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Flexible Senior Backend Developer Jobs (NOW HIRING)

The Hertz Corporation

Sr. Backend Developer

Estero, FL

$120K - $140K/yr

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 ...

Rumble - Career Page

Senior Back-End Developer

Miami, FL · On-site

$159K - $176K/yr

Rumble is seeking a Senior Back-End Developer to design, build, and maintain high-performance server-side systems that power a large-scale video platform serving millions of users. This is a senior ...

Hertz

Sr. Backend Developer

Estero, FL · On-site

$120K - $140K/yr

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 ...

1 point system

Sr. Backend .Net Developer

New York, NY · Remote

Our client is looking for a Sr backend .NET engineer with about 8+ years of experience * targeting a strong backend engineer with cloud and data integration experience * Should have experience with

Viasky

NY · On-site

$100 - $130/hr

Chi stiamo cercando Senior Back-end Developer con una consolidata conoscenza del mondo dei microservizi web. Cerchiamo un Back-end Developer con una consolidata conoscenza della programmazione ad ...

New

Scania Nederland B.V.

NY · On-site

$77.26 - $113.32/hr

Role Summary As a Senior Backend Developer, you will play a key role in building and evolving Erinion Connect, our cloud-native Charging Management System (CMS) for smart charging and energy ...

New

Judge Group, Inc.

Back-end Developer - V

Bedminster, NJ · On-site

$122K - $159K/yr

We are seeking a highly skilled Senior Back-end Developer with strong expertise in Java, Microservices, and NoSQL (Cassandra) to join our team. This role involves designing and implementing scalable ...

Alpha Consulting Corp.

Sr Backend Developer

Addison, TX · On-site

$116K - $151K/yr

Alpha Consulting Corp. is seeking a Sr Backend Developer to join their Enterprise Payments Technology (EPT) team. The role involves developing, enhancing, debugging, and maintaining software ...

Stefanini Group

Sr. Backend Developer

Dearborn, MI · On-site

Stefanini is looking for a Senior Backend Developer, Dearborn, MI (Onsite) For quick apply, please reach out Fardeen Ali at 248-582-6473/ fardeen.ali2@stefanini.com The Cloud Platform team is looking ...

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Flexible Senior Backend Developer information

See salary details

$64K

$139.8K

$190.5K

How much do flexible senior backend developer jobs pay per year?

As of Aug 20, 2026, the average yearly pay for flexible senior backend developer in the United States is $139,839.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,500.00 and $156,500.00 per year, depending on experience, location, and employer.

What is the difference between Flexible Senior Backend Developer vs Flexible Backend Developer?

AspectFlexible Senior Backend DeveloperFlexible Backend Developer
Required Experience5+ years, leadership skills often preferred1-3 years, focus on core backend skills
CertificationsOptional, but advanced certifications valuedNot typically required
Work EnvironmentCollaborative teams, often in tech companies or startupsSimilar environments, may include freelance or remote roles
ResponsibilitiesDesigning scalable backend systems, mentoring juniorsImplementing APIs, database management, coding

The main difference lies in experience and leadership. Flexible Senior Backend Developers typically have more years of experience and may take on mentorship or architectural roles, while Flexible Backend Developers focus on coding and implementation tasks. Both roles are vital in tech companies and often share similar work environments, but the senior role involves more strategic responsibilities.

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Flexible Senior Backend Developer jobs near you
Infographic showing various Flexible Senior Backend Developer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 67% Full Time, 29% Part Time, and 3% Contract. Highlights an 82% Physical, 2% Hybrid, and 16% Remote job distribution, with an average salary of $139,839 per year, or $67.2 per hour.

Sr. Backend Developer

The Hertz Corporation

Estero, FL

$120K - $140K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 6 days ago

Hertz rating

6.3

Company rating: 6.3 out of 10

Based on 197 frontline employees who took The Breakroom Quiz

139th of 175 rated vehicle equipment hire

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
The Hertz Corporation operates the Hertz, Dollar Car Rental, Thrifty Car Rental brands in approximately 9,700 corporate and franchisee locations throughout North America, Europe, The Caribbean, Latin America, Africa, the Middle East, Asia, Australia and New Zealand. The Hertz Corporation is one of the largest worldwide airport general use vehicle rental companies, and the Hertz brand is one of the most recognized in the world.
 
US EEO STATEMENT 
At Hertz, we champion and celebrate a culture of diversity and inclusion. We take affirmative steps to promote employment and advancement opportunities. The endless variety of perspectives, experiences, skills and talents that our employees invest in their work every day represent a significant part of our culture - and our success and reputation as a company. 
Individuals are encouraged to apply for positions because of the characteristics that make them unique. 
EOE, including disability/veteran

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