Cloud Developer with Go or Strong Java Experience and AWS
2020 - 2021AT&T- Helped the team to implement and deliver business requirements in the U-verse content registration system.
- Designed and implemented development and production support tools and utility code to simplify and speed up production operations resulting in saving about 20 person-hours a week.
- Participated in team development plan discussions and helped manage team load more effectively.
Technologies: Go, Java, Linux, Docker, AWS S3, AWS Lambda, Amazon SQS, AWS Push Notification Service (AWS SNS), AWS CloudWatch, TerraformJava Developer
2020 - 2020Caterpillar- Studied the application architecture and infrastructure.
- Designed and developed a new back-end data processing application as part of the company data processing system.
- Built and programmed data processing functionality and integration with the existing data processing interfaces.
Technologies: AWS, Java, Apache Kafka, AWS KinesisData Migration Architect
2019 - 2020Spin- Analyzed current application and data architecture.
- Researched potential future architecture that matches business requirements and application demands.
- Proposed an optimal data migration solution from one Heroku platform to AWS.
- Researched, tested, and implemented one-directional data synchronization with Bucardo. Set up such synchronization on all databases in all environments.
- Prepared, designed, and provisioned future databases for all environments on AWS.
- Set up, supervised, and monitored actual data migration from Heroku to AWS. Successfully migrated all lower environments.
- Researched further data synchronization with Fivetran technology to an analytical database. Prepared step-by-step instructions for migrating said synchronization from Heroku DBs to AWS DBs in all environments.
- Prepared documentation, how-tos, diagrams, and presentation on a matter of my research and proposals. Supported and maintained such documentation.
- Participated in design and architectural reviews.
Technologies: Data Migration, Global, CockroachDB, PostgreSQLAWS Developer and Consultant
2019 - 2019ToxStrategies- Set up and configured the full website infrastructure on AWS, using Elastic Beanstalk and Spring Boot application.
- Set up and configured R server in AWS EC2 instance.
- Designed and programmed a Spring Boot web application with AngularJS client-side event management.
- Constructed and programmed a back-end application to process user input and generate reports and outputs.
- Built and configured a Java back end to R Engine Interface.
- Programmed and debugged an R script to compute data and generate reports.
Technologies: AWS, AWS EC2, RJava Developer
2019 - 2019Addteq, Inc.- Built an in-house analog of the Einstein and Firebase service with WebSocket and STOMP protocols, as well as STOMP token authentication, subscription, messages, and topics.
- Integrated the in-house service with Confluence Excellentable plugin for a collaborative editing feature.
- Supported migration from the existing architecture to a newly created functionality.
Technologies: Stomp.js, Ajax, Apache Velocity, HTML, JavaScript, Confluence, Authentication, Spring Boot, STOMP, WebSockets, JavaJava Developer
2018 - 2019NextCapital- Researched the company's current application architecture.
- Modified the existing application, created new functionality, and enhanced existing functionality.
- Maintained the application in production, fixed bugs, and supported deployment.
Technologies: Java, XML, SOAP, Integration, JUnit, WSDLWeb Application Architect and Developer
2018 - 2019Linksbridge- Designed and developed a single-page rich web application.
- Built and supported complete cloud infrastructure.
- Set up the database and designed data schema per business requirements.
- Constructed an R back-end server; designed and developed an R application for processing large data documents.
- Implemented UI and UX with input from the graphical interface designer.
- Analyzed business needs and technological capacity; proposed the most optimal solutions to ongoing problems and tasks.
Technologies: CSS, SQL, Java, HTML, jQuery, jQuery EasyUI, AngularJSDevOps
2018 - 2018TransBit LLC- Researched the company's AWS infrastructure and architecture.
- Configured and enhanced the application's deployment automation with AWS CodePipeline and Jenkins.
- Configured and enhanced AWS RDS database monitoring.
Technologies: AWS, AWS EC2, AWS ELB, AWS Auto-scaling, AWS RDS, Continuous Delivery (CD), AWS CodePipeline, AWS CodeDeploy, AWS CodeBuild, Apache Tomcat, Java, AWS CloudFormationSoftware Architect and Developer
2017 - 2017Mad News Ltd.- Analyzed the company's current infrastructure and architecture.
- Researched the company's MySQL database usage and application design.
- Devised future Redshift and Dynamo DB-based architecture.
- Prepared a MySQL to Redshift transition plan for the application and data.
- Supervised and supported the actual MySQL to Redshift transition of the application and data.
Technologies: Java, Redshift, SQL, AWS, AWS EC2Java Developer
2016 - 2016Danfoss Turbocor Compressors (via Toptal)- Analyzed existing code and solutions.
- Found the source of a performance discrepancy in different input data cases.
- Recommended solution approaches with corresponding implementation time and effectiveness.
Technologies: Profiling, JavaArchitect and Development Lead
2009 - 2016FINRA- Architected a complete system, including data processing modules, component framework, and infrastructure for logging, monitoring, and control.
- Designed and enforced the automated project lifecycle: build, test, and deployment.
- Established and enforced development best practices.
- Maintained overall product architecture consistency and clarity to support intuitive development and easy product evolution.
- Created and maintained technical and user documentation.
- Researched AWS Elastic MapReduce technology (web GUI and command-line interfaces).
- Developed Elastic MapReduce jobs capable of using Amazon S3 storage as input and output source.
- Analyzed the existing stream of event processing solutions in a market and evaluated them against desired system qualities to find the best-suited product and framework for a project.
- Architected a system POC version and supervised implementation.
- Designed and implemented high availability data storage and data processing systems. That includes utilizing data storage supporting sharding technology, data and application clusters, high availability data storage, and multi-AZ deployment.
Technologies: Amazon Web Services (AWS), AWS, Performance Optimization, Parallel Programming, Web Services, Big DataBusiness Intelligence Architect and Developer
2008 - 2009Cambridge Interactive Development Corporation- Adapted an existing Java-based data load application for the Netezza database, making the first generation of Netezza data warehouses operational.
- Developed a data load application for corporate data warehousing using Data Integrator, increasing load speed four times, which was a critical achievement to support the data delivery service-level agreement.
- Designed data marts and studied, troubleshot, and configured a company-wide scheduling system.
- Parallelized and optimized schedule implementation, decreasing load time span by around 50%.
- Configured the load-balancing environment for a scheduler and ETL tool.
- Optimized corporate-wide ETL operations, cutting the overall load time in half.
Technologies: Perforce, CVS, Data Integration, SAP BusinessObjects (BO), MySQL, Netezza, Oracle, IBM Informix, JavaJ2EE Architect and Developer
2005 - 2008Liberty Travel- Analyzed application requirements and communicated with the business analyst.
- Architected and developed application modules.
- Integrated with a third-party application API.
- Designed and developed a web-based user interface.
- Designed a complex data matching algorithm for integrating with the external system.
Technologies: Oracle, XML, Servlets, JSP, Apache Struts, Enterprise Java Beans (EJB), Jakarta EE
Architecture Developer in Clarksburg, MD, United States
Member since June 25, 2014
Tim is a software architect and developer with a proven ability to develop efficient, scalable, and fault-tolerant server solutions for complex problems. He has excellent analytic abilities and extensive experience with big data real-time processing, server solutions, and web services.
Tim is now available for hire
Portfolio
- AT&TGo, Java, Linux, Docker, AWS S3, AWS Lambda, Amazon SQS...
- CaterpillarAWS, Java, Apache Kafka, AWS Kinesis
- SpinData Migration, Global, CockroachDB, PostgreSQL
Experience
- SQL 20 years
- Java 20 years
- Architecture 15 years
- Big Data 10 years
- Distributed Systems 10 years
- Distributed Computing 5 years
- AWS Cloud Architecture 5 years
- Parallel Computing 5 years
Availability
Part-time
Preferred Environment
Eclipse
The most amazing...
...thing I've delivered is a real-time market data analytic system on Storm cluster.
Employment
Experience
- Anagrammer Website
Designed and implemented back-end engine to find word anagrams for multiple languages as well as many other word games on this site.
- Enterprise Architecture Inventory Application
A thick client single-page web application that extensively uses Ajax, AngularJS, and JavaScript to save and update information on the web page, control the UI flow, refresh the layout in response to user events, etc.
I designed and built a complete application from back to front: AWS environment, database, data schema, back-end layers, front-end design and functionality, event processing, UI libraries, graphical libraries, CSS, and styles. - International Health Data Processing Web Applicationhttps://ppa.linksbridge.com
A thick client single-page web application built with AngularJS, JavaScript, jQuery, and Ajax. It provides user security and a wizard application for data entering and modifying as well as output generation. It works in close relation with the R back-end server to load and calculate output data.
I am the sole architect and developer of a complete solution from back to front: AWS environment, database, data schema, back-end layers, front-end design and functionality, event processing, UI libraries, graphical libraries, CSS, and styles. - Eight Rules for Effective Software Production (Publication)While working at different stages of the software development lifecycle you often realize that software production isn’t easy. It takes consistent effort to make something great. However, it doesn’t have to come at the cost of working through nights or weekends. In this article, Toptal Freelance Software Engineer Timofey Nevolin shares eight simple, yet powerful rules for effective software production.
Skills
Languages
SQL, R, Java, HTML, JavaScript, PHP, C++, XML, CSS, Go, WSDL, Scala, PythonFrameworks
Spring Boot, Spring, AWS EMR, Spring MVC, Spring 4, AngularJS, Storm, Apache Struts, JSP, Apache Velocity, Apache Spark, JUnitLibraries/APIs
jQuery, jQuery EasyUI, Amazon API, AWS EC2 API, Stomp.jsTools
AWS CodeBuild, AWS CloudFormation, AWS CodeCommit, AWS CodeDeploy, Maven, CVS, Perforce, Confluence, Amazon SQS, AWS Push Notification Service (AWS SNS), AWS CloudWatch, Terraform, AWS ELB, Apache TomcatParadigms
Distributed Computing, Model View Controller (MVC), Concurrent Programming, Linear Programming, Evolutionary Database Design, Business Intelligence (BI), Parallel Computing, DevOps, Microservices, Microservices Architecture, Parallel Programming, STOMP, Continuous Delivery (CD)Platforms
AWS EC2, Java EE, AWS Elastic Beanstalk, Oracle, Amazon Web Services (AWS), AWS Lambda, Docker, Linux, Jakarta EE, Eclipse, Apache Kafka, AWS KinesisStorage
Greenplum, PostgreSQL, Redshift, MySQL, Netezza, Distributed Databases, AWS S3, Cassandra, IBM Informix, Data Integration, CockroachDBOther
Architecture, AWS Cloud Architecture, AWS Certified Solution Architect, Algorithms, Multithreading, Decision Analysis, Optimization, Linear Optimization, Performance Optimization, Decision Trees, Software Architecture, Team Mentoring, Technical Project Management, Web Development, Sharding, Distributed Systems, Disaster Recovery Plans (DRP), Big Data, Big Data Architecture, System Architecture, Data Engineering, Data Warehousing, Cloud Microservices, AWS DevOps, Cloud, AWS CodePipeline, Machine Learning, Artificial Intelligence (AI), Linear Algebra, Web Services, AWS, SAP BusinessObjects (BO), Servlets, Profiling, WebSockets, Authentication, Ajax, Video Streaming, Global, Data Migration, IT Project Management, Physics, Relational Database Services (RDS), Software Development, Software Development Lifecycle (SDLC), AWS Auto-scaling, AWS RDS, SOAP, Integration, UI, Enterprise Java Beans (EJB)
Education
- MBA Degree in Management Information Technology – IT Project Management2007 - 2009Western Governors University - Salt Lake City, UT
- University Degree in Experimental Particle Physics1990 - 1995Novosibirsk State University - Novosibirsk, Russia
Certifications
- AWS Associate ArchitectJANUARY 2011 - JANUARY 2013AWS
