{"id":4279665,"url":"https://alion.io/job/arbill-full-stack-developer","title":"Full Stack Developer","company":{"id":1761376,"name":"Arbill","domain":"arbill.com","url":"https://alion.io/company/arbill","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Paylocity","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Philadelphia, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Azure","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"LLM","optional":false},{"name":"Microsoft Entra ID","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"SharePoint","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-11-13T18:05:05Z","employer_posted_date":"2026-11-13","last_verified_at":"2026-11-13T20:13:13Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Description\nAbout the Role\nArbill is looking for a Full Stack Developer to build and maintain the internal applications, integrations, and automations that keep our supply chain, warehouse, customer success, and sales teams running. You will work directly with operations leaders and the people who use your software every day, so you will see the effect of your work quickly. This is a hands-on role with a lot of ownership, and it suits someone who likes turning a messy business process into a clean, reliable tool.\nWhat You Will Do\nDesign, build, test, and deploy web applications and internal tools, from the database and API layer through to the user interface.\nBuild and maintain integrations between our core business systems, including our ERP (Prophet 21), our CRM (Dynamics today, with a planned move to Salesforce), Microsoft 365, and Teams.\nDevelop AI-assisted features and automations, such as staff chatbots, workflow automations, and tools that connect to our data through APIs and MCP servers.\nWork with the data team to build reports, dashboards, and data pipelines that give leaders accurate numbers they can trust.\nTurn requests from operations, sales, and customer success into clear requirements, working prototypes, and finished features.\nWrite clean, documented, maintainable code, and review the code of others.\nMonitor application performance and security, fix defects promptly, and support users when something breaks.\nDocument how each system works so that the team can support it after you hand it off.\nPerform other duties as requested.\nRequirements\nWhat You Bring\nRequired\nThree or more years of professional experience building full stack web applications.\nStrong skills in a modern front-end framework such as React, along with JavaScript or TypeScript.\nBack-end experience with Node.js, Python, or C#/.NET, including building and consuming REST APIs.\nSolid SQL skills and experience with relational databases such as SQL Server or PostgreSQL.\nExperience with Git, code review, and a basic CI/CD workflow.\nWorking knowledge of authentication, authorization, and secure coding practices.\nClear communication with non-technical colleagues, and comfort asking questions to understand how the business works.\nPreferred\nExperience in the Microsoft ecosystem, including Azure, Power Platform, SharePoint, Microsoft Graph, and Entra ID.\nExperience integrating with ERP, CRM, or e-commerce platforms, especially Prophet 21, Dynamics 365, or Salesforce.\nExperience with LLM APIs, prompt design, or building agents and chatbots.\nBackground in distribution, supply chain, warehouse, or manufacturing environments.\nExperience with cloud hosting, containers, and infrastructure as code.\nHow We Will Measure Success\nApplications ship on schedule and are adopted by the teams they were built for.\nIntegrations run reliably, with clear monitoring and fast recovery when something fails.\nBusiness users can describe how a tool works and trust the data it shows.\nCode and documentation are good enough that another developer could pick the work 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