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 – Valuable 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 efficient 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 (Vasanth Nagar)
🏢 Applicantz
📍 Vasanth Nagar