Senior Backend Developer (AWS/Azure, Python Expert)

Ethereum Technologies LLC; San Diego (CA); On-site; USD 150,000 - 210,000; Full time

Job summary

ETHEREUM TECHNOLOGIES LLC is seeking a Senior Backend Developer to own backend services with deep AWS and Azure expertise. The role emphasizes Python development, with Go and C++ as strong pluses, and involves working across diverse databases including RDBMS, data lakes, DynamoDB, and NoSQL.

You will build secure, scalable systems, design CI/CD pipelines on AWS, and automate infrastructure with Terraform or AWS CDK, while collaborating in an Agile environment.

Qualifications

• Bachelor's degree in CS, Engineering, Mathematics or related field.
• Strong experience with Linux environments and backend development.
• Expert-level Python, with knowledge of Go and C++ preferred.

Responsibilities

• Ensure application security, performance, and scalability in regulated environments.
• Write clean, well-documented code and follow best practices.
• Troubleshoot and resolve issues across the application stack.

Skills

Linux

Python

Go

C++

Django

AWS

Azure

SQL

Education

Bachelor's degree in Computer Science, Engineering, Mathematics

Tools

Terraform

AWS CDK

Docker

Kubernetes

CloudWatch

Job description

We are seeking a highly skilled Senior Backend Developer with deep expertise in AWS and Azure and advanced proficiency in Python. Experience with Go and C++ is a strong plus. The ideal candidate is comfortable working across modern database technologies, including RDBMS, 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 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.

Required Qualifications:

• Strong experience with Linux environments.


• Expert-level Python skills; knowledge of C++ and Go preferred.


• Experience with Django.


• Strong proficiency in AWS 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.


• Minimum 7 years of post-education professional experience (work-study does not apply).


• AWS and/or Azure Professional-level certifications strongly preferred.

ETHEREUM 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. ETHEREUM 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 ETHEREUM 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