Senior Appian Developer

Senior Appian Developer Tuknik Government Services, LLC Koniag Government Services (KGS) is seeking qualified candidates for this role supporting our U.S. Army customer on a large-scale Army contracting systems modernization and automation program. Designs, builds, tests, and sustains complex capabilities in Appian. The Senior Appian Developer leads difficult modernization and defect-correction work while protecting active contracting transactions, data integrity, security, and production availability. This is a contingent recruiting profile; the opening, employing subsidiary, compensation, work location, and staffing remain subject to final contract authorization. Essential Functions, Responsibilities & Duties may include, but are not limited to: • Design and develop Appian applications, interfaces, process models, records, rules, reports, security groups, and reusable components. • Refactor legacy Custom Data Type patterns toward Record Types and explicit data mappings while preserving backward compatibility. • Modernize long-running process models using controlled versioning so active contracting actions complete without interruption. • Rebuild assigned workflows using validated process models and Government-approved acceptance criteria. • Develop integrations through Appian Connected Systems, Integration Objects, web APIs, and approved interface adapters. • Investigate Tier 3 defects, isolate root causes, implement permanent corrections, and add regression coverage. • Perform peer reviews and ensure solutions meet architecture, security, accessibility, performance, configuration, and documentation standards. • Create Appian-native unit and application-logic tests and support smoke, regression, end-to-end, API, and performance testing. • Prepare deployment packages, release notes, configuration records, rollback steps, and operational support documentation. • Mentor mid-level developers and contribute estimates, technical designs, and risk assessments during backlog refinement. Education and Experience Required: • Bachelor's degree in computer science, engineering, information systems, or a related field; additional relevant experience may substitute for education. • Seven or more years of application development experience, including at least four years developing production Appian solutions. • Advanced experience with Appian interfaces, process models, Record Types, data stores, integrations, security, expression rules, and deployment packages. • Experience supporting relational databases, REST/SOAP services, automated testing, source/configuration control, and production troubleshooting. • U.S. citizenship and the active security clearance or eligibility required for the assigned work by the start of performance, with ongoing eligibility thereafter. • Ability to communicate clearly with Government, technical, and business stakeholders and to maintain accurate work records in approved systems. • Ability to protect Controlled Unclassified Information and classified information, when assigned, and comply with required access, training, and handling procedures. Education and Experience Desired: • Appian Certified Senior Developer or Lead Developer credential. • Experience with Federal acquisition, Army contracting, CON-IT-derived applications. • Experience delivering Appian solutions within DLA PIEE, cArmy, or another DoD-authorized environment. Required Skills and Competencies: • Advanced Appian design and development • Record Types, process models, and data integration • Secure troubleshooting and defect correction • Automated testing and controlled release • Technical mentoring and peer review Work Environment and Travel: Work may occur remotely when authorized, at Government facilities, or in controlled office and data-center environments. Work involving classified information or SIPRNet will be performed at a Government-approved secure location using authorized systems. The role generally supports Government business hours, with occasional release, incident-response, maintenance-window, or approved travel requirements. Reasonable accommodations may be made to enable qualified individuals with disabilities to perform the essential functions.