SUMMARY:

• Experienced software developer and team leader, having a passion for building software products and software development teams.
• Planning and execution of complete life cycle of complex software development projects from initial vision to delivery to maintenance.
• Over 10 years of experience in software architecture and development using JAVA and J2EE technologies.
• More than 6 years’ experience in managing small (up to 5 people) development teams (SCRUM, Kanban).
• Scalable architectures, data warehousing, network applications, Unix/Windows

SKILLS:

Software Development, Systems/Solutions Architecture, Agile Development (Scrum/Kanban), Test Driven Development, Building Web Applications, Microservices, DevOPS, Cloud, REST/SOAP. Java/JavaEE, Spring Framework,.NET, C/C++, PHP, SQL, JavaScript Search Engines, MySQL, Microsoft SQL Server, NoSQL, MongoDB, Redis, ElasticSearch, Apache SOLR, Lucene, POSIX, XML, Ansible, Nginx, Apache, Tomcat, Amazon EC2, Linux, Docker, Python, Perl, CI/Jenkins/Github/Gitlab, Selenium,Jemeter

WORK EXPERIENCE:

Confidential, NYC

Principal engineer

Responsibilities:

• Guided delivery of new backend for online electronic library, ditched legacy unmaintainable platform. That raised customer usage volume by 30%, to 1000000 - page views monthly, 400 000 content views monthly. Primary technologies: PHP, Java, Spring Framework, Elastic Search, MongoDB, MySQL, Redis, AWS, Jenkins, Docker.
• Mentored increasing performance of web application to 300 requests/sec.
• Increased web application availability from 99.4% (~50 hrs downtime per year) to 100% (Zero downtime in last 3 years).
• Slashed costs of infrastructure for 85K per year, by servers consolidation and migration 30 servers to cloud. Technologies: AWS EC2/VPC, Ansible, Puppet, Jenkins, Zabbix.
• Introduced zero down time deployment for active/active cross regional setup application, leading to 100% application availability. MySQL 5.7
• Reduced losses from mass content download and resell by customers abusing access from ~50% to 8% per year, by architecting signal/action abuse detection system.
• Improved application performance by Custom CDN with caching and entitlements enforcement, Nginx+S3+ Cloud front and reduced costs from 25K to 7K per year.
• Architected Unix file system wrapper over S3. Technologies: C, WebDAV, Linux kernel drivers, Open Fuse.
• Architected one master to multi slave cross regional replication across S3 to close feature gap in AWS. Technologies: AWS SQS/S3, background Java8 service polling updates queue and propagating to slaves.
• Championed security, reducing number of critical security vulnerabilities per platform from 35 to 7 yearly per 2 million lines of code. Checkmarx/Whitehat, static code analysis triggered by continuous integration.
• Architected and guided delivery of Single Sign On with 300 customer organizations supporting 5 protocols, 400K authentications year. Technologies: SAML2, OpenSamlPHP, Java, proprietary protocols.
• Architected and guided Confidential compliance by concentrating all personal data in dedicated audited encrypted storage, accessible by overall platform only via gatekeeper. Protected personal data of 250K customers.
• Standards and Governance: implemented product wide best practices for continuous integration, automated deployment, information security.
• Assisted and provided technical guidance to automation of API’s and web applications regression and load testing.
• Introduced agile best practices in onsite and offshore team

Confidential, New York

Technical Project Manager

Responsibilities:

• Mentored maintenance project of refactoring Intranet application for managing a leading global investment firm portfolio.

Confidential

Software Architect

Responsibilities:

• Architected and mentored delivery and deployment to 83 locations across Russia a new version of a legacy document management system for a government department, resulting in reducing maintenance effort up to 30%.
• Architected and guided implementation of a highly scalable custom ecommerce system, supporting 2000 000-page views per day.
• Architected and guided delivery of innovative e-commerce-oriented security technology for a USA startup.
• Improved company’s standard development process to use Continuous Integration(Jenkins), Code Review & Automated Code Quality Inspection, resulting in reducing defects per 1000 lines of delivered code from 36 to 20.
• Lead distributed team across up to 3 locations.
• Trained 12 team leads to use Agile/SCRUM effectively and work with distributed teams.
• Trained more than 15 junior engineers on Java Spring Framework.
• Hired more than 25 new engineers and Team Leads.

Confidential

Senior Software Developer

Responsibilities:

• Provided architectural solutions for projects with key customer with mission critical infrastructure and high loaded systems.
• Architected and developed knowledge management system for telecommunication operators, serving up to 5 000 simultaneous intranet users.
• Architected and guided delivery high volume internet site for Russian job board.

Confidential

Software Developer/System Analyst

Responsibilities:

• Lead architecture and key component development of full featured document management solution. Most used technologies: Struts, Hibernate, Dynamic HTML, JBPM, MS SQL.
• Optimized architecture of the legacy document management product, resulting in 30% decrease of maintenance effort.

Confidential

Software Developer, System Architect

Responsibilities:

• Developed several internet projects for company clients, mostly using LAMP stack.
• Introduced home grown web application building framework, reduced effort to develop/maintain a web applications.