Senior Payments Backend Engineer | Java/Spring | Madrid

PLAYTOMIC; Madrid; On-site; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Health insurance

Restaurant tickets

Gympass discounts

Training budget

Birthday day off

Wellness days

Job summary

Playtomic is seeking a Senior Backend Engineer for the Payments team to build robust, scalable payment solutions for our product. You will develop APIs, integrate with gateways, and work with cross-functional teams to ensure secure, high-performance transactions.

You will design APIs, optimize databases (MongoDB, MySQL), and contribute to architecture while maintaining code quality and security standards in a fast-paced, globally distributed environment.

Qualifications

• Experience with payment gateway integrations and secure transaction processing
• Proven experience as a Backend Engineer with API design and integration work
• Excellent English communication and ability to work with cross-functional teams
• Degree in Computer Science, Engineering or a related field

Responsibilities

• Develop and maintain APIs and services for Payments, ensuring robust integration with front-end and third-party gateways
• Collaborate with product managers, designers, and frontend/mobile engineers to craft scalable payment solutions
• Ensure high performance, secure transactions and adherence to industry standards
• Maintain code quality through reviews, profiling, and best practices

Skills

Backend engineering

Java

Spring Boot 3

APIs

MongoDB

MySQL (Aurora)

Kubernetes

Software architecture

Education

Degree in Computer Science or related field

Tools

Docker

Kubernetes

CI/CD

Git

Job description

Playtomic is seeking a Senior Backend Engineer for the Payments team to build robust, scalable payment solutions for our product. You will develop APIs, integrate with gateways, and work with cross-functional teams to ensure secure, high-performance transactions.

You will design APIs, optimize databases (MongoDB, MySQL), and contribute to architecture while maintaining code quality and security standards in a fast-paced, globally distributed environment.