Senior Backend Developer (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

Location:

Duration:

23Months+ Extension

Hourly Rate:

Depending on Experience (DOE)

Work Authorization:

We are seeking a highly skilledSenior Backend Developerwith deep expertise inAWS and Azureand advanced proficiency inPython. Experience withGoandC++is a strong plus. The ideal candidate is comfortable working across modern database technologies, includingRDBMS, data lake platforms, DynamoDB, and other NoSQL solutions.

Key Responsibilities:

• Ensure application security, performance, and scalability within regulated environments (HIPAA, FedRAMP High).
• Write clean, maintainable, and well-documented code following industry best practices.
• 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 usingTerraformand/orAWS CDK.
• Design, build, and operationalize data and ML pipelines usingAWS 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.

Required Qualifications:

• Strong experience withLinuxenvironments.
• Expert-level Pythonskills; knowledge ofC++andGopreferred.
• Experience withDjango.
• Strong proficiency inAWS or Azure(experience in both is preferred; ability to learn the other quickly is required).
• Experience deploying and managing containerized applications (ECS strongly preferred; Kubernetes a plus).
• Bachelor’s degree in Computer Science, Engineering, Mathematics, or related field.
• Minimum7 years of post-education professional experience(work-study does not apply).
• AWS and/or Azure Professional-level certifications strongly preferred.

VALIANT TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. VALIANT TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will VALIANT TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract