Senior Software Engineer Technical Leadership Platform

You will shape the technical foundation of a crypto payment platform through system design, reliability engineering, and long-term platform evolution. You will own complex backend work, identify architectural and scalability risks, lead technical relationships with partners, design failure-handling mechanisms, improve observability, validate integrations, and mentor engineers through reviews, pairing, and documentation.

Responsibilities

• Design and evolve core platform services
• Identify architectural risks and scalability limits
• Propose incremental improvement and migration paths
• Lead partner solution reviews and troubleshooting
• Document technical decisions and integration details
• Design retry, timeout, idempotency, degraded-mode, and fallback mechanisms
• Improve metrics, logs, tracing, and operational visibility
• Analyze production incidents
• Build proofs of concept and validate integrations
• Analyze vendor APIs and integration flows
• Implement complex backend components with TypeScript and Node.js
• Conduct code reviews and decompose complex problems
• Share knowledge through pairing and documentation

Requirements

• 6+ years of professional backend development experience
• Deep hands-on experience building and operating crypto infrastructure
• Experience with custody, wallets, exchanges, payments, or settlement systems
• Strong TypeScript and Node.js backend expertise
• Deep distributed system design experience
• Knowledge of microservices, service boundaries, data models, REST APIs, API contracts, queues, and asynchronous communication
• Production experience with incident response, debugging, API failures, and data issues
• Experience owning services from design through production support
• Excellent PostgreSQL knowledge and understanding of other storage types
• Experience with reliability, observability, and production incident investigation
• Daily use of AI coding tools and critical code review
• Ability to mentor senior engineers and evaluate trade-offs
• High agency and practical problem-solving ability
• Excellent written and verbal English communication

Benefits

• Flexible work schedule as an independent contractor
• Company-issued laptop
• Technology accessories
• Annual in-person full-team meetup