Takashi Kiyomasa

Senior Full-stack developer

Panda doc•  June 2022 - July 2023

● Designed and built Microservices using Spring Boot, deploying them in Pivotal Cloud Foundry (PCF). ● Orchestrated the deployment, scaling, and monitoring of applications on cloud services such as AWS and GCP. ● Developed and implemented efficient data streaming solution, using Apache Kafka. ● Utilized RabbitMQ for efficient message queue management within microservices architecture. ● Integrated Amazon EC2, S3, Lambda, DynamoDB, and other AWS services into various software projects. ● Utilized open-source technologies, such as Apache Kafka and Spring, and integrated them into the application development process. ● Leverage JIRA for project management, tracking tasks, bugs, user stories while following agile development methodologies. ● Led a team of developers in developing, maintaining, and enhancing web applications using Java/J2EE, Spring Boot, and Angular.

Senior Backend developer

Rise IT Solutions•  January 2020 - May 2022

● Mastered the implementation of RESTful APIs and integrating them with various front-end components using Angular. ● Co-designed and implemented a non-blocking REST API using Spring Boot and Spring MVC. ● Collaborated with a team to implement a data visualization dashboard using Angular and D3.js, which was well received by both our internal team and external clients. ● Developed back-end microservices using Scala/Play as well as Java/Spring Boot technologies. ● Developed AWS Lambda functions (using JavaScript) for the website, using DynamoDB and Elasticsearch as data stores. Integrated with Kafka topics to populate the data sources. ● Implemented a 2-way TLS security setup using Amazon ACM certificates.

Web developer

Ahead•  June 2018 - May 2019

● Created a search system for finding branches and ATMs filtered by various criteria, including a nearby feature. ● Wrote unit tests and integration tests using JUnit and Cucumber. ● Ensured that all of the REST APIs adhered to JSON API standards. ● Implemented the front end using React and developed components from scratch. ● Led the development of a new web application using React and Java, resulting in a more streamlined and user-friendly experience for our clients. ● Experience in developing frontend components using JSP, JavaScript, jQuery, AJAX, HTML and CSS for projects based on Java platform ● Conducted code reviews for junior developers to ensure high quality code and adherence to best practices. ● Actively participated in daily stand-ups and sprint planning meetings to ensure projects were on track and deadlines were met

Frontend Developer

Note Inc•  July 2016 - April 2018

● Created a white-label open banking sandbox (bank, directory, OAuth, analytics) sold to many banks using an Angular. ● Automated builds, tests, and releases using Docker images on GCP. ● Implemented unit tests with Jest. ● Implemented E2E tests with Cypress. ● Architected and designed a gaming web app for the Japanese market using React. ● Created a design system with hundreds of reusable components. ● Automated builds, tests, and releases using Docker images. ● Implemented a performance improvement of an existing React application to support thousands of data points coming live from satellites. ● Automated builds, tests, and releases using Docker images. ● Contributed to the React Stock charts library, the major open-source lib for stocks.