Freelance Java Backend Developer Jobs in Cape Coral, FL

We are seeking a Staff Backend Engineer to design, build, and scale critical rental systems that power core business operations. This role requires strong expertise on backend development, with the ability to design end-to-end solutions, drive architecture decisions, and deliver highly scalable, resilient systems.

You will partner with product, design, and engineering teams to build modern, customer-centric rental experiences and robust backend platforms.

A Day in the Life:

As a Staff Full Stack Engineer, with a backend engineering focus you will:

• Design and develop end-to-end features
• Own critical components of rental systems such as reservations, pricing, fleet, and checkout flows
• Build scalable microservices and responsive user interfaces
• Collaborate with cross-functional teams to translate business requirements into technical solutions
• Lead architectural discussions and influence system design decisions
• Mentor junior engineers and promote engineering best practices
• Ensure high standards of performance, security, scalability, and maintainability

What you will do:

Full Stack Development

• Design, develop, and maintain production services
• Develop backend services using Java, Node.js, or similar technologies
• Design and implement RESTful APIs

System Design & Architecture

• Architect scalable, distributed systems for rental platforms
• Design domain-driven solutions for reservations, inventory, pricing, and customer workflows
• Ensure systems are resilient, fault-tolerant, and highly available
• Cloud & DevOps
• Build and deploy applications in cloud environments (AWS, Azure, or GCP)
• Implement CI/CD pipelines and infrastructure-as-code practices
• Monitor and optimize system performance and reliability

Data & Integration

• Work with relational and NoSQL databases
• Design efficient data models and ensure data consistency
• Integrate with internal and external services (payments, identity, third-party APIs)
• Quality & Engineering Excellence
• Drive test automation (unit, integration, end-to-end)
• Participate in code reviews and enforce coding standards
• Improve engineering processes, tooling, and developer productivity

Collaboration & Leadership

• Partner with Product, UX, and business stakeholders
• Break down complex problems into deliverable solutions
• Mentor engineers and contribute to team growth

What We're Looking For:

• 7+ years of software engineering experience
• B.S. in Computer Science or equivalent
• 5+ years of full stack development experience; backend focused
• Proven experience building and scaling production-grade systems
• Experience in domain-heavy systems (e.g., rental, travel, e-commerce, logistics) preferred
• Proficiency in Java, Spring Boot, Node.js, or similar
• Strong experience designing APIs and microservices
• Understanding of authentication, authorization, and security best practices
• Experience with AWS/Azure/GCP
• Strong knowledge of databases (PostgreSQL, MySQL, DynamoDB, etc.)
• Experience with caching, messaging systems (Kafka, SQS), and event-driven architecture.
• Strong understanding of system design, scalability, and distributed systems
• Experience with CI/CD, DevOps practices, and observability tools
• Test-driven development and automation mindset
• Strong problem-solving and analytical thinking
• Ability to own features end-to-end
• Excellent communication and collaboration skills
• Product mindset with focus on customer experience
• Adaptability in fast-paced environments

Nice to Have

• Experience with rental, mobility, or travel systems
• Knowledge of pricing engines, inventory systems, or booking platforms
• Exposure to event-driven systems and domain-driven design

The starting salary is $175k but will be commensurate with experience.

What You’ll Get:

• 40% off any standard Hertz Rental  
• Paid Time Off
• Medical, Dental & Vision plan options
• Retirement programs, including 401(k) employer matching
• Paid Parental Leave & Adoption Assistance
• Employee Assistance Program for employees & family
• Educational Reimbursement & Discounts
• Voluntary Insurance Programs - Pet, Legal/Identity Theft, Critical Illness

Perks & Discounts –Theme Park Tickets, Gym Discounts & more