Senior Backend Developer

Overview

Accountabilities

• Design, develop, and maintain backend services and APIs that support scalable financial and blockchain-related platforms.
• Collaborate closely with developers, product managers, designers, and stakeholders to translate technical and business requirements into efficient backend architectures.
• Improve and optimize existing backend services built with Node.js to enhance scalability, performance, and reliability.
• Develop new microservices and backend solutions that communicate across distributed systems using RPC and other service integration methods.
• Write and optimize complex database queries for operational, compliance, and financial reporting purposes.
• Ensure backend systems follow strong security standards and best practices to protect platform integrity and user data.
• Contribute to high-availability architectures and real-time service responsiveness as the platform continues to scale globally.
• Participate in troubleshooting, debugging, and continuous improvement initiatives across backend infrastructure and services.
• Support agile development processes and contribute to the delivery of innovative features and platform enhancements.

Requirements

• Minimum of 5 years of professional experience working with JavaScript and Node.js in backend development environments.
• Strong understanding of microservices architecture and distributed backend systems.
• Proven experience contributing to the development of complex, high-scale platforms or applications.
• Hands-on experience with relational and NoSQL databases such as MySQL and MongoDB.
• Good understanding of backend security principles, secure API design, and best development practices.
• Ability to quickly learn and adapt to new technologies, tools, and technical environments.
• Familiarity with high-availability systems, real-time services, and scalable backend infrastructures.
• Experience with blockchain integrations or decentralized technologies is considered a strong advantage.
• Knowledge of technologies such as Redis, message queues, caches, and background job processing tools is highly desirable.
• Exposure to Ruby and Ruby on Rails is considered a plus.
• Strong analytical thinking, problem-solving skills, and the ability to work effectively in remote, collaborative teams.
• Excellent written and verbal English communication skills.

Benefits

• Fully remote work environment with the flexibility to work from anywhere.
• Opportunity to collaborate with globally distributed teams and industry-leading technology experts.
• Competitive compensation package aligned with experience and expertise.
• Exposure to cutting-edge fintech, blockchain, and digital asset technologies.
• Flexible work culture that supports autonomy, innovation, and continuous learning.
• Access to challenging large-scale engineering projects with real global impact.
• Inclusive and collaborative environment focused on technical excellence and professional growth.
• Opportunity to contribute to highly scalable and security-focused infrastructure used worldwide.
• Fast-paced, innovation-driven culture that encourages ownership and creativity.

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