Demo

Senior Appian Developer

ICF Consulting Group, Inc.
Reston, VA Full Time
POSTED ON 10/8/2026
AVAILABLE BEFORE 11/8/2026
ICF's Digital Modernization division is a rapidly growing, entrepreneurial, technology department, seeking Senior Appian Developers to support upcoming needs with our federal customers.

Our Digital Modernization division is an information technology and management consulting department that offers integrated, strategic solutions to its public and private-sector clients. ICF has the expertise, agility, and commitment to design, build, and operate high-performance IT engines to support all aspects of our client's business.

ICF is a leading provider of low-code, open-source and cloud native solutions to federal agencies, deploying over 1,300 technologists who have built and maintained over 700 systems for digital modernization projects. ICF combines public-sector domain expertise with an ecosystem of platform partners and digital practices to rapidly deliver complex, scalable solutions that achieve clients' mission outcomes and a step change in productivity.

We are one of the largest federally focused Appian practices with 85-90 trained consultants and a deep center of excellence, with solid best practices. ICF will pay for certifications, and we offer an expansive digital learning platform via our training portal. Employees enjoy various training based on job level and skillset, other training, study guides for various certification areas, and in-person training hosted by Appian.

Based on your experiences and interests, we may ask you as a technology professional to support growth-related activities, including (but not limited to) RFI, RFP, prototypes, and oral presentations. Team members are also expected to uphold and maintain appropriate certifications necessary for their practice expertise.

Job Location: Remote work is authorized. Must support US Eastern time zone working hours.

*If you accept this position, you should note that ICF does monitor employee work locations blocks access from foreign locations/foreign IP addresses and prohibits personal VPN connections.

Required Skills:
  • ship required due to federal contract requirements
  • 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
  • 5 years of recent hands-on experience with Appian BPM
  • 5 years of experience developing Appian Plugin
  • 5 years of experience with Application Servers like JBoss, Weblogic, IIS etc. as part of the installation.
  • 5 years of experience in configuring, debugging, and systems integration including configuring forms, reports, underlying logic, and interface components as a developer.
  • 5 years of experience with relational databases and SQL scripting
  • 5 years of experience in all phases of software development for large-scale business critical applications following Agile methodologies

Desired Skills:
  • Bachelor's degree in related field.
  • Certified Appian Level 1 Developer (Certified Associate Developer).
  • Certified Level 2 Appian Developer or Certified Level 3 Appian Developer
  • Experience working with Appian Tempo.
  • Java developer experience is a strong plus.
  • Recent work experience on a software development project in a Federal government setting.
  • Experience defining and documenting architecture for technology implementations leveraging different architectural views.
  • Exposure to common industry platforms and programming languages - Appian BPM, IBM WebSphere, Mule, LAMP/JBOSS, HADOOP, Java, Microsoft/.Net is preferred.
  • 5 years of experience in Enterprise Application integration (SOA, ESB) and n-tier client-server architectures preferred
  • Experience working with Appian Sites.
  • Java developer with Maven builds experience is a strong plus.
  • Ability to understand the long-term ("big picture") and short-term perspectives of situations.
  • Ability to translate business needs into solution architecture requirements.
  • Excellent analytical and technical skills.
  • Excellent written and verbal communication skills.
  • Exceptional interpersonal skills, including teamwork, facilitation and negotiation.

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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 their expertise and collaborate with others to achieve personal and professional goals. For more information, please read our EEO policy.

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 with sincerely held religious beliefs, in all phases of the application and employment process. To request an accommodation, please email and we will be happy to assist. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.

Read more about workplace discrimination rights or our benefit offerings which are included in the Transparency in (Benefits) Coverage Act.

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 or assist with responses during interviews (whether in-person or virtual) is not permitted. This policy is in place to maintain the integrity and authenticity of the interview process.

However, we understand that some candidates may require accommodation that involves the use of AI. If such an accommodation is needed, candidates are instructed to contact us in advance at We are dedicated to providing the necessary support to ensure that all candidates have an equal opportunity to succeed.

Pay Range - There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position.

The pay range for this position based on full-time employment is:
$98,614.00 - $167,644.00

Nationwide Remote Office (US99)

Salary : $98,614 - $167,644

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