Hivaa Services LLC
Sr. Java/Springboot Developer
Skills
3 days ago
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Important information
Contract type:
Freelance / Contract
Location:
Dallas, TX, USA
Work mode:
Onsite
Published on:
17 October 2026
What they need
Job Title: Senior Java / Spring Boot Developer
Locations: Dallas, TX | New York, NY | Chicago, IL
Work Arrangement: Onsite – 5 Days per Week
Job Description
We are seeking a Senior Java Backend Developer with strong expertise in Java, Spring Boot, and scalable backend application development. The ideal candidate will have hands-on experience in performance optimization, CPU and memory management, and backend troubleshooting, along with experience in Node.js or Python FastAPI. Exposure to Generative AI and GraphQL is a plus.
Primary Skills
- Java Backend Development
- Spring Boot / Spring Framework
- RESTful APIs and Microservices
- Application Performance Optimization
- CPU Utilization and Memory Management
- Node.js or Python FastAPI
- Debugging and Root-Cause Analysis
Key Responsibilities
- Design, develop, and maintain scalable backend applications using Java and Spring Boot.
- Build secure, reliable, and high-performance REST APIs and microservices.
- Identify performance bottlenecks and optimize CPU, memory, and application efficiency.
- Develop or integrate backend services using Node.js or Python FastAPI.
- Troubleshoot production issues and perform root-cause analysis.
- Collaborate with architecture, DevOps, frontend, and product teams.
- Participate in code reviews, technical design discussions, and architectural decisions.
- Improve application scalability, reliability, and maintainability.
Required Qualifications
- Strong hands-on experience in Java and Spring Boot.
- Solid understanding of backend architecture, REST APIs, and microservices.
- Experience with CPU/memory optimization and performance tuning.
- Hands-on experience with Node.js or Python FastAPI.
- Strong debugging, problem-solving, and analytical skills.
- Knowledge of software development lifecycle, coding standards, and version control.
Preferred Qualifications
- Exposure to Generative AI / GenAI technologies.
- Experience with GraphQL APIs.
- Familiarity with cloud platforms and cloud-native development.
- Knowledge of containers, CI/CD pipelines, monitoring, and performance profiling tools.
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