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