Sergii Kamyshev

Senior

Registration: 05.08.2025

Specialization: 1C Developer

— Experienced 1C:Enterprise Developer with over 9 years of hands-on practice, including 2.5 years in a technical leadership role. — Skilled in designing, developing, and optimizing business applications using 1C 8.x for various domains, including accounting, sales, HR, and inventory. — Proficient in system integration (REST APIs, JSON, XML, COM), performance tuning, and automation of business processes. — Led a team of 4 developers, conducted code reviews, and collaborated directly with stakeholders to clarify requirements and deliver robust solutions. — Also experienced in Android development (Kotlin), working with modern architectural patterns (MVVM, Clean Architecture), dependency injection (Hilt), and Android Jetpack libraries. — Motivated by complex challenges, clear communication, and clean code. Open to relocation and international projects.

1C SQL Android JSON rest api Retrofit Kotlin XML JetPack

Skills

Kotlin

Android

Retrofit

REST APIs

JSON

XML

COM

MVVM

Clean Architecture

Android Jetpack

SQL

Work experience

1C Software Developer

since 10.2023 - Till the present day |Sigma Software Group

1C, APIs

● Design, develop, and maintain business applications based on 1C:Enterprise platform (versions 8.x). ● Customize and support accounting, inventory, sales, and HR modules to meet specific client needs. ● Develop and optimize reports, data processors, and printed forms using 1C language. ● Integrate 1C solutions with external systems (APIs, web services, databases). ● Perform system debugging, code refactoring, and performance tuning Implement and support automation for business processes (including document workflows and approval chains). ● Provide technical documentation and user instructions. ● Communicate with stakeholders and end-users to clarify requirements and provide support.

Android Developer

05.2022 - 10.2023 |Axis-Y

Android, Kotlin, Retrofit

● It's my first job where I can realize myself as a Android Developer. ● In this role, I am responsible for developing and maintaining mobile applications for Android platform. ● I actively participate in the entire software development lifecycle, including requirements gathering, design, implementation, and deployment. ● Additionally, I collaborate with the team to troubleshoot and debug issues, as well as contribute to code reviews and continuous improvement of development processes.

Team Lead 1C

01.2021 - 10.2023 |Axis-Y

● As a 1C Team Lead Developer, my role involved overseeing the development and maintenance of 1C-based software solutions. ● I was responsible for leading a team of developers, assigning tasks, and ensuring the timely delivery of projects. ● I worked closely with stakeholders to gather requirements and provide technical guidance. ● Additionally, I participated in code reviews, performance optimization, and troubleshooting complex issues. ● As a Team Lead, I fostered a collaborative and productive work environment, supported the professional growth of team members, and contributed to the overall success of the projects.

Senior 1C Software Engineer

12.2019 - 12.2020 |Axis-Y

SQL, REST

● Here, i had a first experience in discussing new tasks. ● I have made different tasks, usual as code review and SQL data update, different REST integration. ● It's my first point to try myself as a team lead. I had 2 people in my team.

1C Software Developer

07.2016 - 12.2019 |Fishki.ua

1C, REST

● My second job. ● Here i came as a Junior developer and then gross up to middle. ● I had took part in creating new projects. ● I made new REST integrations, mobile integrations and find out a lot of new things in developing.

1C Software Developer

11.2015 - 06.2016 |1C Consulting

XML, JSON, COM

● My first commercial work, where i have taken part as developer. ● Its my first experience with XML, JSON, COM technologies.

Educational background

Automatic on a transport (Masters Degree)

2008 - 2014

National Aviation University

Languages

EnglishUpper Intermediate