Years of experience: 14
Backend DeveloperIT
Trust Score
Exceptionally trusted; proven professional excellence.
Volodymyr's Career Path
Oct. 2024 -May. 2025
CalXSolutions Architect (Consultant)
- Led platform modernization, migrating legacy monolith to a modular microservices architecture on AWS ECS, migrating 2 legacy and 4 newly developed services to cloud-native deployment - Re-architected telephony infrastructure, replacing Plivo with Twilio, improving call reliability, API control, and integration flexibility for developer teams - Designed and delivered reusable service templat...
May. 2023 -Present
TechTellentSolutions Architect
- Led full architecture redesign, migrating the platform to cloud-native microservices on AWS ECS, improving scalability, resilience, and fault isolation across 30+ services - Designed and delivered real-time streaming pipelines with Kafka, Kafka Streams, Debezium, and Spark, processing up to 6,000 events/sec and 800 requests/sec under peak loads - Built reusable service templates integrating...
Dec. 2022 -May. 2023
Leading Africa BankSolutions Architect (Consultant)
- Led backend modernization, rebuilding critical services into a modular microservices architecture to improve scalability, resilience, and maintainability of core banking functions - Redesigned inter-service communication patterns using standardized messaging, distributed tracing, and observability pipelines, improving system reliability and cross-service fault detection - Implemented Saga-b...