Sr Backend Engineer (NodeJS Typescript)

Job Title : Sr Backend Engineer (NodeJS Typescript)

Location: Denver, CO (All 5 days onsite)

We are looking for a highly skilled Backend-heavy Full-Stack Engineer to design, build, and operate scalable cloud-native systems. The ideal candidate has strong experience developing REST-based microservices on AWS, with hands-on expertise in serverless and containerized architectures. You will work closely with frontend and platform teams, own services in production, and contribute to infrastructure as code and CI/CD pipelines.

Key Responsibilities

Design, develop, and maintain backend-heavy full-stack systems using Node.js, TypeScript, and Golang
Build and operate REST-based microservices running on AWS Lambda and containerized services on Amazon ECS
Participate in platform modernization efforts, including migration from serverless to container-based architectures
Develop and manage container images using Amazon ECR, Docker (plus)
Own infrastructure using Infrastructure as Code (IaC) with Terraform, Serverless Framework.
Manage and deploy AWS resources and new services using Terraform
Integrate backend services with AWS managed services such as DynamoDB, S3, SQS, SNS, Kinesis, and API Gateway
Implement secure configuration management using AWS Parameter Store and Secrets Manager
Build, maintain, and optimize CI/CD pipelines using CircleCI and GitHub Actions
Monitor, troubleshoot, and support production systems, including on-call responsibilities
Collaborate closely with frontend teams and contribute to JavaScript codebases when required
Ensure system reliability, scalability, performance, and security best practices

Required Skills:

Strong experience with JavaScript, TypeScript, and Node.js
Hands-on experience with Golang (Python is a plus)
Deep knowledge of AWS cloud services, including Lambda, ECS, ECR, EC2, DynamoDB, S3, SQS, SNS, EventBridge, Kinesis, API Gateway, CloudWatch, Secrets Manager, Parameter Store, Route 53
Proven experience managing AWS infrastructure using Terraform
Experience with Terraform, Serverless Framework.
Strong understanding of microservices architecture and REST APIs
Experience building and operating production systems
Familiarity with containerization and deployment workflows
Solid understanding of CI/CD best practices