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Past
App設計開發 ASO & SEO @個人接案 freelancer
2024 ~ Present
全端工程師
Within one month
JavaScript
Cordova
sql
Unemployed
Ready to interview
Taiwan
Full-time / Interested in working remotely
4-6 years
國立勤益科技大學
機械工程系
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資深全端工程師 @萬通教育股份有限公司
2024 ~ Present
資深全端工程師、資深後端工程師、資深 flutter 工程師、資深 Android 工程師
Within one month
Flutter
Android
Swift
Employed
Ready to interview
Taiwan
Full-time / Interested in working remotely
10-15 years
National Ilan University
Computer and Information Sciences, General
Avatar of Thomas Richardson.
Offline
Avatar of Thomas Richardson.
Offline
Past
Senior Specialist @CNA Insurance Company
2022 ~ Present
Software Engineer / Backend Engineer
Within one month
and Vue.js, I create dynamic and responsive user interfaces that enhance user engagement and accessibility. My proficiency extends to mobile application development using React Native, ensuring consistent and high-quality experiences across iOS and Android devices. On the back-end, I bring extensive experience with Java, Kotlin, Node.js, and microservices architecture, enabling the development of scalable and efficient systems. I am adept at managing both SQL and NoSQL databases, including MongoDB and GraphQL, ensuring robust data management and seamless integration with RESTful APIs and GraphQL interfaces. My blockchain expertise includes designing and
Development
Visual Studio Code
Three.js
Unemployed
Ready to interview
United States・Vietnam・Taiwan・Hong Kong・Japan・Thailand・China・Mexico・Russia
Full-time / Remote Only
10-15 years
University of Arkansas
Computer Science
Avatar of Rock Yiu.
Avatar of Rock Yiu.
Tech Lead @Oursky
2018 ~ Present
Project Lead / Tech Lead / Team Lead / Technical Manager
Within three months
phone, changing language, changing display density) In case of getting killed by system (save state via Bundle) PII (Personally Identifiable Information) auditing/handling in the whole app Misc: Custom View (fancy title animation), Biometrics integration, Sentry integration, Deep Link support Kinofi, Camera Mounting Hardware Companion AppTech Lead Tech used: Kotlin, Coroutine, Bluetooth LE, LiveData, ViewModel, LifecycleOwner Extremely improved sprint velocity. PM estimated 3 developers (iOS), managed with only 2 (with extra features!) Implemented reliable virtual Bluetooth LE (Low Energy) connection and pairing for Hardware API Hardware API implemented as a separate module for separation of concern Provided a
C++
C#.NET development
ASP.NET Core
Employed
Ready to interview
Taiwan
Full-time / Interested in working remotely
4-6 years
The Chinese University of Hong Kong
Philosophy
Avatar of Ken Zhuang.
技術主管
Within one month
PHP 後台 專案開發。 服務過的品項有 AppMaker, AVR 直播 App, IBIZA TV App. 瀚星百貨App 中國旅遊團會員系統 交友聊天平台 信用卡刷卡系統 繁多不及備載 學歷 SepJan 2007 交通大學 電信工程學系 SepJun 2003 崇右企專 國際貿易科 技能 Flutter Java Kotlin Objective-C Go PHP C# Vue JavaScript 語言 Chinese - Native English - Normal
Objective-C
Java
Kotlin
Employed
Open to opportunities
Full-time / Interested in working remotely
More than 15 years
國立交通大學(National Chiao Tung University, NCTU)
電信工程學系
Avatar of Ryan.
Avatar of Ryan.
Past
Senior Software Engineer @iDox.ai Corp.
2021 ~ 2024
Software Engineer / Backend Engineer
Within one month
Additionally, I have worked on the development of high-traffic advertising syndication systems, ensuring stability and scalability in high-load environments. These experiences have enabled me to design efficient system architectures and provide users with stable and seamless experiences. [email protected] Skills Program Languages Java, Kotlin, TypeScript, JavaScript, Python, C#, PHP Backend Technologies Frameworks : NestJS, Quarkus, Spring Boot, Vert.x, Express, Play2, Struts2, Flask, .NET MVC, CodeIgniter Frontend Technologies Frameworks & Libraries : React, Next.js, Angular, AngularJS, jQuery Styling : Sass, SCSS, TailwindCSS, Semantic UI, Bootstrap, Material UI Databases Relational Databases : PostgreSQL, MSSQL
Next.js
NestJS
Kotlin
Unemployed
Open to opportunities
Taiwan
Full-time / Interested in working remotely
6-10 years
National United University
Department of Electronic Engineering
Avatar of Jason Gee.
Avatar of Jason Gee.
Past
Full Stack Developer @DroidWorks Solutions
2023 ~ 2024
Front-End / Back-End / Full Stack Web Developer
Within one month
integrating video streaming. - Contributed extensively to new ideas, design and development of a creative mobile app featuring an AI companion and animated avatar - Managed, developed over a dozen education apps implementing unique UI/UX, several of these apps were developed using JNI and Flutter. - Reversed, analyzed various applications and then improved security and performance implementing robust security modules. EducationThe Hong Kong University of Science and Technology Computer Science Skills GitHub C C# C++ PHP OOP AWS SQL Git CSS Java JavaScript Kotlin Python React Native Flutter Django Ruby on R...
GitHub
C
C#
Unemployed
Open to opportunities
United States
Full-time / Remote Only
4-6 years
The Hong Kong University of Science and Technology
Computer Science
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Avatar of the user.
Past
Full stack Freelancer @Self-employed
2023 ~ Present
Full Stack Web Developer
Within one month
PHP
JavaScript / ES6 / jQuery
React.js/Redux
Unemployed
Open to opportunities
Vietnam
Full-time / Remote Only
More than 15 years
Danang University of Science and Technology
Computer Science
Avatar of Brian Eiband.
Avatar of Brian Eiband.
Senior Produktmanager für Internal Development Platform Produkte @OTTO GmbH & Co. KG
2023 ~ Present
Product Manager, Product Owner, Product Strategy Manager, Product Marketing Manager, Project Manager
Within one month
und DevEx. Leidenschaft für die Vereinfachung komplexer Systeme, um Entwicklerteams effizienter zu machen. München, Deutschland. https://www.brianeiband.de IT-Strategieentwicklung Teamführung Mitarbeiterentwicklung Agile Software Development Internal Development Platform & Team Topologies Produkt & Kundenmanagement Domain Driven Design Softwarearchitektur Fullstack Entwicklung Tech Stack Java/Kotlin + Springboot React / Angular AWS Cloud Docker CI/CD Pipeline Tools UI/UX (PS, Canva, Figma) Planning (Jira, Confluence, MS Tooling) Coding (VS Code, IntelliJ, CLI) Lebenslauf OktoberHeute Senior Produktmanager für Internal Development Platform Produkte Produktmanagement für zentrale Platform-Produkte (Cloud Account Factory, CI / CD
Strategieentwicklung
Teamführung
Mitarbeiterentwicklung
Open to opportunities
United States・Germany・Switzerland
Full-time / Interested in working remotely
6-10 years
Hochschule Reutlingen-Knowledge Foundation
Master Of Science-MS , Digital Business Management
Avatar of Chi-Hsuan Wu.
Avatar of Chi-Hsuan Wu.
Android/iOS工程師 @作品科技有限公司
2023 ~ Present
Senior Mobile App Developer, Senior Backend Developer
Within one month
吳其軒 Chi-Hsuan Wu 具備獨立開發大型專案 的經驗 ,技術橫跨前後端包含Android與iOS,上架至Google Play與App Store已有超過十萬人下載。有開發和維護開源專案 經歷、 架設實際運作中的SPA網頁經驗 。有Flutter、React、 AWS、Firebase、 DL( Tensorflow )相關經驗。 擅長Kotlin Multiplatform開發,與整合前後端、雲端部屬
Kotlin
Swift
JavaScript
Employed
Not open to opportunities
Taiwan
Full-time / Interested in working remotely
4-6 years
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Senior Software Engineer
Logo of CNA Insurance Company.
CNA Insurance Company
2022 ~ Present
Woodstock, McHenry, State of Illinois, United States
United States・Việt Nam・台灣・Hong Kong・日本・ประเทศไทย・中国・México・Россия
Professional Background
Current status
Unemployed
Job Search Progress
Ready to interview
Professions
Full Stack Development, Front-end Engineer, Back-end Engineer
Fields of Employment
Software, Artificial Intelligence / Machine Learning, Mobile Apps
Work experience
More than 15 years work experience (10-15 years relevant)
Management
I've had experience in managing 5-10 people
Skills
Development
Visual Studio Code
Three.js
Full Stack Web Development
Word
Excel
3D web development
C/C++
MySQL
Canvas
Unity
Java
Shopify
Shopify Development
Shopify Theme Customization
Shopify Templates
React
React Native
Node.js
Express
TypeScript
Redux
Python
Postgres
AI & Machine Learning
Vue.js
go
Golang
ios
iOS
IOS Development
Swift
RESTful APIs
Kafka
CI/CD
GitLab
GitLab CI
GitHub
Github Actions
MongoDB
NoSQL
Spring Boot
Microservices
Docker
Kubernetes
Git
Cloud Architecture
AWS
GCP
JavaScript
JavaScript / ES6 / jQuery
HTML5
CSS3
React.js/Redux
Angular
Jest
Cypress
Google Map
SaaS
Web Scraping & Automation
PHP
PowerPoint
C
CSS
C++
IoT
NLP
C#
MCU
ns3
Blockchain
blockchain development
shopify
Shopify SEO
shopify themes
Shopify Plus
CMS
CMS Development
headless
Headless
Headless CMS
Headless UI
Languages
English
Native or Bilingual
Job search preferences
Positions
Software Engineer / Backend Engineer
Job types
Full-time
Locations
South Africa, 台灣, 日本, ประเทศไทย, Hong Kong, United States
Remote
Remote Only
Freelance
Yes, I'm currently a full-time freelancer
Educations
School
University of Arkansas
Major
Computer Science
Print

Thomas Richardson

Woodstock, IL, United States
+1 (682) 293 6658
[email protected]
https://www.linkedin.com/in/thomas-r-a3b944296/

As a Senior Full Stack Developer, I specialize in crafting innovative solutions that span web, mobile, and blockchain platforms, leveraging a comprehensive blend of front-end, back-end, AI, NLP, and decentralized technologies. With expertise in modern front-end frameworks such as React, Angular, and Vue.js, I create dynamic and responsive user interfaces that enhance user engagement and accessibility. My proficiency extends to mobile application development using React Native, ensuring consistent and high-quality experiences across iOS and Android devices.


On the back-end, I bring extensive experience with Java, Kotlin, Node.js, and microservices architecture, enabling the development of scalable and efficient systems. I am adept at managing both SQL and NoSQL databases, including MongoDB and GraphQL, ensuring robust data management and seamless integration with RESTful APIs and GraphQL interfaces. My blockchain expertise includes designing and deploying smart contracts, building decentralized applications (dApps), and working with platforms like Ethereum, Solidity, and Web3.js, delivering secure and scalable solutions for decentralized ecosystems.


Additionally, I have hands-on experience with Twilio for VoIP solutions and FreeSWITCH, allowing for versatile and scalable communication systems. My AI and NLP expertise helps create intelligent systems, driving automation and enhancing user experiences. Passionate about leveraging cutting-edge technologies and collaborating within cross-functional teams, I focus on delivering maintainable and efficient code. My experience with CI/CD pipelines, using Jenkins, Docker, and Kubernetes, complements my cloud expertise in AWS and Google Cloud Platform, enabling me to deliver comprehensive and reliable full-stack and blockchain-based solutions.


  • Senior Full Stack Developer with a comprehensive skill set in delivering seamless, innovative solutions across web, mobile, and blockchain platforms.
  • Proficient in front-end technologies such as React, Angular, and Vue.js, with a strong ability to create dynamic, responsive, and user-friendly web applications.
  • Extensive experience in HTML5, CSS3, and JavaScript, with a focus on intuitive design and usability, ensuring engaging and visually appealing user interfaces.
  • Skilled in mobile development using React Native for cross-platform mobile applications, delivering consistent and high-quality user experiences on iOS and Android devices.
  • Expertise in back-end development, with a deep understanding of Java, Kotlin, Node.js, and microservices architecture to support scalable and efficient systems.
  • Strong experience with SQL and NoSQL databases, including MongoDB and GraphQL, ensuring robust and efficient data management.
  • Blockchain expertise in designing and deploying smart contracts, building decentralized applications (dApps), and working with platforms like Ethereum, Solidity, and Web3.js, delivering secure and scalable solutions for decentralized ecosystems.
  • Knowledgeable in AI and NLP, leveraging machine learning algorithms and natural language processing techniques to create intelligent, automated solutions.
  • Knowledgeable in Big Data technologies such as Apache Spark and Scala, facilitating the processing and analysis of large datasets.
  • Proven track record in developing RESTful APIs and GraphQL interfaces to enable seamless data communication between front-end, back-end, and mobile applications.
  • Proficient in implementing VoIP solutions using Twilio and FreeSWITCH, providing flexible and reliable communication systems.
  • Passionate about writing maintainable and efficient code, utilizing the latest technologies, and excelling in collaborative team environments.
  • Experienced in building and maintaining CI/CD pipelines using Jenkins, Docker, and Kubernetes, ensuring reliable deployment and integration processes.
  • Proficient with leading cloud platforms, particularly AWS (Lambda, DynamoDB, SQS, EC2, EKS, Cloud Build) and Google Cloud Platform (GKE, Cloud Functions), supporting comprehensive full-stack and blockchain solutions.

Work Experience


Senior Specialist  •  CNA Insurance Company

December 2022 - Present  |  Chicago IL, US

• Developed RESTful APIs using Java(Spring Boot) based on microservice architecture.
• Responsible to develop custom nifi based on Apache Nifi in Java Core programming language and used Kafka to Stream Data in backend side and developed a microservice.
• Responsible to design database and architecture.
• Used MySQL, NoSQL(MongoDB) and GraphQL on the backend and deployed in GCP Kubernetes Engine with GCR.
• Deployment & Management the product (multi microservices) using GCP Clouding Services and Atlanssian Tools.
• Used JIRA as the bug tracking system to track and maintain the history of bugs/issues on everyday basis.
• Worked with Mockito Testing Library unit test framework to write unit tests for backend apis.
• Mentoring the offshore work and providing technical help to the offshore team for their JIRA tickets.

Software Engineer  •  BookBeam

November 2018 - December 2022  |  Boston, US

• Developed RESTful APIs & SOAP using Java/PHP/Kotlin - Spring Boot for a web application with over 1 million users per month.
• Developed frontend in React with Redux for frontend application and developed chrome extension as well.
• Used Kafka to Stream Data in backend side.
• Used Selenium and Web Driver to scrape date in python from Amazon
• Developed an engine in Scala with Spark to handle big data from AWS to increase their sales on Amazon
• Development Multithreading solution to improve the scrapping engine infinitely.
• Used MySQL, NoSQL(MongoDB) and GraphQL on the back end
• Deployment & Management the product (multi microservices) using AWS Clouding Services(AWS Lambda,
DynamoDB, SQS, EKS) in the development stage but later migrated into GCP( GCP Functions instead AWS Lambda, MongoDB instead AWS DynamoDB, Apach Kafka instead of AWS SQS, GKE instead of EKS).
• Used JIRA as the bug tracking system to track and maintain the history of bugs/issues on everyday basis.
• Worked with Mockito Testing Library unit test framework to write unit tests for backend apis.
• Monitoring the offshore work and providing technical help to the offshore team for their JIRA tickets.
• Performed the System Testing, Regression Testing for Complete UI after fixing the Issues which are reported by Testing Team.

Software engineer  •  CRYPTO-INC

January 2017 - October 2018  |  Arkansas, US

• Created APIs to provide financial data to front end applications.
• Responsible for development crypto-currency swap system similar with binance(https://www.binance.com)
• Responsible for development of backend side in Python and Spring Boot(Java).
• Worked with Apache spark to manage BigData on AWS Cloud and accelerating Crypto’s sales.
• Worked with scala, apache spark developing engines for BigData.
• Worked on RESTful API design and development.
• Expertise in using React.js/Redux to build User Interface
• Maintained states in the stores and dispatched the actions using redux.
• Used React-Auto complete for creating google map's location search on the webpage.
• Used Middleware, Redux-Promise in application to retrieve data from Back-End and to also perform RESTFUL services.
• Added Dynamic Functionality by creating and dispatching Action Creators that deployed Actions.
• Created and used Reducers that received said Actions to modify the Store State Tree.
• Worked with backend engineers to optimize existing API calls to create efficiencies by deprecating unneeded API calls.
• Called the Restful web services calls for POST, PUT DELETE and GET methods with MS SQL backend.
• Worked with AWS Lambda using Node.js 14 including SNS to refresh data based on changes.

Backend Developer  •  AVANAN

February 2015 - February 2017  |  New York, US

• Responsible for backend API development in Python &NodeJS
• Responsible for deployment & management of NodeJS WebSocket Service in AWS Lambda
• Responsible for deployment & management of Python Backend Service in AWS EC2 instance – Ubuntu Server
• Partnering with teammates to discuss about solutions
• Responsible for identifying the gap, coordinate with external team for dependency resolution and closing the gap
• Responsible for analysis big database with mongoDB
• SQL query optimization with GraphQL
• Partnering with Scrum master and Product manager in daily scrum call, resolving impediment related to mapping document, sprint planning and PI planning

Backend Developer  •  Linte São

May 2013 - January 2015  |  Paulo, Brazil

• Responsible for development and guidance junior developers in the technical stacks: NodeJS, ReactJS, MongoDB, AWS Recognition, AWS S3, AWS Lambda.
• Responsible for infrastructure and management of AWS Clouding Services including payment role.
• Responsible for development of backend apis in Java (Spring Boot Framework).
• Implementedload-balancingwithnginxtoallowNodeJSinstancestohandleconcurrentusers.
• Node.js, MongoDB with Mongoose, TypeScript and Express & express middleware
• Used MySQL and NoSQL on the backend
• Worked closely with System Administrators to take ownership of the product's operations and metrics
• Worked on RESTful API design and development
• Responsible for suggestion of the best solutions to scale the product

Education


University of Arkansas

Bachelor’s Degree in Computer Science  •  2009 - 2013

Skills


Front-End Development:

  • HTML5, CSS3, JavaScript/TypeScript
  • React, Angular, Vue.js
  • SASS, LESS
  • Webpack, Babel
  • Responsive Design, Bootstrap, Tailwind CSS


Back-End Development:

  • Java, Kotlin, Spring Boot, Webflux
  • Node.js, Express, NestJS
  • Python (Flask, FastAPI, Django), Go
  • PHP, Laravel
  • Ruby on Rails
  • .NET Core
  • Multithreading, Concurrency


Database Management:

  • SQL (MySQL, PostgreSQL, Oracle)
  • NoSQL (MongoDB, DynamoDB, Cassandra)
  • GraphQL, RESTful APIs
  • JDBC, Hibernate, Spring JPA
  • Elastic Cache/Redis


Messaging and Streaming:

  • Kafka, RabbitMQ, gRPC


DevOps and Cloud Platforms:

  • Docker, OpenShift, Kubernetes
  • Jenkins, GitLab CI/CD
  • AWS (Lambda, DynamoDB, SQS, EC2, EKS, Cloud Build) & Google Cloud Platform (GKE, Cloud Functions)
  • Terraform, Helm


Blockchain:

  • Ethereum, Smart Contracts
  • Solidity, Truffle, Hardhat
  • Web3.js, Ethers.js


VoIP and Communication:

  • Twilio, FreeSWITCH, VoIP
  • SIP, WebRTC


Testing and Quality Assurance:

  • TDD – JUnit, Mockito, JMeter
  • Selenium, WebDriver
  • Cypress, Jest


Big Data and Data Processing:

  • Big Data, Apache Spark
  • Apache Nifi


Artificial Intelligence and Machine Learning:

  • TensorFlow, PyTorch
  • Scikit-learn, Keras
  • NLP, Computer Vision


Other Technologies:

  • Version Control (Git, GitHub, Bitbucket)
  • Agile/Scrum Methodologies
  • Microservices Architecture
  • Serverless Architecture

Languages


  • English — Native or Bilingual
Resume
Profile

Thomas Richardson

Woodstock, IL, United States
+1 (682) 293 6658
[email protected]
https://www.linkedin.com/in/thomas-r-a3b944296/

As a Senior Full Stack Developer, I specialize in crafting innovative solutions that span web, mobile, and blockchain platforms, leveraging a comprehensive blend of front-end, back-end, AI, NLP, and decentralized technologies. With expertise in modern front-end frameworks such as React, Angular, and Vue.js, I create dynamic and responsive user interfaces that enhance user engagement and accessibility. My proficiency extends to mobile application development using React Native, ensuring consistent and high-quality experiences across iOS and Android devices.


On the back-end, I bring extensive experience with Java, Kotlin, Node.js, and microservices architecture, enabling the development of scalable and efficient systems. I am adept at managing both SQL and NoSQL databases, including MongoDB and GraphQL, ensuring robust data management and seamless integration with RESTful APIs and GraphQL interfaces. My blockchain expertise includes designing and deploying smart contracts, building decentralized applications (dApps), and working with platforms like Ethereum, Solidity, and Web3.js, delivering secure and scalable solutions for decentralized ecosystems.


Additionally, I have hands-on experience with Twilio for VoIP solutions and FreeSWITCH, allowing for versatile and scalable communication systems. My AI and NLP expertise helps create intelligent systems, driving automation and enhancing user experiences. Passionate about leveraging cutting-edge technologies and collaborating within cross-functional teams, I focus on delivering maintainable and efficient code. My experience with CI/CD pipelines, using Jenkins, Docker, and Kubernetes, complements my cloud expertise in AWS and Google Cloud Platform, enabling me to deliver comprehensive and reliable full-stack and blockchain-based solutions.


  • Senior Full Stack Developer with a comprehensive skill set in delivering seamless, innovative solutions across web, mobile, and blockchain platforms.
  • Proficient in front-end technologies such as React, Angular, and Vue.js, with a strong ability to create dynamic, responsive, and user-friendly web applications.
  • Extensive experience in HTML5, CSS3, and JavaScript, with a focus on intuitive design and usability, ensuring engaging and visually appealing user interfaces.
  • Skilled in mobile development using React Native for cross-platform mobile applications, delivering consistent and high-quality user experiences on iOS and Android devices.
  • Expertise in back-end development, with a deep understanding of Java, Kotlin, Node.js, and microservices architecture to support scalable and efficient systems.
  • Strong experience with SQL and NoSQL databases, including MongoDB and GraphQL, ensuring robust and efficient data management.
  • Blockchain expertise in designing and deploying smart contracts, building decentralized applications (dApps), and working with platforms like Ethereum, Solidity, and Web3.js, delivering secure and scalable solutions for decentralized ecosystems.
  • Knowledgeable in AI and NLP, leveraging machine learning algorithms and natural language processing techniques to create intelligent, automated solutions.
  • Knowledgeable in Big Data technologies such as Apache Spark and Scala, facilitating the processing and analysis of large datasets.
  • Proven track record in developing RESTful APIs and GraphQL interfaces to enable seamless data communication between front-end, back-end, and mobile applications.
  • Proficient in implementing VoIP solutions using Twilio and FreeSWITCH, providing flexible and reliable communication systems.
  • Passionate about writing maintainable and efficient code, utilizing the latest technologies, and excelling in collaborative team environments.
  • Experienced in building and maintaining CI/CD pipelines using Jenkins, Docker, and Kubernetes, ensuring reliable deployment and integration processes.
  • Proficient with leading cloud platforms, particularly AWS (Lambda, DynamoDB, SQS, EC2, EKS, Cloud Build) and Google Cloud Platform (GKE, Cloud Functions), supporting comprehensive full-stack and blockchain solutions.

Work Experience


Senior Specialist  •  CNA Insurance Company

December 2022 - Present  |  Chicago IL, US

• Developed RESTful APIs using Java(Spring Boot) based on microservice architecture.
• Responsible to develop custom nifi based on Apache Nifi in Java Core programming language and used Kafka to Stream Data in backend side and developed a microservice.
• Responsible to design database and architecture.
• Used MySQL, NoSQL(MongoDB) and GraphQL on the backend and deployed in GCP Kubernetes Engine with GCR.
• Deployment & Management the product (multi microservices) using GCP Clouding Services and Atlanssian Tools.
• Used JIRA as the bug tracking system to track and maintain the history of bugs/issues on everyday basis.
• Worked with Mockito Testing Library unit test framework to write unit tests for backend apis.
• Mentoring the offshore work and providing technical help to the offshore team for their JIRA tickets.

Software Engineer  •  BookBeam

November 2018 - December 2022  |  Boston, US

• Developed RESTful APIs & SOAP using Java/PHP/Kotlin - Spring Boot for a web application with over 1 million users per month.
• Developed frontend in React with Redux for frontend application and developed chrome extension as well.
• Used Kafka to Stream Data in backend side.
• Used Selenium and Web Driver to scrape date in python from Amazon
• Developed an engine in Scala with Spark to handle big data from AWS to increase their sales on Amazon
• Development Multithreading solution to improve the scrapping engine infinitely.
• Used MySQL, NoSQL(MongoDB) and GraphQL on the back end
• Deployment & Management the product (multi microservices) using AWS Clouding Services(AWS Lambda,
DynamoDB, SQS, EKS) in the development stage but later migrated into GCP( GCP Functions instead AWS Lambda, MongoDB instead AWS DynamoDB, Apach Kafka instead of AWS SQS, GKE instead of EKS).
• Used JIRA as the bug tracking system to track and maintain the history of bugs/issues on everyday basis.
• Worked with Mockito Testing Library unit test framework to write unit tests for backend apis.
• Monitoring the offshore work and providing technical help to the offshore team for their JIRA tickets.
• Performed the System Testing, Regression Testing for Complete UI after fixing the Issues which are reported by Testing Team.

Software engineer  •  CRYPTO-INC

January 2017 - October 2018  |  Arkansas, US

• Created APIs to provide financial data to front end applications.
• Responsible for development crypto-currency swap system similar with binance(https://www.binance.com)
• Responsible for development of backend side in Python and Spring Boot(Java).
• Worked with Apache spark to manage BigData on AWS Cloud and accelerating Crypto’s sales.
• Worked with scala, apache spark developing engines for BigData.
• Worked on RESTful API design and development.
• Expertise in using React.js/Redux to build User Interface
• Maintained states in the stores and dispatched the actions using redux.
• Used React-Auto complete for creating google map's location search on the webpage.
• Used Middleware, Redux-Promise in application to retrieve data from Back-End and to also perform RESTFUL services.
• Added Dynamic Functionality by creating and dispatching Action Creators that deployed Actions.
• Created and used Reducers that received said Actions to modify the Store State Tree.
• Worked with backend engineers to optimize existing API calls to create efficiencies by deprecating unneeded API calls.
• Called the Restful web services calls for POST, PUT DELETE and GET methods with MS SQL backend.
• Worked with AWS Lambda using Node.js 14 including SNS to refresh data based on changes.

Backend Developer  •  AVANAN

February 2015 - February 2017  |  New York, US

• Responsible for backend API development in Python &NodeJS
• Responsible for deployment & management of NodeJS WebSocket Service in AWS Lambda
• Responsible for deployment & management of Python Backend Service in AWS EC2 instance – Ubuntu Server
• Partnering with teammates to discuss about solutions
• Responsible for identifying the gap, coordinate with external team for dependency resolution and closing the gap
• Responsible for analysis big database with mongoDB
• SQL query optimization with GraphQL
• Partnering with Scrum master and Product manager in daily scrum call, resolving impediment related to mapping document, sprint planning and PI planning

Backend Developer  •  Linte São

May 2013 - January 2015  |  Paulo, Brazil

• Responsible for development and guidance junior developers in the technical stacks: NodeJS, ReactJS, MongoDB, AWS Recognition, AWS S3, AWS Lambda.
• Responsible for infrastructure and management of AWS Clouding Services including payment role.
• Responsible for development of backend apis in Java (Spring Boot Framework).
• Implementedload-balancingwithnginxtoallowNodeJSinstancestohandleconcurrentusers.
• Node.js, MongoDB with Mongoose, TypeScript and Express & express middleware
• Used MySQL and NoSQL on the backend
• Worked closely with System Administrators to take ownership of the product's operations and metrics
• Worked on RESTful API design and development
• Responsible for suggestion of the best solutions to scale the product

Education


University of Arkansas

Bachelor’s Degree in Computer Science  •  2009 - 2013

Skills


Front-End Development:

  • HTML5, CSS3, JavaScript/TypeScript
  • React, Angular, Vue.js
  • SASS, LESS
  • Webpack, Babel
  • Responsive Design, Bootstrap, Tailwind CSS


Back-End Development:

  • Java, Kotlin, Spring Boot, Webflux
  • Node.js, Express, NestJS
  • Python (Flask, FastAPI, Django), Go
  • PHP, Laravel
  • Ruby on Rails
  • .NET Core
  • Multithreading, Concurrency


Database Management:

  • SQL (MySQL, PostgreSQL, Oracle)
  • NoSQL (MongoDB, DynamoDB, Cassandra)
  • GraphQL, RESTful APIs
  • JDBC, Hibernate, Spring JPA
  • Elastic Cache/Redis


Messaging and Streaming:

  • Kafka, RabbitMQ, gRPC


DevOps and Cloud Platforms:

  • Docker, OpenShift, Kubernetes
  • Jenkins, GitLab CI/CD
  • AWS (Lambda, DynamoDB, SQS, EC2, EKS, Cloud Build) & Google Cloud Platform (GKE, Cloud Functions)
  • Terraform, Helm


Blockchain:

  • Ethereum, Smart Contracts
  • Solidity, Truffle, Hardhat
  • Web3.js, Ethers.js


VoIP and Communication:

  • Twilio, FreeSWITCH, VoIP
  • SIP, WebRTC


Testing and Quality Assurance:

  • TDD – JUnit, Mockito, JMeter
  • Selenium, WebDriver
  • Cypress, Jest


Big Data and Data Processing:

  • Big Data, Apache Spark
  • Apache Nifi


Artificial Intelligence and Machine Learning:

  • TensorFlow, PyTorch
  • Scikit-learn, Keras
  • NLP, Computer Vision


Other Technologies:

  • Version Control (Git, GitHub, Bitbucket)
  • Agile/Scrum Methodologies
  • Microservices Architecture
  • Serverless Architecture

Languages


  • English — Native or Bilingual