Sr. Software Engineer - (Blockchain & Digital Assets)

We are looking for an experienced Senior Software Engineer with strong backend engineering expertise and hands-on experience in Custody, Digital Assets, Tokenization, Blockchain technologies, and modern software engineering practices. The ideal candidate will have extensive experience building secure, scalable, and high-performance enterprise applications, with strong proficiency in Node.js and/or Java Spring Boot, along with exposure to Blockchain platforms, Digital Asset ecosystems, and Large Language Models (LLM). The role requires a strong engineering mindset, experience working in Banking, Financial Services, or FinTech environments, and the ability to contribute to architecture, design, development, and delivery of complex enterprise-grade solutions. Requirements Key Responsibilities • Design, develop, and maintain scalable backend applications using Node.js and/or Java Spring Boot • Build and enhance solutions related to Custody platforms, Digital Assets, Tokenization, and Blockchain-based systems • Develop secure and reliable services following enterprise software engineering standards • Collaborate with architects, product teams, engineers, and business stakeholders to deliver high-quality solutions • Ensure technical quality across application architecture, design, coding practices, security, testing, and documentation • Participate in system design discussions and contribute towards technology decisions • Research, evaluate, and benchmark emerging technologies against industry best practices • Implement clean, maintainable, and well-documented code following engineering standards • Develop and maintain unit tests to ensure application reliability and performance • Work within Agile delivery methodologies and contribute effectively to Scrum ceremonies • Troubleshoot complex technical issues and provide effective solutions • Support continuous improvement initiatives across software engineering practices Required Technical Skills & Experience Backend Development • Strong hands-on experience with Node.js backend development • Experience with Java Spring Boot application development • Strong understanding of backend architecture, APIs, microservices, and enterprise application development • Experience designing and developing scalable, secure, and high-performing systems Blockchain & Digital Assets • Hands-on experience working on projects involving: • Custody platforms • Digital Assets • Tokenization • Blockchain technologies • Understanding of blockchain concepts, architecture, and integration patterns • Experience building or integrating solutions within digital asset ecosystems is highly preferred Artificial Intelligence • Experience or exposure working with Large Language Models (LLM) and AI-enabled applications • Understanding of modern AI integration patterns within enterprise applications is preferred Functional Skills & Domain Experience • 7+ years of experience for Software Engineer/Senior Software Engineer level • 12+ years of experience for Senior/Lead Software Engineer level • Strong experience in Banking, Financial Services, or FinTech enterprise environments • Experience delivering complex enterprise-grade software solutions • Strong understanding of: • Secure coding practices • Software development lifecycle • Unit testing standards • Technical documentation practices • Application architecture and design principles • Experience working in Agile methodology environments • Ability to research, evaluate, and adopt best-in-class technologies Preferred Qualifications • Experience working on payment platforms, financial technology products, or digital banking solutions • Experience in highly regulated financial environments • Strong problem-solving and analytical skills • Excellent collaboration and communication skills • Ability to work independently and as part of a cross-functional engineering team Show more Show less