Senior Appian Developer

Here at Appian, our core values of Respect, Work to Impact, Ambition, and Constructive Dissent & Resolution define who we are. In short, this means we constantly seek to understand the best for our customers, we go beyond completion in our work, we strive for excellence with intensity, and we embrace candid communication. These values guide our actions and shape our culture every day. When you join Appian, you'll be part of a passionate team that's dedicated to accomplishing hard things.As a Senior Product Engineer working on the Appian platform, your mission will be to ensure Appian is always fast, scalable and up to whatever tasks our customers configure it to do. You will be solving problems of scale and flexibility that most engineers never see, building a product capable of serving our customers in ways you never imagined. Your scope extends from the high-performance data layer to the cross-platform user interface to the design tools used to create it.This role is based at our headquarters in McLean, Virginia. Appian was built on a culture of in-person collaboration, which we believe is a key driver of our mission to be the best. Employees hired for this position are expected to be in the office 5 days a week to foster that culture and ensure we continue to thrive through shared ideas and teamwork. We believe being in the office provides more opportunities to come together and celebrate working with the exceptional people across this role, you will:Leverage knowledge of data structures, algorithms, and design patterns to write applications and solutions in existing Appian frameworks (SAIL, Process Models, Rules, Expressions, and all Appian Objects) and light full-stack and mobile development.Leverage relevant Application development experience to radiate best practices and faster development.Manage availability, latency, scalability and efficiency of the product by engineering reliability into Application and systems.Contribute to Application performance analysis and system tuningStrong contributor to team feature breakdowns/sizing and design of new feature implementations.Moderate degree of personal responsibility for the overall performance of the team, including capabilities, quality, stability and velocity.Perform application and code reviews which provide feedback not only on quality, but on design and implementation.Build automation to prevent problem recurrenceSeek to identify opportunities for application and code refactoring and performance optimizations on a regular basis and champion these efforts within the team.Mentor junior Product Engineers by sharing best-practices and providing guidance on how to become more proficient.Share advanced/expert knowledge with others in the department, both on and off team; maintain a reputation as a key resource in those areas.Basic Qualifications:B.S. in Computer Science or STEM related field/degree3+ years of relevant experience in technical consulting of a related fieldFluency in Appian application development, data structures, integration, testing, scaling, optimization, and plug-in development.Experience in a high-volume or critical production service environmentPreferred experience: MS in Computer Science or related field/degree and 1+ years of relevant experienceTools and ResourcesTraining and Development: During onboarding, we focus on equipping new hires with the skills and knowledge for success through department-specific training. Continuous learning is a central focus at Appian, with dedicated mentorship and the First-Friend program being widely utilized resources for new hires.Growth Opportunities: Appian provides a diverse array of growth and development opportunities, including our leadership program tailored for new and aspiring managers, a comprehensive library of specialized department training through Appian University, skills based training, and tuition reimbursement for those aiming to advance their education. This commitment ensures that employees have access to a holistic range of development munity: We’ll immerse you into our community rooted in respect starting on day one. Appian fosters inclusivity through our 8 employee-led affinity groups . These groups help employees build stronger internal and external networks by planning social, educational, and outreach activities to connect with Appianites and larger initiatives throughout the company.About AppianAppian is a software company that automates business processes. The Appian AI-Powered Process Platform includes everything you need to design, automate, and optimize even the most complex processes, from start to finish. The world's most innovative organizations trust Appian to improve their workflows, unify data, and optimize operations—resulting in better growth and superior customer experiences. For more information, visit . [Nasdaq: APPN]Appian is an equal opportunity employer that strives to attract and retain the best talent. 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Created: 2025-09-17