Senior Software Engineer

At Cotality, we are driven by a single mission—to make the property industry faster, smarter, and more people-centric. Cotality is the trusted source for property intelligence, with unmatched precision, depth, breadth, and insights across the entire ecosystem. Our talented team of 5,000 employees globally uses our network, scale, connectivity and technology to drive the largest asset class in the world. Join us as we work toward our vision of fueling a thriving global property ecosystem and a more resilient society.

Cotality is committed to cultivating a diverse and inclusive work culture that inspires innovation and bold thinking; it's a place where you can collaborate, feel valued, develop skills and directly impact the real estate economy. We know our people are our greatest asset. At Cotality, you can be yourself, lift people up and make an impact. By putting clients first and continuously innovating, we're working together to set the pace for unlocking new possibilities that better serve the property industry.

Job Description:

You will drive the design, development, and testing of complex enterprise systems and applications using modern .NET technologies for our mortgage technology platform. In this role, you will champion our transition to AI-first engineering practices by actively integrating Agentic AI, Model Context Protocol (MCP), and approved AI tools into the software development life cycle (SDLC) to drive operational efficiencies and platform modernization.

What You’ll Do

AI-Native Transformation & Agentic Workflows

• AI-Native Transformation & Agentic Workflows: execute AI-native transformation initiatives, MCP server capabilities, and leverage tools like BMAD and Spec Kit to build modern lender self-service capabilities.

• Platform & Cloud Engineering: Build, maintain, and take hands-on ownership of internal services, rate management engines, and GCP-based CI/CD pipelines across both UI-based and API-driven lender integrations

• Own Enablement Lifecycles: Author and maintain architectural definitions, AGENTS.md specifications, and skill architectures to ensure teams have the foundations to work effectively with AI tools.

Engineering Excellence & Technical Leadership

• Accelerated Leadership: Embrace a leadership trajectory with the opportunity to become a Dev Anchor (Tech Lead) guiding, mentoring, and elevating the team's output.

• TDD & Pair Programming: Pair program using Test-Driven Development (TDD), collaborate cross-functionally with QA, product, and client stakeholders, and take end-to-end ownership of workstreams

• Technical Direction: Collaborate across full-stack boundaries to provide technical direction on ASP.NET Core Web API designs, database schemas, and microservices architecture.

• Full SDLC Ownership: Operate across the entire platform lifecycle from requirements and cloud architecture through build, test, deployment, and platform-wide production incident diagnosis.

Job Qualifications:

• Bachelor’s degree in computer science, Software Engineering, or a related field (or equivalent practical work experience).

• Core .NET Expertise: 5-8+ years of experience developing scalable applications using modern Object-Oriented Programming languages, with advanced proficiency in C# and .NET Core/.NET 8+.

• Full-Stack Proficiency: Seasoned experience with ASP.NET Core APIs, modern frontend frameworks (Angular preferred, React acceptable), and hands-on cloud environment execution with GCP and CI/CD pipelines.

• Data & Cloud Infrastructure: Strong SQL skills with experience handling various database technologies (e.g., Oracle, SQL Server, or BigQuery) and Cloud Platforms.

• System Ownership & AI Tooling: Proven track record of platform-wide troubleshooting, system ownership, and hands-on experience using modern AI-assisted development tools, LLM APIs, and agentic workflows.

Nice-to-Haves / Preferred

• Direct experience with the Model Context Protocol (MCP) and building or integrating custom Agentic AI servers within a .NET environment.

• Direct experience in Mortgage Technology, Closing Cost/Loan Estimation systems, or Real Estate fintech platforms.

Required Skills:

.NET 8/9, C#, ASP.NET Core, Angular, Agentic AI, SQL Server, Test Driven Development (TDD), Solution-Oriented Thinking

Optional Skills:

Apache Kafka, Model Context Protocol (MCP), Micro Frontends, CI/CD Jenkins Pipelines

Annual Pay Range:

111,900 - 145,000 USD

Application Window:

This opportunity is expected to remain posted through the date identified below, subject to business needs.

2026-09-01

Thrive with Cotality

At Cotality, we offer more than just a job, we provide a benefits experience designed to support your whole self. From a flexible working model to competitive time off and standout health coverage with meaningful perks and growth opportunities, our package is built to help you thrive at work and in life.

Highlights, depending on role classification, include:

• Time off: Generous PTO and 11 paid holidays, plus well-being and volunteer time off.

• Family Support: Up to 16 weeks of fully paid parental leave and a baby stipend.

• Health: Multiple medical plan options with mental health and wellness support offerings.

• Retirement: 401(k) with company match and vesting after one year.

• Financial Perks: $400 annual well-being stipend and tuition assistance up to $5,250.

• Extras: Recognition Rewards, Referral bonuses, exclusive discounts and more!

Cotality is an Equal Opportunity employer committed to attracting and retaining the best-qualified people available, without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability or status as a veteran of the Armed Forces, or any other basis protected by federal, state or local law. Cotality maintains a Drug-Free Workplace. ​​​

Cotality is fully committed to a work environment that embraces everyone’s unique contributions, experiences and values. We offer an empowered work environment that encourages creativity, initiative and professional growth and provides a competitive salary and benefits package. ​ We are better together when we support and recognize our differences.  ​

Privacy Policy

Global Applicant Privacy Policy

By providing your telephone number, you agree to receive automated (SMS) text messages at that number from Cotality regarding all matters related to your application and, if you are hired, your employment and company business. Message & data rates may apply. You can opt out at any time by responding STOP or UNSUBSCRIBING and will automatically be opted out company-wide.

Connect with us on social media!  Click on the quicklinks below to find out more about our company and associates