Senior Software Engineer, Backend

Job Description Job Description This is an in-office role located in Huntington Beach, CA Senior Software Engineer, Backend We are a Huntington Beach, California-based Prop Tech company that builds software for the mortgage lending industry. Our marquis product, The Mortgage Office, is the market leader for Loan Servicing software in the private lending industry. We are a fast-growing, well-funded, B2B SaaS tech company with over 1200 SMB enterprise customers, driving productivity for an industry that is ripe for technological innovation. Come join our growing team enabling the most mission-critical projects. We are seeking a highly skilled Senior Software Engineer (Backend Focused) to join our growing development team in Huntington Beach, California. In this role, you will architect and build scalable, distributed backend services using Microsoft technologies, while working closely with cross-functional teams across product, QA, and frontend engineering. Our platform uses C#, ASP.NET, VB, React, MSSQL, Azure This role reports to the VP of Engineering and is a full-time, on-site W2 position based at our Huntington Beach office. Responsibilities: Architect, design, and develop scalable, resilient backend services for high-performing web applications that support complex business workflows. Ensure software quality and system performance by contributing to architectural decisions, conducting code reviews, and mentoring junior engineers. Partner with the Product team to translate customer requirements into solutions that create real impact for borrowers, customers and internal users. Collaborate with QA to ensure comprehensive test coverage and assist in troubleshooting and resolving issues. Stay ahead of emerging AI trends and help integrate relevant tools and practices into the development lifecycle to improve efficiency and delivery speed. Thrive in a fast-paced environment by prioritizing tasks effectively and adapting quickly to new challenges. Requirements: 5 years of professional experience working with .NET and C# (experience with ASP.NET, VB.NET, and C# preferred) Strong Computer Science fundamentals with expertise in architecture, object-oriented programming and system design. Experience building cloud based, distributed, resilient systems with the ability to handle large and variable traffic volumes. Strong understanding of database design and development with SQL Server; experience with NoSQL databases is a plus. Experience with CI/CD: Git, Azure DevOps, Jenkins. Working knowledge of Docker and cloud platforms Azure (preferred) or AWS. Bonus Points : BS/MS degree in Computer Science or a related field. Experience working on the frontend using React, Typescript Experience working in Mortgage, Private Lending, Fintech industry Effective communication and collaboration skills, with the ability to have fun in a small-team environment Benefits: Full medical benefits 401K matched Paid vacation Paid sick days Paid holidays Awesome holiday party Top compensation according to experience. Company Description Applied Business Software Inc. (ABS) has been developing/selling/supporting lending software since 1978. This high-end software, The Mortgage Office, is sold to small/medium sized lending institutions, and it has thousands of users across the globe. Customer satisfaction ratios are incredibly high (97%) and the product is very stable, popular, and in demand. Company Description Applied Business Software Inc. (ABS) has been developing/selling/supporting lending software since 1978. This high-end software, The Mortgage Office, is sold to small/medium sized lending institutions, and it has thousands of users across the globe. Customer satisfaction ratios are incredibly high (97%) and the product is very stable, popular, and in demand.

Location: Huntington Beach, California, US

Posted Date: 10/25/2025