Java Developer/Full Stack Developer

Ethereum Technologies LLC; Charlotte, Northern (NC, KY); Hybrid; USD 90,000 - 130,000; Full time

Job summary

Ethereum Technologies LLC in Charlotte, NC is seeking a Java Developer/Full Stack Developer to lead design and development of Java/J2EE microservices, with hands-on coding and performance tuning. The role emphasizes scalable architectures, REST APIs, and collaboration with cross-functional teams.

Ideal candidates have strong experience in Spring, Microservices, Kafka/MQ, and MongoDB, with Docker/Kubernetes as a plus.

Qualifications

• Proven experience in Java/J2EE and Spring-based microservices.
• Strong REST API and distributed systems understanding.
• Hands-on with Kafka/MQ for streaming and messaging.
• Experience with MongoDB data modeling and performance optimization.
• Familiarity with design patterns and system design principles.
• Good communication and collaboration across teams.
• Experience with Docker/Kubernetes is a plus.

Responsibilities

• Lead design and development of Java/J2EE microservices.
• Hands-on coding, debugging, and performance tuning.
• Design event-driven architectures using Kafka/MQ.
• Mentor developers, conduct code reviews, enforce best practices.
• Collaborate with architects, product owners, and stakeholders.
• Ensure scalability, reliability, and security of systems.
• Support deployment, monitoring, and production issues.

Skills

Java/J2EE

Spring

Microservices

REST APIs

Kafka/MQ

MongoDB

Docker/Kubernetes

Tools

Kafka

MongoDB

Docker/Kubernetes

Job description

Position: Java Developer/Full Stack Developer

Location: Charlotte, NC (Hybrid- 3 days onsite)

Interview: First round is Virtual (Video) and Final round is Face-to-face (In Person) Interview.

Key Responsibilities:

• Lead design and development of Java/J2EE-based microservices applications
• Actively contribute to hands-on coding, debugging, and performance tuning
• Design and implement event-driven architecturesusing Kafka/MQ
• Guide and mentor developers, conduct code reviews, and enforce best practices
• Work closely with architects, product owners, and stakeholders to translate requirements into technical designs
• Ensure system scalability, reliability, and security
• Drive adoption of clean code, design patterns, and microservices best practices
• Support deployment, monitoring, and production issues

Required Skills:

• Strong expertise in Java/J2EE, Spring, Spring Boot
• Solid understanding of Microservices architecture, REST APIs, and distributed systems
• Hands‑on experience with Kafka/MQ(producers, consumers, streams, error handling)
• Strong experience in MongoDB(data modeling, indexing, performance optimization)
• Good knowledge of design patterns, system design, and architectural principles
• Experience with Docker/Kubernetesis a plus
• Strong communication skillsand ability to explain technical designs clearly

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