Walker & Dunlop

Senior Software Engineer

Walker & Dunlop$120K — $150K *
US-AnywhereRemote in Netherlands
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 6+ years of professional software development experience
  • Bachelor’s degree in Computer Science or related field (or equivalent experience)
  • Strong experience with building APIs and backend services in Python
  • Experience with containerized applications in AWS environments
  • Preferred experience in real estate finance or financial services

Responsibilities

  • Design, build, and maintain scalable applications across product lines
  • Own features from architecture and development through to deployment
  • Architect and evolve the core tech stack including Python, FastAPI, and PostgreSQL
  • Translate business requirements into technical solutions with stakeholders
  • Drive improvements in performance and CI/CD practices
  • Mentor junior engineers and contribute to a culture of excellence
  • Perform other duties as assigned

Benefits

  • Opportunity for career advancement in a rapidly growing organization
  • Agile working environment with flexible hours and location
  • Family-friendly company culture with social activities
  • Pension scheme and complimentary mental health services
Full Job Description

Department:

WDTech - R&D

The Impact You Will Have

As a Senior Software Engineer, you will help shape the future of our Loan Origination and Servicing platform — the digital foundation for how capital is structured and deployed. You will design and build scalable applications and services that power real-time insights and complex financial workflows. By combining strong backend architecture with thoughtful system design, you will deliver high-performance solutions that enable smarter decision-making across the business.

Primary Responsibilities

  • Design, build, and maintain scalable, high-quality applications across new and existing product lines.
  • Own features end-to-end — from architecture and development through testing, deployment, and iteration.
  • Architect and evolve our core stack (Python, FastAPI, Vue.js, PostgreSQL, Redis, Docker, Kubernetes).
  • Translate complex business and product requirements into elegant, reliable technical solutions in collaboration with Product and business stakeholders.
  • Drive improvements in performance, reliability, testing, and CI/CD practices.
  • Mentor engineers and contribute to a culture of engineering excellence and accountability.
  • Perform other duties as assigned.

Education and Experience

  • 6+ years of professional software development experience.
  • Bachelor’s degree in Computer Science or a related field (or equivalent practical experience).
  • Strong experience building APIs and backend services in Python, including OpenAPI-based service contracts.
  • Experience developing and deploying containerized applications in AWS environments, including event-driven architectures.
  • Experience in real estate finance or financial services preferred.

Knowledge, Skills and Abilities

  • Deep proficiency in Python (3.6+) and modern backend frameworks such as FastAPI, with a strong focus on clean, maintainable architecture.
  • Strong expertise in SQL databases, including schema design, query optimization, and performance tuning.
  • Ability to design efficient, scalable backend systems, including background processing, queues, caching strategies, and scheduled jobs.
  • Strong understanding of testing strategies across unit, integration, and end-to-end levels.
  • Working knowledge of system design documentation practices, including UML and architectural diagrams.
  • Familiarity with event sourcing and/or Domain-Driven Design (DDD) principles.
  • Ability to leverage AI-enabled development tools to enhance design, implementation, and testing workflows.
  • Demonstrated ownership mindset with a commitment to quality, accountability, and continuous improvement.
  • Agile mindset with the ability to work independently, provide early feedback, and adapt to evolving requirements.
  • Ability to show ownership of your work, take on challenges and acknowledge growth opportunities, and demonstrate patience when learning new processes.
  • Courtesy, respect, and thoughtfulness in teaming with colleagues and other stakeholders.

#LI-MR1

#LI-Remote

What We Offer 

  • You will have the opportunity to accelerate in our rapidly growing organization.

  • Agile working environment with flexible working hours and location, career advancement, and competitive compensation package.

  • We are a family friendly company.

  • We arrange social activities to help our employees and families become familiar with each other and our culture.

  • In addition to other benefits, we offer a pension scheme and 100% complimentary and confidential mental health services.

About Walker & Dunlop

Walker & Dunlop is a commercial real estate finance company headquartered in Bethesda, Maryland. The company originates, sells, and services a range of multifamily and other commercial real estate financing products, including multifamily loans, FHA loans, and bridge loans. The company has been in business for over 80 years and has a long history of providing financing solutions to its clients. The company has a national footprint and operates in all 50 states. The company is committed to providing its clients with the best possible financing solutions and has a strong track record of success in the commercial real estate industry.
Learn more about Walker & Dunlop
Size
1,305 employees
Market Cap
$2.5 billion
Industry
Net Income
$246.1 million
Founded
1937
5 Year Trend
+17%
Revenue
$1 billion
NASDAQ

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