Appian Developer

The NISC IV program at Leidos is seeking a senior Appian Developer with experience in Palantir and Appian AI to perform a variety of duties in connection with agile software development, design, planning, implementation, testing and support for Federal Aviation Administration (FAA) Office of Aviation Safety applications using FAA’s Appian low-code development platform.

Must be able to obtain a Public Trust Security Clearance Suitability (To be eligible, one must be either a U.S. Citizen OR a U.S. Permanent Resident/Green Card holder who has resided in the U.S.A for the past 3 years.)

All new hires must pass a drug test prior to starting with Leidos.

Primary Responsibilities:

The successful candidate will:

• Design, develop, and implement Appian applications, focusing on Appian AI capabilities.
• Build scalable workflows, rules, and interfaces in Appian, leveraging low-code/no-code features.
• Collaborate with stakeholders to gather requirements and translate them into technical solutions.
• Integrate Appian applications with Palantir Foundry for advanced data processing and analytics.
• Develop and execute unit and integration testing to ensure quality deliverables.
• Provide ongoing support, troubleshooting, and maintenance of Appian-based applications.
• Stay updated with emerging trends in Appian, Palantir, AI, and data integration technologies.
• Solve highly complex technical problems using Appian and other supporting platforms, problem Solver and ability to estimate and size Appian business requirements
• Coach others on technical best practices, provide technical guidance to mid-level developers
• Foster a positive team environment focused on advanced technical knowledge, effective collaboration, and positive customer outcomes
• Research, develop, and implement new tools to speed up and simplify application development
• Attend meetings and deliver presentations as required to FAA developers

Basic Qualifications:

• Bachelor’s degree in Engineering, Computer Science, Information Systems, or related field/degree (or equivalent experience)
• Demonstrated subject matter expertise with the Appian platform low-code development and related technologies to include process modeling, and SAIL interfaces.
• Proven experience integrating Appian AI and related features (e.g., Intelligent Document Processing)
• Experience with Palantir, particularly Foundry, including data integration and analysis capabilities
• Experience in Object Oriented programming languages primarily Java, ideally in the context of Appian plugins, experience in working with JSON, XML & RESTful API
• Strong understanding of data workflows, integration protocols (REST/SOAP APIs), and relational databases
• Proven ability to coach and mentor technical staff
• Excellent problem-solving skills and talent for identifying creative solutions
• Ability to effectively communicate with technical and non-technical groups, both internal and external
• Ability to interface with Architects, customers, and technical personnel to understand business processes and system requirements
• Ability to develop and maintain customer relationships. Ability to interact diplomatically with a variety of individuals on all levels

Preferred Qualifications:

• 5+ years of Appian development experience, demonstrated subject matter expertise with the Appian platform and related technologies (Appian level 2 or 3 certification preferred)
• Understand the differences between basic design principles in integrating to Web Services
• 5+ years’ experience in Object Oriented programming languages primarily Java, ideally in the context of Appian plugins, experience in working with JSON, XML & RESTful API
• 3+ years of experience in an agile delivery environment
• Previous FAA and/or Government contracting work experience.

Original Posting Date:2025-02-24

While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:Pay Range $104,650.00 - $189,175.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.