Senior Software Engineer Startup Jobs in Florida

Job Title: Sr Software Engineer

Department: IT

Pay Grade:
   

Overtime Eligibility:
   Exempt

Date:  
 June, 2026

Job Summary:

We are seeking an innovative, high-caliber Senior Software Engineer to drive the architectural design, full-stack development, and long-term optimization of our enterprise web and mobile-responsive applications. In this role, you will be the cornerstone of our technology squad, building robust digital platforms that power our ancillary automotive insurance products.

The ideal candidate bridges exceptional technical depth in the Microsoft ecosystem with sharp business acumen. You possess a passion for software craftsmanship, an analytical mindset for optimizing heavy data environments, and the collaborative leadership skills required to transform strategic business requirements into elegant, high-performing code.

Minimum Qualifications:

Education

Bachelor’s degree in Computer Science, Information Systems, Engineering or equivalent track of professional engineering experience

Experience

7+ years of proven success developing complex, full-stack enterprise applications professionally

Licensure, Certification, and/or Registration

Supervision Exercised

☐ Direct    ☐ Indirect   ☒ N/A

Typical Positions Supervised

N/A   

Primary Job Functions

Software Architecture & Full-Stack Development

• Design & Engineering: Architect, develop, test, and deploy resilient, scalable enterprise applications using modern Microsoft .NET technologies (C#, ASP.NET, .NET Core).
• User Experience UI/UX: Construct high-performance, mobile-responsive web interfaces that deliver seamless customer journeys for insurance administration, claims processing, and customer service portals.
• API Management: Design, consume, and secure highly scalable RESTful and SOAP APIs using modern JSON-based architectures to integrate smoothly with third-party vendors and external business partners.
• AI Integration: Actively leverage and champion the use of AI-assisted engineering tools (e.g., GitHub Copilot, Cursor, Claude) to accelerate development velocities, automate unit testing, and optimize code documentation.

Database Optimization & Data Engineering

• Database Design: Structure complex SQL Server databases, designing clean schemas, maintaining relational integrity, and writing highly optimized stored procedures.
• Performance Tuning: Diagnose, profile, and troubleshoot complex query performance issues, ensuring system uptime and high throughput across high-volume production data environments.

Engineering Excellence, Governance, & DevOps

• Code Quality & Mentorship: Lead formal code reviews, mentor team members, and strictly champion modern design patterns, SOLID principles, and secure coding techniques (OWASP).

• Modern Workflows: Utilize Git-based version control alongside advanced branching strategies. Contribute directly to the implementation and optimization of automated CI/CD deployment pipelines and DevOps best practices.
• Cross-Functional Collaboration: Partner effectively with Product Owners, Business Analysts, and Quality Assurance specialists to translate complex strategic goals into technical execution.

Periodic Job Functions

Skills & Competencies Required

• Strong full-stack development experience using Microsoft .NET technologies (C#, ASP.NET, .NET Core/.NET).
• Extensive experience with SQL Server database design, development, performance tuning, and troubleshooting.
• Experience working with Git-based source control repositories and modern branching strategies.
• Experience developing and consuming SOAP and RESTful web services using JSON.
• Strong understanding of object-oriented programming principles, software architecture, and design patterns.
• Experience developing responsive web applications for desktop and mobile users.
• Knowledge of application security, authentication, authorization, and secure coding practices.
• Experience with Agile software development methodologies.
• Excellent analytical, problem-solving, and communication skills.
• Experience with the following preferred:
  • Microsoft Azure cloud services
  • CI/CD pipelines and DevOps practices
  • Insurance, financial services, or other regulated industries
  • Integrating with third-party vendors and external business partners
  • Leveraging AI-assisted software development tools such as GitHub Copilot, ChatGPT, Cursor, Claude, or similar technologies