Senior Developer – Professional Services Team at Applied Business Software – Huntington Beach, California

About Applied Business Software, Inc.,

Applied Business Software, Inc., (ABS), the maker of The Mortgage Office®, is the industry leader in private lending and loan management technology. Since 1978, our software has powered thousands of lenders, including private money firms, municipalities, CDFIs, Tribal Nations, universities, franchisors, third-party servicers and other non-bank lenders, helping them streamline, automate, and scale their lending operations with confidence.

About the role

We are seeking a Senior Developer to join our new Professional Services Team, playing a key role in the success of our clients’ onboarding and integrations. This customer-facing role is responsible for leading complex data conversions, designing and developing custom features and integrations, and ensuring every client implementation delivers reliability, accuracy, and long-term scalability. You’ll collaborate with clients, project managers, and internal teams to design technical solutions that streamline adoption of The Mortgage Office platform and maximize customer satisfaction.

What you'll do

Leadership & Technical Ownership

• Serve as the technical lead for customer implementation and data conversion projects from kickoff through completion.
• Mentor junior developers and contribute to establishing best practices for coding, testing, and documentation.
• Define reusable frameworks, templates, and scripts to standardize and accelerate future projects.

Data Conversions

• Architect, develop, and optimize data migration pipelines from legacy systems into The Mortgage Office SQL Server database.
• Lead client-facing data mapping and analysis sessions to identify schema differences, dependencies, and validation strategies.
• Build and execute ETL processes and validation tools to ensure data accuracy, completeness, and integrity.

Custom Development & Integrations

• Develop tailored solutions such as modules, integrations, and automation tools based on client requirements.
• Utilize The Mortgage Office API and supporting technologies to create seamless data exchange between systems.
• Collaborate with internal product and support teams to transform recurring client needs into productized features.

Customer Collaboration & Support

• Work directly with clients to gather requirements, define specifications, and deliver custom implementations.
• Provide advanced technical troubleshooting and support during conversions, testing, and go-live phases.
• Document all custom development, integration details, and conversion methodologies clearly and accurately.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
• 5+ years of experience in software development, preferably within enterprise, ERP, or financial software environments.
• Advanced proficiency in:
• • Microsoft SQL Server (T-SQL, stored procedures, triggers, optimization)
  • C# / .NET Framework and .NET Core
  • ETL scripting and data transformation workflows
  • RESTful API integration and data exchange formats (JSON, XML)
• Proven experience leading technical projects or implementations for enterprise clients.
• Familiarity with Git, Azure DevOps, or comparable source control and CI/CD platforms.

Why Join Us?

• Comprehensive health, dental, and vision coverage.
• 401(k) with company funded match.
• Mission-driven company with a 45+ year legacy and industry-leading products trusted by thousands of lenders.
• Collaborative, supportive team known for long tenure, deep expertise, and a culture built on trust and integrity.
• Help modernize and evolve the leading platform in private lending technology.
• Beautiful Huntington Beach or San Mateo office with a tight-knit culture.
• Competitive compensation and room for professional growth.
• Performance-based bonuses.
• Generous PTO.
• Modern workspace with on-site amenities.
• Awesome company Christmas party.

The pay range for this role is:
120,000 - 140,000 USD per year(Huntington Beach, CA (HQ))