Backend Engineer / (Core Banking & Product Features)

Location: Hybrid

Company

hirify.global is a fintech company providing cashless payment and financial platform services to more than 75 million users.

What you will do

• Develop and operate backend applications in Java and Kotlin for a full-scratch core banking system.
• Design and develop highly reliable financial platform services with a focus on performance and stability.
• Design application architecture based on requirements and select appropriate middleware and infrastructure components.
• Implement infrastructure solutions to address system challenges and support scalable web applications.
• Perform microservices performance tuning, monitoring configuration, and alert response.
• Contribute to banking system renewal projects, including account opening, mini-app integration, cardless ATM, and loan service improvements.

Requirements

• 3–5 years of backend development experience.
• Practical Java experience and strong skills in other common programming languages.
• Understanding of data structures, algorithms, and object-oriented programming fundamentals.
• Experience with database schema design, efficient queries, web application development, tuning, and security-conscious development.
• Business-level conversational English proficiency.
• Professional experience using AI/LLM tools such as ChatGPT, GitHub Copilot, Gemini, or CodeWhisperer in software development.

Nice to have

• Financial industry development experience.
• Experience implementing RESTful APIs, Pub/Sub systems, or database clients.
• AWS, microservices, and large-scale or high-transaction application development experience.
• Experience integrating AI-assisted development into system design and delivery.
• Business-level Japanese, native-level proficiency, or JLPT N1/N2 equivalent.

Culture & Benefits

• Opportunity to work in a diverse organization with members from more than 50 countries.
• Work on a new organization and help establish development rules and the engineering environment.
• Gain experience across the full system lifecycle, from design through introduction.
• Collaborate with multiple departments, affiliated companies, and senior management on financial platform initiatives.
• After joining, participate in the project through a secondment to hirify.global Bank.