Senior Software Engineer - Backend

About CharterUP. CharterUP is transforming the $450+ billion group transportation and mobility market with an AI native platform that powers modern charter, shuttle, and emerging autonomous vehicle operations. Trusted by many Fortune 500 companies, CharterUP connects enterprises, institutions, and event organizers to thousands of bus operators nationwide, while increasingly serving as the operating system for large scale shuttle and transit programs across airports, campuses, industrial sites, and major events.

Through real time availability, transparent pricing, intelligent routing, and AI driven dispatch and optimization, CharterUP replaces a fragmented and opaque industry with automation, accountability, and scale.

Why Join Us

• Innovative Impact: Be part of the team that's revolutionizing group travel, setting new standards in an industry overdue for change.
• Growth Opportunities: As a hyper growth company and one of the fastest-growing companies recognized by Inc., there’s no better time to join our dynamic, growth-stage organization.
• Driven Team: Collaborate with some of the most driven minds in tech, all while working in a remote-first environment with a tech hub in Austin, TX.
• Funding and Stability: Our $60 million Series A funding was just the start—we’re poised for even greater expansion, and you can be part of this exciting journey. CharterUp has achieved this growth profitability and efficiently, ensuring long-term stability.

About the Role

CharterUP is seeking a Senior Software Engineer - Backend to join our Pricing team and build the backend systems that power pricing across our two-sided marketplace. You’ll design and evolve APIs and services that support dynamic pricing, auctions, and supply-demand balancing, working closely with Engineering, Product, and Data Science partners.

Our Pricing team is focused on maximizing marketplace revenue and customer trust by delivering competitive, intelligent pricing that balances margin, conversion, and long-term customer relationships. This is a highly collaborative and evolving space where engineers play an active role in shaping how pricing strategies translate into reliable, scalable systems.

Title: Senior Software Engineer - Backend

Reports to: Engineering Manager

Location: Austin, TX (Hybrid: Monday, Wednesday, Friday in-office).

What You’ll Do

• Design, build, and evolve scalable backend services and APIs that power CharterUP’s pricing systems
• Architect APIs and service integrations supporting dynamic pricing, auctions, supply-demand balancing, and downstream marketplace workflows
• Translate complex pricing strategies and business rules into reliable, maintainable systems while owning them end to end
• Build backend systems that enable pricing experimentation, partnering with Product and Data Science to test new strategies and bring insights into production
• Design for reliability, scalability, and performance across pricing and connected marketplace services, including matching, availability, and transactions
• Contribute to technical direction and system architecture as pricing strategies evolve, using modern development practices and AI-assisted tools

What You’ll Bring

• 5+ years of experience as a backend software engineer, with strong experience in JVM-based languages, particularly Java, and building scalable backend services and APIs
• Experience in marketplace, pricing, auction, matching, or other complex decisioning systems is a strong plus
• Strong understanding of API design, distributed systems, service architecture, and cloud infrastructure, preferably AWS
• Ability to translate complex business logic into scalable, reliable technical solutions and navigate ambiguity with strong ownership
• Experience partnering with Product and Data Science teams on experimentation and incorporating data-driven inputs into production systems
• Familiarity with modern software development practices, including AI-assisted development tools

Recruiting Process

• Step 1 - Video call: Talent Acquisition interview
• Step 2 - Video call: Live Coding interview
• Step 3 - Video call: Team interviews (x2)
• Step 4 - Offer & reference check
• Welcome aboard!

Global Benefits & Perks at CharterUP

We believe great people can live anywhere—and they deserve great benefits, too. While offerings may vary slightly by location, we prioritize hiring near our hubs in Austin, Atlanta, Miami, and Denver as we grow our global team.

• Flexible Work Model: CharterUP operates as a remote-first company, with select roles requiring regular, in-office presence based on team and business needs. Role-specific expectations will be shared during the hiring process. U.S.-based employees may reside in any of our 19 approved states.
• Comprehensive Health & Wellness: Medical, dental, and vision insurance, mental health support, virtual care, gym discounts, and family-building benefits. In the U.S., we cover 100% of premiums for employees. International benefits align with local standards.
• Time Off to Recharge: Paid time off so you can truly unplug. U.S.: 15 PTO days (increasing to 20 after 2 years) + 8 paid holidays. International policies vary by country.
• Financial Peace of Mind: Company-paid life, short-term, and long-term disability insurance where available.
• Performance-Driven Culture: Join a fast-moving, ambitious, and collaborative team that wins together.
• Referral Rewards: Earn bonuses for bringing top talent to the team.
• Planning for the Future: Long-term financial planning support. U.S.: 401(k) plan. International: region-specific savings programs where applicable.
• Top-Tier Tech: Choose a Mac or PC, plus monitor, keyboard, and mouse to hit the ground running.

CharterUP is an Equal Opportunity Employer. We are committed to creating an inclusive, accessible, and respectful workplace. We consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity or expression, age, national origin, ancestry, disability, medical condition, marital status, veteran status, or any other protected characteristic in accordance with applicable federal, state, and local laws in the United States and Canada. If you require accommodation during the recruitment process, please let us know. CharterUP is committed to providing reasonable accommodations during the hiring process. If you need assistance or an accommodation, please contact your recruiter.

Hiring Locations: CharterUP U.S.-based candidates and employees must reside in one of the following states: Arizona, Colorado, Florida, Georgia, Hawaii, Mississippi, Missouri, North Carolina, New Hampshire, Nevada, New York, Oklahoma, South Dakota, Tennessee, Texas, Utah, Washington, and Wyoming.

We hire in the U.S. and Canada and are actively expanding our global footprint.