Senior Software Engineer

RCN Capital is a nationwide wholesale lender focused on helping real estate investors and independent mortgage brokers finance non-owner-occupied residential investment properties. We support a range of strategies including ground-up construction, fix-and-flip projects, and long-term rental financing through a streamlined process, dedicated teams, and a commitment to exceptional service.

We are seeking a Senior Full Stack Engineer to lead the design and development of next-generation financial and partner-facing platforms, including the Loan Origination System (LOS), Partner Ecosystem, and Sales Portal. This role is responsible for end-to-end delivery of modern, cloud-native applications using .NET 10, React, and TypeScript, with a strong emphasis on scalable architecture and high-quality engineering standards.

The ideal candidate brings a builder mindset for net-new development, combined with an innovation mindset to integrate AI-powered capabilities and agentic workflows into core business processes. This role will act as a technical leader within the Project Nexus ecosystem and serve as a bridge between onshore leadership and offshore delivery teams.

Primary Responsibilities:

Lead architecture and hands-on development of modern web applications supporting LOS, Partner Portals, and Sales Platforms

Design, build, and maintain React and TypeScript front-end applications using modern patterns and state management

Develop high-performance backend services and APIs using C# and .NET 10 / .NET Core

Design and implement AI-powered features, including intelligent agents and automated document processing using Azure OpenAI Services

Collaborate closely with offshore development teams, performing code reviews and providing architectural and technical guidance

Design and implement cloud-native architectures leveraging Azure services such as Functions, App Services, Service Bus, and serverless components

Ensure secure-by-design coding practices, including authentication, authorization, and secrets management

Support production systems and participate in design reviews, technical planning, and platform evolution initiatives

Required Skills:

Frontend: Expert-level React (Hooks, Context API) and TypeScript.

Experience with modern state management (Redux/Zustand) and Tailwind CSS

Backend: Deep proficiency in C# and .NET 10/Core.

Experience with Entity Framework Core and high-performance API design.

AI/GenAI: Proven experience with LLMs (4th generation or newer), Prompt Engineering, and building RAG applications.

Familiarity with LangChain or Semantic Kernel is a plus.

Cloud Strong experience with Azure (App Services, AI Search, Key Vault) and Azure DevOps/GitHub Actions for CI/CD.

Database Advanced PostgreSQL skills, including schema design, performance tuning, and NoSQL (CosmosDB) experience.

Preferred Skills: Experience with AI / GenAI concepts, including LLMs, prompt engineering, or Retrieval-Augmented Generation (RAG) patterns

Familiarity with Azure OpenAI Services, LangChain, Semantic Kernel, or similar frameworks

Experience with containerization and orchestration (Docker, Kubernetes)

Exposure to NoSQL databases such as Cosmos DB

Understanding of secure coding practices and regulated data environments

Required Experience: 7+ years of professional software development experience

At least 3 years operating in a Senior or Lead Engineer capacity

Hands-on experience building and supporting production-grade, cloud-native applications

Experience collaborating with distributed or offshore development teams

Preferred Experience: FinTech, lending, or financial services platform development

Building or modernizing partner portals or external-facing systems

Greenfield development of enterprise platforms

Platforms that have evolved to incorporate AI-assisted workflows

Education: Bachelor's degree in Computer Science, Software Engineering, Information Systems, or related field required

Master's degree in Computer Science, Software Engineering, Information Systems, or related field preferred

Preferred Certifications: Microsoft Certified: Azure Developer Associate

Microsoft Certified: Azure Fundamentals or Azure AI Fundamentals

Other relevant cloud or software engineering certifications

Work Schedule: Full time

Monday-Friday, 9:00AM to 6:00PM

Hybrid work model with first 90 days onsite and 2 days/week in office after in either:

South Windsor, CT

Charlotte, NC

We Offer: Competitive benefits, including Medical, Dental, Vision, Life Insurance, Short/Long-Term Disability, 401K, and more!

Paid Time Off and Paid Company Holidays

Growth-oriented work environment

Training opportunities

Casual dress policy

Free Food and Beverage Program

Many more perks!

Equal Opportunity Employer

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