Senior Fullstack Software Engineer Taekus is a profitable fintech and travel startup building a next-generation premium banking and rewards ecosystem for affluent customers. With $70M in annual revenue and $3B+ in annual transaction volume, we’re entering a new stage of growth focused on scaling our core banking systems, rewards infrastructure, and partner integrations.We’re seeking a Senior Full-Stack Software Engineer to help design, build, and scale the core financial and loyalty platforms that power our products. This is a full-stack role with a back-end focus, focused on developing reliable, high-performance services, while occasionally contributing to full-stack features in close collaboration with frontend and mobile engineers.Join us as we tackle a $3.2T opportunity to redefine the super-premium financial services and rewards market—driving innovation beyond what’s existed since the inception of rewards credit cardsInterview ProcessCandidates must be able to travel to San Francisco, New York, Chicago, or Austin for an onsite interview. All required travel will be paid for by Taekus.Your ResponsibilitiesDesign, build, and maintain scalable backend services and APIs that support high-volume financial transactions and rewards workflows.Own full feature delivery across core systems including payments, rewards, account services, and partner integrations.Contribute to system architecture and technical design as the platform evolves and scales.Collaborate with frontend and mobile engineers to support end-to-end feature development when fullstack work is required.Improve reliability, performance, and observability across backend systems through testing, monitoring, and code quality practices.Participate in sprint planning, technical reviews, and production support for mission-critical services.What You Bring to the Table6+ years of professional software engineering experience, with a strong backend focus.Production experience building backend systems in Python, ideally using Django.Experience designing APIs, data models, and services using PostgreSQL and AWS.Working knowledge of frontend technologies such as TypeScript and React, with the ability to contribute when needed.Comfort working in distributed systems and high-availability production environments.Strong ownership mindset with the ability to take backend projects from concept through production.Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.You’d Love This Job IfYou enjoy contributing across the code base where needed.You want to be in a scaling startup that is experiencing exponential growth.You’re excited by building foundational work and enjoy making an impact.Traveling is in your DNA and you get to apply your passion into your work.You thrive in growing high-caliber teams and want to influence both technical and strategic direction.