Denis Otchenashko

About Denis Otchenashko

Summary- An experienced and hands-on architect involved in the architecture, design,…

Experience

1. Senior Architect

   Leia Inc.

   Jun 2021 — Present · San Francisco, CA, US

   Projects: multiple 3D light-field holographic HW/SW solutions like SaaS/PaaS, core platform/application/microservices, Android/Web applications, Ml/CV/AI, HW/SW ecosystem, libraries, a reusable cloud platform & infrastructure, retire tech debt to a Data Mesh architecture. My functions: Develop SW Architecture/Solutions; Legacy projects to new architectures; Documentation; Close interaction with stakeholders, TPMs, Dev(mobile, full-stack, and backend), designers, DevOps, QA, an AI/ML/CV team, and 3rd party vendors worldwide on multiple projects. A full project life cycle in part of architecture for a new generation stream processing SaaS/PaaS based on Service and Data Mesh based on plug-in-adapter SW modules for cloud platforms like AWS, GCP, and 3rd party SaaS. Continuous infrastructure improvements in part of operational cost, performance, etc. OOP/OOD, DB [O]RDBMS/NoSQL/Text Search/S3, user notifications, reporting, billing components, etc. Cloud services/SaaS/PaaS: LeiaFlix 3D Video On Demand(VOD)/Digital Right Management(DRM) & Customer Access Protection(CAP), Content Delivery Network integration; SaaS/PaaS Photo/Video 2D/3D transformation and conversion services and REST/GraphQL Gateway API for Leia or 3rd party customers; payments microsiervice & Stripe + Avalara integration; Account Profile, Keycloak, OIDC, OAuth, SSO, Federated Login, Security Identity, FireBase Auth; 3D Video Chat Chime/Zoom Video SDK based; Storage, Analytic, APM, Reporting etc. Environments: Linux/Android/iOS/Windows, AWS Route53(DNS), ELB, CloudFront(CDN), Elemental MediaPackage, SPEKE, Insys VT DRM + CAP, RDS(PostgreSQL, MySQL), DAX + DynamoDB, Open/ElasticSearch, Astrononer(Airflow), AWS Chime/Zoom Video SDK, EC2, S3, EBS, ELK, Confluent Kafka, Registry, protobuf, Redis, OpenGL, PyTorch, GraphQL, REST, Node.js, Push Notification WebSockets, JavaScript, Python, C++, Java, Kotlin, Flutter, Sentry, Prometheus, Grafana, GitHub, Zookeeper, Terraform, Kubernetes/K8s, Docker etc.

Education

• National Technical University of Ukraine 'Kyiv Polytechnic Institute'​

  Bachelor of Computer Engineering

  1992 — 1996

• Radio electronic college

  Radio engineer class 3

  1989 — 1990

• National Technical University of Ukraine 'Kyiv Polytechnic Institute'​

  Master of Computer Science

  1992 — 1998

Skills

• Multithreading
• Stl
• Oop
• C++
• Database Design
• Design Patterns
• High Performance Computing
• High Reliability
• Enterprise Architecture
• Requirements Analysis
• Hibernate
• Orm
• Relational Databases
• Smart Cards
• Billing Systems
• Futures
• Java
• C#
• Scalability
• Software Design
• Electronic Trading Systems
• Subversion
• Uml
• Wpf
• .net
• Sql
• Visual Studio
• Software Development
• Jira
• .net Framework
• Databases
• Distributed Systems