Senior Java AI Engineer / Architect

Ethereum Technologies; Atlanta (GA); On-site; USD 114,000 - 157,000; Full time

Job summary

Ethereum Technologies in Atlanta is seeking a Senior Java AI Engineer / Architect to own the design of scalable, secure backend systems and AI-enabled applications. You will build production-grade Java solutions, lead architectural decisions, and drive end-to-end delivery with a focus on reliability and security.

The role emphasizes hands-on development, microservices, and strong collaboration with cross-functional teams to deliver robust AI-powered features in a fast-paced environment.

Qualifications

• Hands-on Senior Java AI Engineer with architectural ownership and production-grade delivery.
• Experience in designing scalable, secure systems and distributed architectures.
• Proficient in RESTful services, microservices, and modern Java stacks.

Responsibilities

• Lead end-to-end system design and ownership for Java AI solutions.
• Develop and maintain production-grade backend services with strong security and observability.

Skills

Java

Distributed systems

Spring Boot

REST APIs

AuthN/AuthZ

OAuth2 / OIDC / JWT

SQL / NoSQL

CI/CD

Observability

Tools

Docker

Kubernetes

Kafka

Hibernate / JPA

Spring Cloud

Git / CI tooling

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title:Senior Java AI Engineer / Architect
Location: Atlanta,GA
Duration: 10 Months
Bill Rate: $98/hour (C2C)
Job Type: W-2, 1099, C2C
Client: To Be Discussed Later
Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description:

• We are looking for a hands-on Senior Java AI Engineer / Architect with strong expertise in system design, distributed systems, backend engineering, security, and production-grade Generative AI solutions.The ideal candidate must demonstrate individual architectural ownership, independently design scalable and secure systems, and deliver production-ready Java and AI applications.

Mandatory Technical Skills:

• End-to-end system architecture and technical ownership.
• High-Level Design (HLD) and Low-Level Design (LLD).
• API contracts, data models, and sequence diagrams.
• Distributed system design, scalability, availability, and performance.
• Architecture reviews, trade-off analysis, and production ownership.
• Microservices, REST APIs, and Kafka or equivalent messaging.
• Idempotency, retries, timeouts, circuit breakers, and dead-letter queues.
• Outbox / Saga patterns and transaction consistency.
• Authentication and Authorization (AuthN/AuthZ).
• OAuth2, OIDC, JWT, RBAC, and ABAC.
• Resource-level permissions, least privilege, and tenant isolation.
• Capacity planning, horizontal scaling, SLOs/SLIs, tracing, and observability.
• Spring Boot and Spring Cloud.
• Hibernate / JPA.
• REST API and microservices development.
• Event-driven architecture and backend integrations.
• SQL and NoSQL database design.
• Docker, Kubernetes, CI/CD, and automated testing.

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.