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# Backend Developer

- **Company:** Multisafepay Bv
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Multitier Architecture, Computer Programming, Data Security, Elasticsearch, Payment Systems, Perl (Programming Language), PostgreSQL, Payment Service Provider, Transaction Processing (Computing), Backend, Front End Software Development, Code Restructuring, Microservices
- **Published:** August 5, 2026
- **Apply:** https://www.buscojobs.com.es/backend-developer-en-madrid-ID-365468824

## About the Role

2+ years of experience in software development
Proficiency in Perl or Java
Experience with PostgreSQL and Elasticsearch
A clean architecture mindset with a focus on building maintainable, scalable systems
Experience with Domain?Driven Design and Test?Driven Development principles
Strong soft skills including communication, collaboration, and problem?solving abilities
Fluency in English

## Description

MultiSafepay is a leading payment service provider, offering omnichannel and advanced payment solutions to businesses across Europe.We are innovative and fast?growing, building powerful solutions that transform the way our clients do business.We focus on delivering real solutions to their challenges and always stay ahead of the curve.In short, we are a true FinTech.We're on a mission to make payments simple, secure, and accessible for every business.With powerful in?house technology and deep expertise, our modular platform brings online, in?person, and cross?border payments together in one place - giving merchants the flexibility to scale on their own terms.Through a partnership?first approach, we tackle complexity head?on, keep payments running smoothly, and boost success rates.It's how we level the playing field for businesses of all sizes and ambitions.About the roleOur Technology team is organized into multiple specialized departments including Backend, Frontend, Plugins, Verticals, and DBA & Reporting.The Backend team operates within a microservice architecture, working with sensitive financial data and delivering production?grade code that meets strict quality and security requirements.We are looking for a Backend Developer to join this team.In this role, you will design and develop new software features while continuously maintaining, improving, and refactoring legacy code to ensure long?term stability and performance.You will work on payment method integrations including platforms such as PayPal and Klarna, credit card processing, and bank transfer solutions, implementing secure data handling practices and robust encryption standards to ensure seamless, secure, and scalable transaction processing.What you'll be doingDesigning and developing new software features within a microservice architecture, delivering highly reliable production?grade codeMaintaining and resolving production issues to ensure system stability and uptimeRefactoring legacy code to improve performance, maintainability, and long?term stabilityContributing to both new and existing payment method integrations including platforms such as PayPal and Klarna, as well as credit card processing and bank transfer solutionsImplementing secure data handling practices and robust encryption standards when working with sensitive financial dataWhat you'll need2+ years of experience in software developmentProficiency in Perl or JavaExperience with PostgreSQL and ElasticsearchA clean architecture mindset with a focus on building maintainable, scalable systemsExperience with Domain?Driven Design and Test?Driven Development principlesStrong soft skills including communication, collaboration, and problem?solving abilitiesFluency in EnglishWhat you'll get from usA competitive salary and benefits packageOpportunities for professional growthA diverse role within a dedicated international team of enthusiastic colleaguesOffice with an amazing view of the beachHealth insuranceFree Spanish classes and optional afterwork sports activities#J-*****-Ljbffr


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