Senior Backend Developer

1 week ago

New Delhi, India Unlimits Full time

At Unlimits.ai, we’re building more than a tech stack. We’re engineering the backbone of a movement. A platform that powers transformation, clarity, and a new way to dream boldly and without limits. We're looking for a Senior Backend Developer who thrives at the intersection of code and cloud. Someone who doesn’t just write services but architects reliable, scalable, and secure systems that impact millions. If you’re passionate about AWS, DevOps, and shipping clean Node.js code that scales, we want to build with you.Role Overview We’re seeking a Senior Backend Developer (Node.js + AWS) to join our growing team of dream-builders. This is a hands on, high-impact role for someone who loves to work across the stack from designing backend APIs to setting up cloud infrastructure and CI/CD pipelines. You’ll work closely with product, frontend, and design teams to ship robust features while keeping our systems scalable, maintainable, and secure.ResponsibilitiesBackend Architecture & Development Design, build, and maintain scalable backend services using Node.js and AWS Lambda (Serverless). Architect APIs and microservices that are performant and secure. Write clean, modular, well-documented code that can be handed off and scaled easily.Cloud Infrastructure & DevOps Build and manage infrastructure as code using Terraform and CloudFormation. Set up and optimize CI/CD pipelines using GitHub Actions or similar tools. Maintain observability via monitoring, logging, and alerting tools like CloudWatch, Datadog, or Prometheus.AWS Ecosystem Mastery Manage services like API Gateway, S3, ECS, RDS, DynamoDB, IAM, and VPC. Ensure security, availability, and performance across all cloud services. Apply best practices in IAM roles, networking, and cloud security.Cross-Team Collaboration Partner with frontend engineers, designers, and product managers to deliver end-to-end features. Contribute to technical decisions, documentation, and sprint planning. Own what you build—monitor, optimize, and iterate after launch.Requirements 7+ years of backend development experience, primarily using Node.js. Strong, hands-on expertise in AWS cloud services. Proven experience with Terraform (or equivalent IaC tools). Familiarity with CI/CD pipelines and deployment automation (preferably using GitHub Actions). Understanding of containerisation using Docker, ECS, and Fargate. Deep knowledge of security best practices, IAM policies, and system architecture. Excellent debugging, problem-solving, and performance tuning skills.Nice to Have Experience with microservices architecture. Exposure to cost optimization strategies for AWS deployments. Working knowledge of other backend languages or frameworks. Passion for creating infrastructure that scales with user growth.Why Unlimits Be part of a mission that’s reshaping how people dream and grow. Own real impact in a high-autonomy environment—your code will touch millions. Work with a visionary, kind, and driven team that values transparency and creativity. Enjoy a flexible, remote-first culture with competitive compensation.This isn’t just a backend role. It’s your chance to architect the infrastructure behind a movement. Apply atjoin@unlimits.ai Also, kindly share links to your GitHub, LinkedIn, or any relevant projects or case studies you've worked on.Let’s build something that transforms the way the world dreams.

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