Senior Backend Engineer - AWS & Azure, Python Expert

Valiant Technologies LLC; San Diego (CA); On-site; USD 83,000 - 131,000; Full time

Job summary

VALIANT TECHNOLOGIES LLC is seeking a highly skilled Senior Backend Developer with deep expertise in AWS and Azure. The role emphasizes Python proficiency, with Go and C++ experience considered a strong plus.

The candidate will work with relational and NoSQL databases, data lake platforms, and modern ETL/data/ML pipelines. Responsibilities include securing applications in regulated environments, building scalable services, and developing CI/CD pipelines.

Qualifications

• Bachelor’s degree in CS/Engineering/Math or related field.
• 7+ years of post-education professional experience (work-study not counted).
• AWS and/or Azure professional-level certifications are strongly preferred.

Responsibilities

• Ensure application security, performance, and scalability within regulated environments (HIPAA, FedRAMP High).
• Write clean, maintainable, and well-documented code.
• Troubleshoot and resolve issues across the application stack.
• Collaborate within an Agile development process, including sprint planning and code reviews.
• Build and maintain CI/CD pipelines using AWS CodePipeline, CodeBuild, and Git-based workflows.
• Develop and automate cloud infrastructure using Terraform and/or AWS CDK.
• Design, build, and operationalize data and ML pipelines using AWS Glue, Step Functions, Lambda, EMR, and SageMaker.
• Write robust AWS Glue ETL jobs (Python/PySpark) with exception handling, logging, and CloudWatch monitoring.
• Implement monitoring and dashboards in CloudWatch for ETL processes, data pipelines, and ML endpoints.
• Work with PostgreSQL, MySQL, DynamoDB, and data lake technologies.
• Apply security best practices including IAM least privilege, encryption, and secrets management.
• Contribute to architecture documentation, runbooks, and design reviews.

Skills

Linux

Python

Go

C++

Django

AWS/Azure

PostgreSQL/MySQL

DynamoDB

Education

Bachelor’s degree in Computer Science, Engineering, Mathematics, or related field

Tools

Terraform

AWS CodePipeline/CodeBuild

AWS CDK

Git

CloudWatch

PySpark

Job description

VALIANT TECHNOLOGIES LLC is seeking a highly skilled Senior Backend Developer with deep expertise in AWS and Azure. The role emphasizes Python proficiency, with Go and C++ experience considered a strong plus.

The candidate will work with relational and NoSQL databases, data lake platforms, and modern ETL/data/ML pipelines. Responsibilities include securing applications in regulated environments, building scalable services, and developing CI/CD pipelines.