Temirlan Balguzhin

@Temirlan1639

Frontend Developer

Frontend Developer JavaScript/TypeScript, React/Next.js, Node.js Experienced software developer with 5 years of experience in building scalable SPAs, dApps, and high-load backend systems.

Open to

Hiring & referralsStartup collaborationFunding & grants

About

Specialized in the React/TypeScript ecosystem on the frontend and Node.js on the backend. Possess strong expertise in application performance optimization, designing fault-tolerant architectures, integrating Web3 protocols, and implementing comprehensive caching strategies. Have a proven track record of large-scale legacy code refactoring, technical debt reduction, and the implementation of security best practices across all layers of applications.

Career

Experience: 5 years

Experience

Frontend Developer

Gexabyte

Jul 2024 — Jun 2026

Migrated a legacy application to FSD, built Web3 and security features, and improved performance, database load, and test coverage.

• Architected and executed the migration of a large-scale legacy application to a modular Feature-Sliced Design (FSD) architecture. Isolated business logic, reduced code coupling by 45%, and accelerated Time-to-Market for new features by 1.5x. • Engineered a fullstack multi-tiered asynchronous caching strategy. Deployed Redis on the backend for SQL query caching against PostgreSQL, and configured aggressive caching and invalidation on the frontend via TanStack Query (React Query). Reduced database load by 60% and improved Time to Interactive (TTI) by 45%.

Fullstack Developer

Cycle Agency

Feb 2023 — May 2024

Built Web3 wallet and contract interfaces, optimized promotional platforms, and reported improvements to performance, engagement, and visitor-to-lead conversion.

• Designed and built Web3 wallet integration UI logic (MetaMask, Coinbase Wallet, WalletConnect) using wagmi, viem, and ethers.js. Handled network switching (Chain ID), auto-reconnections, and transaction error flows, cutting user onboarding churn by 25%. • Developed interactive user interfaces for smart contracts (ERC-20, ERC-721/1155, Staking Pools). Streamlined contract method execution using multicall batching, cutting RPC calls to blockchain nodes by 65% and delivering balance/reward updates in under 1 second.

Fullstack / Web3 Developer

Freelance

Delivered custom dApps and SPAs, Web3 authentication, reusable UI components, and workflow automation for international clients.

• Designed and built custom dApps and SPAs from scratch for international clients utilizing React, Next.js, FastAPI, and NestJS. • Integrated Web3 authentication (ethers.js, Web3.js), providing wallet login via non-custodial options (MetaMask, Trust Wallet, WalletConnect). • Created an accessible, reusable UI component library with strict form validation using React Hook Form, accelerating subsequent project delivery by 30%. • Automated client workflows (lead capturing, CRM sync, instant notifications) through Make and n8n, eliminating manual operational overhead.

Education

Bachelor's Degree, Software Engineering

Toraygyrov University (Pavlodar State University)

2021 — 2024

Skills

React/Next.jsTypeScriptNode.js (Express.jsNestJS)Python (FastAPI)GoPostgreSQLRedisKafka/RabbitMQHTTP/gRPC/WebSocket