Back-end Developer - SQL & Java

At TechBiz Global , we are providing recruitment service to our TOP clients from our portfolio. We are currently looking for a skilled Java Backend Engineer to join one of our clients' teams . You will play a key role in building an Applicant Tracking System (ATS) integrated with REST APIs and FIX APIs. You will work closely with product managers, architects, and front-end engineers to design, develop, and optimize scalable backend services for high-performance applications.

Design and implement backend services and APIs in Java (Spring Boot / Jakarta EE) for ATS functionality.

• Collaborate with DevOps to deploy and monitor services in production environments (AWS, GCP, Azure, or on-prem).
• Optimize database performance (SQL/NoSQL) and design schemas for ATS workflows.
• Conduct code reviews, unit testing, and integration testing to maintain code quality.
• Troubleshoot and resolve performance, scalability, and reliability issues.
• Stay updated on emerging technologies, protocols, and best practices in API development and backend engineering.
• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• 3–5 years of professional experience** in backend development with Java.
• Solid knowledge of multithreading, concurrency, and low-latency system design.
• Experience with databases (PostgreSQL, MySQL, MongoDB, Redis, etc.).
• Proficiency in Git, CI/CD pipelines, Docker, Kubernetes.
• Experience with financial systems, trading platforms, or ATS solutions.

Exposure to cloud services (AWS/GCP/Azure).