Sr. Backend Developer

Hertz; Estero, Northern (FL, KY); On-site; USD 120,000 - 140,000; Full time

Benefits offered by this job

40% off Hertz Rentals

Paid Time Off

Medical, Dental & Vision plans

401(k) employer matching

Parental Leave & Adoption Support

Employee Assistance Program

Educational Reimbursement & Discounts

Voluntary Insurance Programs

Theme Park Tickets & Gym Discounts

Job summary

Hertz in Estero, Florida is seeking a Senior Backend Engineer to design, build, and scale critical rental systems powering core business operations. You will own end-to-end features and partner with product, design, and engineering teams to deliver customer-centric rental experiences.

The role requires strong backend expertise, experience with Java/Spring Boot, microservices, and cloud environments. You will mentor engineers, drive architecture decisions, and ensure security, performance, and

Qualifications

• - 5+ years of backend software engineering experience.
• - Proven experience building and scaling production-grade systems.
• - Experience in domain-heavy systems (rental, travel, e-commerce, logistics) preferred.
• - Proficiency in Java, Spring Boot, or similar.
• - Strong experience designing APIs and microservices.
• - Cloud experience (AWS/Azure/GCP).
• - CI/CD, DevOps practices, observability and testing mindset.

Responsibilities

• 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 backends.
• 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.

Skills

5+ years backend experience

Production-grade systems

Problem-solving

Communication

Product mindset

Adaptability

End-to-end ownership

Education

B.S. in Computer Science or equivalent

Tools

Java

Spring Boot

APIs & microservices

CI/CD

DevOps practices

Observability tools

AWS/Azure/GCP

PostgreSQL

MySQL

DynamoDB

Kafka

SQS

Job description

We are seeking a Senior 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.

What you will do:

• 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

Required Skills :

• 5+ years of backend software engineering experience
• 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, or similar
• Strong experience designing APIs and microservices
• 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
• Understanding of authentication, authorization, and security best practices
• Experience working within a cloud environment ex: (AWS/Azure/GCP)

Preferred Skills:

• Strong knowledge of databases (PostgreSQL, MySQL, DynamoDB, etc.)
• Experience with caching, messaging systems (Kafka, SQS), and event-driven architecture.
• B.S. in Computer Science or equivalent

Stating salary range is $120,000- $140,000 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