Senior Appian Developer

Astor & Sanders Open · verified Oct 24, 2026

On-site McLean Senior Software Engineering

At a glance

Senior Software Engineering role at Astor & Sanders. McLean · $140,000–$180,000 base.

SalaryStated by Astor & Sanders

$140,000 – $180,000

Base salary for this role, in USD per year, as published in the posting.

This role, from Astor & SandersOur estimate for the market: $152,500–$211,200Median $184,900

Below the market median of $184,900 for senior software engineering roles in McLean.

Worked out from 15 postings that stated pay, median $184,900. Last updated Oct 19, 2026.

RoleSoftware Engineering

SenioritySenior

LocationMcLean

WorkplaceOn-site

Base pay$140,000–$180,000

PostedJan 7, 2026 · 9mo ago

Role brief

techroles summary, based on the employer's posting.

What you'll do

Build and maintain Appian interfaces, process flows, records, reports and integrations
Guide developers through requirements, design, coding, testing, release and ongoing maintenance
Review code, resolve difficult technical problems and help the team apply sound development practices
Automate testing, security checks and deployment pipelines, while coordinating audits and vulnerability fixes
Shape Appian architecture to meet DOL standards and compliance needs, and refine stories with business partners

What you bring

At least six years of practical Appian development experience
Five or more years leading developers in agile delivery, plus an Appian Senior Developer Certification
A computer science or information systems degree, or four extra years of relevant work experience
Experience delivering complex Appian solutions for 200 or more users across multiple regions

Who this fits

This senior, hands-on role suits an experienced Appian developer who can also lead a team and work with business stakeholders. The position is full-time and hybrid in the DMV area.

From the employer

Senior Appian Developer

Astor & Sanders Corporation (Astor) is an award-winning IT solutions provider headquartered in McLean, VA seeking a Senior Appian Developer. This is a full-time and hybrid position in the DMV area.

The Senior Appian Developer is responsible for hands-on Appian application development, directing interdisciplinary technical teams, and ensuring robust system functionality. They collaborate with architects, business analysts, and project managers to design and deliver high-quality, secure, and scalable Appian-based applications. This role demands in-depth knowledge of Appian design objects, integrations, process models, and best practices.

Roles & Responsibilities

Develop, enhance, and maintain Appian applications, including interfaces, process flows, records, reports, and integrations.
Lead a team of developers through the full software development lifecycle: requirements, design, development, testing, deployment, and maintenance.
Conduct code reviews, troubleshoot complex technical issues, and guide the team in following best practices and coding standards.
Implement and oversee DevSecOps practices to automate testing, security scans, and deployment pipelines.
Provide high-level architectural expertise and ensure solutions adhere to DOL’s enterprise architecture and relevant compliance (FISMA, FedRAMP).
Collaborate with the business analyst and scrum master to refine user stories, acceptance criteria, and ensure feasible development timelines.
Coordinate security assessments, prepare documentation for audits, and resolve vulnerabilities within established timelines.

Requirements

At least 6 years of hands-on experience in Appian development.
Bachelor’s degree in Computer Science, Information Systems, or related discipline (4 additional years of relevant work experience may be substituted).
Minimum of 5 years leading developer teams in agile software delivery.
Proven record delivering complex Appian solutions across multi-region environments for 200+ users.
Demonstrated success in implementing relational databases (e.g., Oracle) for data modeling and querying in Appian projects.
Strong knowledge of Appian platform objects (SAIL interfaces, process models, sites, records, reports).
Ability to architect solutions for both front-end and back-end functions, including APIs and data integrations.
Skilled in troubleshooting complex technical issues related to performance, security, and configuration.
Proficient with agile methodologies and DevSecOps automation.
Excellent communication and collaboration skills to mentor junior developers and liaise with business stakeholders.
Appian Senior Developer Certification (required).
SCRUM Master Certification (preferred).

The anticipated salary range for this position is $140,000-$180,000 annually. This is not, however, a guarantee of compensation or salary. Actual compensation will be determined based on factors, including, but not limited to, relevant work experience, candidate skills and education, geographical location, certifications, and business needs, as well as contract provisions regarding labor categories that are specific to the position and could fall outside of this range. This salary range represents Astor's good-faith estimate of compensation for the position at the time of posting.

Benefits

Astor & Sanders Corporation (www.astor-sanders.com) offers a unique, stimulating and challenging environment that fosters individual growth and rewards performance. Astor & Sanders Corporation ( #Astor ) is an Equal Opportunity Employer. 

Some of our competitive benefits include: