Intern - Software Engineer, AI User Experience

Job Description

We are seeking innovative and dedicated Software Engineer to join the Rakuten AI User Experience team. This role involves advancing the AI user experience to serve as the foundational core across the Rakuten products ecosystem by developing innovative AI user experience framework. The ideal candidate will have a strong passion for building solid, flexible, and immersive AI user experiences using state-of-the-art technologies and will contribute to a unified vision that enhances Rakuten AI foundation at scale.

About the Role

The role involves developing and maintaining web applications, building AI front-end user experience, developing AI back-end services, designing and managing databases, integrating APIs and third-party services, performing testing and debugging, and optimizing for performance.

Responsibilities

• Develop and Maintain Web Applications
• Design, build, and maintain front-end and back-end features for web applications, ensuring they are scalable and high-performing.
• Use HTML, CSS, JavaScript, and frameworks like React, Angular, or Vue to create intuitive and responsive user interfaces.
• Build server-side logic and APIs using technologies like Node.js, Python, Java, or Ruby.
• Build highly flexible, scalable Agentic AI Framework by leveraging popular AI toolset like LangChain etc.
• Data schema design and database management: Design and manage databases, such as MySQL, MongoDB, PostgreSQL, or others, ensuring efficient data storage and retrieval.
• Integrate APIs and Third-Party Services: Integrate external APIs and services, such as OpenAI APIs, payment gateways, social media APIs, or analytics tools, as needed.
• Perform Testing and Debugging: Write unit, integration, and end-to-end tests, troubleshoot issues, and resolve bugs across the full stack of the application.
• Optimize for Performance: Improve performance by optimizing application code, databases, and server configurations to reduce latency and increase efficiency.

Requirements

• Proficiency in front-end technologies like HTML, CSS, and JavaScript, and experience with at least one modern front-end framework (e.g., React, Angular, or Vue).
• Proficiency in Back-End Development, knowledgeable of server-side languages such as C#, Java, Python, Node.js, Ruby, or PHP and familiarity with building RESTful APIs and knowledgeable of Web Development Frameworks.
• Knowledge/familiarity with variety of data schema design, and database management, e.g. relational databases (e.g., MySQL, PostgreSQL) and/or NoSQL databases (e.g., MongoDB, Cassandra).
• Proficiency in debugging and problem-solving across both front-end and back-end systems.
• Ability to write clean, maintainable code, adherence to coding standards and best practices, with a focus on creating well-organized, readable, and maintainable code.
• Adaptability and willingness to learn, ability to quickly learn new technologies and adapt to changing project requirements.

Qualifications

• Bachelor’s Degree or above in Computer Science or related field or equivalent practical experience.
• Experience with testing practices and experience with unit testing, integration testing, and end-to-end testing.
• Experience in AI-related projects or products strongly preferred.