At Oversee, we are reimagining how corporate travel is managed. Our advanced technology and machine learning eliminate outdated, manual processes that hold companies back - driving cost savings , improving efficiency, and enabling smarter decision-making. We combine travel analytics with actionable insights, giving global enterprises the tools to gain visibility into their travel spend while continuously optimizing their programs. We are the global leader for air and hotel reshopping solutions and also provide “AgentSee”, an AI-powered productivity tool designed to help Travel Management Companies (TMCs) work smarter and faster. AgentSee automates manual tasks like processing traveler emails, booking flights, and managing travel arrangements; enabling TMCs to reduce costs and improve service quality. If you are looking for a dynamic, fast-paced, and positive environment and want to help solve a $17B global problem - Oversee is the place to build, grow, and make an impact. We’re growing fast, with exponential YoY revenue growth and partnerships with some of the world’s largest Fortune 500 companies. Why join us? As a Senior Full-Stack Software Engineer, you’ll be at the core of this mission — designing scalable systems, solving tough technical challenges, and making a meaningful impact on how companies manage billions in travel spend. Come shape the future of business travel with us! What you’ll do: Design, build, and maintain high-performance backend services, data pipelines, and distributed infrastructure; Develop front-end features in TypeScript/React to bring complex ideas to life; Implement complex business logic and intelligent filtering algorithms that power our platform; Optimize fare tracking solutions to help clients save millions annually; Contribute to architectural decisions for distributed, high-scale applications; Integrate with third-party APIs (REST/SOAP) and ensure smooth interoperability; Collaborate closely with product and business teams to deliver features that drive real impact. About you: 5+ years of experience in software engineering, with a track record of building production systems Strong background in designing scalable, distributed applications Hands-on experience with Python/Django and Java/Kotlin*(JVM stack) Familiarity with TypeScript/React Solid understanding of Linux runtime environments Skilled at identifying and solving performance bottlenecks Excellent collaboration skills with the ability to give and receive constructive feedback Fluent in English, with strong written and verbal communication Proactive, curious, and eager to keep learning Bonus points if you have: Experience with the travel industry (especially GDS APIs like Sabre, Amadeus, or Travelport) Hands-on with Kubernetes, AWS, Terraform, and CI/CD practices Contributions to open-source projects or notable side projects Familiarity with agile methodologies and collaborative product development Our technology stack: Backend: Python, Django, Kotlin Frontend: TypeScript, React Infrastructure: Kubernetes, AWS, Terraform Data: High-scale pipelines & distributed systems We are proud to be an equal opportunity workplace. We provide employment opportunities without regard to race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, or veteran status.