Senior Golang Backend Developer

About DEUNA DEUNA is a rapidly growing startup revolutionizing global commerce with ATHIA, our AI‑powered orchestration and payments platform that helps large enterprises boost approval rates, reduce costs, and unlock new revenue. Built by the team behind DEUNA—the fastest‑growing Commerce OS in Latin America—ATHIA combines payment intelligence, checkout optimization, and data orchestration in one powerful solution. With deep integrations across 300+ PSPs and alternative payment methods, and over 20% of Mexico’s digital economy running through our platform, we simplify global payments through a single integration and centralized reconciliation. We are a rapidly growing startup expanding into the U.S. to meet the urgent needs of large retailers, marketplaces, airlines, and QSRs. Join us to shape the future of payments Visit to learn more about us We are a dynamic tech team committed to creating, developing, and implementing microservices improvements tailored to meet the needs of our clients. As a Senior Backend Developer, you will play a key role in shaping the future of our software solutions. If you’re passionate about backend development, enjoy working collaboratively, and are excited about building scalable, maintainable, and secure applications, we want to hear from you Responsibilities Software Development: Create, test, and maintain applications and services using Golang. Code Optimization: Improve the performance of existing software by refactoring code as needed. Software Architecture: Design the architecture for new applications or services, ensuring scalability, maintainability, and security. API Integration: Connect different services and components through RESTful APIs, gRPC, or other protocols. Automated Testing: Write and maintain unit and integration tests to ensure software quality. Documentation: Keep code, architecture, and system feature documentation up‑to‑date. Code Reviews: Participate in code reviews to maintain a high level of quality and share knowledge with the team. Interdisciplinary Collaboration: Work collaboratively with other developers, designers, and business team members to achieve project goals. Security: Implement security best practices to safeguard information and system resources. Qualifications Preferred bachelor's degree in Computer Science, Engineering, or a related field. Proven 5+ years of experience as a Backend Developer with expertise in Golang. Strong understanding of software architecture principles. Experience with RESTful APIs, gRPC, and other integration protocols. Proficient in writing automated tests. Excellent collaboration and communication skills. Familiarity with code review processes. Knowledge of security best practices in software development. What will you find when you join DEUNA? A multicultural team distributed throughout LATAM Dynamism, agility and constant innovation Being part of a high‑impact solution for an entire region The best tools and technology to operate Being part of the startup culture We are in full expansion Benefits Vacations and additional PTO Remote work from anywhere Economic support for health insurance, internet and cell phone line We all own DEUNA, we offer stock options Learning and development platform Multidisciplinary, diverse and dynamic team Growth and career path Be part of a dynamic team that's creating the next generation payments platform. Join us at DEUNA #J-18808-Ljbffr