About Yuno
Yuno is a payments orchestration platform headquartered in Bogotá, Colombia, building infrastructure that enables enterprises to participate seamlessly in the global economy.
Today, Yuno powers payment integration for 1000+ payment methods through a single API, operating across 80+ countries. Clients include globally recognized brands: inDrive, McDonald's, Rappi, Viva Aerobus, and Avianca.
AI and advanced engineering drive Yuno's next growth phase. This hiring initiative is core to that strategy.
About EXT India & Your Employment Structure
EXT India is a shared brand entity between Mitt Arv Technologies Pvt Ltd and Travel & Payments Consulting Services Pte Ltd, serving as the Employer of Record (EoR) and India operations partner for international technology companies building teams in India.
EXT India's leadership team includes professionals with prior experience at Visa, Microsoft, Uber, JPMorgan Chase, Expedia, and NTT Data.
If selected, you'll be employed through Mitt Arv Technologies Pvt Ltd while working exclusively on Yuno projects.
The Role
We are looking for a Backend Developer to join the Checkout Team, one of the most critical squads at Yuno, responsible for the core transaction processing engine that powers our checkout flows at scale. You will design and build the systems that handle millions of payment transactions globally, working with a world-class team of engineers in a fast-paced, high-impact environment.
Your Challenge at Yuno
- Design, build, and evolve high-performance backend services and APIs in Kotlin and Spring Boot, engineered for reliability, low latency, and massive scale.
- Own the full lifecycle of features, from technical design and implementation to monitoring and ensuring correct operation in production.
- Develop and maintain checkout payment flows, including authorization, capture, refunds, reversals, and partial payments across multiple payment providers and regions.
- Architect and implement resilient microservices using event-driven patterns (Kafka, queues) to handle asynchronous payment processing with zero data loss.
- Strengthen and expand the integration framework that connects Yuno to PSPs, acquirers, and payment gateways across countries and complex payment rails.
- Apply OWASP principles and engineering best practices to ensure excellence in security, privacy, and PCI-DSS compliance.
- Collaborate with Product, Compliance, and Business teams to translate real payment problems into elegant, scalable technical solutions.
- Participate actively in code reviews, architecture decisions, and technical discussions that shape the direction of the platform.
- Contribute to a culture of technical excellence, writing clean, well-tested, production-ready code with a strong focus on quality.
Skills You Need
Minimum Qualifications
- 4+ years of professional backend development experience.
- Kotlin Strong proficiency in Spring Boot Deep expertise with payment processing concepts
- Solid understanding of microservices architectures Experience building and operating
- Proficiency with relational databases (PostgreSQL or similar) and data modeling for financial systems.
- Experience with containerization and cloud infrastructure (Docker, Kubernetes, AWS or GCP).
- Strong command of unit, integration, and contract testing practices.
- Fluent written and verbal communication in English.
Nice to Have
- Experience in a fintech, neobank, or payment orchestration environment.
- Familiarity with PCI-DSS, PSD2, or 3DS authentication frameworks.
- Hands-on experience with Kafka or other event streaming platforms.
- Knowledge of network tokenization, smart routing, or payment optimization strategies.
- Experience with observability tooling (Datadog, OpenTelemetry, distributed tracing).
- Prior work at a high-growth startup operating across multiple markets.
If you are willing to proceed, please fill up this form - https://forms.gle/YC72sjkKNpf8sm5F9
