Ascendion is a leader in AI-powered software engineering, helping businesses innovate faster, smarter, and with greater impact. We partner with Global 2000 clients across North America, APAC, and Europe to solve complex challenges in data, experience design, software product engineering, and workforce transformation. Powered by expert engineers, thousands of AI agents, and our Engineering to the Power of AI™ (EngineeringAI) method, we deliver measurable outcomes that build trust, unlock value, and accelerate growth. Learn more at ascendion.com.
Engineering to the Power of AI™, AAVA™, EngineeringAI, Engineering to Elevate Life™, DataAI, ExperienceAI, Platform EngineeringAI, Product EngineeringAI, Quality EngineeringAI, and GCCAI are trademarks or service marks of Ascendion®. AAVA™ is pending registration. Unauthorized use is strictly prohibited.
Senior Backend Developer / Node.js Developer
Experience - 5+ YearsLocation- Pune – Baner (Onsite/Hybrid as per company policy)Position SummaryWe are looking for a Senior Backend Developer (Node.js) to join our engineering team and play a key role in building scalable, high-performance backend systems. The ideal candidate will have strong hands-on experience in Node.js, microservices architecture, AWS, message queues (Kafka or SQS), and monitoring tools like Datadog or Splunk.
This role requires deep backend ownership, strong system design skills, and the ability to work in a fast-paced, production-driven environment.
Key ResponsibilitiesDesign, develop, and maintain scalable backend services using Node.js
Build and manage microservices-based architectures
Develop highly available and fault-tolerant systems on AWS
Implement asynchronous processing using Kafka or AWS SQS
Ensure high performance, security, and reliability of backend services
Integrate monitoring, logging, and alerting using Datadog and/or Splunk
Collaborate closely with frontend, DevOps, QA, and product teams
Participate in code reviews, architecture discussions, and performance optimization
Troubleshoot production issues and ensure quick resolution
Contribute to backend best practices, coding standards, and system improvements
Each of the below skills is mandatory and must be present in the candidate’s resume
Node.js (Backend development experience)
Microservices architecture
AWS (EC2, Lambda, S3, RDS, etc.)
Kafka or AWS SQS (event-driven / messaging systems)
Datadog and/or Splunk (monitoring, logging, observability)
Strong understanding of REST APIs and backend integrations
Experience working with databases (SQL/NoSQL)
Knowledge of cloud-native and distributed systems
Experience handling production-scale applications
Strong problem-solving and debugging skills
Excellent communication and teamwork abilities
Experience with Docker / Kubernetes
CI/CD pipeline exposure
System design and architecture experience
Prior experience in high-traffic or startup environments
