Backend Software Engineer (Backend-Focused / Full Stack)
Backend Software Engineer Job Description
CalTek Staffing is hiring Backend Software Engineers. These roles focus on building scalable backend systems, APIs, and cloud-based services that support modern web and mobile applications.
This position is ideal for backend developers or backend-leaning full stack engineers who enjoy working with distributed systems, cloud platforms, and high-performance applications.
Backend Software Engineer Responsibilities
Design, develop, and maintain RESTful and / or GraphQL APIs
Build scalable, fault-tolerant backend services using modern frameworks
Design and optimize SQL and NoSQL databases
Implement authentication, authorization, and data security best practices
Write clean, testable, maintainable production-ready code
Collaborate with frontend engineers, DevOps, and product teams
Participate in code reviews and architectural planning
Troubleshoot production issues and improve system performance and reliability
Backend Software Engineer Requirements
4+ years of professional backend software development experience
Proficiency in one or more backend languages :
Python, Java, Node.js, Go, or C#
Experience building and maintaining backend APIs and services
Strong understanding of :
HTTP, REST, microservices architecture
SQL (PostgreSQL, MySQL) and / or NoSQL (MongoDB, DynamoDB)
Experience working in cloud environments such as AWS, GCP, or Azure
Familiarity with Git and collaborative development workflows
Preferred Qualifications (Nice to Have)
Microservices and distributed systems experience
Containerization and orchestration (Docker, Kubernetes)
CI / CD pipelines and deployment automation
Messaging or event-driven systems (Kafka, RabbitMQ, SQS)
Application security best practices (OAuth, JWT, encryption)
Technology Stack
Backend : Node.js, Python, Java, Go
Databases : PostgreSQL, MySQL, MongoDB
Cloud Platforms : AWS (EC2, Lambda, RDS), GCP, Azure
Tools : Docker, GitHub / GitLab, Terraform, CI / CD pipelines
Compensation & Job Types
Direct Hire : $135,000 – $165,000 base salary (W2, depending on experience
Why Apply Through CalTek Staffing?
CalTek Staffing has specialized in software engineering and technical staffing for over 20 years. We partner with vetted companies across Southern California to match engineers with roles aligned to their technical skills, career goals, and preferred work environments.
Apply Today
If you’re a Backend Software Engineer or Backend-Focused Full Stack Developer looking for opportunities in Los Angeles or Orange County, apply today to learn more about current openings.
Backend Software Engineer BackendFocused Full Stack • Irvine, CA