Senior Java Developer

Summary

Join Career Renew's client as a Senior Java Developer specializing in crypto and cross-border payments. This fully remote role, open to US and European candidates with EST timezone overlap, focuses on building and enhancing middleware infrastructure for seamless interaction between legacy financial systems and modern digital payment solutions. You will design and develop robust Java-based applications, collaborate with product and compliance teams, and ensure solutions meet regulatory requirements. The ideal candidate possesses 5-8 years of Java development experience, expertise in cross-border payment systems, and familiarity with blockchain technologies. This critical role contributes to developing scalable, compliant, and efficient solutions for institutions operating in the digital asset landscape.

Requirements

• 5-8 years of professional experience in Java development with strong knowledge of object-oriented programming and design patterns
• Experience with Java frameworks such as Micronaut, GraalVm, and microservices architectures
• Proven experience working on cross-border payment systems, including familiarity with APIs, messaging protocols (e.g., SWIFT, SEPA), or other payment infrastructure

Responsibilities

• Design and develop robust Java-based applications to support cross-border payment workflows, including API integrations and messaging systems
• Build and enhance our middleware infrastructure for seamless interaction between legacy financial systems and modern digital payment solutions
• Develop solutions for multi-currency transactions, FX conversion, and compliance with international payment standards (e.g., SWIFT, SEPA, ACH, Fedwire)
• Collaborate with product and compliance teams to ensure solutions meet regulatory requirements and global payment standards
• Design and maintain APIs to normalize and standardize data formats for smooth interaction with liquidity providers, payments service providers, stablecoin issuers, blockchains, and banks
• Work on automating settlement flows, reconciliation processes, and data reporting to streamline operational efficiency in cross-border payments
• Ensure high system reliability, security, and scalability to handle large volumes of international transactions
• Collaborate on architectural decisions to enhance Checker’s cross-border payments platform while maintaining compliance and operational flexibility
• Mentor team members, contribute to code reviews, and champion best practices in payment system development

Preferred Qualifications

• Knowledge of blockchain technologies, token standards (e.g., ERC-20, SPL-tokens), and smart contracts
• Proficiency in languages other than English, preferably Spanish, French, or Mandarin Chinese

Benefits

• Cutting-Edge Projects: Work at the forefront of digital asset innovation, solving complex challenges in cross-border payments and digital finance
• Growth Opportunities: Gain exposure to advanced trading systems, blockchain integrations, and fintech innovations
• Collaborative Environment: Join a team that values innovation, learning, and teamwork
• Competitive Compensation: Receive a competitive salary, benefits, and opportunities for professional development