Backend engineer in payments

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

Описание

We are world’s largest racket sports App for players and clubs. Our goal is to socialize sports practice: through the app, players can book courts, find other players with similar skill levels, and join a social community dedicated to playing. As a Senior Backend Engineer in the Payments team at Playtomic, you will be responsible for developing robust and scalable payments solutions for our product, ensuring high performance, consistent and secure transactions.

Задачи

Develop and maintain APIs and their services, enabling seamless communication between the frontend and backend, and facilitating third-party integrations to enhance the overall functionality of the payments services. Work closely with cross-functional teams, including product managers, product designers and frontend/mobile engineers, to devise innovative solutions. Collaborate with third-party payment gateways to integrate and optimize secure payment processing, ensuring compliance with industry standards and regulations. Ensure high performance and responsiveness to requests from the frontend Maintain a high code quality by continuously optimizing and improving our backend through code reviews, profiling, and implementing best practices and company's standards.

Требования

Experience with payment gateway integrations and secure transaction processing is a must. Proven experience as a Backend Engineer. Familiarity with the whole web stack, including protocols, system architecture, database design, and web server optimization techniques. In particular, experience with Spring Boot 3, Java 17, MongoDB, MySQL (aurora), Kubernetes is preferred. Extensive experience in designing, developing, and maintaining APIs. Strong communication skills to convey complex technical concepts to non-technical stakeholders. Strong analytical and problem-solving skills with a proactive approach to identifying and addressing technical challenges. Ability to adapt to a fast-paced and dynamic work environment, with a focus on delivering high-quality solutions within specified timelines. Located in Madrid or able to travel to Madrid when needed Excellent spoken and written English is a must Degree in Computer Science, Engineering, or related field Будет плюсом: Proven track record in designing and implementing payment systems or financial platforms; Experience working with remote and partially remote and multicultural teams; Experience working in start-ups and scale-ups

Условия

Social benefits (63 € a month in one of these: health insurance/tickets restaurant), flexible salary in training and kindergarten. Gympass discounts in several plans that include gyms, personal classes, access to free apps of wellbeing, nutrition etc. Annual budget for training Opportunity to work in a top international team 23 days of vacation + day off on your birthday + 2 days off for Wellness days in August. 1 additional day off per year worked.