cloud) at InfraJump

Roman Obednyak

Back-end Developer (Python, Cloud)

Expertise
PythonFastAPIPostgreSQLREST API
terminal
LIVE
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About

I'm a Back-end Developer specializing in Python and cloud platforms. I design and build scalable APIs and microservices, work with distributed systems, and deploy applications in cloud environments like GCP and AWS. I focus on performance optimization, reliable architectures, and secure backend systems, while collaborating closely with DevOps and cross-functional teams to deliver production-ready solutions.

Key Achievements

Designed and built scalable APIs and microservices using Python, FastAPI, and Django, integrating with DevOps practices and CI/CD pipelines for production-ready deployments.

Developed AI models and platform engineering systems, implementing data pipelines and backend services for ML workflows and cloud-native platforms.

Refactored and modernized legacy codebases, improving maintainability, performance, and alignment with current architectural standards.

Led greenfield development of projects from scratch, defining architecture, tech stack, and development processes from initial concept to production.

Contributed to architecture design and technical decisions, collaborating with DevOps and cross-functional teams to deliver reliable, secure backend systems.

Featured Projects

TripCreator

Backend development from scratch on a microservices architecture. Participated in architecture design and built an AI model for the project.

PythonFastAPIMicroservicesAI/MLDockerREST API

Auto DevOps

Python backend development and creation of platform engineering modules that integrate with AWS, Azure, and GCP clouds.

PythonFastAPIAWSAzureGCPPlatform EngineeringTerraformKubernetes

Technical Skills

Core

PythonFastAPIDjangoFlaskAsync PythonMicroservicesREST API

DevOps

CI/CDGitHub ActionsContainersMonitoringKubernetes

Security

OAuthJWT2FAAPI Security

Databases

PostgreSQLMongoDBRedisMySQLBigQuery

Cloud & Infrastructure

GCPAWSDockerKubernetesNginxGKEECSEKS

Real-time & Integration

WebSocketsThird-party APIsEvent-driven systems