Senior Full-Stack Engineer (Frontend-focused, AI-first)

Utorg; United States; Remote; USD 150,000 - 190,000; Full time

Job summary

Utorg, founded in 2019, builds infrastructure for stablecoin payments and serves over 2 million users across 130+ countries. We seek a senior frontend developer to own features end-to-end, guide architecture, and migrate from legacy systems to modern stacks.

You will contribute to AI-driven workflows and collaborate across product, design, QA, and backend teams in a weekly release cycle. Fluency in Russian and professional English for technical documentation is required.

Qualifications

• 5+ years of commercial frontend development with 3+ years of React and TypeScript in production.
• Experience with server-state management (TanStack Query), client state (Zustand/Redux), and routing.
• Production backend experience in Java, Kotlin, Node.js, or Go, with ability to design REST APIs and work with PostgreSQL.
• Daily use of agentic development tools (e.g., Claude Code) and experience with MCP (Model Context Protocol).
• Proficiency in testing with Playwright for E2E and Vitest/Jest for unit/integration tests.
• Fluent Russian (working language) and professional English for technical documentation.

Responsibilities

• Own features from ticket to production, including UI, API contracts, backend changes, tests, and monitoring.
• Make frontend architecture decisions and drive migrations from legacy systems to modern stacks.
• Build and improve AI-driven development workflows, including project context files and automated PR reviews.
• Review code from both teammates and AI agents to maintain high quality standards.
• Collaborate with product, design, QA, and backend engineers in a weekly release cycle.

Skills

Frontend development

React

TypeScript

Russian language

English documentation

Tools

TanStack Query

Zustand/Redux

Playwright

Vitest/Jest

Claude Code

Job description

Responsibilities

• Own features from ticket to production, including UI, API contracts, backend changes, tests, and monitoring
• Make frontend architecture decisions and drive migrations from legacy systems to modern stacks
• Build and improve AI-driven development workflows, including project context files and automated PR reviews
• Review code from both teammates and AI agents to maintain high quality standards
• Collaborate with product, design, QA, and backend engineers in a weekly release cycle

Requirements

• 5+ years of commercial frontend development with 3+ years of React and TypeScript in production
• Experience with server-state management (TanStack Query), client state (Zustand/Redux), and routing
• Production backend experience in Java, Kotlin, Node.js, or Go, with ability to design REST APIs and work with PostgreSQL
• Daily use of agentic development tools (e.g., Claude Code) and experience with MCP (Model Context Protocol)
• Proficiency in testing with Playwright for E2E and Vitest/Jest for unit/integration tests
• Fluent Russian (working language) and professional English for technical documentation

Preferred Qualifications

• Experience in fintech, specifically card flows, 3-D Secure, KYC SDKs, and fraud prevention
• Web3 frontend experience with viem, ethers, and wallet connections
• Experience with multi-brand white-label products and design tokens
• Knowledge of Kotlin, Spring Boot, NATS, Temporal, and Kubernetes

About the Company

Founded in 2019, Utorg builds infrastructure for stablecoin payments, including on- and off-ramps, self-custodial wallets, and crypto cards. Serving over 2 million users across 130+ countries, Utorg is MiCA-authorized across the EEA and PCI DSS Level 2 certified.