Senior Java Backend Engineer - ONSITE

Gramian Consulting Group

Columbus, Ohio, United States permanent

Posted: April 16, 2026

Job Description

About Us

Gramian Consultancy is a boutique consultancy specializing in IT professional services and engineering talent solutions. With a strong background in engineering and leadership, we help companies build high-performing teams by matching them with professionals who truly fit their needs.

About the Role

We are supporting a large-scale hiring initiative for a high-impact engineering program, with 30+ Java Backend Engineers joining distributed teams across multiple US locations.

This role focuses on building scalable, high-performance backend systems using modern Java ecosystems and cloud-native architectures. You’ll work within complex environments where microservices, event-driven systems, and real-time data processing are central to the platform.

As a Java Backend Engineer, you will design and deliver robust backend services, contribute to microservices architecture, and support cloud-based deployments. You’ll collaborate closely with cross-functional teams to build reliable, scalable, and production-ready systems.

Location: ONSITE

Contract: W2 ONLY

Responsibilities

• Design, develop, and maintain backend services using Java and Spring Boot
• Build and scale microservices-based architectures in distributed environments
• Develop and integrate RESTful APIs for internal and external systems
• Implement event-driven architectures using Kafka or similar messaging systems
• Deploy and manage applications on AWS cloud infrastructure
• Collaborate with product, QA, and DevOps teams to deliver high-quality solutions
• Ensure code quality through testing, reviews, and engineering best practices
• Troubleshoot, optimize, and improve system performance and reliability

Requirements:
• 3+ years of experience in backend development
• Strong hands-on experience with Java (8+)
• Solid experience with Spring Boot and microservices architecture
• Experience building and consuming REST APIs
• Experience with Kafka or similar messaging/event streaming systems
• Working knowledge of AWS (EC2, S3, Lambda, etc.)
• Understanding of distributed systems and event-driven design
• Experience with CI/CD pipelines and DevOps practices
• Strong problem-solving and analytical skills

Nice to Have

• Experience in financial services or banking environments
• Familiarity with Docker and Kubernetes
• Knowledge of SQL and/or NoSQL databases
• Experience working in Agile/Scrum environments

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