We are looking for a Node.Js Developer to join our team and help build and maintain scalable backend services. You will be responsible for designing, developing, and optimizing backend solutions using Node.Js, TypeScript, and frameworks like Express and NestJS. The ideal candidate has strong technical expertise in building REST APIs, managing asynchronous processes, and ensuring security and performance best practices. The ideal candidate will be a strategic thinker, a data-driven developer, and an expert in frontend technologies within the payments sector. We value professionals with strong Test-Driven Development (TDD) skills and the ability to mentor and collaborate effectively with other developers.Macropay is a fintech leader in payment orchestration, providing businesses with seamless access to global payment solutions for over four years. Specializing in revenue optimization, we offer card processing and alternative payment methods enhanced by smart routing, fraud prevention, and an intuitive dashboard. Backed by a team of payment and fraud experts, our all-in-one platform is designed to maximize revenue, reduce costs, and improve the payment experience—all through a single API integration.Responsibilities :
Develop and maintain backend services using Node.Js and TypeScriptDesign and implement RESTful APIs that are efficient, scalable, and maintainableWork with asynchronous programming paradigms and apply best practices to avoid pitfallsActively participate in the design and development of the payment system, addressing edge cases such as failures, retries, concurrency issues, and ensuring a consistent and seamless user experienceEnsure security compliance, authentication, and authorization between multiple systems and environmentsDesign database schemas that effectively support business processesCollaborate with frontend developers to integrate user-facing elements with backend logicRequirementsBring proven experience in the payments, banking, or FinTech industry, with a solid understanding of industry-specific challenges and requirementsHands-on experience with Node.Js frameworks such as Express and NestJSExperience building and consuming REST APIsKnowledge of asynchronous programming, event-driven architecture, and microservicesExperience with authentication & authorization mechanisms (JWT, OAuth, session management)Strong understanding of scalability principles for distributed applicationsExperience in database integration (SQL and NoSQL) and designing efficient schemasKnowledge of security best practices, including data protection, encryption, and complianceDemonstrate exceptional problem-solving skills, with a focus on scalability, performance, and securityHands-on experience with automated testing frameworks (Jest, Mocha, etc.)Familiarity with Git for version control and collaborative developmentNice to have) Experience with AWSFluent in both spoken and written EnglishSpanish is a plus!Competitive salary and comprehensive benefits packageOpportunity to shape HR strategy for a global, innovative fintech companyProfessional development opportunities and resourcesA collaborative, inclusive, and dynamic work cultureFull Remote WorkJoin us in an environment where you're free to innovate, learn, and grow alongside passionate professionals. At Macropay, you'll tackle exciting challenges and be part of a vibrant team dedicated to delivering exceptional user experiences.Equal Employment Opportunity EmployerMacropay is an Equal Employment Opportunity (EEO) Employer, which means we encourage applications from people with different backgrounds, interests, and personal circumstances. Our team welcomes applicants regardless of their race, gender, age, religion, nationality, sexual orientation, and / or disabilities. All we need is your high energy, skills, and willingness to be part of a great project!The personal data you provide will be used to manage and process your candidacy for the corporate selection processes that fit your profile. If you wish you can exercise your rights of access, rectification or cancellation by sending a letter to Carrer de la Diputació 211, bajos, 08011, Barcelona (Spain), or emailing us at, including a document that validates your identity. Seniority levelSeniority level Mid-Senior levelEmployment typeEmployment type Full-timeJob functionJob function Engineering and Information TechnologyIndustries IT Services and IT ConsultingReferrals increase your chances of interviewing at Leadtech Group by 2xSign in to set job alerts for “Engineer” roles. Aeronautic SCQM or Manufacturing engineer Clever Construction Engineers and Project Managers - Planning, EU (Hybrid / Remote)Madrid, Community of Madrid, Spain 1 week agoMadrid, Community of Madrid, Spain 1 week agoMadrid, Community of Madrid, Spain 3 months agoQA Manual Engineer - (Remote - Anywhere)Madrid, Community of Madrid, Spain 4 weeks agoTechnical Documentation Engineer (100% remote - Spain)We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.J-18808-Ljbffr
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