Lead Appian Developer

REI Systems; Washington (District of Columbia); Hybrid; USD 120,000 - 160,000; Full time

Job summary

REI Systems is seeking an Appian Application Architect to lead digital modernization initiatives. The role involves overseeing Appian implementations, collaborating with stakeholders, and ensuring alignment with enterprise architecture. Candidates should have extensive IT experience, Appian certification, and a strong background in database design. Join a top workplace that values innovation and collaboration.

Benefits

Collaborate with top-tier Appian experts

Career growth through leadership opportunities

Culture of curiosity and empathy

Qualifications

• 10+ years of overall IT experience, including 7+ years designing Appian solutions.
• Appian Certified Lead Developer required.
• Experience in federal, commercial, or regulated industries.

Responsibilities

• Oversee complex Appian implementations aligning with enterprise architecture.
• Translate business needs into scalable applications using the Appian platform.
• Lead design of application and integration architectures.

Skills

Process modeling

Data fabric

Security design

APIs

Agile delivery practices

Effective communication

Education

Bachelor’s degree in Computer Science, Engineering, Information Systems, or related field

Tools

Oracle

SQL Server

MySQL

AWS

Azure

GCP

Job description

Overview

At REI Systems, we don’t just build applications—we deliver transformative outcomes that improve how government and businesses serve people. We’re seeking an Appian Application Architect with the vision, leadership, and deep technical acumen to architect and guide digital modernization initiatives across diverse clients and industries.

As a Washington Post Top Workplace 6 out of the last 7 years, REI Systems fosters a collaborative and innovative culture where your leadership will directly impact customer success and organizational growth.

Responsibilities

Project Overview: Application Moderization of an Appian System

Position Overview As Lead Appian Developer, oversee complex Appian implementations, ensuring they align with enterprise architecture, data strategy, and security requirements. Responsible for translating business needs into scalable, secure, and high-performing applications by leveraging the full Appian platform stack. Collaborating closely with stakeholders, Help shape technical roadmaps, modernization strategies, and adoption plans that drive long-term value. Lead the design of application and integration architectures, including external APIs, cloud services, document management systems, and legacy technologies. Role also involves conducting architecture reviews, enforcing platform and development best practices, and mentoring Appian developers and solution designers to strengthen delivery capabilities and build internal expertise. Additionally, help define and track key metrics that demonstrate business impact, such as reduced cycle times, improved compliance, and increased user satisfaction.

Qualifications

• 10+ years of overall IT experience, including 7+ years designing and delivering Appian-based solutions
• Appian Certified Lead Developer (required)
• Experience delivering solutions across 3 or more distinct client environments, preferably across federal, commercial, or regulated industries
• Mastery of Appian’s platform capabilities including process modeling, data fabric, security design, interfaces, and record-centric applications
• Strong background in database design (e.g., Oracle, SQL Server, MySQL), APIs (REST/SOAP), and Agile delivery practices
• Effective communicator able to articulate complex ideas clearly to both technical and non-technical audiences
• Bachelor’s degree in Computer Science, Engineering, Information Systems, or a related field

Preferred Qualifications

• Familiarity with:
  • Cloud services and architecture (AWS, Azure, or GCP)
  • Authentication and identity protocols (SAML, OAuth, LDAP)
  • DevSecOps, CI/CD pipelines, infrastructure automation
  • Process HQ, Grid+, AI Agents, and other new features in Appian 25.x
  • Working in security and compliance-sensitive environments

Why REI Systems

• Deliver solutions that matter, with impact at scale
• Collaborate with top-tier Appian experts and innovators
• Enjoy a culture that blends curiosity, empathy, and excellence
• Grow your career through leadership opportunities, certifications, and thought leadership

Education: BS, BA, Degree required

Clearance: Applicants must be U.S. citizens to comply with security clearance and government contract regulations

REI Systems is an Equal Opportunity Employer (Minority/Female/Disability/Vet).

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