Software Engineer

Papaya Global; España; A distancia; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A rapidly growing tech company in Spain is seeking a Software Engineer to design and implement backend solutions for payment processing. The ideal candidate should have 5+ years of experience in Java, with skills in Microservices architecture and a collaborative spirit to work in a hybrid environment. This role offers exposure to cutting-edge technologies and the chance to impact global transactions.

Formación

• 5+ years of hands-on experience in Java.
• Experience with Microservices architecture.
• Familiarity with AWS Cloud and Kubernetes is an advantage.

Responsabilidades

• Design and implement backend solutions for payment processing.
• Define architecture and enhance payment products' capabilities.
• Ensure high-quality code with automated testing.

Conocimientos

Java

Microservices architecture

SQL

NoSQL database systems

AWS Cloud

Kubernetes

Queuing technologies (Kafka, RabbitMQ)

Developer testing (unit, component, integration, e2e tests)

FinTech experience

AI technologies and LLMs

Descripción del empleo

Papaya Global is a rapidly growing, award-winning B2B tech unicorn with an ambitious mission to revolutionize the payroll & payments industry. With over $400M raised from multiple tier‑one investors, our innovative technology provides a comprehensive solution for managing global workforces, encompassing everything from hiring and onboarding to managing and paying employees in over 160 countries.

We’re looking for a passionate Software Engineer to join our growing Payments OS Team. You’ll have the opportunity to work with the most professional people on building new payment solutions for Papaya Global’s rapidly growing business, from design and development to testing and production.

We use the latest technologies and architecture, with Java, hosted on AWS Cloud and orchestrated with Kubernetes for both development and production.

The Team

Papaya Global is reshaping global payroll and payments with its advanced cloud‑based platform. At the heart of this transformation is our Payments OS Team, driving the development of secure, scalable, and high‑performance solutions that streamline global transactions for businesses in over 160 countries, ensuring compliance, transparency, and on‑time delivery.

As part of the team, you will work closely with Payment Architects, Product Managers, and Infrastructure Leads to design and implement robust backend services, intuitive front‑end applications, and complex integrations that elevate our platform’s capabilities. You’ll be instrumental in shaping the future of global payment processing and enhancing our clients’ experiences.

Software Engineer

You Will

• Design and implement backend solutions for payment processing, ensuring reliability, scalability, and security in global transactions.
• Take an active role in defining architecture and enhancing the capabilities of our payment products.
• Ensure high‑quality code, including automated testing, design reviews, and code reviews.
• Stay up‑to‑date on the latest technologies and design patterns in development and testing.
• Work in a collaborative environment with architects, product managers, and fellow developers to deliver robust solutions.

Requirements

• 5+ years of hands‑on experience in Java (must)
• Experience with Microservices architecture
• Experience with SQL and NoSQL database systems (MySQL, Aurora, MongoDB, Redis, etc.)
• Familiarity with AWS Cloud and Kubernetes (advantage)
• Experience with Queuing technologies like Kafka and RabbitMQ (advantage)
• Strong understanding of developer testing (unit, component, integration, and e2e tests)
• Experience in Financial industries - FinTech (strong advantage)
• Independent, responsible, and communicative, thriving in a hybrid work mode
• A team player with a strong sense of ownership and a can‑do attitude
• Experience using or developing products based on AI technologies and LLMs – an advantage