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Denys Obukhov

denys.obukhov@gmail.com
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Senior Java Engineer / Tech Lead

Senior Java engineer and tech lead with 10+ years of experience building distributed systems and data-intensive platforms.
Specialized in microservices, large-scale data processing, and cloud/on-prem hybrid environments, with strong expertise in data security platforms (DSPM).
Known for solving complex production issues under constraints (limited access, high scale, unclear system behavior) and delivering reliable backend systems operating across heterogeneous infrastructures.

Core Skills

Backend

Java 21, Spring Boot, Hibernate

Architecture

Distributed Systems, Microservices, Event-driven systems (Kafka)

Data

SQL, NoSQL (Couchbase), BigQuery, Hive

Cloud & DevOps

AWS, Kubernetes, Helm, Docker

Integration

REST, SOAP, JMS, ESB (Oracle SOA Suite)

Tooling

Maven, Jenkins, Git, IntelliJ

Other

Performance tuning, system design, production debugging

Experience

Technical Lead / Senior Java Engineer

1touch.io (2019—Present)

  • Tech lead in dozens microservice Java/Spring system for data security and classification (DSPM)
  • Designed and implemented distributed data discovery and classification pipelines processing massive enterprise datasets
  • Built services for scanning heterogeneous sources: databases, cloud storage, SaaS APIs (e.g., Salesforce)
  • Implemented sampling strategies for multi-terabyte/petabyte-scale datasets
  • Led full lifecycle: architecture → development → production debugging → customer support
  • Solved production issues in restricted on-prem environments with limited observability
  • Worked on Kubernetes-based deployments, resource tuning, and system reliability
  • Designed integrations with BigQuery, file systems, NoSQL systems, and cloud platforms
  • Improved performance and scalability of long-running data processing services
  • Contributed to system architecture and technical direction as Tech Lead

Senior Java Engineer (Core Developer)

AVI-SPL Symphony platform (via Evolve) (2019—2020)

  • Core developer on enterprise platform for monitoring and managing AV and meeting room environments
  • Designed and implemented a secure password management module (encryption, storage, retrieval) for distributed systems
  • Built integrations ("adapters") for enterprise meeting devices including microphone arrays and AV hardware
  • Developed backend services using Java and Spring with focus on reliability and secure handling of sensitive data
  • Contributed to system design and integration architecture across heterogeneous hardware environments

Senior Integration Engineer

DIRECTV (2012—2019)

  • Developed middleware for satellite TV, IPTV, and broadband VOD (BBVOD) platforms
  • Built enterprise integrations using Oracle ESB, Java, Spring, SOAP, JMS
  • Designed high-load integration flows across billing, content, and backend systems
  • Implemented REST/SOAP APIs and XQuery transformations
  • Participated in full SDLC including CI/CD (Jenkins) and automated testing (JUnit)
  • Supported high-availability systems serving large subscriber base

Senior / Middle Full-Stack Developer

2007—2012

  • Developed web applications, APIs, and analytics systems
  • Worked with Python (Django), PHP, MySQL, JavaScript (jQuery)
  • Implemented payment integrations and backend systems

Key Technical Highlights

  • DSPM Platform: Distributed system for discovering and classifying sensitive data across enterprise infrastructure (TB–PB scale)
  • Data Pipelines: Designed efficient large-scale scanning and sampling systems
  • Cloud + On-Prem Systems: Strong experience in restricted enterprise environments
  • Kubernetes Debugging: Deep troubleshooting without full observability (logs, cgroups, thread dumps)
  • Enterprise Integrations: From telecom/media platforms to modern data security systems

Education

Bachelor's Degree in Computer Engineering

National Technical University of Ukraine (KPI)

Languages

  • English – Professional
  • Russian – Native
  • Ukrainian – Native

2026