Early Career AI Engineer – Contract

Rakuten

Software Engineer developing AI user experience by building innovative web applications and frameworks. Joining a team dedicated to enhancing AI user experiences across Rakuten's product ecosystem.

Posted 6/17/2026contractBellevue • California, Washington • 🇺🇸 United StatesMid-LevelSenior💰 $30 - $50 per hourWebsite

Tech Stack

Tools & technologies

AngularCassandraJavaJavaScriptMongoDBMySQLNode.jsNoSQLPHPPostgresPythonReactRubyVue.js

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

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.
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.

Benefits

Comp & perks

Mentorship programs
Resources for growth in AI domains
Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

HTMLCSSJavaScriptReactAngularVueNode.jsPythonJavaRuby

Soft Skills

problem-solvingadaptabilitywillingness to learnattention to detailcommunication

Certifications

Bachelor’s Degree in Computer Science