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Denis Sazonov

Senior Go(Golang) Developer
Georgia, Tbilisi

Objective

As an experienced backend software engineer, my goal is to contribute my expertise to a dynamic and innovative team, and to work on exciting projects that challenge me to continuously grow and learn. With a strong background in Fintech, Gaming and Distributed Architectures, I am confident in my ability to design and develop scalable, reliable software solutions that meet and exceed business requirements. I am seeking a role that offers opportunities for professional development, collaboration, and creativity.

Education

  • Master Degree. IT, Microcontrollers/processors development and programming. Moscow Power Engineering Institute.

Languages

  • Russian - native
  • English - B2

Areas of interests

  • Fintech, Games, AI, Blockchain
  • Go(Golang)/Kotlin/Java/Javascript/Typescript
  • Microservice based and distributed architectures, docker, k8s, high load
  • Cloud infrastructure GCP, AWS, DO

Professional Experience

  • Playhub
    iGaming development and consultations
    Lead Back end Developer, Full-time [January, 2023 - now]
    I'm working on the core platform, architecture, CI/CD and games logic including high load multiplayer games. 3rd party integrations, payment gateway, public API, documentation.
    Technologies: iGaming, Go, Postgres, Redis, Kafka, Websockets, GRPC, GitHub, GCP.

  • Klever Thoughts Inc.
    Software development and consultation for surveillance industry.
    Lead Full Stack developer, Part-time [October, 2017 - December, 2023]
    I created a full pack of editors/tools for surveillance industry, including customer management portal, video processing desktop applications and ML for image recognition. Helped to start a company from scratch.
    Technologies: Video processing, Adobe Air, Go, C, FFmpeg, Bitbucket, Windows, OSX.

  • finmid
    Fintech company in B2B credit card, BNPL area.
    Back end developer, Full Time [March, 2022 - January, 2023]
    Successfully shipped merchant logos, real-time scoring and different backoffice risk-related improvements as a DRI for fintech credit card product. Worked on initial version of platform public API.
    Technologies: Fintech, Kotlin, Java, Spring Boot, Go, Postgresql, AWS, Kafka, Terraform, Github.

  • Fondy
    Neobank, B2B.
    Back end developer, Full Time [September, 2021 - March, 2022]
    I implemented QA API from scratch for complex fintech neobank and integrated into existing CI/CD process. Worked on initial version of Clearbank simulator and infrastructure.
    Technologies: Fintech, Java, Spring Boot, Go, GCP, Postgresql, Redis, PubSub, Bitbucket.

  • Talent Funnel
    Applicants tracking system for HR agencies.
    Full stack developer, Full Time [June, 2020 - October, 2021]
    I worked on external integrations (payroll providers and additiona services). High load, distributed/microservices based system.
    Technologies: ATS, Kotlin, Java, Spring Boot, Go, GCP, MongoDb, Redis, RabbitMQ, Bitbucket.

  • Tangelo Games, Israel
    Facebook based online casino platform with different games.
    Back end developer, Full Time [March, 2016 - July, 2019]
    I worked on refactoring existing solution from Smartfox to Smartfox 2, migrating it from IBM to AWS.
    Implemented new API for Unity based client. Up to 5000 CCU and 1k rps. I worked on initial version for BI.
    Technologies: iGaming, Java, Go, Mysql, Smartfox, Jenkins, Docker, AWS, Git.

  • Cristian Filipina
    Dating portal with web and mobile applications including voice and video chat.
    Full stack developer, Full Time [February 2014-October 2016]
    I worked on providing a complete solution for a whole dating portal, including back end, web, mobile applications. Text,video chats, profiles matching etc...
    Technologies: Java, JavaScript, Postgresql, Adobe Air, Adobe Flex, Red5, Wowza, BitBucket.

  • TopDog
    International flights/accomodation booking portal.
    Back end developer, Full Time [January 2012 - February 2014]*
    I created custom DevOp CD/CI and monitoring tools.
    Technologies: Java, Postgresql, Git.

Skills and Proficiencies

  • Java - 8 years
  • Kotlin - 4 years
  • C - 4 years (mostly native functionality for different projects)
  • Go(Golang) - 3 years
  • Javascript/Typescript - 2 years
  • SQL(Postgres, Mysql) - 6 years
  • MongoDB - 2 years
  • Redis - 2 years
  • Docker, k8s, helm - 4 years
  • GCP (Cloud Run, Functions, GKC, SQL, PubSub) - 3 years
  • AWS (ec2, s3, Kinesis, SQS, SNS, EKS, RDS, Lambda) - 3 years
  • Kafka, RabbitMQ - 3 years
  • Intellij IDEA, VS Code - 8 years
  • node.js, React.js, GraphQL, Grpc, OpenAPI (swagger), web sockets - 3 years
  • testify, mockify, gomock, logrus, go-openapi, xoxo, squirrel, protobuf/grpc, gin, echo - 3 years