Denis Savenko

Denis Savenko Email and Phone Number

Head of Infrastructure and Security at Tonic Health @ Tonic Health, part of R1 RCM
chicago, illinois, united states
Denis Savenko's Location
Ukraine, Ukraine
About Denis Savenko

My goals:Long-time work on an interesting project(s). Application of development process building skills. Application of new technologies to development and improvement of the product(s) in order to to achieve the business objectives of the company and make a profit.Improving yourself as a leader of the development team and as IT-specialist. Acquisition of useful skills from other team members and share my own knowledges.Skills:Languages:• PHP – 6 years, work with ZF and Symfony 2, OOP, DDD• JavaScript – 5 years, frameworks: ExtJS (Sencha), Ext.Core, Mootools, prototype, jQuery• HTML, CSS – 6 лет, HTML5, CSS3, DHTML/XHTML• Shell – average knowledges, console tools development• Perl, C/C++/C#, Java, Python – general knowledges• SQL – DDL, DML, at most work with MySQLDatabases:• MySQL – 6 years, MyISAM, InnoDB, XtraDB (Percona) – database design, normalization/denormalization, query design and optimization, administration and settings tuning• PostgreSQL, SQLite – general knowledges• MongoDB – 2 years, database design, sharding, aggregation framework, map-reduce• Memcached, Redis – 5 years/2 years, database design, caching, tagged cache, administrationMessage queues:• RabbitMQ – routing, clusterization, sharing• ActiveMQ, MemcacheQ – work with queuesSearch engines:• Solr (2.x, 3.x, 4.x) – 3 years, index design, sharding, replication, administration• Sphinx (1.x, 2.x) – 4 years, index design, sharding, replication, administrationVersion control systems:• Mercurial• Svn• GitAdditional skills:Experience with graphics editors (Adobe Photoshop / Ilustrator, Gimp, etc).Experience with e-commerce, electronic stores, integration with payment systems and third-party services.Experience with Amazon Web Services: S3, CloudFront, SES, EC2.Unix-servers administration experience: building a clusters of web servers with a focus on maximizing the availability of high-loaded systems.Experience with BigData: Hadoop, MapReduce, Hive

Denis Savenko's Current Company Details
Tonic Health, part of R1 RCM

Tonic Health, Part Of R1 Rcm

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Head of Infrastructure and Security at Tonic Health
chicago, illinois, united states
Employees:
66
Denis Savenko Work Experience Details
  • Tonic Health, Part Of R1 Rcm
    Head Of Infrastructure And Security
    Tonic Health, Part Of R1 Rcm 2020 - Present
    Kyiv City, Ukraine
  • Tonic Health, Part Of R1 Rcm
    Head Of Infrastructure
    Tonic Health, Part Of R1 Rcm Apr 2016 - Jan 2020
    Kyiv City, Ukraine
  • Evoplay
    System Architect
    Evoplay May 2013 - Mar 2016
    Kyiv
    • High-loaded applications research, development and architectual design.• Security analysis and DDoS protection/counteraction.• Technical consultations• Development process management• Release-management and release planning
  • Aukro Ukraine Llc
    Lead Web-Developer
    Aukro Ukraine Llc Jan 2013 - Apr 2013
    • Development for vcene.ua project• Security analysis• High-loaded distributed applications design and development• Code analysis and code-review • Development process management• Analysis and optimizaion of company projects• Team consultations
  • Aukro Ukraine Llc
    Head Of Development Sector
    Aukro Ukraine Llc Oct 2011 - Jan 2013
    • Development for vcene.ua project• Security analysis• High-loaded distributed applications design and development• Code analysis and code-review• Team SCRUM-master role • Task estimating and development planning• Development process management• Release-management and release planning
  • Aukro Ukraine Llc
    Teamlead
    Aukro Ukraine Llc May 2010 - Sep 2011
    • Company projects development (main project – vcene.ua)• Security analysis• Code refactoring and optimization• High-loaded distributed applications design and development• Code analysis and code-review• Team SCRUM-master role• Task estimating and development planning• Release-management
  • Freelance
    Web-Developer
    Freelance Jun 2007 - Apr 2010
    • Full-cycle development for intranet (CRM, billing systems, etc)• Module development for Magento-based web-sites• Module development for different CMS (including payment modules for WebMoney, Visa/MasterCard, etc)

Denis Savenko Education Details

Frequently Asked Questions about Denis Savenko

What company does Denis Savenko work for?

Denis Savenko works for Tonic Health, Part Of R1 Rcm

What is Denis Savenko's role at the current company?

Denis Savenko's current role is Head of Infrastructure and Security at Tonic Health.

What schools did Denis Savenko attend?

Denis Savenko attended National Mining University, Dnipropetrovsk.

Who are Denis Savenko's colleagues?

Denis Savenko's colleagues are Jessica Shanks, Shigeko Calos-Nakano, Fadel Omarr, Svitlana Saroka, Igor Bezverkhiy, Victoria Danza, Vitaliy Zhuk.

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