Senior Software Development Engineer Visa Sponsorship Jobs in Connecticut
Connecticut's senior software development engineer jobs with visa sponsorship are concentrated around Hartford's insurance-tech giants like Aetna and The Hartford, Stamford's financial services firms, and the defense and aerospace corridor anchored by companies such as Raytheon Technologies and Sikorsky. UConn and Yale also feed steady engineering talent pipelines into the state's growing tech sector.
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Get Access To All JobsINTRODUCTION
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
WHY RCN CAPITAL:
- Growth-oriented environment with opportunities to expand your legal skill set
- Ongoing training and development
- Casual dress policy
- Free food and beverage program
- Competitive benefits, including 401(k)
- And many additional perks
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.
INTRODUCTION
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
WHY RCN CAPITAL:
- Growth-oriented environment with opportunities to expand your legal skill set
- Ongoing training and development
- Casual dress policy
- Free food and beverage program
- Competitive benefits, including 401(k)
- And many additional perks
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.
Senior Software Development Engineer Job Roles in Connecticut
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Search Senior Software Development Engineer Jobs in ConnecticutSenior Software Development Engineer Jobs in Connecticut: Frequently Asked Questions
Which companies sponsor visas for senior software development engineers in Connecticut?
Major sponsors in Connecticut include Aetna, The Hartford, and Cigna in the insurance-tech space, along with Raytheon Technologies, Sikorsky, and General Dynamics for defense and aerospace software roles. Financial services firms concentrated in Stamford, such as UBS and Synchrony Financial, also have established H-1B visa sponsorship histories for senior engineering talent based on Department of Labor disclosure data.
Which visa types are most common for senior software development engineer roles in Connecticut?
The H-1B is the most common visa for senior software development engineers in Connecticut, as these roles consistently qualify as specialty occupations requiring at least a bachelor's degree in computer science or a related field. Candidates with extraordinary ability may pursue the O-1A. Intracompany transferees at large multinationals like Cigna or Raytheon may also use the L-1A or L-1B depending on their role and seniority.
Which cities in Connecticut have the most senior software development engineer sponsorship jobs?
Hartford leads the state, driven by its concentration of insurance and financial technology companies with active engineering teams. Stamford is a strong second, particularly for fintech and financial services software roles. New Haven has a growing presence tied to Yale-affiliated startups and biotech software development. Shelton and Farmington also appear in DOL filings from mid-size defense and healthcare technology employers.
How to find senior software development engineer visa sponsorship jobs in Connecticut?
Migrate Mate filters senior software development engineer roles specifically by visa sponsorship availability, so you can browse Connecticut listings without sorting through employers who don't sponsor. The platform surfaces roles from established sponsors across Hartford, Stamford, and New Haven, covering insurance-tech, defense, and financial services, which are the three dominant hiring industries for senior engineering talent in the state.
Are there state-specific considerations for senior software development engineers seeking sponsorship in Connecticut?
Connecticut's prevailing wage requirements for H-1B positions follow Department of Labor wage levels, and senior software development engineer roles typically fall at Level III or Level IV given the seniority classification. The state's heavy presence of regulated industries, including insurance and defense contracting, means employers tend to have structured legal and HR processes for visa sponsorship, which can make the petition process more standardized than at smaller startups.
What is the prevailing wage for sponsored senior software development engineer jobs in Connecticut?
U.S. employers sponsoring a visa must pay at least the prevailing wage, which is what workers in the same role, area, and experience level typically earn. The Department of Labor sets this rate to make sure companies aren't hiring foreign workers simply because they'd accept lower pay than a U.S. worker. It varies by job title, location, and experience. You can look up current prevailing wage rates for any occupation and location using the OFLC Wage Search page.