Senior Appian Developer​/Consultant

Overview

REI Systems delivers reliable, innovative technology solutions that advance federal missions and improve the lives of millions. We take a Mindful Modernization® approach in delivering services across application modernization, case management, grants management, government data analytics, AI/ML, and digital services. This approach ensures mission impact by aligning strategic objectives with measurable outcomes through people, processes, and technology.

As part of our commitment to innovation, REI is rapidly expanding its use of Artificial Intelligence (AI), automation, and machine learning to improve the way federal agencies operate and deliver services. We are looking for Appian professionals who can not only design and build exceptional low-code solutions, but who also understand how to leverage AI to enhance workflows, improve user experience, and accelerate mission outcomes.

Employees voted REI Systems a Washington Post Top Workplace in 2015, 2016, 2018, 2020, 2021, 2022, 2023, 2024 and 2025!

REI is looking for an Senior Appian Consultant to architect, design and implement industry-focused, integrated solutions leveraging the entire Appian Technology Platform of solutions. As a Senior Appian Consultant you will be a key leader for the business of consulting as well as the business of our clients. REI’s growth trajectory ensures that Senior Appian Consultants will immediately impact customer interaction and team development, working closely with our clients and REI core members.

Not only do REI developers become experts at building process applications on the Appian software, they also become business process experts in the various client industries they work.

• Lead implementation teams through complex technical solutions with Appian and tangential technologies
• Work directly with project stakeholders throughout the entire life-cycle of projects to define, design, and implement business process based solutions
• Guide clients on architecture design, configuration management, Dev Sec Ops , and other program initiatives as needed to drive technical success
• Ensure solutions are built for scale and performance
• Design and implement solutions with Appian software and provide demonstrations to clients
• Independently interface with client technical teams and business owners as needed during the design and implementation
• Create and document implementation best practices as well as knowledge base articles for internal enablement
• Supervise, mentor and develop junior consultants on application and implementation methodology
• Provide thought leadership on process improvement other similar professional duties may be assigned as needed

• 3+ years of experience with Appian solutions
• 5+ years of related IT experience
• Bachelor’s Degree (or equivalent) or higher in Computer Science, Information Systems, Systems Engineering, or related area
• Active Appian Senior or Lead Certification
• Strong experience with Appian delivery using an Agile methodology
• Strong technical design and implementation and problem-solving skills
• Strong communication skills and ability to convey complex concepts in an easy-to-understand manner, both verbally and written; active listening skills to gather key information from internal and external partners; analytical and strategic foresight
• Strong organizational skills, attention to detail, ability to work in a high-paced environment, multi-task (prioritize and manage), and work both independently and as a team (team-building skills including courtesy, professionalism, and a “do whatever it takes attitude”)
• Agile certification
• Experience Working In The Following Technologies
  
  Required:
  • Appian
  • RDBMS (e.g. Oracle, SQL Server, MySQL/Maria
    
    DB)
  • Web services, Integrations and Middleware (e.g., RESTful/SOAP, Mule/IIB/Fusion)
• Experience Working In The Following Areas Is A PLUS:
  • Cloud Computing/IaaS (e.g., AWS, Azure, Google Cloud)
  • Authentication (e.g., SAML, Kerberos, OAuth, LDAP)
  • Dev Sec Ops  and/or Configuration Management
  • Machine Learning, Artificial Intelligence

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