Senior Backend Developer - Node.js

Role Overview

Senior Backend Developer (Node.js) for a partner company building secure, scalable, high-availability backend systems for large-scale digital financial products. The role is remote-first, with autonomy and ownership, and involves core platform architecture, API performance, infrastructure resilience, and product innovation.

Responsibilities

• Design, build, and maintain backend services using Node.js and JavaScript for high-traffic production systems
• Develop new platform features with an Agile mindset focused on speed, reliability, and user experience
• Improve scalability and performance for real-time services, APIs, and core backend infrastructure
• Build and optimize microservices-based architecture for modular growth
• Enforce strong security standards across backend systems, APIs, authentication flows, and internal processes
• Integrate and optimize databases including MySQL and MongoDB while maintaining data integrity and efficiency
• Monitor systems, troubleshoot production issues, and continuously improve service reliability
• Collaborate with cross-functional teams to deliver solutions aligned with product goals

Requirements

• Strong professional experience in backend development with Node.js and JavaScript
• Experience with complex platforms, including large-scale or real-time architectures
• Solid understanding of microservices and distributed systems design
• Hands-on experience with MySQL, MongoDB, or similar databases
• Knowledge of backend security best practices and secure coding standards
• Ability to quickly learn new tools, frameworks, and emerging technologies

Nice to Have

• Experience with Redis, caching layers, job queues, or message queue systems
• Exposure to blockchain integrations or other high-availability systems
• Additional experience with Ruby, Rust, or C++

Work Model & Benefits

• Fully remote and flexible environment
• Competitive compensation
• Outcome-focused autonomy, mentorship, and continuous career growth
• International, collaborative team culture and knowledge sharing