Senior Backend Developer - Node.js; Remote from Bulgaria

Senior Backend Developer - Node.js (Remote from Bulgaria)
This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Backend Developer - Node.js in Bulgaria.
The Senior Backend Developer will play a key role in designing and maintaining the backend systems that power a high-performance, global digital asset platform. This role focuses on developing scalable, secure, and low-latency services while contributing to new features, integrations, and innovative product offerings. The ideal candidate thrives in a fast-paced, agile environment, collaborating closely with engineers, product managers, and security teams.

You will leverage your expertise in Node.js, microservices, and databases to enhance platform reliability, performance, and security. Your work will directly impact the experience of a global user base, supporting real-time trading, blockchain integration, and advanced financial services. Continuous learning, problem-solving, and innovation are central to success in this role.
Accountabilities:

Design, develop, and maintain backend services using Node.js and microservices architecture
Build secure, reliable, and scalable APIs and backend processes for enterprise-grade applications
Implement new products, features, and platform enhancements using agile development methodologies
Ensure system performance and responsiveness at scale, supporting global user growth and high-availability requirements
Collaborate with cross-functional teams including product, security, and frontend engineering to define requirements and deliver solutions
Integrate with blockchain and other financial technologies while maintaining best-in-class security standards
Troubleshoot issues, optimize system performance, and participate in on-call rotations if required
Contribute to code reviews, technical documentation, and knowledge sharing within the team

Requirements:

Strong proficiency in Node.js and JavaScript, with experience in backend development of complex platforms
Familiarity with microservices architecture and distributed systems

Experience with relational and No

SQL databases (e.g., MySQL, Mongo

DB)
Solid understanding of security best practices and application-level protections
Experience in blockchain integration and high-availability systems is a plus
Knowledge of other languages such as Ruby, Rust, or C++ is beneficial

Experience with message queues, caches, and job queue systems (e.g., Redis)
Strong problem-solving skills, adaptability, and ability to learn new technologies quickly
Excellent collaboration and communication skills for a remote, globally distributed team

Benefits:

Flexible work arrangements and fully remote-friendly culture
Competitive salary and performance-based compensation

Career development and mentorship opportunities
Collaborative team environment emphasizing innovation and knowledge sharing
Learning resources and workshops to enhance technical skills
Social and team-building activities, both online and in-person
Opportunity to contribute directly to a platform with global impact in digital finance

Why Apply Through Jobgether?
We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best!
Data Privacy Notice:
By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.
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