Principal Engineer - Node.js / TypeScript / AWS

Job Description

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

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• 7–9 years of overall software engineering experience, including at least 5 years of strong backend development experience.
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• Strong hands-on programming experience with Node.js, TypeScript, and JavaScript.
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• Strong experience developing RESTful APIs, backend services, and microservice-based applications.
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• Solid understanding of data structures, algorithms, object-oriented programming, design patterns, and software architecture.
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• Experience designing and developing scalable and maintainable distributed systems.
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• Strong hands-on experience with Amazon DynamoDB, including:
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• Partition key and sort key design
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• Global and local secondary indexes
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• Query and access-pattern-based data modeling
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• Performance and scalability considerations
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• Strong experience with AWS services including ECS, Lambda, S3, SQS, API Gateway, and CloudWatch.
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• Experience developing asynchronous, queue-based, and event-driven workflows.
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• Experience building secure, resilient, scalable, and highly available applications.
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• Experience with automated testing frameworks such as Jest, Mocha, or equivalent.
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• Experience with Docker and CI/CD pipelines, including Jenkins or equivalent platforms.
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• Strong experience with Git-based source control and development workflows.
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• Strong understanding of application monitoring, debugging, observability, incident management, and production support.
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• Good understanding of API security, authentication/authorization, error handling, resiliency, and performance optimization.
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• Strong analytical, problem-solving, communication, and collaboration skills.
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Primary Skills – Must Have

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

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• Java / Spring Boot
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• React
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• MySQL / PostgreSQL
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• Redis / Amazon ElastiCache
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• AWS Step Functions, SNS, EventBridge, IAM, EC2
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• Terraform, AWS CDK, or CloudFormation
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• Kubernetes
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• NestJS / Express.js
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• OpenTelemetry, Dynatrace, Datadog, or similar tools
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• Messaging, event streaming, or distributed workflow platforms
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Key Responsibilities

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• Design, develop, and maintain scalable backend services and RESTful APIs using Node.js and TypeScript.
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• Build reliable, secure, and highly available microservice-based and distributed applications.
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• Design efficient data models and access patterns using Amazon DynamoDB.
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• Build cloud-native and event-driven solutions using AWS services such as ECS, Lambda, S3, SQS, API Gateway, and CloudWatch.
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• Develop asynchronous processing workflows, background jobs, integrations, and messaging-based architectures.
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• Define service boundaries, API contracts, data flows, and backend architecture.
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• Troubleshoot and resolve complex production and customer-facing issues.
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• Identify and address performance, scalability, stability, security, availability, and extensibility challenges.
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• Participate in architecture discussions, technical design reviews, and code reviews.
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• Develop automated unit, integration, API, and service-level tests.
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• Monitor production applications using logs, metrics, traces, dashboards, and alerts.
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• Support and improve CI/CD pipelines, automated testing, containerization, and deployment processes.
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• Collaborate with Product Managers, QA Engineers, Architects, and globally distributed engineering teams.
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• Work in an Agile/Scrum environment.
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• Take end-to-end ownership of backend features from design and implementation through deployment and production support.
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• Mentor engineers and contribute to backend engineering standards and architectural best practices.
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