Python Backend & AWS Integration Engineer

UsefulBI; India; On-site; INR 2,000,000 - 3,600,000; Full time

Job summary

UsefulBI is seeking an experienced Python Backend Engineer (AWS Integration) to design and build scalable, cloud-native backend services. You will implement REST APIs, services, and secure AWS integrations while working with cross-functional teams to deliver end-to-end solutions.

The role requires strong Python expertise, familiarity with distributed architectures, Docker, and modern deployment practices. Applicants should have 4–8+ years of backend experience and a passion for scalable systems.

Qualifications

• 4-8+ years of experience in backend development with Python.
• Strong experience designing REST APIs and microservices.
• Hands-on experience integrating AWS services (S3, Lambda, EC2, ECS, Glue, Athena, Redshift, RDS, ECR, IAM, Step Functions, DynamoDB, Bedrock).
• Knowledge of system design, distributed architectures, containerization, and cloud-native patterns.
• Experience with Docker, GitHub, Postman, Linux, and deployment tooling.

Responsibilities

• Design, develop, and maintain scalable backend applications using Python.
• Develop and integrate RESTful APIs and microservices.
• Build cloud-native applications leveraging AWS services.
• Design secure, efficient AWS integrations across components.
• Collaborate with frontend, data engineering, and DevOps teams.

Skills

Core Python

Backend development

REST API design

Distributed systems

Docker

GitHub

Postman

Linux

Microservices

System design

Caching

CAP theorem

Cloud architectures

Tools

S3

Lambda

EC2

ECS

DynamoDB

RDS

Redshift

Glue

Athena

Bedrock

IAM

Step Functions

Docker

Kubernetes

Terraform

Job description

JOB DESCRIPTION

Job Summary:

We are We are looking for a skilled Python Backend Engineer (AWS Integration) with strong expertise in backend application development, AWS service integrations, and scalable distributed systems. The ideal candidate should have hands-on experience in designing and developing RESTful APIs, integrating AWS services, and building cloud-native backend applications using Python. The role requires a solid understanding of system design principles, scalability, containerization, and cloud architecture.

Key Responsibilities:

• Design, develop, and maintain scalable backend applications using Python
• Develop and integrate RESTful APIs and microservices
• Build cloud-native applications leveraging AWS services
• Design secure and efficient integrations across AWS components
• Collaborate with frontend, data engineering, and DevOps teams to deliver end-to-end solutions
• Design scalable architectures following distributed system principles
• Optimize application performance, reliability, and scalability
• Containerize applications using Docker and support deployment workflows
• Implement authentication, authorization, and secure API practices
• Troubleshoot production issues and improve system performance

Required Skills & Qualifications:

• 4-8+ years of experience.
• Strong proficiency in Core Python and backend development
• Hands-on experience with REST API design and development
• Strong experience integrating AWS services including S3, Lambda, EC2, ECS, Glue, Athena, Redshift, RDS, ECR, IAM, Step Functions, DynamoDB, and Amazon Bedrock
• Strong understanding of System Design and distributed architectures
• Experience with Docker and containerized application development
• Knowledge of Vertical Scaling, Horizontal Scaling, Sharding, Caching, and CAP Theorem
• Experience with GitHub, Postman, and Docker Desktop
• Strong understanding of Microservices architecture
• Familiarity with Linux and application deployment
• Experience troubleshooting and optimizing backend applications

Good to Have:

• Strong SQL skills
• Exposure to Generative AI and Large Language Models (LLMs)
• Experience with FastAPI or Flask
• Knowledge of CI/CD pipelines and GitHub Actions
• Experience with Kubernetes (EKS) and Terraform
• Exposure to Event-driven architectures and messaging systems
• AWS Certifications (Developer Associate or Solutions Architect Associate