Denis Otchenashko Email & Phone Number

San Francisco Bay Area

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, OpenSearch(Elasticsearch), 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.

Projects: Prism AI Analytics platform SaaS/PaaSMy function: Lead Projects; Develop Software Solutions; Document Projects; Mentor Subordinates; A full project life cycle in part of architecture, design, and implementation of a new generation stream processing SaaS/PaaS with deep cross-source historical analysis, machine learning, search based on time series and/or video/audio/sensors/... data flow transformations, furthermore continuous infrastructure improvements in part of CI, CD, EDQ, operational cost, performance, security, scalability and reliability... and design and/or programming OOP/OOD, ORM, sharded+partitioned [O]RDBMS, NoSQL, S3 routine, user notifications, a user rules engine, data lake, data export, billing components, etc. My architecture uses multiple plug-ins and is based on a unified interface adapter over Machine Learning(ML), NN, and Computer Vision(CV), etc, plug-ins are based on cloud services like AWS, GCP, MS Azure, IBM, Clarifai, 3rd party customer SaaS, and/or in-house made.Environment: AWS EC2, S3, EBS, ELB, and plug-ins like AWS Rekognition, Google Vision/AutoML, Clarifai, MS Azure Computer Vision and Kafka, Spark, MinIO, Django, django-cacheops, Redis, PostgreSQL / RDS/ AWS Citus Data(sharding+partitioning), PyTorch, OpenCV, darknet NN, REST, React.js, GraphQL, WebSockets(notifications), Boto3, and Python, C++, Java, Scala(less) and Sentry, Newrelic, ELK stack, Prometheus, Grafana and GitHub, Travis, CodeBuild and Singularity(legacy), Mesos(legacy), Zookeeper, Ansible, Terraform, Consul, Vagrant, VirtualBox, Nomad, Packer, Docker.

San Francisco, Ca, Usa

Projects: Prism Skylabs SaaS, Video Analytics for RetailMy function: Design, architecture, and implementation of a new generation visual processing system with deep historical analysis based on time series visual data flow and stream processing. Improve the most critical components in a legacy Prism Video Analytics platform. Times series processing with visual metadata(photo/video/heatmap...), batch and stream processing, ORM infrastructure optimization, performance optimization, scalability and reliability improvementsEnvironment: AWS S3, EBS, EC2, PostgreSQL(EC2+EBS), AWS RDS/ PostgreSQL/AWS Citus Data(sharding+partitioning), Redis, C++, React.js, Python, Django/Celery, MinIO, Kafka, Spark, Mesos, Singularity, Docker, Vagrant, VirtualBox, Salt

Santa Clara, Ca, Usa; Sunnyvale, Ca, Usa

Global Products Development (GPD), Camera TeamProjects: High Dynamic Resolution(HDR) framework, Image Quality Assets Management SystemMy functions: Prototyping, design/architecture, and implementation for HDR framework and integration components for a distributed Image Quality Assets Management SystemEnvironment: Android/Ubuntu, C/C++/Java, Web frontend, PostgreSQLProjects: Image Quality Assets Management System, smartphones bring ups, HLR systemMy functions:Prototyping in part of Image Quality Assets Management System, developing components for an HLR system meta info aggregation, volume quantization, and minimization, grouping faces by similarity, etc.; FR accuracy statistics framework for photos and videos.Environment: Android/Ubuntu, C/C++/Java, PostgreSQL/SQLite

Sunnyvale, Ca, Usa

Massive Parallel Face Comparator(MPFC): a universal scalable cross-platform face comparison framework for Face Recognition; Business Flow Gateway(BFG) metadata routing, persisting, RDBMS design and tuning, meta info aggregation, volume quantization, and minimization, grouping and tagging faces by similarity, etc.; requirements, documentation, UML, DB schema/scripts, ORM, services. Audio/video/text metadata processing and fusion. Environment: Android/Ubuntu, C/C++/Java, Boost, make, junit, maven 1.x/2.x, SVN, Eclipse, Jira, Continuum, Wiki, Redmine,TeamCity Enterprise

Kyiv, Ukraine

Project:Computer Vision(CV) & Face Recognition(FR), Tagging & Augmented Reality projects, Image Quality projects, and SaaS/Android solutions.My function:Business Flow Gateway(BFG) metadata routing, persisting, RDBMS design and tuning, meta info aggregation, volume quantization, and minimization, grouping faces by similarity, etc.; Statistic framework to check FR accuracy for photo and video; Massive Comparator: universal scalable face comparison framework for Face Recognition; Massive Face Similarity Search(MFSS) system (a N-tier clustered architecture): requirements, UML, DB schema/scripts, ORM, Java services. audio/video/text metadata processing and fusion. Automatic Speaker Recognition/ Separation using technical analysis over MFCC. 32-64-bit implementations for a native code, integration with Java. video and audio processing. AV processing speed optimization. AV decoding/encoding. NVIDIA CUDA prototyping for recognition purposes. The first pipeline production version.Environment: Windows/Linux Ubuntu Assembler/C/C#/C++/Java/ NVIDIA CUDA, PostgreSQL 8.X, WPF, Boost, PowerDesigner 12.5, Hibernate 3.X, SOAP/WSDL, axis2 1.4.1, Spring 2.X, jetty 6.1, Google Protocol Buffers 2.0.2, Sphinx 4.0, ffmpeg, lame, mencoder, make, ant 1.7, junit 3.8, maven 1.x/2.x, SVN, Eclipse, Jira, Continuum, Wiki 3.2.1, Redmine 1.4.0, TeamCity Enterprise 6.5.1.

Projects:Automatic Trading System, New Client, and Data Distribution(DD) systems. An RT clustered heterogeneous N-tier client-server distributed system to interact with exchanges. Data Processing Engine (DPE). DD to get exchanges' data and an order routing system (ORI) to route to exchange. Customized UI/Windows/Widgets Frameworks for UI & business layers.My function:Requirements, architecture with a low coupling, design/implementation, integration: DPE to process RT data and make a technical analysis; UI/Windows Management/Business frameworks; a client-side for ORI (Accounts, Orders, Transactions, Positions, Trades, Fills...) to exchange and a risk management system; Requirements/design fully/partially for ORI, DPE, UI/Business frameworks. TL/TTL team 6 developers.Environment: Windows XP/2000, MS SQL 2005, .NET Framework 1.1/2.0, MS Visual Studio 2003/2005, C++, C#, Sparks Enterprise Architect 4.5, TSP/PSP, CQGenie(Seibel v. 2000), NAnt, NUnit, TestDriven.Net, NCover, CruiseControl.Net, CVS.

Projects:Forecast and billing systems for Delta Technology (subs. Delta Air Lines) backend+frontend. New systems, but GUI design and outer interfaces have to be frozen like in legacy systems. N-tier architecture & B2B. My function:Client and server sides(C#/C++) billing processing components. Partial/full implementations for a framework (C++/C#): DB abstraction, own object-relational mapping (ORM), business/logging layers. Port from Sybase/Solaris to Oracle/HP-UX, data transfer ETL, SQL, and shell scripts for the new DB scheme. GUI/processing for a transaction adjustment. Model and Test Driven Architecture MDA/TDA using XSLT code generation from DB XML model into C++/C# ORM code + automatic UT, functional tests, and regression tests generation based on MDA/TDA (HP-UX/C++/Xalan). DB model synchronization after an ORM framework update. Environment: HP-UX/Windows XP, Oracle 9i/Sybase 11x/12.5, C++ (aCC HP-UX/Visual C++ WIN), XML/XSLT(Xalan, .NET Framework), OCCI, Pro C/C++, PL/SQL, ADO.Net, C#, Microsoft.Net, Rational Rose 2003, Erwin, PowerDesigner 9.5, make, CVS, gbd, shell scripting, SourceSafe and nant.

Project: National smart card payment system (NSMEP).NSMEP: ACH, processing, banks, smart cards, and security systems; peripheral device (ATM, BST/POS/PC/Internet terminal). NSMEP is based on a multi-member scheme and uses e-check/purse on/off-line transactions. Each member has an N-tier architecture with a front-side multi-homed security server (SA), application server(AS), and RDBMS. Cooperation UNIX IP-filtering + SA + hardware security module (HSM) produces an expert-level firewall and screened network. My functions:SSDLC and EDQ for Unix/WIN32 multi-threaded servers(SA, AS) with a scheduler, TCP/IP, CORBA, runtime dynamic configuration, secured logging and log parsing, and interface to DB. A clustered system + integration with N x SA/AS and DB software. testing/certifying/maintenance 10+ contractors and 30+ banks/processing. Environment: CORBA (ACE+TAO), TCP/IP, multithreading, Unix/WIN32, GNU/ Visual C++, PowerDesiner 7.5, Rational Rose, Sybase 11.9.2/12.X, Oracle 8.X, TripleDES, RSA, MD5, SHA1, etc.

A HW-SW security complex.

Projects: A CAM system for the glass-manufacturing plant; a radiation monitoring system for a Chornobyl nuclear power plant and its exclusion zone; a HW Interface from a cardiograph to a PC; and an alarm system.My function: Building up hardware + testing + modeling etc.Environment: Standard IT laboratory with testing stands.

Master Of Computer Science

Bachelor Of Computer Engineering

Radio Engineer Class 3