loanDepot · 3 months ago
Principal Software Engineer (C#/SQL/Azure)
Irvine, CA
Full-time
Onsite
Lead/Staff
$170K/yr - $233K/yr
10+ years exploanDepot is a digital commerce company committed to serving its customers throughout the home ownership journey. The Principal Software Engineer is responsible for delivering innovative software solutions across various enterprise applications, focusing on both front-end and back-end development.
BankingFinanceFinancial ServicesMortgageReal Estate
Responsibilities
Develops software: Designs and implements new technologies, frameworks and platform improvements. Subject-matter expert for platforms
Testing: Expert, builds happy-path and sad-path unit tests. Builds tests which validate key capabilities or fragile code. Builds automated functional and integration tests. Experienced with Test Driven Development (TDD), Behavior Driven Development (BDD) and other testing methodologies. Creates testing strategy
Translates mock up Photoshop/Fireworks images to HTML/CSS/JavaScript
Constructs web page HTML & CSS layout templates for use by UX/UI engineers
Works with the team’s graphic designers to obtain usable assets
Implements and/or stylizes controls both from scratch and from reference material
Maintains CSS application-wide
Participates in UI/UX testing
Designs, develops and delivers solutions that meet business line and enterprise requirements
Creates enterprise-grade application services
Participates in rapid prototyping and POC development efforts
Advances overall enterprise technical architecture and implementation best practices
Assists in efforts to develop and refine functional and non-functional requirements
Participates in iteration and release planning
Performs functional and non-functional testing
Contributes to overall enterprise technical architecture and implementation best practices
Informs efforts to develop and refine functional and non-functional requirements
Qualification
Required
Deep experience with common development methodologies, including the pros and cons of each
Deep understanding of development methodologies including Agile, Spiral and Waterfall
Experience in one or more specific implementations such as Kanban, Scrum or Behavior Driven Development (BDD)
Familiar with Agile scaling methodologies such as Scrum at Scale, Scaled Agile Framework (SAFe) and Large-Scale Scrum (LeSS)
Has participated in Development Practice and Methodology development and implementation (an Agile transformation, for example)
Creates a network of influence by building solid relationships with others
Proven success driving initiatives across multiple teams
Works with their mentor regularly
Actively mentors one or more colleagues
Helps to drive organizational change and improvement by actively looking for ways to be more efficient and work better together
Regular mentorship of one or more colleagues
Open to coaching, takes direction well
Expert competence with multiple relevant languages
7+ years of experience
Deep experience with advanced methods for analyzing information of almost any kind
IDEs, editors, debuggers, open source and commercial alternatives, ORMs, code analysis, containers, VMs, cloud (AWS, Azure) etc
Has authored tools
Deep understanding of many data structures, including arrays, records, linked lists, dictionaries, heaps, graphs, hashtables, queues, etc
Understands how data structures impact performance, concurrency and other considerations
Knowledge of emerging structures and alternative ways to manage data (filestreams, key/value pairs, blockchain, etc.)
Deep understanding of many algorithms such as Bubble Sort, Binary Sort, Backtracking, Quicksort, Mergesort, Breadth/Depth First Searches, Divide and conquer, Tree Traversals, etc
Understands how algorithms impact performance, caching, memory utilization and other considerations
Knowledge of advanced algorithms such as Kruskal's Minimum Spanning Tree, Dijkstra's shortest path, Single-Source Shortest Paths, etc
Deep experience of how programming languages work including compilers, linkers, interpreters, threading, sockets, network protocols, caching, garbage collection, memory addressing, scaling, etc
Understands the impact of these on performance, resource utilization, etc
Deep understanding of architectural concepts such as Service Oriented Architecture, microservices, etc. and the performance, maintenance, scaling and other considerations of these approaches
Ability to learn new technologies and languages
Deep understanding of many design patterns the pros and cons of different approaches
Knows when to apply different patterns and understands performance and maintenance impacts of various patterns
Deep understanding of one or more source/version control systems
Develops branching and merging strategies
Experience with Distributed Source Control
Expert, deep and broad knowledge of the entire API suite, knows many from memory
Designs and implements new APIs, directs colleagues in doing the same
Experience building APIs and services using SOAP and REST
Familiar with the pros and cons of each
Creates code which is readable, clear and concise
Develops and adheres to coding standards based on best practices
Develops guidelines for coding best practices
Builds frameworks for validations and testability
Builds and/or implements tools to analyze and improve code quality
Sets design and coding standards
Advanced queries and table design
Understanding of indexing and normalization
Capable of performance tuning queries
Understanding of both DDL and DML
Basic administration
Understanding of all database capabilities (triggers, views, stored procs, etc.)
Familiarity with ORM tools
Understanding of datamart and data warehousing concepts including variant schemas (Star, Snowflake)
Familiar with big data patterns
Expert in HTML/HTML5
Expert in CSS
Expert in CSS pre-processors such as LESS and SASS
Expert in cross-browser/cross-platform development techniques
Solid working knowledge of modern object-oriented JavaScript and JavaScript frameworks, especially JQuery, Bootstrap and Angular
Solid working knowledge of image editing tools (Photoshop/Fireworks)
Solid understanding of responsive design and other modern web techniques
Expert in designing best practices for page layout, typography and usability
Strong experience working with Microsoft (Visual Studio 15, TFS, IIS8) and related tools strongly desired
Strong working knowledge of ASP.NET MVC and/or C# is a plus
Experience with KendoUI
Expert in developing enterprise level systems on the .NET framework using C#
Expert in developing web services
Proficient in Visual Studio 2013/2015 to develop enterprise grade software
Expert in service oriented architecture design principles, patterns and best practices
Expert in modern object-oriented development techniques
Expert in enterprise architecture principals, patterns and practices
Expert in SQL and relational database design
Expert in Web API, REST, JSON
Solid understanding of unit testing creation
Solid understanding of MS SQL Server preferred
Solid understanding of MS IIS preferred
Web UI development experience using Javascript and Javascript UI frameworks is a plus
Experience with continuous integration tools and processes is a plus
Preferred
B.S. in Computer Science or B.S. Software Engineering or B.A. in Computer Information Systems or equivalent education or experience
Minimum ten (10) + plus years of relevant technology job experience
Experience in the Mortgage industry preferred
Benefits
Comprehensive benefits package including Medical/Dental/Vision.
Wellness program to support both mental and physical health.
Generous paid time off options to support work-life balance.
Company
loanDepot
loanDepot is an independent retail mortgage lender that provides residential loans, refinance loans, and personal loan products nationwide.
1001-5000 employees
H1B Sponsorship
loanDepot has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (14)
2024 (7)
2023 (20)
2022 (49)
2021 (39)
2020 (23)
Funding
Current Stage
Public CompanyTotal Funding
$831.95MKey Investors
Parthenon Capital Partners
2025-08-19Post Ipo Debt· $150M
2025-06-02Post Ipo Debt· $200M
2024-09-30Post Ipo Debt· $300M
Leadership Team
David Smith
VP of National VA Lending
Jeffrey Wilkish
Regional Vice President
Recent News
2026-01-11
2026-01-11
Company data provided by crunchbase