Senior Software Engineer

Summary

Join RecargaPay, a fast-growing, AI-first, 100% remote company revolutionizing payments in Brazil, impacting millions of users. As a Software Engineer, you will design, develop, and maintain scalable systems supporting our financial services, ensuring seamless operations and excellent user experience. You will contribute to all phases of the development lifecycle, investigate new technologies, and propose solutions for scaling and performance issues. The role requires strong technical skills in Java, Spring Boot, PostgreSQL, Kafka, and AWS, along with experience in asynchronous programming and AI frameworks. Success in this role demands collaboration with cross-functional teams and a proactive approach to problem-solving. RecargaPay offers a competitive salary, remote work options, and comprehensive benefits.

Requirements

• Academic background oriented toward computer science, engineering, or software development disciplines
• Experience hands-on engineering roles
• Experience to deal with medium domains with medium/high complexity
• A solid understanding of how web applications work including security, session management, and best development practices
• Knowledge of relational database systems and Object Oriented Programming
• Knowledge in Domain Driven Design
• Ability to work and thrive in a fast-paced environment, learn rapidly and master diverse web technologies and techniques
• Proven ability to design complex distributed applications built for high performance and throughput while being scalable and reliable
• Development using Java, Spring Boot, PostgreSQL, Kafka and AWS
• Experience with asynchronous programming
• Demonstrated experience profiling and performance tuning Java applications, and using monitoring tools for production application monitoring
• Practical experience applying AI frameworks in development project
• Strong communication and collaboration skills, with the ability to work closely with cross-functional teams including Chapters Engineering, Architecture, Infrastructure and Mobile Engineering
• Proactive mindset with a sense of ownership and accountability for delivering high-quality, user-centric mobile experiences
• Ability to mentor peers, share knowledge, and contribute to a culture of continuous improvement and technical excellence
• Flexibility and adaptability in a fast-changing environment, with openness to feedback and eagerness to learn
• Alignment with company values: ownership, excellence, adaptability, and innovation

Responsibilities

• Design, develop, and maintain robust and scalable systems that support the company's financial services, ensuring seamless operations and an excellent user experience
• Write well designed, testable, efficient code by using best software development practices
• Contribute in all phases of the development lifecycle
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
• Proposes initial technical implementation which supports architectural changes that solve scaling and performance problems
• Work with version control using GitHub, conflict resolution, and automation of continuous integration processes
• Create and maintain software documentation

Preferred Qualifications

• Knowing Microservice Architecture
• Practical familiarity with one or more core financial domains such as lending, payments, credit cards, open finance, fraud prevention, merchant acquiring, or investment services, along with an understanding of their fundamental workflows and business drivers
• Experience in how these domains intersect to influence revenue, risk management, and customer satisfaction
• Ideally, candidates will have applied this knowledge to deliver solutions such as loan-origination engines with real-time decisioning; scalable payment-processing platforms integrated with core banking systems and third-party gateways; secure open-finance interfaces compliant with industry regulations; automated fraud-detection pipelines leveraging behavioral analytics; or financial reporting and reconciliation engines for regulatory compliance
• The ability to translate complex compliance mandates (e.g., KYC/AML, PCI-DSS, GDPR) into resilient, high-performance systems without compromising user experience

Benefits

• Competitive and market-aligned salary
• Remote work — wherever you are, you’re part of the team!
• Home office allowance through a monthly deposit in the RecargaPay app
• Health and dental plans with no co-pay
• Life insurance
• Flexible meal allowance (via Flash)
• TotalPass membership to take care of your health
• Spanish or Portuguese classes