Position Overview We are looking for a

Senior Backend Engineer with strong hands-on expertise in

Node.js, TypeScript, distributed systems, microservices, and AWS cloud technologies . The role will focus on designing, developing, scaling, and supporting highly available backend services and APIs for customer-facing applications. The ideal candidate will have strong ownership of backend architecture, application performance, production reliability, security, observability, and cloud-native engineering practices.

Experience with

React and/or

Java/Spring Boot is a plus but not mandatory.

Minimum Qualifications 7–9 years of overall software engineering experience , including at least

5 years of strong backend development experience . Strong hands-on programming experience with

Node.js, TypeScript, and JavaScript . Strong experience developing

RESTful APIs, backend services, and microservice-based applications . Solid understanding of data structures, algorithms, object-oriented programming, design patterns, and software architecture. Experience designing and developing scalable and maintainable distributed systems . Strong hands-on experience with

Amazon DynamoDB , including: Partition key and sort key design Global and local secondary indexes Query and access-pattern-based data modeling Performance and scalability considerations Strong experience with AWS services including

ECS, Lambda, S3, SQS, API Gateway, and CloudWatch . Experience developing asynchronous, queue-based, and event-driven workflows . Experience building secure, resilient, scalable, and highly available applications.



Experience with automated testing frameworks such as

Jest, Mocha, or equivalent . Experience with

Docker and CI/CD pipelines , including Jenkins or equivalent platforms. Strong experience with Git-based source control and development workflows. Strong understanding of application monitoring, debugging, observability, incident management, and production support. Good understanding of API security, authentication/authorization, error handling, resiliency, and performance optimization. Strong analytical, problem-solving, communication, and collaboration skills.

Primary Skills – Must Have Node.js TypeScript / JavaScript Backend Development RESTful APIs Microservices Distributed Systems Amazon DynamoDB AWS: ECS, Lambda, S3, SQS, API Gateway, CloudWatch Event-driven / asynchronous architecture Docker CI/CD Unit & Integration Testing Production Troubleshooting & Observability Performance, Scalability, Security & Reliability

Secondary Skills – Good to Have Java / Spring Boot React MySQL / PostgreSQL Redis / Amazon ElastiCache AWS Step Functions, SNS, EventBridge, IAM, EC2 Terraform, AWS CDK, or CloudFormation Kubernetes NestJS / Express.js OpenTelemetry, Dynatrace, Datadog, or similar tools Messaging, event streaming,



or distributed workflow platforms

Key Responsibilities Design, develop, and maintain scalable backend services and RESTful APIs using

Node.js and TypeScript . Build reliable, secure, and highly available microservice-based and distributed applications. Design productive data models and access patterns using

Amazon DynamoDB . Build cloud-native and event-driven solutions using AWS services such as ECS, Lambda, S3, SQS, API Gateway, and CloudWatch. Develop asynchronous processing workflows, background jobs, integrations, and messaging-based architectures.

Define service boundaries, API contracts, data flows, and backend architecture. Troubleshoot and resolve complex production and customer-facing issues. Identify and address performance, scalability, stability, security, availability, and extensibility challenges.

Participate in architecture discussions, technical design reviews, and code reviews. Develop automated unit, integration, API, and service-level tests. Monitor production applications using logs, metrics, traces, dashboards, and alerts. Support and improve CI/CD pipelines, automated testing, containerization, and deployment processes.

Collaborate with Product Managers, QA Engineers, Architects, and globally distributed engineering teams. Work in an Agile/Scrum environment. Take end-to-end ownership of backend features from design and implementation through deployment and production support. Mentor engineers and contribute to backend engineering standards and architectural best practices.

📌 Principal Engineer – Node.js / TypeScript / AWS (Vasanthanagar)
🏢 Applicantz
📍 Vasanthanagar