Design, develop, enhance, and maintain Appian applications supporting complex business and operational workflows
Support remediation, conversion, and modernization of custom Appian plugins to align with updated platform standards and compatibility requirements
Troubleshoot and resolve issues related to custom plugins, integrations, and Appian application functionality
Collaborate with architects and senior developers to implement scalable and maintainable technical solutions
Support Appian platform upgrades and related application modernization activities
Assist with development and maintenance of reusable components, shared services, and integration frameworks
Technical Design & Development Support
Participate in technical design discussions, code reviews, and solution implementation activities
Develop and maintain technical documentation, deployment instructions, and support artifacts
Support integration efforts involving APIs, web services, databases, and external systems
Write and optimize SQL queries to support application functionality and reporting needs
Ensure development activities align with coding standards, security requirements, and best practices
Collaborate with QA teams to support defect resolution, testing activities, and deployment readiness
Agile Delivery & Collaboration
Participate in Agile ceremonies including sprint planning, backlog refinement, daily standups, sprint reviews, and retrospectives
Collaborate with Scrum Masters, Business Analysts, developers, QA teams, and stakeholders to support successful delivery outcomes
Assist with estimation, technical planning, and delivery coordination activities
Support troubleshooting, root cause analysis, and issue resolution efforts across development and testing environments
Contribute to a collaborative team environment focused on continuous improvement and delivery quality
Modernization & Continuous Improvement
Support application modernization initiatives within complex Appian environments
Assist with efforts related to plugin remediation, technical debt reduction, and platform optimization
Identify opportunities to improve development efficiency, maintainability, and operational stability
Stay current on Appian platform updates, development best practices, and emerging capabilities
Support knowledge-sharing initiatives across the broader Appian practice, including exposure to Appian AI capabilities where applicable
Required Skills:
3+ years of professional software development experience
Bachelor's degree
2+ years of hands-on Appian development experience
2+ years of experience supporting Appian application development within Agile software delivery environments
2+ years of experience working with custom Appian plugins, Java-based development, or integration components
2+ years of experience working with relational databases and writing SQL queries
2+ years of experience utilizing Git/GitLab or similar source control workflows
US Citizenship or Green Card is required (required by the federal government for this position).
Must be able to obtain Public Trust clearance.
MUST RESIDE IN THE United States (U.S.) and the work MUST BE PERFORMED in the United States (U.S.), as this work is for a federal contract and laws do apply .
Preferred Skills:
Strong understanding of software development lifecycle practices and secure coding principles
Appian Certified Associate Developer or Appian Certified Senior Developer certification
Strong analytical, troubleshooting, and problem-solving skills
Strong written and verbal communication skills
Ability to work independently and collaborate effectively within cross-functional Agile teams
Experience supporting Appian platform upgrades, plugin remediation, or modernization initiatives
Experience developing or maintaining custom Appian plugins using Java
Familiarity with CI/CD pipelines, Jenkins, Docker, or containerized deployment approaches
Experience supporting AWS-hosted or cloud-based application environments
Familiarity with REST/SOAP integrations and API development
Exposure to Kubernetes or container orchestration platforms
Exposure to Appian AI capabilities, AI Skills, AI Copilot, AI Document Processing, or other emerging Appian platform features
Experience supporti
Additional Information
ICF is seeking an Appian Developer with strong experience supporting Appian application development, plugin remediation, and modernization initiatives within complex enterprise environments. The ideal candidate will have a proven ability to develop and maintain Appian solutions, troubleshoot technical issues, and support custom plugin conversion efforts associated with platform upgrades and modernization activities. This role requires the ability to collaborate effectively across Agile delivery teams, contribute to technical solution development, and support evolving Appian platform capabilities within a fast-paced delivery environment.
Icf · Reston, VA