Job Title

Backend Developer (Node.js & Express.js) - Full-Time (Remote, India)Company: Zendr ltd, UK. Location: Remote (India-based candidates only) Experience Required: Minimum 3 years Salary: To be discussedAbout Zendr: Zendr is a UK-based startup on a mission to transform how businesses manage payments, invoicing, and operations. We’re building the future of business tools.Simple, scalable, and secure.Our vision is to scale across multiple industries while maintaining security, reliability, and top-tier performance in our backend infrastructure.Role Overview: We are looking for ahighly skilled Backend Engineerwith expertise inNode.js and Express.jsto join our growing team. This is a full-time remote position, specifically for engineers based inIndia . You will be responsible for designing, developing, and optimising backend systems that power Zendr’s financial infrastructure. If you are passionate about scalable architecture, high-performance APIs, and fintech innovations, we’d love to hear from you!Key Responsibilities: - Design, develop, and maintain robust backend systems usingNode.jsandExpress.js . - Build and optimise RESTful APIs for high-performance transaction processing. - Implement security best practices, includingencryption, authentication, and authorization . - Work with databases such asPostgreSQLto manage financial data efficiently. - Optimize system performance, ensuringlow-latency and high availability . - Collaborate with frontend developers, product managers, and other stakeholders to deliver seamless user experiences. - Write clean, maintainable, and well-documented code. - Implement automated testing (unit, integration) and participate in code reviews. - Monitor and troubleshoot issues in production environments. - Stay updated with industry trends, especially infintech and payment technologies .Must-Have Requirements: -3+ years of hands-on experiencein backend development withNode.js and Express.js . - Strong knowledge ofRESTful APIs, microservices architecture, and API security . - Practical understanding of designing scalable backend systems - Experience working withPrismafor database interaction, migrations, and query optimisation. - Experience working with databases ( PostgreSQL ). - Proficiency inasynchronous programming, event-driven architecture, and real-time data processing . - Solid understanding ofauthentication mechanismssuch as OAuth, JWT, or OpenID. - Experience withAWS or other cloud platformsfor backend deployment and scalability. - Strong debugging, problem-solving, and optimization skills. - Excellent communication skills.Nice-to-Have Skills: - Knowledge ofWebSocketsfor real-time applications. - Familiarity with CI/CD pipelines and DevOps practices. - Experience indashboard development and web portals - Previous experience in a startup environment with a hands-on approach.Why Join Zendr? - Fully remote work with a flexible schedule. - Career growth - Opportunity to work on ahigh-impact product . - Work with afast-moving, innovative team . - Career growth opportunities as we scale.How to Apply: If you are excited about building scalable product, apply now by sending yourCV and GitHub/portfoliotocareers@with the subject line"Backend Engineer Application - India" .