Senior Software Engineer

CharterUP • Austin, TX

43d • $140,000 - $155,000 • Hybrid

About The Position

CharterUP is seeking a Senior Software Engineer 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.

Requirements

• 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.

Responsibilities

• 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.

Benefits

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed