Senior Backend Engineer - Scalable APIs & Microservices

CBTS; Tennessee; On-site; USD 90,000 - 120,000; Full time

Job summary

CBTS is seeking a seasoned Application Development (Back-End) professional to design and optimize secure, scalable backend systems. You will build robust APIs and microservices while integrating security considerations across enterprise-grade applications.

You will collaborate with cross-functional teams to ensure reliable, cloud-ready solutions and maintain high code quality and performance. Prior experience with Node.js and Java Spring Boot is preferred.

Qualifications

• Degree in Engineering, CS, Electronics, Telecommunications, or IT.
• 6–8 years of graduate experience.
• Guidewire Certified.

Responsibilities

• Develop and maintain server-side logic, APIs, and integration services for large-scale applications.
• Optimize application performance, scalability, and reliability through code quality and database tuning.
• Implement microservices architecture using modern frameworks (e.g., Node.js, Java Spring Boot).
• Integrate authentication, authorization, and data security mechanisms into application backbones.
• Collaborate with front-end, DevOps, and QA teams to deliver end-to-end, cloud-ready solutions.
• Troubleshoot production issues, perform root-cause analysis, and drive resolution improvements.

Skills

Node.js

Java Spring Boot

APIs

Security

Education

Engineering degree

Tools

Git

Cloud platforms

Job description

CBTS is seeking a seasoned Application Development (Back-End) professional to design and optimize secure, scalable backend systems. You will build robust APIs and microservices while integrating security considerations across enterprise-grade applications.

You will collaborate with cross-functional teams to ensure reliable, cloud-ready solutions and maintain high code quality and performance. Prior experience with Node.js and Java Spring Boot is preferred.