Senior Appian Plugin Developer- Remote

Location: United States We are seeking a Senior Appian Plugin Developer to support a structured Appian Cloud migration engagement delivered through an Autonomous Delivery Pod model. This role is focused on modernizing custom Appian plugins and ensuring full compatibility with Appian Cloud architecture within a regulated enterprise environment. The selected candidate will operate within a cohesive, outcome-driven delivery team accountable for plugin modernization, application remediation, cloud deployment readiness, and production stabilization. The Senior Appian Plugin Developer will serve as a hands-on technical contributor responsible for refactoring custom plugins, validating compatibility across the broader plugin inventory, and ensuring migration activities meet cloud, security, and quality standards. This role requires deep expertise in Appian plugin architecture, Java development, and cloud modernization practices. What You’ll Do Refactor custom Appian plugins to remove filesystem, database, and logging dependencies incompatible with Appian Cloud Redesign and modernize plugin components to leverage supported Appian APIs and cloud-compliant integration patterns Validate compatibility of custom and AppMarket plugins within Appian Cloud environments Assess and remediate configuration or deployment gaps identified during plugin validation Implement secure, centralized logging approaches aligned with cloud deployment standards Package and deploy updated plugins across development, testing, and production environments Support regression testing across dependent Appian applications impacted by plugin updates Troubleshoot and resolve defects related to plugin behavior, integrations, or environmental differences Collaborate with Appian Developers to remediate application objects and integrations impacted by cloud migration Partner with DBAs to ensure plugin changes align with data migration and validation activities Participate in structured migration governance processes, including technical documentation, status reporting, and risk tracking Contribute to production cutover preparation, rollback validation planning, and post-migration stabilization Document refactor strategies, compatibility findings, deployment steps, and definitions of done Operate within a defined delivery cadence, maintaining accountability for milestones and technical quality What We’re Looking For Extensive hands-on experience developing custom Appian plugins (smart services, functions, integrations) Strong expertise in Java development and plugin architecture within enterprise environments Deep understanding of Appian Cloud constraints, supported APIs, and architectural best practices Experience refactoring legacy codebases to remove filesystem access, unsupported database dependencies, and non-cloud-compliant logging Strong debugging and troubleshooting skills in complex Appian environments Experience validating and packaging plugins for multi-environment deployment Ability to remain hands-on while working within a structured, governance-driven delivery model Strong written and verbal communication skills, with the ability to clearly document technical findings and recommendations Experience working in regulated environments (financial services or similar) Comfort operating within high-accountability, milestone-driven engagements Required Skills: 7+ years of professional Java application development experience 3+ years of hands-on experience developing and maintaining custom Appian plugins 3+ years of experience modernizing or refactoring legacy application components for cloud environments 3+ years of experience designing secure integration patterns using RESTful APIs 3+ years of experience implementing and configuring modern logging frameworks (e.g., Log4j2, SLF4J) 3+ years of experience supporting deployments across development, testing, and production environments 3+ years of experience working within multi-team agile or hybrid delivery environments Green Card holder or US Citizenship required Must be able to obtain Public Trust Security clearance. Preferred Skills Experience supporting Appian Cloud migration initiatives Demonstrated ability to assess technical debt and execute structured remediation plans Appian Certified Developer (Senior or Lead preferred) Experience supporting financial services or highly regulated enterprise clients Familiarity with DevSecOps pipelines and secure code scanning practices Experience supporting production cutover and stabilization efforts Agile certification (Scrum, SAFe, or similar) Bot and Third-Party Applications Please note that this application must be submitted directly by the applicant for consideration. Failure to do so may result in the application being excluded for consideration. Applicants needing an accommodation for disability or religious purposes in connection with the application process should contact for assistance. Working at ICF ICF is a global advisory and technology services provider, but we’re not your typical consultants. We combine unmatched expertise with cutting-edge technology to help clients solve their most complex challenges, navigate change, and shape the future. We can only solve the world's toughest challenges by building a workplace that allows everyone to thrive. We are an equal opportunity employer.Together, our employees are empowered to share theirexpertiseand collaborate with others to achieve personal and professional goals. For more information, please read our EEOpolicy. We will consider for employment qualified applicants with arrest and conviction records. Reasonable Accommodations are available, including, but not limited to, for disabled veterans, individuals with disabilities, and individuals withsincerely heldreligious beliefs, in all phases of the application and employment process. To requestan accommodation,please email and we will be happy toassist. All information you provide will be kept confidential and will be used only to the extentrequiredto provide needed reasonable accommodations. Read more about workplace discrimination rightsor our benefit offerings which are included in the Transparency in (Benefits) CoverageAct. Candidate AI Usage Policy At ICF, we are committed to ensuring a fair interview process for all candidates based on their own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) tools to generate orassistwith responses during interviews (whether in-person or virtual) is notpermitted. This policy is in place tomaintainthe integrity and authenticity of the interview process. However, we understand that some candidates may require accommodation that involves the use of AI. Ifsuch anaccommodation is needed, candidates are instructed to contact us in advance at . Weare dedicated to providingthe necessary support to ensure that all candidates have an equal opportunity to succeed. Pay Range