Java Lead

Quantum Technologies. LLC; Austin (TX); Presencial; USD 165.000 - 317.000; Jornada completa

Descripción de la vacante

Quantum Technologies LLC seeks a Lead Java Backend Developer (Contractor) in New York. The role focuses on hands-on technical leadership, building scalable microservices with Spring Boot and ensuring high performance for applications processing millions of transactions daily.

Required are 12–16 years of Java backend experience, expertise in Spring Boot, RESTful APIs, JUnit, and CI/CD. Strong problem-solving and leadership skills are essential.

Formación

• 12–16 years of Java backend development experience.
• Strong Spring Boot, microservices architecture and RESTful API design.
• JUnit and test-driven development experience.
• Experience with high-transaction applications processing millions of transactions daily.
• Experience with caching, queuing, and database optimization.
• Familiarity with CI/CD, Git, and containerization tools (Docker/Kubernetes).
• Excellent problem-solving and leadership abilities.

Responsabilidades

• Lead backend team to build scalable microservices using Spring Boot.
• Provide hands-on technical leadership and code ownership.
• Guide teams to optimize performance for millions of daily transactions.
• Collaborate across teams and mentor engineers.

Conocimientos

Java backend

Spring Boot

Microservices

REST API

JUnit

TDD

Caching

Queues

Database optimization

CI/CD

Git

Docker/Kubernetes

Leadership

Herramientas

Docker/Kubernetes

Descripción del empleo

We are seeking a highly experienced Lead Java Backend Developer (Contractor) to join our team in New York. The ideal candidate will have a strong background in building and maintaining scalable microservices using Spring Boot, and must have handled applications involving millions of transactions. This is a hands-on technical leadership role, suited for someone with a deep understanding of high-performance backend systems and team guidance.

Required Skills:

12–16 years of experience in Java backend development.

Strong expertise in Spring Boot, Microservices architecture, and RESTful API design.

Solid experience with Junit and test-driven development.

Proven background in handling applications processing millions of transactions daily.

Experience with caching, queuing, and database optimization techniques.

Familiarity with CI/CD, Git, and containerization tools (Docker/Kubernetes).

Excellent problem-solving skills and the ability to work independently and lead teams.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.