Senior Software Engineer

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 (Full Stack, Frontend Focus) to architect, implement, and own a wide variety of customer-facing and back-office software systems powering our two-sided marketplace business. You’ll work closely with our engineering leaders, product managers, and engineering team to design and build systems that will scale with our rapidly growing business needs. You will lead a wide variety of technology initiatives across multiple disciplines, including REST API Services, Web Applications, Mobile Apps, Data Engineering, and DevOps. Title: Senior Software Engineer Reports to: Engineering Manager Location: This position is based in Austin, TX (Hybrid: Monday, Wednesday, Friday in-office). What You’ll Do Build high-quality software using JavaScript (Vue, React) on the frontend and Java on the backend, leveraging AI-assisted development tools to improve speed and quality. Deploy robust applications to AWS, ensuring scalability, reliability, and continuous improvement through intelligent monitoring and automation. Define and advocate for engineering best practices, tooling, and development processes, including thoughtful adoption of AI-driven approaches that enhance code quality and developer productivity. Mentor junior engineers, sharing best practices in both traditional and AI-enhanced development techniques, and foster a culture of learning and innovation. Collaborate cross-functionally to align technical implementation with evolving business needs and product vision, identifying opportunities where AI technologies can create value or efficiency. What You’ll Bring 4+ years of professional experience as a full stack software engineer, with hands-on leadership of end-to-end projects in fast-paced environments. Strong frontend development skills using modern frameworks like Vue, React, or Angular. Proven backend experience in JVM-based environments (Java, Kotlin, C#, etc.), delivering scalable and maintainable solutions for real-world customer needs. Solid understanding of cloud infrastructure, especially with AWS, and familiarity with AI-based development or deployment tools. Collaborative team player who thrives in cross-functional teams, embraces emerging AI capabilities, and takes full ownership of complex, high-impact deliverables. Recruiting Process Step 1 - Video call: Talent Acquisition interview Step 2 - Video call: Live Coding Interview Step 3 - Video call: Two Team Interviews Step 4 - Offer background check W ... (truncated, view full listing at source)