• Architect and maintain the network transport layer connecting software across operational environments • Integrate and troubleshoot data flows across tactical radio systems • Implement multi-bridge configurations for heterogeneous network segments • Act as the first line of defense for network-layer issues • Translate operational realities into actionable technical requirements for development teams

• Integrate software with military avionics data buses • Implement tactical datalink interfaces • Enable Cursor-on-Target data flows • Solve real-time problems and diagnose issues • Translate operational realities into technical requirements

• Work closely with colleagues to build right solutions • Make valuable code changes visible in production quickly • Write and review high quality, well-tested code • Identify areas for improvement in codebase and team workflow • Own solutions from development to production

Title: Senior Software Engineer - Pricing Location: Remote, US Job Description: 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 with experience in marketplace, dynamic pricing, and auction-based systems to design, build, and evolve the core systems that power our two-sided marketplace. You’ll work closely with engineering leadership, product managers, and cross-functional teams to develop pricing, matching, and transaction systems that drive efficiency, liquidity, and growth. In this role, you’ll contribute to systems that handle real-time pricing, supply-demand balancing, and competitive bidding dynamics leveraging modern development practices and AI-assisted tools to improve decisioning, performance, and developer velocity. Title: Senior Software Engineer Reports to: Engineering Manager Location: Austin, TX (Hybrid: Monday, Wednesday, Friday in-office). What You’ll Do - Design and build systems that power dynamic pricing, marketplace matching, and auction workflows, using modern and AI-assisted development practices - Develop high-quality full-stack applications (React, Vue) and backend services (Java), enabling scalable and reliable marketplace operations - Implement and optimize pricing logic, bidding mechanisms, and supply-demand balancing, incorporating data-driven and AI-informed approaches where appropriate - Ensure scalability, reliability, and performance of marketplace systems through robust architecture and AWS-based infrastructure - Collaborate cross-functionally with product, data, and business teams to refine pricing strategies and identify opportunities to enhance marketplace efficiency using AI What You’ll Bring - 4+ years of experience as a full-stack or backend-leaning software engineer in fast-paced environments - Experience building or working on marketplace, pricing, auction, or matching systems - Strong backend skills with JVM-based languages (Java, Kotlin, etc.) and experience with modern frontend frameworks (React, Vue, or Angular) - Solid understanding of distributed systems and cloud infrastructure (preferably AWS), with exposure to AI-assisted tools or data-driven systems - Ownership mindset with the ability to translate complex marketplace dynamics (pricing, liquidity, supply-demand) into scalable technical solutions, leveraging modern and AI-enhanced approaches where appropriate Compensation - Estimated base salary for this role is $140,000-$155,000 - Comprehensive benefits package, including fully subsidized medical coverage for the employee - 401(k) plan - Equity Salary $140,000 - $155,000 USD 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. - Remote-First Flexibility: Work from anywhere we hire, with built-in flexibility. 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. I