Senior Java Backend Lead — Spring Boot & Microservices

Quantum Technologies. LLC; Irving (TX); On-site; USD 140,000 - 190,000; Full time

Job summary

QUANTUM TECHNOLOGIES LLC is seeking a seasoned Java backend engineer in Irving, TX, to drive backend development across Spring Boot, microservices, REST APIs, and Hibernate/JPA. You will tackle multithreading, performance tuning, and design patterns while collaborating on cloud deployments (Docker/Kubernetes) and database systems (PostgreSQL, MongoDB, Cassandra).

The role requires 13+ years of experience, strong leadership, and mentoring abilities, with a solid track record delivering complex

Qualifications

• 13+ years backend Java/J2EE experience.
• Strong hands-on expertise in Spring Boot, Microservices, REST APIs, and Hibernate/JPA.
• Solid understanding of multithreading, concurrency, performance tuning, and design patterns.
• Experience with cloud platforms (AWS, Azure, or GCP) and containerization tools (Docker, Kubernetes).
• Strong background in SQL and NoSQL databases (e.g., PostgreSQL, MongoDB, Cassandra).
• Exposure to CI/CD pipelines, build tools (Maven/Gradle), and source control (Git).
• Proven experience in leading teams, mentoring engineers, and delivering complex projects on time.
• Excellent problem-solving, decision-making, and communication skills.

Skills

Java/J2EE

Spring Boot

Microservices

REST APIs

Hibernate/JPA

Multithreading

Performance tuning

Design patterns

Cloud platforms

Docker

Kubernetes

SQL

NoSQL

PostgreSQL

MongoDB

Cassandra

Maven

Gradle

Git

Team leadership

Mentoring engineers

Tools

AWS

Azure

GCP

Job description

QUANTUM TECHNOLOGIES LLC is seeking a seasoned Java backend engineer in Irving, TX, to drive backend development across Spring Boot, microservices, REST APIs, and Hibernate/JPA. You will tackle multithreading, performance tuning, and design patterns while collaborating on cloud deployments (Docker/Kubernetes) and database systems (PostgreSQL, MongoDB, Cassandra).

The role requires 13+ years of experience, strong leadership, and mentoring abilities, with a solid track record delivering complex