Senior Backend Developer (Remote, Denmark)

Job summary

This role involves developing secure and scalable backend systems for global digital finance services. The ideal candidate will tackle complex technical challenges and contribute to mission-critical services and APIs in a remote-first environment.

Qualifications

• Extensive experience with Node.js and JavaScript in backend development.
• Proven track record with complex platforms or distributed systems.
• Strong grasp of microservices architecture and event-driven systems.
• Experience with relational and NoSQL databases like MySQL and MongoDB.
• Familiarity with caching layers, message queues, and job processing tools such as Redis.
• Knowledge of security best practices and secure API development.
• Ability to learn new technologies quickly in a dynamic setting.
• Experience with blockchain integrations is a plus.
• Familiarity with Ruby, Rust, or C++ is advantageous.
• Strong communication skills and ability to work independently in a remote setup.

Responsibilities

Benefits

• Design, build, and maintain backend services for high-traffic applications.
• Develop new products and features using agile methodologies.
• Optimize system performance and reliability to accommodate user growth.
• Create and maintain robust APIs with high availability and low latency.
• Integrate external systems, including blockchain and payment services.
• Implement secure development practices across all services.
• Collaborate with product, engineering, and operations teams for seamless solutions.
• Monitor and troubleshoot production systems to enhance stability.
• Competitive salary package.
• Fully remote and flexible work environment.
• Opportunities for career growth and mentorship.
• Continuous learning culture with knowledge-sharing initiatives.
• Team-building events and social activities, both virtual and in-person.
• High-impact work that shapes products and services.