$120K - 160K a year
Develop and maintain mortgage servicing platform applications using .NET and cloud technologies, write high-quality code, perform testing and deployment, provide support, and manage projects independently or collaboratively.
9+ years experience in financial services with strong .NET Core, AWS cloud, full-stack development, AI coding tools experience, knowledge of Agile, relational databases, and front-end technologies, with hybrid work in Westlake Village, CA.
Sr. .Net developer with financial client recent but only considering candidates for Westlake Village, CA. Hybrid Role Highlights: • .NET Core: Experience with Version 8 is preferred and Version 6 is also acceptable • Cloud Experience: AWS – EC2, SQS, SNS, Lambda, Containers, API Gateway • Full-Stack Development: Candidates must have hands-on experience across all layers of the application, including both front-end and back-end • AI Tools: Experience with AI-based coding assistants (e.g., GitHub Copilot or equivalent) is a must. • Contract-to-Hire: These roles will start as contract positions with the potential to convert to full-time. • No Sponsorship (current or future) Interview process: • Every candidate will be required to complete a coding test administered by us. Details are being finalized and should be available next week. • Based on test scores, candidates will progress to the technical interview – a 60-minute panel session. • Only candidates clearing the assessments will be scheduled for the tech round of interviews. • Be concise in your submissions – the data is being tracked, and your submission success rate is monitored. Responsibilities: The Senior Application Developer utilizes minimum requirements to develop technology solutions for the Mortgage Servicing platform using a cloud solution and Microsoft technologies, utilizing services from our cloud service provider. Will write high quality code to create complex business applications; test software during development; perform quality assurance and user acceptance testing; prepare software for deployment; provide post implementation support; prepare application documentation. The Senior Application Developer will: • Use the latest tools and techniques (.NET, C#, Agile Methodologies, Web Services, TSQL, SSIS) • In-depth knowledge of JavaScript, CSS, HTML, functional programming, and front-end languages • Prepare software for deployment to production environments • Respond to and resolve questions and issues logged by users of a live system • Manage small projects independently and work as a team member on larger projects • Perform other related duties as required and assigned • Demonstrate behaviors which are aligned with the organization’s desired culture and values Qualifications: • financial services firm work experience • 9+ years of relevant work experience • Knowledge of Agile Methodologies, such as Extreme Programming (XP) and Scrum is helpful • Experience with relational databases (SQL Server, MySQL, PostgreSQL) • Knowledge of design patterns, refactoring and unit testing • Experience with Linux and open source software is a plus • AWS Environment - EC2, SQS, SNS, Lambda, Containers, API Gateway experience highly preferred • Financial services experience, especially related to mortgages and mortgages backed securities, is desirable
This job posting was last updated on 10/14/2025