Remote Senior Backend Engineer: Secure APIs & Cloud-Native

Command Cyber Solutions, LLC; United States; Remote; USD 175,000 - 185,000; Full time

Benefits offered by this job

Medical and prescription drug plans

Dental coverage

Group life insurance

Disability insurance

Flexible spending accounts

401(k) with company contributions

Job summary

Command Cyber Solutions, LLC is seeking a Senior Back-End Developer to support the IRS BTA modernization initiative. You will build secure, scalable server-side applications and APIs, collaborating with cross-functional teams including front-end, DevOps, and cybersecurity, aligned with IRS cloud and security standards.

The role requires 6+ years in development, with strong experience in Java/Node.js/Python, RESTful APIs, and cloud-native practices.

Qualifications

• 6+ years of experience, including at least 3+ years in a developer role.
• Experience in Agile/Scrum environments delivering iterative releases.
• Familiarity with IRS cloud environments, FedRAMP, FISMA, and NIST 800-53 standards.
• Experience with Jenkins, Git, SonarQube, NexusIQ, Selenium, and AppDynamics.

Responsibilities

• Lead the design and development of secure back-end services, RESTful APIs, and microservices that integrate with IRS digital platforms.
• Implement best practices for cloud-native applications in an AWS and Kubernetes-based environment, ensuring compliance with IRS Publication 4812, NIST 800-53, and FISMA requirements.
• Collaborate with product owners, technical leads, and stakeholders to refine user stories and translate them into functional back-end features.
• Support CI/CD processes using Jenkins, GitHub Actions, and SonarQube, including automated testing and secure deployments.
• Perform unit testing, integration testing, and assist in developing automated test cases to ensure 90%+ code coverage for critical functionality.
• Troubleshoot and resolve production issues, providing root cause analysis and implementing long-term fixes.
• Contribute to performance tuning, scalability testing, and capacity planning to meet IRS standards for availability and load performance.

Skills

Java

Node.js

Python

API design

RESTful APIs

Microservices

Cloud security

Education

Bachelor's degree

Tools

Jenkins

Git

SonarQube

NexusIQ

Selenium

AppDynamics

Docker/Podman

Kubernetes

AWS

Job description

Command Cyber Solutions, LLC is seeking a Senior Back-End Developer to support the IRS BTA modernization initiative. You will build secure, scalable server-side applications and APIs, collaborating with cross-functional teams including front-end, DevOps, and cybersecurity, aligned with IRS cloud and security standards.

The role requires 6+ years in development, with strong experience in Java/Node.js/Python, RESTful APIs, and cloud-native practices.