Senior Engineer- Python+ AWS Lambda

R Systems; Dadri; On-site; INR 600,000 - 900,000; Full time

Job summary

R Systems is seeking a Software Engineer to design and implement AWS‑based solutions, focusing on serverless architectures and secure cloud patterns. You will use Python and AWS services including API Gateway, Lambda, and Step Functions, with IAM, VPC, KMS and Secrets Manager, plus IaC tooling like Terraform, CloudFormation, or AWS CDK to deliver reliable systems.

We value collaboration and a proactive approach to security best practices, mentoring peers, and documenting technical decisions to

Qualifications

• Proficiency in Python programming.
• Experience designing and implementing solutions using Amazon API Gateway and AWS Lambda.
• Understanding of AWS Step Functions for workflow orchestration.
• Foundational knowledge of AWS Security including IAM, VPC, KMS, and Secrets Manager.
• Practical experience with Infrastructure as Code (IaC) using Terraform, CloudFormation, or AWS CDK.
• Ability to apply security best practices within cloud environments.

Skills

Python

Security best practices

Tools

AWS API Gateway

AWS Lambda

AWS Step Functions

IAM

VPC

KMS

Secrets Manager

Terraform

CloudFormation

AWS CDK

Job description

We are seeking a Software Engineer to join our team, focusing on the design and implementation of AWS-based solutions. We value technical proficiency and a collaborative mindset, welcoming applicants from all backgrounds. Our organization is committed to providing a safe, inclusive, and accessible work environment for everyone.

Required Skills and Qualifications:

• Proficiency in Python programming.
• Experience designing and implementing solutions using Amazon API Gateway and AWS Lambda.
• Understanding of AWS Step Functions for workflow orchestration.
• Foundational knowledge of AWS Security including IAM, VPC, KMS, and Secrets Manager.
• Practical experience with Infrastructure as Code (IaC) using Terraform, CloudFormation, or AWS CDK.
• Ability to apply security best practices within cloud environments.

Preferred Skills and Experience:

• Experience building scalable and cost-effective serverless architectures.
• Familiarity with architectural design patterns on AWS.
• Previous experience in mentoring peers or contributing to technical documentation.