Staff Engineer I Java

Job Description

Job Description

About NationMind LLC:
NationMind LLC is a technology consulting firm focused on software development and QA testing services. We help clients build reliable, scalable applications with a strong emphasis on automation, performance, and quality. Our team works across industries, delivering solutions that drive innovation and operational efficiency. We are currently hiring skilled professionals for Staff Engineer I (JAVA) to join our growing team.

Location: Remote (Must work EST or CST hours)
Eligibility: Must be US Citizen or Green Card holder (GC) and able to convert

About the Role

We are seeking a Staff Engineer I (Java) to provide senior technical leadership for backend development supporting the Workflow Orchestration Initiative . This role focuses on building scalable, secure, and reusable Java-based microservices that power enterprise workflow and automation solutions using platforms such as Appian .

You will contribute to the Payment Business Units Workflow Intelligence and Optimization initiative , partnering closely with architects and senior engineers to design and deliver high-quality backend services and integrations.

Key Responsibilities

• Lead design and development of Java backend services supporting workflow orchestration platforms (e.g., Appian)
• Define backend architecture standards, design patterns, and best practices for workflow-centric systems
• Design and build scalable microservices using Java and Spring Boot / Spring-based frameworks
• Develop secure and reusable REST APIs and enterprise integrations
• Implement event-driven and messaging-based integration patterns
• Collaborate with product, infrastructure, security, and data teams for end-to-end solution alignment
• Support CI/CD, DevSecOps practices, observability, and automated testing
• Mentor engineers and lead code/design reviews to promote engineering excellence

Required Qualifications

• Bachelors degree in Computer Science, Engineering, or related field (or equivalent experience)
• 7+ years of enterprise application development experience
• 5+ years of strong Java development experience
• Deep expertise in microservices architecture and API design
• Strong experience with Spring Boot / Spring Cloud
• Hands-on experience with RESTful services and service security
• Experience with relational databases (PostgreSQL preferred), schema design, and performance tuning
• Experience with caching technologies (Redis / Memcached)
• Strong understanding of Agile practices (SAFe preferred)
• Excellent communication and collaboration skills

Preferred Qualifications

• Experience integrating Java services with workflow/BPM platforms such as Appian, Camunda, or jBPM
• Healthcare IT, payer systems, or payment integrity experience
• Experience in workflow orchestration or integration Centers of Excellence (CoE)
• Exposure to AI-enabled backend services or workflow intelligence systems

Why This Role

This is a high-impact Staff Engineer position where you will help define and deliver enterprise-scale workflow automation systems , working across architecture, backend engineering, and platform integration in a highly collaborative environment.