The Senior Java Backend Engineer will play a pivotal role in driving the next phase of growth for a fast-growing payment orchestration company with over 6 years of successful transaction processing. This position is key to expanding the company’s footprint in the USA and European markets by optimizing backend development strategies and contributing to technical innovation. The ideal candidate will be a strategic thinker, a data-driven developer, and an expert in Java Backend technologies within the payments sector.
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.
You’re our perfect candidate if you:
- Contribute to the design, architecture, and development of our products and services.
- Produce highly scalable, high-quality software in a fast-paced environment.
- Find innovative solutions to challenging problems.
- Improve performance, scalability, and availability of our internal systems.
- Create tools and processes to increase the productivity of all your coworkers.
- Diagnose and debug issues in a production environment.
- Over 8 years of professional programming experience, with at least 5 years of recent, hands-on work in Java.
- 5+ years of domain expertise in fintech, banking, or financial services, with a deep understanding of industry-specific requirements, compliance, and high-availability systems.
- 5+ years of expertise designing and implementing SOA Architectures and/or Microservices, with a proven track record of delivering scalable and reliable systems.
- Deep understanding and practical application of Object-Oriented Programming (OOP) principles, including SOLID design, Clean Architecture, and advanced software design patterns.
- Expertise in Test-Driven Development (TDD) and behavior-driven testing methodologies, ensuring robust, maintainable code.
- Advanced proficiency in Web/API environments, including:
- HTTP protocols
- Designing and consuming RESTful services
- Creating efficient, secure, and high-performance APIs
- Demonstrated ability to perform and excel under pressure, consistently meeting deadlines while driving high standards of work.
- Strong aptitude for self-directed learning, staying current with emerging technologies, and adopting modern engineering practices.
- Exceptional analytical and problem-solving skills, with the ability to navigate complex technical challenges effectively.
Extra awesomeness scores points!
- Hands-on experience with NoSQL Databases, such as Redis, DynamoDB, or similar.
- Proficiency in additional programming languages like PHP, Python, Ruby, or Go, demonstrating adaptability and versatility.
- Front-end development experience, including HTML, CSS, and JavaScript, enabling seamless collaboration between front-end and back-end systems.
- Advanced knowledge of Event-Driven Design, building reactive systems optimized for high scalability.
- Expertise in Domain-Driven Design (DDD) and Hexagonal Architecture, ensuring maintainable and modular codebases.
- Practical experience implementing Serverless Architectures, leveraging cloud-native services for optimal cost-efficiency and scalability.
- Proficiency with Amazon Web Services (AWS), including architecture design and deployment of cloud-based solutions.
- Thrives in agile team environments, demonstrating strong collaboration, iterative development, and delivery capabilities.
- Foundational knowledge or experience in Data Science, with the ability to leverage data-driven insights in application development and decision-making.
HIRING PROCESS
We aim to make your hiring journey smooth and transparent, with the following steps:
- Application review & Initial screening – Our team reviews applications and reaches out for an initial conversation if there’s a match.
- First interview with the Macropay Tech Lead and HR.
- Technical test.
- Offer – We’re excited to welcome you to the team!
Throughout this process, our team is here to answer any questions you may have.
Work-Life balance
- Benefit from a flexible schedule with flextime (7 - 9:30 a.m. start, 3:30 - 6 p.m. end -spanish time-) and the option of working full remote or from our Barcelona office. Enjoy free Friday afternoons with a 7-hour workday, plus a 35-hour workweek in July and August so you can savor summer!
Comprehensive benefits
- Competitive salary, full-time permanent contract, and top-tier private health insurance (including dental and psychological services).
- 25 days of vacation plus your birthday off, with flexible vacation options—no blackout days!
Unique Perks
- If you wish to come, in our office in Barcelona you’ll find it complete with free coffee, fresh fruit, snacks, a game room, and a rooftop terrace with stunning Mediterranean views.
- Additional benefits include ticket restaurant and nursery vouchers, paid directly from your gross salary.
Join 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 Employer
Macropay 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 [email protected] , including a document that validates your identity.
Top Skills
What We Do
At Leadtech, we work hard... and play harder! Our mission is to bring forward new business ideas and empower employees to achieve their goals in the online business world.
Since 2009, we have been fostering innovative and creative techniques across many industries, making us pioneers in online project management.
Leadtech is dedicated to constant improvement and inspiring new ideas daily for the world we live in and the future to come.
We think big... and work bigger, and that's why we do business internationally with over 600 passionate professionals who speak over 15 languages fluently. A global team of focused experts in a range of fields:
We analyze, we socialize, we write, we code, we design, we calculate, we decide, we collaborate, we generate, we engage, we program, we create… The real question is what don’t we do?!
With a truly modern approach to company culture, our values, diversity, flexibility and an active work-play balance are what make Leadtech unique.
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