Sergey Kolesnikov Email and Phone Number
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Sergey Kolesnikov personal email
Software engineer with 15+ years of progressive engineering experience in mostly global enterprise environments. Practical experience in technical leadership, architecture, and hands on development of various software solutions: highly loaded and scalable microservice backends, BigData solutions, diverse system integrations. Large experience in the financial domain, but also participated in many others: telecom, ecommerce, geolocation, image recognition, gamedev. Proven record of hundreds successful production deliveries.Core Qualifications• Practical architecture & design experience in distributed highly loaded systems using various patterns and practices, some of them: DDD, EDA, CQRS, CDC, GOF, SOLID and others • AWS cloud experience with following services: API Gateway, RDS, Aurora, EC2, EKS (Kubernetes), ECR, EMR, MSK, S3, DynamoDB, DocumentDB, CloudWatch, Datadog, Terraform. • Complex SQL/NoSQL data modeling using: PostgreSQL, MsSQL, MySQL, Oracle, Redis, RediSearch, ElasticSearch, DynamoDB, DataStax (Cassandra), Hadoop HDFS, Hbase, Spark Sql (Databricks), MongoDB • My preferred languages are Java (Spring Boot / Vert.x / Quarkus) and Golang, but also proficient in many others: JavaScript, TypeScript, Python, C#, C++, PHP, Groovy, Kotlin, Bash, and others. • Hands-on 12+ years of web frontend development expertise using: React, Angular, ExtJS, Bootstrap, JQuery, HTML, CSS / SCSS, Ajax, Websockets, SSE • Extensive messaging implementations experience using Kafka, RabbitMQ, ActiveMQ, TIBCO EMS, SOAP, REST • Successfully integrated, setup SDLC and led international projects both Agile and Classic. • Experienced to work with cross functional teams and ambiguous requirements gathering to find effective solution. • Great hard and soft skills oriented on helping my team to deliver high quality results timely and efficiently.
Credit Acceptance
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- creditacceptance.com
- Employees:
- 2230
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Software Engineering ManagerCredit AcceptanceIrvine, Ca, Us
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Staff Software EngineerCredit Acceptance Aug 2023 - PresentSouthfield, Mi, Us
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Lead Software EngineerTradeblock Dec 2022 - Aug 2023Stamford, Connecticut, Ustradeblock.com -
Vice President Software EngineerGalaxy Feb 2022 - Dec 2022New York, Ny, UsResponsible for architecture and development of highly loaded distributed settlement process. Led Event Storming process across multiple teams to build a holistic view of event driven business process. Designed and applied following EDA architecture patterns: Domain Driven Design (DDD), Command Query Responsibility Segregation (CQRS), Event Sourcing, Saga. Performed cross team work to improve business process, designed and implemented new UI concepts to address handling of millions of records issue. Led product development strategy, and team technical management. -
Technical LeadCapital Group May 2017 - Feb 2022Los Angeles, Ca, UsLed and grown the team from 3 to 15 engineers due to exceptional quality for the customer. Implemented Agile & technical transformations in 50+FTE project. Significantly improved project performance by following categories: customer satisfaction, time-to-market, product quality, scope planning, metrics, DevSecOps and continuous improvements.Developed environments management tool, brokers quality assessment system and various trading system enhancements.Contract through the Luxoft company. -
Technical Lead ManagerDeutsche Bank Jan 2015 - Feb 2017Frankfurt Am Main, Hessen, De• Led architecture, design and development of the cross-system integration testing strategy which increased global early defects detection in more than 5 times and reduced QA efforts on 60+%.• Deep hands-on experience with Hadoop MR, HFDS, HBase, Storm, Spark, Oozie, Zookeeper, Pig, Impala, Parquet.• Improved product quality from 300 to less than 20 defects per release in a program of 100+FTE• Led team of 40 engineers and reduced client costs $2M annually by various automations, organizational and SDLC tuning• Was able to resolve conflict between client and my company that saved $1.5M revenueContract through the Luxoft company -
Lead Software EngineerDeutsche Bank Apr 2013 - Dec 2014Frankfurt Am Main, Hessen, De• Led 8 engineers team, introduced SDLC changes and automations which decreased number of defects from 45 to less than 5 by release.• Found a critical bottleneck and developed solution that dramatically increased performance of service from minutes to seconds processing time.
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Senior Software EngineerDeutsche Bank Feb 2012 - Mar 2013Frankfurt Am Main, Hessen, De• Successfully designed, developed and maintained crucial Hadoop job which was responsible for ingesting and modification petabytes of business data.• Successfully mentored 2 junior developers so they were promoted to regulars• Performed R&D and identified best UI web framework for project needs
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Software DeveloperLintech Apr 2010 - Feb 2012Rochelle Park, New Jersey, Us• Successfully designed, developed and maintained crucial Hadoop job which was responsible for ingesting and modification petabytes of business data.• Successfully mentored 2 junior developers so they were promoted to regulars• Performed R&D and identified best UI web framework for project needs -
Software DeveloperCentral Physics And Technology Institute Of Ministry Of Defense Dec 2008 - Apr 2010• Individually developed Geo-locational standalone application and e-commerce web application
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Junior Software DeveloperBuhexpert Jan 2006 - Dec 2008• Individually developed standalone application for the city transportation department
Sergey Kolesnikov Skills
Sergey Kolesnikov Education Details
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Southern Federal UniversityComputer Software Engineering
Frequently Asked Questions about Sergey Kolesnikov
What company does Sergey Kolesnikov work for?
Sergey Kolesnikov works for Credit Acceptance
What is Sergey Kolesnikov's role at the current company?
Sergey Kolesnikov's current role is Software Engineering Manager.
What is Sergey Kolesnikov's email address?
Sergey Kolesnikov's email address is sk****@****oft.com
What schools did Sergey Kolesnikov attend?
Sergey Kolesnikov attended Southern Federal University.
What skills is Sergey Kolesnikov known for?
Sergey Kolesnikov has skills like Java, Agile Methodologies, Java Enterprise Edition, Spring, Xml, Team Leadership, Web Services, Hadoop, Project Planning, Hibernate, Sql, Javascript.
Who are Sergey Kolesnikov's colleagues?
Sergey Kolesnikov's colleagues are D L Fernandez, Aniket Walimbe, Camille Rodeman - Cr Rodeman, Nick Elliott, Ramon Gomez, Igli Vokopola, Harvey M..
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