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Kota Historika
Senior Software Engineer
I am an Software Engineer with a strong foundation in computer science and a passion for developing innovative and efficient technological solutions. I hold a Bachelor’s degree from Nagoya University, where I specialized in Computer Algorithms, Database Architecture, and Artificial Intelligence. With experience in designing and implementing scalable backend systems and integrating cutting-edge AI technologies, I excel at creating reliable, high-performance solutions that address real-world challenges. I am skilled in programming, problem-solving, and building systems that enhance user experiences and improve operational efficiency. Driven by curiosity and a commitment to innovation, I continuously strive to leverage technology to create meaningful and impactful solutions for businesses and users alike.
なごやし, 愛知県, 日本
+ 14059195046
Work Experience
AI Specialist • Epic Caller AI
As an 𝐀𝐈 & 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 at Epic Caller AI, I led the development of an advanced AI agent platform, leveraging state-of-the-art technologies such as OpenAI, Pinecone, RAG (Retrieval Augmented Generation), and LangChain. My work focused on integrating AI with backend systems, enabling the seamless deployment of intelligent conversational agents for enhanced customer service and financial solutions. I designed and implemented scalable architectures using Node.js to support the platform’s performance and reliability.
Key contributions included building robust pipelines for Speech-to-Text (STT) and Text-to-Speech (TTS) functionalities, enabling real-time voice interactions, and integrating VoIP systems for effective communication. I optimized information retrieval using Pinecone for vector databases and RAG to enhance contextual understanding in AI-driven query resolution. By combining these technologies, I delivered a cutting-edge solution that improved user engagement, streamlined operations, and advanced the company’s AI capabilities.
February 2023 - October 2024
Backend Engineer & QA Tester • CNA Insurance Company
As a 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫, I designed and maintained scalable backend systems to support insurance applications, developed RESTful APIs, and optimized database schemas for improved performance and data integrity. I collaborated with cross-functional teams, refactored legacy codebases, and implemented microservices architecture to enhance scalability. Additionally, I monitored system performance, resolved production issues, and adhered to best practices in version control, code reviews, and automated testing.
As a 𝐐𝐀 𝐓𝐞𝐬𝐭𝐞𝐫, I conducted functional, integration, regression, and performance testing, creating test plans, cases, and automated scripts using tools like Selenium and Postman. I identified and tracked bugs, collaborated with developers for timely resolutions, and ensured compliance with security and data privacy standards. My efforts improved test coverage by 30%, reduced production defects by 20%, and enhanced overall system reliability, contributing to the success of CNA’s insurance applications.
April 2019 - November 2022
Education
2015 - 2019
Nagoya University
Database Architecture,Computer Algorithm,Artificial Intelligence
Skills
- Java
- C#
- JavaScript
- TypeScript
- Python
Languages
- English — Native or Bilingual
- Japanese — Native or Bilingual
Kota Historika
Senior Software Engineer
I am an Software Engineer with a strong foundation in computer science and a passion for developing innovative and efficient technological solutions. I hold a Bachelor’s degree from Nagoya University, where I specialized in Computer Algorithms, Database Architecture, and Artificial Intelligence. With experience in designing and implementing scalable backend systems and integrating cutting-edge AI technologies, I excel at creating reliable, high-performance solutions that address real-world challenges. I am skilled in programming, problem-solving, and building systems that enhance user experiences and improve operational efficiency. Driven by curiosity and a commitment to innovation, I continuously strive to leverage technology to create meaningful and impactful solutions for businesses and users alike.
なごやし, 愛知県, 日本
+ 14059195046
Work Experience
AI Specialist • Epic Caller AI
As an 𝐀𝐈 & 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫 at Epic Caller AI, I led the development of an advanced AI agent platform, leveraging state-of-the-art technologies such as OpenAI, Pinecone, RAG (Retrieval Augmented Generation), and LangChain. My work focused on integrating AI with backend systems, enabling the seamless deployment of intelligent conversational agents for enhanced customer service and financial solutions. I designed and implemented scalable architectures using Node.js to support the platform’s performance and reliability.
Key contributions included building robust pipelines for Speech-to-Text (STT) and Text-to-Speech (TTS) functionalities, enabling real-time voice interactions, and integrating VoIP systems for effective communication. I optimized information retrieval using Pinecone for vector databases and RAG to enhance contextual understanding in AI-driven query resolution. By combining these technologies, I delivered a cutting-edge solution that improved user engagement, streamlined operations, and advanced the company’s AI capabilities.
February 2023 - October 2024
Backend Engineer & QA Tester • CNA Insurance Company
As a 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫, I designed and maintained scalable backend systems to support insurance applications, developed RESTful APIs, and optimized database schemas for improved performance and data integrity. I collaborated with cross-functional teams, refactored legacy codebases, and implemented microservices architecture to enhance scalability. Additionally, I monitored system performance, resolved production issues, and adhered to best practices in version control, code reviews, and automated testing.
As a 𝐐𝐀 𝐓𝐞𝐬𝐭𝐞𝐫, I conducted functional, integration, regression, and performance testing, creating test plans, cases, and automated scripts using tools like Selenium and Postman. I identified and tracked bugs, collaborated with developers for timely resolutions, and ensured compliance with security and data privacy standards. My efforts improved test coverage by 30%, reduced production defects by 20%, and enhanced overall system reliability, contributing to the success of CNA’s insurance applications.
April 2019 - November 2022
Education
2015 - 2019
Nagoya University
Database Architecture,Computer Algorithm,Artificial Intelligence
Skills
- Java
- C#
- JavaScript
- TypeScript
- Python
Languages
- English — Native or Bilingual
- Japanese — Native or Bilingual