Full Stack Developer

Posted Tuesday, July 21, 2026 at 7:00 AM Founded in 1959 and headquartered in Chino, California, Harrington has grown to be a leading distributor of fluid process products and solutions for industrial applications. With over 70 locations across the United States, we proudly serve a wide range of industries, including water and wastewater management, chemicals, manufacturing, semiconductors, life sciences, and food and beverage processing. At Harrington, we believe that what sets us apart is our people. We’re passionate about serving our customers with deep technical knowledge, fast product availability, and innovative supply chain solutions. Our commitment to excellence ensures that we’re always ready to respond when our customers need us - 24/7/365. Harrington is an organization that values people, innovation, and exceptional service. If you’re looking for a career where your work truly makes a difference and you can grow alongside a supportive and dynamic team, we’d love to hear from you. Harrington Process Solutions is seeking an experienced Full Stack .NET Developer to join our growing IT team. In this role, you'll design, develop, and maintain modern web applications and APIs, help modernize legacy ColdFusion applications, and leverage AI-powered development tools to deliver innovative business solutions. What You'll Do Develop and maintain applications using C#, .NET Core, ASP.NET Core, and REST APIs Build responsive front-end applications using HTML, CSS, JavaScript, and React, Angular, or Vue.js Design and optimize SQL Server databases using Entity Framework Core Support and modernize existing ColdFusion (CFML) applications Deploy and maintain applications in Microsoft Azure Build CI/CD pipelines and work with Docker containers Implement secure authentication and web security best practices Utilize Git and participate in Agile/Scrum development Use AI coding assistants and LLM technologies while ensuring code quality, security, and responsible AI practices What We're Looking For Bachelor's degree or equivalent experience 6–10 years of full stack software development experience Strong experience with C#, .NET Framework/.NET Core, ASP.NET Core, SQL Server, and JavaScript Experience with React, Angular, or Vue.js Knowledge of REST APIs, Entity Framework Core, Git, and Agile methodologies Experience with Azure, Docker, and CI/CD is a plus ColdFusion (CFML) experience—or a willingness to learn—is preferred Experience working with AI/LLM APIs and AI coding assistants Harrington provides an outstanding benefits package, designed to support our employees’ health, financial wellness, and work-life balance, with options that go above and beyond standard offerings! Insurance: Medical Plans: Choose from HDHP/HSA (with monthly company contributions) or a PPO option. Spousal HRA: SIHRA covers 100% of eligible expenses up to $9,400 per individual or $18,800 per family each calendar year. FSAs: Flexible spending options for health and dependent care expenses. Dental: Comprehensive, including orthodontic care for both children and adults Vision: Includes discounts on Lasik. Telehealth & Concierge: 24/7 healthcare access with prescription services for enrolled members. Life Insurance and AD&D: Company paid life and AD&D coverage Long Term Disability: Company paid LTD program Optional Coverages: Short term disability, voluntary pet care, identity protection, voluntary life insurance with optional dependent coverage, plus supplemental critical illness, accident, and hospital indemnity. Employee Assistance Program: Professional support for employees during critical times. Disability: Options for both short- and long-term coverage. Retirement: 401(K) & Roth: 100% company match on the first 3%, plus 0.5 match on the 4th and 5th% Work/Life Balance: Paid Time Off: Start with 3 weeks, with the potential to accrue up to 5 weeks per year. Holidays: 7 paid holidays, including the day after Thanksgiving. Additional Leave: Coverage for jury duty, witness duty, and bereavement leave. Harrington continuously seeks new ways to enhance benefits to help our employees thrive in every area of their lives. Harrington is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, gender identity, sexual orientation, disability status, protected veteran status, age, or any other characteristic protected by law.