Java - 20524

Bad ass math

• Participated in development of http/sftp/tcp/iso8583/email/etc proxy applications
• Implemented multiple applications from design phase to making it being rolled out to all production environments
• Main technologies used: Java (Spring Boot/Hibernate), Python, AWS, Terraform,
• CircleCI, Kubernetes (Docker/Helm/Istio), Istio, AWS (Lambda/RDS/Athena/S3/EC2/Route53/ElasticBeanstalk/Kinesis/ElasticCache/ and many more) 

• Mainly I’m working as senior software engineer on two products and (these days on integration between them). First product - http://www.finixpayments.com/ - payments gateway service, second product - https://www.verygoodsecurity.com/ - secured proxy solution
• 80% of the time I’m coding. For the rest my responsibility varies from candidates interviewing, to customer onboarding, to memory leak debugging, to deployment, and others activities
• Main technologies used: Java 8, Spring Boot, Spring Security, Spring Integration, Spring Batch, Flyway, Hibernate, PostgreSQL, Redis, Ansible, Docker, Bash, Python, AWS (Lambda, Kinesis, S3, EC2, EBT, SQS, SNS, RDS, DynamoDB, etc...), Gatling, Spinnaker, Jenkins, CircleCI, Docker, Kubernetes, Istio, AWS - Lambda, RDS, Athena, S3, EC2, ElasticBeanstalk, 

• 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
• Mainly used following technologies: Spring 3.x, Spring MVC, JDBC, Spring JDBC Templates, Hibernate, Neo4j, Graph library Tinkerpop with Gremlin, Hazelcast, Zookeeper, Hadoop, Google Guava, HornetQ, Zookeeper, Hadoop, Spring Security, AOP, Google Protobuf, Artifactory 

• Developed resource to store and analyse DNA sequences
• Developed multiple rich UI tools based on HTML5 Canvas for fast and responsive DNA sequence manipulation
• Mainly used these technologies Google Closure library, JavaScript, HTML5 Canvas, Java, Stripes Framework, PostgreSQL, EclipseLink 

• 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
• Mainly used these technologies: Adobe Flex, JavaScript, Java, Hibernate, PureMVC Framework, Stripes Framework 

• 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 

• 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