Senior Backend Engineer(Node.js)

We are looking for a highly skilled Senior Backend Engineer with strong expertise in Node.js to design, build, and maintain scalable, secure, and high-performing backend systems.

The ideal candidate will have solid experience building production-grade APIs and backend services, working with databases, integrating third-party services, and collaborating closely with frontend engineers, product managers, and other technical teams.

Key Responsibilities

* Design, develop, and maintain scalable backend applications and services using Node.js.

* Build and maintain robust RESTful APIs and backend integrations.

* Develop clean, reusable, maintainable, and well-tested code.

* Design and optimize database structures, queries, and data models.

* Integrate third-party APIs, payment gateways, authentication services, and other external systems.

* Implement secure authentication, authorization, data protection, and other backend security practices.

* Identify and resolve performance, reliability, and scalability issues.

* Write unit, integration, and API tests to ensure system reliability.

* Participate in code reviews and provide technical guidance to other engineers.

* Work closely with frontend engineers, product managers, designers, and other stakeholders to deliver product features.

* Contribute to system architecture, technical decisions, and engineering best practices.

* Monitor backend services, troubleshoot production issues, and implement long-term solutions.

* Participate in Agile ceremonies including sprint planning, stand-ups, reviews, and retrospectives.

* Contribute to technical documentation and ensure engineering standards are consistently maintained.

Required Qualifications & Experience

* 5+ years of professional software engineering experience, with significant backend development experience.

* Strong proficiency in Node.js and JavaScript/TypeScript.

* Strong experience building and maintaining REST APIs and backend services.

* Solid knowledge of Express.js, NestJS, or similar Node.js frameworks.

* Strong experience with relational and/or NoSQL databases such as PostgreSQL, MySQL, MongoDB, or Redis.

* Experience with API authentication and authorization mechanisms such as JWT, OAuth, and role-based access control.

* Good understanding of software architecture, design patterns, data structures, and algorithms.

* Experience with Git and modern software development workflows.

* Experience writing automated tests and maintaining code quality.

* Familiarity with Docker, CI/CD pipelines, and cloud platforms such as AWS, Azure, or GCP.

* Strong understanding of application security, performance optimization, and scalability.

* Experience working in Agile/Scrum development environments.

Nice to Have

* Experience working in Fintech, Payments, Banking, or other highly regulated environments.

* Experience integrating payment processors, banking APIs, or financial services.

* Experience with event-driven architecture, message queues, or microservices.

* Experience with Kafka, RabbitMQ, or similar messaging systems.

* Familiarity with Kubernetes and cloud infrastructure.

* Experience working with monitoring and observability tools.

* Contributions to open-source projects or a strong technical portfolio.

Core Competencies

* Strong problem-solving and analytical skills.

* Excellent understanding of backend architecture and engineering principles.

* Ability to independently own complex technical projects.

* Strong attention to code quality, security, and performance.

* Good communication and collaboration skills.

* Ability to mentor and support junior and mid-level engineers.

* Ability to work effectively in a fast-paced product environment.

What Success Looks Like

* Reliable and scalable backend services are consistently delivered.

* APIs and backend systems meet performance, security, and reliability standards.

* Production issues are identified and resolved efficiently.

* Technical debt is proactively addressed.

* Code quality and engineering standards remain consistently high.

* The engineer contributes meaningfully to architecture and technical decision-making.