Zinovii Dmytriv

About

An energetic Software Developer specializing in intuitive and innovative web applications with extensive experience in user-centric development built around websites relying on rich database driven-backends and cross-platform applications.

Experience

• Senior Software Engineer · Cloud Posse01-01-2023

  - Worked on a variety of projects mostly as an individual contributor - Implemented automatic terraform modules/GHA documentation gathering - Implemented paywall system - Worked on reference architecture scaffold project - Implemented a bunch of open-source GitHub Actions - Stack: Python | NodeJS | Terraform | AWS | Spacelift | GitHub Actions | Docusaurus

• Senior Software Engineer | Principal Engineer · Very Good Security (VGS)01-01-2017 – 11-01-2022

  - At first developer at Core Team. Participated in development of http/sftp/tcp/iso8583/email/etc proxy applications and all related satellite applications - Later individual contributor. Worked on multiple POC/MVP and architectural designs. Participated in complex data migrations and migrations to k8s. Devops related work. - Implemented multiple applications from design phase to making it being rolled out to all production environments - Stack: Java (Spring Boot) | Python | AWS | Kubernetes (Docker/Helm/Istio) | Terraform | Nginx | PostgreSQL | Redis | InfluxDB/Prometheus | CircleCI | REST/grpc

• Finix Payments · Finix Payments02-01-2016 – 01-01-2017

  - 80% of the time - coding. For the rest my responsibility varies from candidates interviewing, to customer onboarding, to memory leak debugging, devops work, to deployment, and others activities - Also was responsible for integration with Very Good Security (see project above) - Stack: Java (Spring Boot) | Python | extensive use of AWS services | Docker | Nginx | PostgreSQL | CircleCI | Ansible | Gatling

• Senior Software Engineer | Team Lead · Tidemark09-01-2013 – 02-01-2016

  - Successfully lead team which delivered various features from design to production - Worked on design, implementation, and, testing of new filters in multidimensional query analysis & planning for generating interactive financial reports for planning & analytics - Built Business Methods framework that will allow user to run custom scripts on backend by configuring on UI - Built Packaged Application feature that will allow user to export application into repository and install it for various tenants - Built security into OLAP queries - Stack: Java (Spring) | PostgreSQL | Neo4j | AWS | Tinkerpop/Gremlin | Hazelcast | Hadoop | Artifactory | Jenkins

• CTO | Co-founder | Senior Engineer of everything · SparkDNA Inc07-01-2012 – 09-01-2013

  - Developed resource to store and analyse DNA sequences - Developed multiple rich UI tools based on HTML5 Canvas for fast and responsive DNA sequence manipulation - Stack: Java (Stripes Framework) | JavaScript | Google Closure Library | EclipseLink | PostgreSQL | HTML5 Canvas | Jenkins

• Senior Frontend Engineer · DIIO (now part of Cirium)10-01-2010 – 07-01-2012

  - Implemented multiple application for big data visualization as Charts and Maps - Implemented unique responsive VectorMap library for data visualization - Implemented multiple (30+) rich custom UI components for dashboards - Stack: Adobe Flex | JavaScript | Java | Hibernate | PureMVC | Stripes Framework

• Senior Backend/Frontend Engineer · Joint BioEnergy Institute (JBEI), Lawrence Berkeley National Laboratory, Berkeley, CA07-01-2008 – 10-01-2010

  - Team lead on web based project JBEI Registry. Registry of biological DNA parts - BioBricks - Lead developer on Open Source, web based, cross platform and cross browser DNA sequence editing and analyzing tool using Adobe Flex 3 - 4, WSDL, BlazeDS, PureMVC - Owner and main contributor to three Open Source bio projects vectoreditor, bioflex, gd-ice hosted on code.google.com - Designed and implemented backend/frontend using Python with Django, MySql, WSDL services - On support for previous scientific employer on volunteer bases predictioncenter.org - Stack: Java | Python | Adobe Flex | BlazeDS | MySQL | PureMVC | Stripes Framework

• Senior Engineer of everything · Prediction Center, University of California, Davis08-01-2006 – 07-01-2008

  - Lead developer on 2 desktop projects for protein structures comparison, analysis and visualization - Lead developer of the 4 web projects for receiving, processing, comparing and visualization of more than 100,000 protein structure models - Designed 5 database schemas for PostgreSQL and MySQL; programmed database connectivity using Perl, PHP and C - Administered Linux cluster of 15 computation, 3 web, 1 storage servers - Developed new algorithms that help advance methods of identifying protein structures from amino-acids sequence - Improved old protein processing programs by 50% using memory management technologies, efficient algorithms and data structures - Architected web databank of protein models at various levels of accuracy - Stack: Perl | PostgreSQL and MySQL | C/C++ | Linux

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