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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Appian developer - **Company:** Atlas Technologies - **Location:** Herndon, VA, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Applications Architecture, Application Integration Architecture, User Authentication, Business Software, CompTIA Security+, Cyber Security, Information Systems, Databases, Database Queries, DevOps, Design of User Interfaces, Human-Computer Interaction, Web Servers, JSON, OAuth, Oracle (Applications), Performance Tuning, Systems Development Life Cycle, Query Optimization, Requirements Management, Security Assertion Markup Language (SAML), Server Administration, Simple Object Access Protocol (SOAP), Software Engineering, SQL Stored Procedures, SQL Databases, Systems Integration, Web Services, Extensible Markup Language (XML), Flexi (Photoshop Plugin), Enterprise Software Applications, Sql Optimization, Software Security, SOAPAPI, Appian, Indexer, SC Clearance, Microsoft Fabric, Information Technology, People Soft, Api Design, Restful APIs, Oracle Erp, Web Api - **Published:** September 20, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-appian-developer-herndon-va--32a31883-2de4-44b2-b168-a76c0e2d138c ## About the Role Atlas Technologies is seeking a skilled and motivated Senior Appian Developer to join our dynamic IT team and contribute to the design, development, and implementation of secure enterprise applications and process automation solutions. The ideal candidate is a strong Appian developer who understands application architecture, security, integrations and the full software development lifecycle. Experience integrating with enterprise systems such as PeopleSoft ERP or Oracle is a plus., * Appian Expertise: 5+ years of hands-on experience with Appian versions 24.x or higher. * Database Proficiency: Advanced SQL skills including writing and optimizing complex queries, joins, stored procedures, functions, triggers, performance tuning, indexing and data modeling. * Web Services: Expert knowledge of REST/SOAP, JSON, and XML for cross-system communication. * U.S. Citizenship * A minimum of a Department of Defense (DoD) Secret level Security Clearance or the ability to obtain and maintain one. * Security+ CE Certification (or equivalent DoD 8570 baseline certification) * Bachelors degree in computer science, Information Technology, or equivalent experience * Certifications: Appian Certified Senior Developer (ACD-201) or Lead Developer is highly preferred. Preferred Qualifications * Experience with Appian Data Fabric for unifying disparate data sources. * Background in Java or JavaScript for developing custom plugins if standard connectors are insufficient. * PeopleSoft Familiarity: Understanding of PeopleSoft Integration Broker, Component Interfaces, and the ability to work with PeopleSoft technical teams to define service requirements. * Experience working in a Center of Excellence (COE) or an Agile/DevOps environment * Attention to detail with a focus on delivering secure, high-quality solutions, Agile Programming Methodologies, Application Integration, Application Programming Interface (API), Applications Security, Authentication, Automation, Brokerage, Business Processes, Business Solutions, Case Management, CompTIA Security+, Computer Science, Data Collection, Data Modeling, Detail Oriented, DevOps, Disability Accommodations, DoD Directive 8140, DoD Directive 8570, Enterprise Applications, Information Technology & Information Systems, JSON, Java, JavaScript, Mentoring, OAuth, Oracle ERP, Peoplesoft, Performance Tuning/Optimization, Process Modeling, Query Optimization, REST (Representational State Transfer), Reporting Dashboards, Requirements Management, SOAP (Simple Object Access Protocol), SQL (Structured Query Language), Secret Clearance, Security Architecture, Security Assertion Markup Language (SAML), Security Clearance, Software Administration, Software Development Lifecycle (SDLC), Stored Procedures, System Integration (SI), Systems Administration/Management, Team Player, Training/Teaching, United States Citizen, United States Department of Defense (DoD), User Interface/Experience (UI/UX), Web Client Plug-ins, Web Services, Willing to Travel, XML (EXtensible Markup Language) ## Description * Interface Design: Build intuitive SAIL forms and dashboards that aggregate data from multiple systems for a unified user experience. * Data Modeling: Design and maintain Custom Data Types (CDTs) and Record Types that support business applications and integrations. * Workflow Automation: Develop end-to-end process models that automate business processes, approvals, notifications and case management. * Integration Architecture: Design and configure Connected Systems and Integration Objects to integrate Appian with enterprise systems using REST/SOAP APIs. * API Development: Develop Appian integrations and Web APIs to securely exchange data with internal and external systems. * Security & Authentication: Implement secure handshakes between systems using OAuth 2.0, SAML, or certificate-based authentication. ## Related Videos - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) - [Develop enterprise-ready applications for Microsoft Teams with Azure resources on modern web technologies](https://www.wearedevelopers.com/videos/187-develop-enterprise-ready-applications-for-microsoft-teams-with-azure-resources-on-modern-web-technologies) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) ## Related Articles - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [Why Attend a Developer Event in 2026?](https://www.wearedevelopers.com/magazine/688-why-attend-a-developer-event-in-2026) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)