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Freelance Appian Software Engineer Jobs in Washington

Leidos

Sr. Appian Software Developer

Washington, DC · On-site

$107K - $195K/yr

We are looking for Senior Appian Software Engineer with 10 plus experience of software development lifecycle practices and secure coding principles. Experience with design and delivery of complex ...

TalentRemedy

Appian Software Developer

Fairfax, VA · On-site

$100K - $111K/yr

Appian Developer Hybrid Schedule in Fairfax, VA U.S. Citizenship Required About the Opportunity ... software development lifecycle. Responsibilities * Collaborate with stakeholders to identify ...

BayNova LLC

Appian Developer

Arlington, VA · Remote

Ensure software maintains data integrity, security, and best practice standards. * Prepares and ... Current Appian credentials as Designer or Developer * Experience in BPM (Appian, JBoss BPMS ...

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Freelance Appian Software Engineer information

What does a freelance Appian software engineer do?

A Freelance Appian Software Engineer designs, develops, and maintains applications using the Appian low-code automation platform on a contract or project basis. They work with clients to understand business requirements, create process models, integrate systems, and ensure solutions meet organizational needs. Freelance engineers often handle multiple projects simultaneously, collaborating remotely with teams to deliver scalable and efficient business process management (BPM) solutions. Their expertise helps businesses automate workflows, improve efficiency, and adapt quickly to changing requirements.

What are the key skills and qualifications needed to thrive as a freelance Appian software engineer?

To thrive as a Freelance Appian Software Engineer, you need expertise in Appian BPM development, process modeling, and a solid background in software engineering, often supported by a degree in computer science and Appian certifications (such as Appian Certified Associate Developer). Familiarity with Appian’s low-code platform, RESTful APIs, database integration, and agile development tools is typically required. Strong problem-solving, communication, and time management skills help you stand out, especially when collaborating remotely or with diverse clients. These competencies ensure you can deliver effective solutions, meet client needs efficiently, and maintain high-quality standards in a competitive freelance environment.

What are some common challenges freelance Appian software engineers face when working with multiple clients?

Freelance Appian Software Engineers often encounter challenges such as balancing diverse client expectations, adapting quickly to different project requirements, and managing communication across remote teams. Each client may have unique business processes and governance standards, requiring the engineer to rapidly learn and apply new workflows. Additionally, handling multiple projects simultaneously can make time management and prioritization crucial for meeting deadlines and maintaining high-quality deliverables.

What is the difference between Freelance Appian Software Engineer vs Appian Developer?

AspectFreelance Appian Software EngineerAppian Developer
CredentialsTypically requires Appian certifications, programming skillsRequires Appian certifications, development experience
Work EnvironmentIndependent, project-based, remote or on-siteFull-time or contract, often in a team setting
Employer & Industry UsageHired by clients or consulting firms for specific projectsEmployed by companies or consulting firms to develop Appian solutions

Freelance Appian Software Engineers work independently on client projects, often remotely, focusing on specific Appian development tasks. Appian Developers may work full-time within organizations or consulting firms, collaborating with teams to build and maintain Appian applications. The main difference lies in the employment type and work setup, with freelancers offering flexible, project-based services and Appian Developers often in more structured roles.

What are the most commonly searched types of Appian Software Engineer jobs in Washington?

The most popular types of Appian Software Engineer jobs in Washington are:

What are popular job titles related to Freelance Appian Software Engineer jobs in Washington?

For Freelance Appian Software Engineer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Freelance Appian Software Engineer jobs in Washington look for?

The top searched job categories for Freelance Appian Software Engineer jobs in Washington are:

What cities in Washington are hiring for Freelance Appian Software Engineer jobs?

Cities in Washington with the most Freelance Appian Software Engineer job openings:

Freelance Appian Software Engineer jobs near you

Sr. Appian Software Developer

Washington, DC • On-site

Leidos
IT Services • 10K+ employees

8.3

Company rating: 8.3 out of 10

Based on 152 frontline employees who took The Breakroom Quiz

80th of 499 rated business services

People enjoy working here

Good employer

Recommended by students

Learn more about Leidosexternal

$107K - $195K/yr

Full-time

Posted 28 days ago

Job description

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

If this sounds like the kind of environment where you can thrive, keep reading!

The Digital Modernization Sector brings together our digital transformation and IT programs, allowing us to better serve our customers through scale and repeatability.

Your greatest work is ahead!

We are looking for Senior Appian Software Engineer with 10 plus experience of software development lifecycle practices and secure coding principles.

Experience with design and delivery of complex Appian process models, SAIL (Self-Assembling Interface Layer) interfaces, records, reports, and Appian AI capabilities

Experience with API development and design and development of robust system integrations (REST/SOAP APIs, microservices) connecting Appian with disparate federal agency databases and legacy systems

5+ years of dedicated, hands-on Appian design and development experience with active Senior Developer or Lead Developer certifications

Experience operating within Agile/Scrum delivery environments, utilizing CI/CD pipelines and Git/GitLab for source control. The candidate must have:

  • Bachelors Degree in Computer Science, Software Engineering or related field or Masters Degree and 6 to 10 years of related experience. Additional years of experience may be accepted in lieu of degree requirement.
  • 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 with implementing Appian's Data Fabric
  • Experience with data and system migrations from SQL Server or Maria Database
  • 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
  • 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 supporting federal government
  • Experience contributing to knowledge transfer and cross-team collaboration initiatives within technical organizations

Preferred Skills

  • Prior background in C# and full-stack .NET development, highly desired for custom API building and legacy system migrations.
  • Hands-on experience implementing Appian AI Copilot, AI Skills, or Intelligent Document Processing (IDP).
  • Prior delivery experience within federal civilian or DoD environments
  • Appian Senior Developer or Lead Developer Certification

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:June 29, 2026

For U.S. Positions: 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 $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline onlyand 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.

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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Benefits

Hours and flexibility

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