Early Career AI Engineer (Contract)

Rakuten•San Mateo, CA

2d•$30 - $50

About The Position

Rakuten International is seeking an 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. Rakuten also welcomes software engineers from diverse fields who may not have direct experience in AI, offering mentorship and resources to facilitate growth in cutting-edge AI domains. At Rakuten, early career engineers are given a genuine, immersive experience that has a direct impact on company objectives, becoming a true member of the team.

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.
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.

Nice To Haves

Experience in AI-related projects or products strongly preferred.

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.
Build AI Front-End User Experience: Use HTML, CSS, JavaScript, and frameworks like React, Angular, or Vue to create intuitive and responsive user interfaces.
Develop AI Back-End Services: Build server-side logic and APIs using technologies like Node.js, Python, Java, or Ruby.
Building 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.