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Hi, I'm Nikolai Shelekhov, a software engineer with 7+ years of experience, specializing in Rust systems programming and blockchain infrastructure. I design and implement high-performance distributed systems, from kernel-space optimizations to secure smart contracts. My work spans Solana blockchain apps, backend services in Rust, and scalable infrastructure. I'm passionate about building reliable, secure software and continuously learning new technologies. I love collaborating with teams to solve complex problems and deliver robust, production-ready solutions.…Hi, I'm Nikolai Shelekhov, a software engineer with 7+ years of experience, specializing in Rust systems programming and blockchain infrastructure. I design and implement high-performance distributed systems, from kernel-space optimizations to secure smart contracts. My work spans Solana blockchain apps, backend services in Rust, and scalable infrastructure. I'm passionate about building reliable, secure software and continuously learning new technologies. I love collaborating with teams to solve complex problems and deliver robust, production-ready solutions.

Nikolai Shelekhov

Blockchain Developer, Back-End Developer, Full Stack Developer, +2

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Hi, I'm Nikolai Shelekhov, a software engineer with 7+ years of experience, specializing in Rust systems programming and blockchain infrastructure. I design and implement high-performance distributed systems, from kernel-space optimizations to secure smart contracts. My work spans Solana blockchain apps, backend services in Rust, and scalable infrastructure. I'm passionate about building reliable, secure software and continuously learning new technologies. I love collaborating with teams to solve complex problems and deliver robust, production-ready solutions.…Hi, I'm Nikolai Shelekhov, a software engineer with 7+ years of experience, specializing in Rust systems programming and blockchain infrastructure. I design and implement high-performance distributed systems, from kernel-space optimizations to secure smart contracts. My work spans Solana blockchain apps, backend services in Rust, and scalable infrastructure. I'm passionate about building reliable, secure software and continuously learning new technologies. I love collaborating with teams to solve complex problems and deliver robust, production-ready solutions.

Available to hire

Hi, I’m Nikolai Shelekhov, a software engineer with 7+ years of experience, specializing in Rust systems programming and blockchain infrastructure. I design and implement high-performance distributed systems, from kernel-space optimizations to secure smart contracts. My work spans Solana blockchain apps, backend services in Rust, and scalable infrastructure.

I’m passionate about building reliable, secure software and continuously learning new technologies. I love collaborating with teams to solve complex problems and deliver robust, production-ready solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Web3

Intermediate

Language

English

Fluent

Russian

Advanced

Work Experience

Solana Blockchain Engineer at Nyoka

September 1, 2025 - September 1, 2025

Engineered secure Solana blockchain applications using Anchor framework and Rust. Developed a token-based voting system for platform governance. Implemented secure admin controls for project listing management. Architected smart contract infrastructure with program-derived addresses (PDAs) for secure state management. Created comprehensive unit tests to validate core functionality and security constraints.

Rust Core Backend Engineer at NXLog

July 1, 2024 - July 1, 2024

Developed four key components of the platform using Rust for high performance and reliability. Utilized Docker for containerization. Used Rocket and Axum web frameworks for building scalable web applications. Enhanced security by implementing best practices to protect data integrity. Leveraged Salesforce to integrate CRM functionalities, streamline data flow, and enhance user management systems.

Rust Systems Engineer at Vpnable Limited

July 1, 2024 - November 6, 2025

Architected Rust-based per-peer workqueue system, eliminating shared queue bottlenecks and improving throughput by 13.4% for millions of users. Implemented kernel-space anti-censorship obfuscation using adaptive DNS pattern detection, achieving <0.1% overhead while maintaining compatibility with existing clients. Re-architected encryption, decryption, and transmission pipeline using Rust concurrency primitives with C interop for improved scalability and stability.

Rust Backend Engineer at Vpnable Limited

December 1, 2022 - December 1, 2022

Optimized system performance by 30% through database query optimization and efficient async operations. Architected production backend services in Rust (Actix Web, Diesel ORM, Tokio) for mobile applications. Developed complementary iOS (Swift) and Android (Kotlin) clients. Managed Linux production infrastructure with PostgreSQL. Delivered full-stack solution across backend (Rust), mobile (Swift/Kotlin), and infrastructure (Linux/PostgreSQL).