Design, build, and scale full‑stack rental systems. Lead frontend architecture and implement complex UIs, integrate and design APIs, optimize performance and accessibility, drive code quality and testing, and collaborate cross‑functionally to deliver scalable microservices on AWS.
A Day in the Life:
We are seeking a Senior Full Stack Software Engineer to design, build, and scale critical rental systems that power core business operations. This role requires strong expertise across both frontend and backend development, with the ability to design end-to-end solutions, drive architecture decisions, and deliver highly scalable, resilient systems.
You will work across the full technology stack, partnering with product, design, and engineering teams to build modern, customer-centric rental experiences and robust backend platforms.
What you will do:
- Design, develop, and implement complex user interfaces for web applications.
- Build and scale web systems, focusing on the frontend architecture, using modern JavaScript frameworks, HTML, CSS, React, and related tools.
- Collaborate with backend engineers to integrate APIs and ensure smooth data flow and also help with API design to deliver a good user experience.
- Optimize web applications for performance, accessibility, and usability.
- Set a high bar for code quality, test coverage, and user experience for the frontend.
- Drive improvements in frontend development processes, tools, and methodologies.
- Partner cross-functionally with Product, Design, and other teams to deliver high-value features.
- Contribute to the development of frontend architecture and best practices.
Must Have
- Bachelor's degree in Computer Science, Software Engineering, or a related field.
- 8+ years of software engineering experience, including 6+ years of hands-on Java development.
- Strong expertise in Java 17+, Spring Boot, Spring MVC, Spring Security, Hibernate/JPA, and RESTful APIs.
- Experience designing and building scalable microservices and cloud-native applications on AWS.
- Experience with AI technologies, including LLMs, conversational AI, chatbots, voice AI, and integrations using MCP/A2A or similar AI frameworks.
- Hands-on experience with Docker, Kubernetes, Kafka/RabbitMQ, Git, and CI/CD tools (Jenkins, GitHub Actions, or Azure DevOps).
- Strong knowledge of SQL databases; familiarity with NoSQL databases (MongoDB, DynamoDB).
- Experience working in Agile environments with strong communication, problem-solving, and end-to-end ownership.
Nice to Have
- Experience building AI-powered user experiences and integrating LLMs into enterprise applications.
- Working knowledge of React, TypeScript, HTML/CSS, with the ability to collaborate on and contribute to frontend development.
- Knowledge of frontend architecture, performance optimization, and test automation.
- Experience with GraphQL, RAG, vector databases, or AI agent frameworks.
AWS certifications or experience in travel, mobility, or e-commerce domains.
Starting salary is $125,000. Offer 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
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
Hertz Flushing, New York, USA Office
Flushing, United States
Hertz Great Neck, New York, USA Office
Great Neck, United States
Hertz Hoboken, New Jersey, USA Office
Hoboken, United States
Hertz Jamaica, New York, USA Office
Jamaica, United States
Hertz Jersey City, New Jersey, USA Office
Jersey City, United States
Hertz New Brunswick, New Jersey, USA Office
New Brunswick, United States
Hertz New York, New York, USA Office
New York, United States
Hertz New York, New York, USA Office
New York, United States
Hertz New York, New York, USA Office
New York, United States
Hertz Newark, New Jersey, USA Office
Newark, United States, 0
Hertz Paramus, New Jersey, USA Office
Paramus, United States
Similar Jobs
Big Data • Fintech • Mobile • Payments • Financial Services
Lead technical direction and delivery for the Acquisition & Onboarding full‑stack team. Build and maintain mobile (React Native/native) and web experiences, backend services at scale, and operational tooling. Drive architecture, mentor engineers, ensure reliability/monitoring/on‑call readiness, collaborate with product and design, and improve dev processes, testing, and release practices to impact conversion and retention.
Top Skills:
Analytics InstrumentationAWSCi/CdExperimentationFeature FlaggingJavaScriptKotlinKubernetesMySQLPythonReactReact NativeSwiftTypescriptVue
Cloud • Fintech • Food • Information Technology • Software • Hospitality
Develop and deliver production-ready web experiences for marketing using React, Gatsby, and Tailwind. Build API integrations, maintain a lightweight codebase and design-system components, ensure accessibility, performance, SEO, and multi-region support, participate in code reviews, and help shape tooling and best practices across the team.
Top Skills:
Ai-Assisted WorkflowsCi/CdContentfulCSSGatsbyGitGraphQLHTMLJavaScriptNode.jsReactRest ApiServerlessTailwind Css
Artificial Intelligence • Machine Learning • Software • Defense
Owner of Vannevar's authentication and authorization platform: build tenant-isolated auth systems, self-service user/group/permission admin UI, tooling to visualize and validate access, feature-flag and platform management interfaces, and shared authorization capabilities across products.
Top Skills:
Api DesignDistributed SystemsJavaJwtsKeycloakNode.jsOauth 2.0OpenfgaOpenid Connect (Oidc)PostgresPythonRbac/AbacReactSAMLSession ManagementSsoTypescript
What you need to know about the NYC Tech Scene
As the undisputed financial capital of the world, New York City is an epicenter of startup funding activity. The city has a thriving fintech scene and is a major player in verticals ranging from AI to biotech, cybersecurity and digital media. It also has universities like NYU, Columbia and Cornell Tech attracting students and researchers from across the globe, providing the ecosystem with a constant influx of world-class talent. And its East Coast location and three international airports make it a perfect spot for European companies establishing a foothold in the United States.
Key Facts About NYC Tech
- Number of Tech Workers: 549,200; 6% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Capgemini, Bloomberg, IBM, Spotify
- Key Industries: Artificial intelligence, Fintech
- Funding Landscape: $25.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Greycroft, Thrive Capital, Union Square Ventures, FirstMark Capital, Tiger Global Management, Tribeca Venture Partners, Insight Partners, Two Sigma Ventures
- Research Centers and Universities: Columbia University, New York University, Fordham University, CUNY, AI Now Institute, Flatiron Institute, C.N. Yang Institute for Theoretical Physics, NASA Space Radiation Laboratory
