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 Unit’s 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

Bachelor’s 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.