Sergei Kozub

Sergei Kozub Email and Phone Number

Senior Golang Developer @ Topscan.me
Amsterdam, NH, NL
Sergei Kozub's Location
Russia, Russian Federation
About Sergei Kozub

I am a developer with over 7 years of experience in programming and a year of experience in team management. I effectively combine technical and leadership skills, successfully leading multidisciplinary teams, including frontend, backend, and DevOps. My specialization is developing microservices in Golang with the use of CI/CD, containerization, and cloud technologies, which enables me to enhance the efficiency of both development and system management.I have actively participated in strategic planning and the implementation of analytics, which has improved the productivity and quality of the teams' work. My experience also includes successfully implementing various architectural solutions, such as microservices and event-driven architecture, which has improved the scalability and flexibility of systems. I am committed to continuous professional growth and creating conditions for successful project execution and achieving the company's strategic goals.Professional SkillsHard Skills: Microservice Architecture, Process Automation, Project Management, Testing and Debugging.Soft Skills: Leadership, Team Management, Strategic Planning, Employee Development, Problem Solving, Effective Communication.

Sergei Kozub's Current Company Details
Topscan.me

Topscan.Me

View
Senior Golang Developer
Amsterdam, NH, NL
Employees:
3
Sergei Kozub Work Experience Details
  • Topscan.Me
    Senior Golang Developer
    Topscan.Me
    Amsterdam, Nh, Nl
  • Dr.Cash
    Team Lead
    Dr.Cash Jun 2023 - Aug 2024
    Ирландия
    - Managed a multidisciplinary team of up to 6 people, including frontend, backend, DevOps, and mobile development, ensuring the successful delivery of key projects.- Implemented end-to-end analytics, optimizing manager workflows, reducing analysis time by 25%, and improving client interactions.- Automated tasks, reducing manual work by 40%, allowing the team to focus more on strategically important tasks.- Participated in strategic planning, contributing to the company's efficiency growth through process optimization and more accurate data analysis.- Set up remote team operations, reducing downtime and improving coordination despite time zone differences.- Developed the team through regular one-on-one meetings, increasing productivity and reducing employee burnout.- Organized the hiring and onboarding process, ensuring smooth integration of new specialists into the team.- Optimized development processes using neural networks, accelerating project delivery by 20%.- Collaborated with other departments to develop cross-functional solutions, leading to reduced operational costs and strengthened the company's competitive position in the market.
  • Dr.Cash
    Senior Golang Developer
    Dr.Cash Mar 2019 - Jun 2023
    Ирландия
    - Developed and maintained microservice applications in Go, increasing system resilience and reducing request processing time by 30%. - Implemented CI/CD and containerization, reducing release times by 40% and improving quality control at all stages of development. - Transitioned architecture from monolithic to microservices and event-driven, enhancing system scalability and flexibility. - Integrated payment systems via API, expanding platform functionality and growing the client base. - Set up monitoring and logging, improving system oversight and accelerating issue resolution. - Created and deployed a custom Telegram client in Go along with several bots, streamlining internal communications and automating processes.Achievements: - Developed and implemented automatic and semi-automatic testing, including unit, regression, integration, and system testing. - Built a universal API request constructor, simplifying integration with external services. Authored full documentation and provided training for new hires. - Developed a custom Telegram client in Go and multiple Telegram bots, improving user interaction.
  • Media500 Llc
    Qa Lead
    Media500 Llc Aug 2018 - Jan 2019
    Хайфа, Хайфский Округ, Израиль
    Established and led the QA department. Trained junior engineers in Web fundamentals, Golang, PHP, JavaScript, and the basics of manual testing and end-to-end test automation using TestCafe.
  • Nesthorn Gmbh / Media500 Llc
    Golang And Php Developer
    Nesthorn Gmbh / Media500 Llc Nov 2017 - Jan 2019
    Remote With Germany, Israel, Cyprus
    Worked within a team on multiple projects.Key responsibilities: - Refactored a monolithic application from PHP (Laravel) to Golang. - Developed a proxy for a CRM system. - Created Golang microservices for multithreaded data transmission to external services. - Built a Golang microservice for creating data container queues. - Developed a Golang microservice for sending SMS through various providers from the CRM. - Integrated multiple payment providers into the CRM using Golang microservices. - Migrated data from various databases to a customer’s PostgreSQL database using Golang microservices. - Made minor updates to an existing project on PHP/Laravel 4.2.Technologies used: - Golang: GoModules (vgo)/Dep, gRPC, Protobuf, Echo server, Gorm, RabbitMQ - PHP: Laravel - Databases: PostgreSQL - VCS: Git (Bitbucket, GitHub) - Other: Docker, Ubuntu
  • Web2Age
    Programmer
    Web2Age Dec 2016 - Nov 2017
    Moscow
    I progressed from an intern to a Junior+ developer during my time at Web2Age. While working there, I developed an interest in Golang. Throughout my time, I learned the fundamentals of developing and maintaining e-commerce websites.

Sergei Kozub Education Details

Frequently Asked Questions about Sergei Kozub

What company does Sergei Kozub work for?

Sergei Kozub works for Topscan.me

What is Sergei Kozub's role at the current company?

Sergei Kozub's current role is Senior Golang Developer.

What schools did Sergei Kozub attend?

Sergei Kozub attended Белгородский Государственный Университет.

Free Chrome Extension

Find emails, phones & company data instantly

Find verified emails from LinkedIn profiles
Get direct phone numbers & mobile contacts
Access company data & employee information
Works directly on LinkedIn - no copy/paste needed
Get Chrome Extension - Free

Aero Online

Your AI prospecting assistant

Download 750 million emails and 100 million phone numbers

Access emails and phone numbers of over 750 million business users. Instantly download verified profiles using 20+ filters, including location, job title, company, function, and industry.