About the job

Job Title: Full stack software Engineer
Company: Aava Technology
Location: Kamalpokhari kathmandu
Mode: onsite 
Experience Level: Mid-Level
Employment Type: Full-time

About Us:

Aava Technology is a dynamic IT company specializing in customer-centric digital solutions. We develop scalable platforms in areas like travel, investment, Ecommerce.

Job Overview:

We are looking for a Mid-Level Node.js Developer with hands-on experience in Redis caching, third-party API integrations, and building scalable backend systems. The ideal candidate should have strong expertise in developing high-performance applications, working with databases, and integrating external services efficiently.

Key Responsibilities:

• Develop and maintain scalable and high-performance backend applications using Node.js and Express.js/Nest.js.
• Implement Redis caching strategies to improve system performance and scalability.
• Integrate third-party APIs, payment gateways, and external services.
• Design and develop RESTful and GraphQL APIs for web and mobile applications.
• Ensure secure authentication and authorization using JWT, OAuth, and other protocols.
• Work with both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis) databases.
• Optimize database queries and implement caching mechanisms.
• Troubleshoot, debug, and resolve backend issues in a timely manner.
• Write unit tests and follow best coding practices to ensure reliability.
• Collaborate with frontend developers, DevOps, and product managers for seamless development.
• Work with message queues (Redis, RabbitMQ, Kafka) for event-driven architecture.
• Maintain and improve CI/CD pipelines and cloud-based deployments.

Required Skills & Qualifications:

• 1.5-2 years of experience as a Node.js Developer.
• Strong knowledge of JavaScript & TypeScript.
• Experience with Express.js or Nest.js frameworks.
• Expertise in Redis caching and performance optimization.
• Hands-on experience with third-party API integration (Stripe, PayPal, Twilio, etc.).
• Experience working with SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis) databases.
• Understanding of RESTful API design and GraphQL.
• Knowledge of authentication mechanisms like JWT, OAuth2, and session-based authentication.
• Experience working with Docker, Kubernetes, and cloud services (AWS, GCP, Azure).
• Familiarity with Git, CI/CD pipelines, and DevOps practices.
• Good understanding of event-driven architecture and message queues (RabbitMQ, Kafka, Redis Streams).
• Strong debugging and problem-solving skills.

Nice to Have:

• Experience with WebSockets for real-time applications.
• Knowledge of GraphQL and Apollo Server.
• Familiarity with logging and monitoring tools like Kibana, Grafana, Prometheus.
• Understanding of Agile/Scrum methodologies