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Senior Application Software Engineer Jobs in Connecticut

RCN Capital LLC

Senior Software Engineer

South Windsor, CT · On-site

$119K - $156K/yr

... 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

subway

Sr. Software Engineer

Shelton, CT

$122K - $162K/yr

Sr. Software Engineer, Middleware Shelton, CT or Miami, FL Why Join Subway? At Subway, we are not standing still. We are building. This is a business focused on what matters most: growing franchisee ...

subway

Sr. Software Engineer

Shelton, CT · On-site

$122K - $162K/yr

Sr. Software Engineer, Middleware Shelton, CT or Miami, FL Why Join Subway? At Subway, we are not standing still. We are building. This is a business focused on what matters most: growing franchisee ...

TicketNetwork

Senior Software Engineer

South Windsor, CT · On-site

$119K - $156K/yr

... 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

Amarina Search Partners

Senior Software Engineer

Greenwich, CT · Hybrid

$137K - $181K/yr

Our client, a global financial technology organization headquartered in Greenwich, Connecticut, is seeking a Senior Software Engineer to join its engineering team. This is a hybrid position (3 days ...

New

subway

Sr. Software Engineer (React Native)

Shelton, CT

$119K - $149K/yr

Sr. Software Engineer (React Native) Ready to build what's next with one of the world's most iconic brands? Why Join Subway? At Subway, we are not standing still. We are building. This is a business ...

subway

Sr. Software Engineer (React Native)

Shelton, CT · On-site

$119K - $149K/yr

Sr. Software Engineer (React Native) Ready to build what's next with one of the world's most iconic brands? Why Join Subway? At Subway, we are not standing still. We are building. This is a business ...

subway

Sr. Software Engineer (React Native)

Shelton, CT · On-site

$119K - $149K/yr

Sr. Software Engineer (React Native) Ready to build what's next with one of the world's most iconic brands? Why Join Subway? At Subway, we are not standing still. We are building. This is a business ...

subway

Sr. Software Engineer (React Native)

Shelton, CT

$119K - $149K/yr

Sr. Software Engineer (React Native) Ready to build what's next with one of the world's most iconic brands? Why Join Subway? At Subway, we are not standing still. We are building. This is a business ...

subway

Sr. Software Engineer (React Native)

Shelton, CT · On-site

$119K - $149K/yr

Sr. Software Engineer (React Native) Ready to build what's next with one of the world's most iconic brands? Why Join Subway? At Subway, we are not standing still. We are building. This is a business ...

subway

Sr. Software Engineer (React Native)

Shelton, CT · On-site

$119K - $149K/yr

Sr. Software Engineer (React Native) Ready to build what's next with one of the world's most iconic brands? Why Join Subway? At Subway, we are not standing still. We are building. This is a business ...

subway

Sr. Software Engineer (React Native)

Shelton, CT

$119K - $149K/yr

Sr. Software Engineer (React Native) Ready to build what's next with one of the world's most iconic brands? Why Join Subway? At Subway, we are not standing still. We are building. This is a business ...

subway

Sr. Software Engineer (React Native)

Shelton, CT · On-site

$119K - $149K/yr

Sr. Software Engineer (React Native) Ready to build what's next with one of the world's most iconic brands? Why Join Subway? At Subway, we are not standing still. We are building. This is a business ...

subway

Sr. Software Engineer (React Native)

Shelton, CT · On-site

$119K - $149K/yr

Sr. Software Engineer (React Native) Ready to build what's next with one of the world's most iconic brands? Why Join Subway? At Subway, we are not standing still. We are building. This is a business ...

subway

Sr. Software Engineer (React Native)

Shelton, CT

$119K - $149K/yr

Sr. Software Engineer (React Native) Ready to build what's next with one of the world's most iconic brands? Why Join Subway? At Subway, we are not standing still. We are building. This is a business ...

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Showing results 41-60

All JobsApplication Software Engineer JobsSenior Application Software Engineer JobsSenior Application Software Engineer Jobs in Connecticut

Senior Application Software Engineer information

See Connecticut salary details

$42

$67

$103

How much do senior application software engineer jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for senior application software engineer in Connecticut is $67.41, according to ZipRecruiter salary data. Most workers in this role earn between $54.90 and $75.48 per hour, depending on experience, location, and employer.

What is the difference between Senior Application Software Engineer vs Software Developer?

AspectSenior Application Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; experience varies, often less than 5 years
Work EnvironmentDesigning, developing, and maintaining complex applications; often involved in architecture decisionsWriting, testing, and debugging code; focused on specific features or modules
Industry UsageCommon in tech, finance, healthcare, and enterprise sectorsWidespread across all industries requiring software solutions

Senior Application Software Engineers typically have more experience and responsibilities, including system design and mentorship, compared to Software Developers who focus more on coding and implementation. Both roles require strong programming skills, but the senior role involves broader project oversight and strategic input.

What does a senior application software engineer do?

A Senior Application Software Engineer is responsible for designing, developing, and maintaining complex software applications. They often lead technical projects, mentor junior engineers, and collaborate with cross-functional teams to deliver high-quality solutions. Their role includes analyzing user needs, writing code, troubleshooting issues, and ensuring software scalability and security. Senior engineers are also involved in architectural decisions and may help define software development standards within their organization.

How does a senior application software engineer typically collaborate with cross-functional teams during the development lifecycle?

Senior Application Software Engineers frequently work alongside product managers, UX/UI designers, QA specialists, and other engineers to ensure software solutions meet business objectives and user needs. They often lead technical discussions, clarify requirements, and provide mentorship to junior developers. Effective communication and a proactive approach to problem-solving are crucial, as these engineers serve as a bridge between technical and non-technical stakeholders throughout the development, testing, and deployment phases.

What are the key skills and qualifications needed to thrive as a senior application software engineer, and why are they important?

To thrive as a Senior Application Software Engineer, you need advanced proficiency in programming languages (such as Java, Python, or C#), software architecture, and a bachelor’s or master’s degree in computer science or a related field. Experience with development frameworks, cloud platforms, version control systems (like Git), and often certifications such as AWS Certified Developer or Microsoft Certified: Azure Developer Associate are highly valued. Strong problem-solving ability, leadership, and effective communication set standout professionals apart in this role. These skills and qualities are crucial for designing robust software solutions, mentoring teams, and ensuring successful project delivery in complex technical environments.
What cities in Connecticut are hiring for Senior Application Software Engineer jobs? Cities in Connecticut with the most Senior Application Software Engineer job openings:
What are popular job titles related to Senior Application Software Engineer jobs in CT? For Senior Application Software Engineer jobs in CT, the most frequently searched job titles are:
Senior Application Software Engineer jobs near you

Senior Software Engineer

RCN Capital LLC

South Windsor, CT • On-site

$119K - $156K/yr

Full-time

Retirement

Re-posted 14 days ago

Job description

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.

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