Lead Java Backend Developer

Ethereum Technologies LLC; Irving (TX); On-site; USD 140,000 - 200,000; Full time

Job summary

ETHEREUM TECHNOLOGIES LLC is seeking an experienced backend architect/developer to lead large-scale Java/J2EE projects. You will design and implement systems using Spring Boot, microservices, REST APIs, and Hibernate/JPA, while ensuring performance and scalability.

You will mentor engineers, drive technical decisions, and collaborate with product teams across cloud environments (AWS/Azure/GCP), containers (Docker/Kubernetes), and CI/CD pipelines.

Qualifications

• 13+ years of backend dev experience.
• Expert in Java/J2EE and Spring Boot.
• Experience with microservices, REST APIs.
• Cloud and containerization expertise.
• Strong SQL/NoSQL knowledge.
• CI/CD, build tools, and version control.
• Leadership and mentoring capabilities.
• Excellent problem-solving and communication.

Responsibilities

• Lead teams and deliver complex backend projects.
• Architect scalable Java/J2EE solutions.
• Mentor engineers and review code quality.
• Collaborate with product and ops teams.

Skills

Java/J2EE

Spring Boot

Microservices

REST APIs

Hibernate/JPA

Multithreading

Concurrency

Design patterns

Problem solving

Communication

Tools

Docker

Kubernetes

Maven

Gradle

Git

PostgreSQL

MongoDB

Cassandra

Job description

Job Description : -

• 13+ years of backend development experience with Java/J2EE.
• - Strong hands-on expertise in Spring Boot, Microservices architecture, 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.

ETHEREUM TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. ETHEREUM TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will ETHEREUM TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract