Senior Full-Stack Engineer, React/Node.js

• Build and maintain production-grade React, Node.js, and TypeScript applications
• Develop backend services, APIs, integrations, and server-side validation
• Manage PostgreSQL schemas, migrations, queries, indexes, and performance
• Write unit, integration, and end-to-end tests
• Design scalable systems using caching, queues, and background jobs
• Improve legacy code and contribute to ongoing technical remediation
• Collaborate with the team and clearly communicate technical decisions

• 7+ years of professional software engineering experience
• Strong, recent React, Node.js, and TypeScript experience
• True full-stack expertise; primarily frontend candidates will not be considered
• Hands-on PostgreSQL experience, including migrations and indexing
• Production experience with AWS
• Experience with ECS/Fargate, containers, S3, and CloudFront preferred
• Experience with system design, third-party integrations, and end-to-end testing
• Comfortable using AI coding tools such as Claude
• Strong English and Russian communication skills
• Fintech or payments experience preferred, including knowledge of ACH, reconciliation, compliance, and idempotency

• Long-term opportunity
• Fully remote work arrangement
• Work EST hours
• Use of AI coding tools such as Claude