perechnev

Software Developer With 10+ Years Of Experience

Low-level and systems software engineer with 10+ years of professional experience building production-grade software in C, Objective-C, Python, and Swift.

Strong background in Unix/Linux systems, networking, embedded firmware, and performance-critical software design. Experienced in developing reliable, maintainable, and security-oriented systems with a focus on efficiency and low-level architecture.

Maintainer of the official Monero Wallet client for FreeBSD.

Currently specializing in Rust and blockchain infrastructure development, with a strong interest in decentralized systems, cryptography, privacy technologies, and high-reliability backend architecture.

Looking to contribute to cryptocurrency and Web3 projects where strong systems programming fundamentals, security mindset, and practical engineering experience are valued.

Experience: 11 years

Yearly salary: $36,000

Hourly rate: $25

Nationality: 🌏 Remote

Residency: 🌏 Remote

Experience

Lead Software Developer

BookBook

2023 - 2024

Led the end-to-end development of a client-server architecture for booking platforms. Responsible for both backend and mobile client development using C/C++, Python (Django REST Framework), PostgreSQL, and Swift. Improved overall reliability, eliminated chronic issues, and launched a stable product ready for production.

Lead Mobile Developer

World Chess PLC

2021 - 2023

Built the official FIDE (International Chess Federation) application from scratch. Implemented high-performance chess logic algorithms, real-time synchronization, and low-latency client-server interaction. Technology stack: C/C++, Objective-C, Python, Swift, ARM Assembly.

iOS Developer

Chess.com LLC

2019 - 2021

Worked on chess analysis algorithms for the world’s most popular chess platform. Designed optimized logic for local game and opening analysis, targeting low-end mobile devices. Collaborated with an international distributed team across multiple time zones.

iOS Developer

Ultimate Guitar

2017 - 2019

Developed audio processing modules and cross-platform rendering engines for sheet music and tablatures. Contributed to the modernization of the mobile codebase in Objective-C.

iOS Developer

Topface LCC

2015 - 2017

Supported and enhanced the Kiss Kiss app using C/C++/Objective-C. Migrated legacy modules to Swift, improving stability and code maintainability.

iOS Developer

Top Digital LLC

2013 - 2015

Led mobile application development in C and Objective-C. Designed cross-platform core modules and mentored junior developers.

Mobile Application Developer

Dino Systems

2011 - 2013

Built cross-platform components in C and Objective-C for the ContaXter project. Developed the server backend in Python, implementing data processing and APIs.

Skills

assembly

c-plus-plus

compiler

linux

mongo

objective-c

postgres

python

rust

swift

english

russian

spanish

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