AWS Platform Engineer - Naperville, IL

Optomi; Naperville (IL); On-site; USD 120,000 - 180,000; Full time

Job summary

Optomi is seeking a hands-on AWS Platform Engineer with a strong software development background to design, build, deploy, and operate cloud-based applications and platform services in AWS. The role emphasizes a developer mindset and working across application development, infrastructure, deployment, observability, and production support.

You will develop back-end services and automation using Node.js and Python, design scalable architecture, manage Terraform-based infrastructure, and implement

Qualifications

• Hands-on coding and software engineering expertise across modern cloud apps.
• Deep hands-on experience building and operating AWS-based applications.
• Experience with AWS services such as Lambda, API Gateway, S3, DynamoDB/RDS, CloudWatch, IAM, and VPC networking.
• Strong system design and cloud architecture experience.
• Experience with platform engineering, IaC, CI/CD, and production deployments.
• Experience with Terraform or similar infrastructure as code tooling.
• Observability, monitoring, debugging, and production troubleshooting.
• Backend development with Node.js, Python, or similar.
• Comfortable with multi-hat roles across development, infrastructure, operations.
• CRM/Salesforce experience is not required but a plus.
• Experience with AI assistants, Amazon Connect, Lex, or SRE practices is a plus.

Responsibilities

• Design, build, and support scalable applications and platform services in AWS.
• Develop backend services, APIs, integrations, and automation using Node.js and Python.
• Participate in system design and architecture decisions around scalability, reliability, security, and performance.
• Build and manage cloud infrastructure using Terraform and modern CI/CD practices.
• Implement monitoring, logging, alerting, and observability across production environments.
• Troubleshoot production issues and perform root‑cause analysis across applications and infrastructure.
• Partner with engineering teams to improve deployment processes, reliability, and overall platform performance.
• Contribute across multiple areas of the technology stack and take ownership from development through production.

Skills

Hands-on coding

Strong software engineering

Cross-functional collaboration

Tools

Node.js

Python

AWS

Terraform

CI/CD

Observability

System design

VPC networking

API Gateway

DynamoDB

RDS

CloudWatch

IAM

Job description

We are looking for a hands‑on AWS Platform Engineer with a strong software development background to help design, build, deploy, and operate cloud‑based applications and platform services. This person should bring a developer mindset to platform engineering, with strong AWS experience, system design skills, and the ability to work across application development, infrastructure, deployment, observability, and production support.

Responsibilities:

• Design, build, and support scalable applications and platform services in AWS.
• Develop backend services, APIs, integrations, and automation using languages such as Node.js and Python.
• Participate in system design and architecture decisions around scalability, reliability, security, and performance.
• Build and manage cloud infrastructure using Terraform and modern CI/CD practices.
• Implement monitoring, logging, alerting, and observability across production environments.
• Troubleshoot production issues and perform root‑cause analysis across applications and infrastructure.
• Partner with engineering teams to improve deployment processes, reliability, and overall platform performance.
• Contribute across multiple areas of the technology stack and take ownership from development through production.

Experience:

• Strong software engineering background with hands‑on coding experience.
• Deep hands‑on experience building and operating applications on AWS.
• Experience with AWS services such as Lambda, API Gateway, S3, DynamoDB/RDS, CloudWatch, IAM, and VPC networking.
• Strong system design and cloud architecture experience.
• Experience with platform engineering, infrastructure as code, CI/CD, and production deployments.
• Experience with Terraform or similar Infrastructure as Code tooling.
• Experience with observability, monitoring, debugging, and production troubleshooting.
• Backend development experience with Node.js, Python, or similar technologies.
• Comfortable working in environments where engineers wear multiple hats across development, infrastructure, and operations.
• CRM experience is a plus; Salesforce experience is not required.
• Experience with AI assistants, Amazon Connect, Lex, or SRE practices is a plus but not required.