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Avatar of Johnny Liao.
Avatar of Johnny Liao.
資深軟體開發工程師 @緯創軟體股份有限公司
2022 ~ Present
Front-End / Back-End / Full Stack Web Developer / Software Engineer
Within one month
key features such as customizable key/button configurations, keyboard shortcuts, AI Key functionality, and hardware status notifications. Resolved interface rendering issues across multi-monitor setups, high-resolution displays, and diverse DPI environments, significantly enhancing usability and user experience. Refactored module architecture, data structures, and interfaces to improve scalability and maintainability, leading to a 30% increase in development efficiency. - Developed backend management systems for restaurant reservation and takeout/delivery platforms in collaboration with our client: (Tech stack: Node.js, Firebase, Elasticsearch, React, Redux, Jest, Mocha, Cypress) Developed the backend reservation and report API and frontend
Node.js
JavaScript / ES6 / jQuery
React.js
Employed
Ready to interview
Full-time / Interested in working remotely
6-10 years
逢甲大學
資訊工程學系
Avatar of Harshal Ashok Wani.
Avatar of Harshal Ashok Wani.
Senior Software Engineer @Golden Equator Group
2020 ~ Present
Senior iOS Developer
Within one month
expertise in designing and building high-performance, user-focused applications. Proficient in Swift, SwiftUI, UIKit, and advanced frameworks like Combine, StoreKit, and Core Data. Skilled in implementing OOP and SOLID principles, performance optimization, and creating visually engaging animations to enhance user experiences. Proven track record of building scalable, maintainable codebases while driving app reliability and cutting-edge functionality. Education Senior iOS Engineer, Golden Equator OctoberAugustSingapore (Remote) Spearheaded the development of the Swish iOS app from the ground up using Swift, UIKit, and SwiftUI, adhering to the MVVMC pattern to deliver a scalable and maintainable codebase.
IOS Development
Swift
Objective-C
Employed
Ready to interview
India
Full-time / Interested in working remotely
6-10 years
SSVPs COE, Maharashtra, India
Computer Science
Avatar of the user.
Avatar of the user.
後端 工程師 @Lilee Systems
2021 ~ Present
軟體工程師
Within one month
Python
Rust
Networking
Employed
Ready to interview
Taiwan
Full-time / Interested in working remotely
4-6 years
元智大學 Yuan Ze University
資訊工程
Avatar of 陳德偉 Wayne Chen.
Avatar of 陳德偉 Wayne Chen.
Past
系統分析師 @德義資訊股份有限公司
2023 ~ Present
Within one month
marketing strategies in the financial industry, reporting directly to the Tokio Marine Newa VP of strategy, ultimately assisting in improving the order conversion rate by 2%. • Optimized digital CRM strategy for arts and cultural organizations, driving a 233% surge in member engagement through strategic content planning. • Launched a scalable GPS check-in & rewards game, attracting 10,000+ players in one month and boosting official account engagement by 30%. Accuhit, Taiwan Taipei, Taiwan Customer Success Specialist JanApr• Collaborated with product teams to define key problem areas, iterating on 10% of experiments over six months while conducting in
Customer Data Platform
Data Analysis Report
GA4: Data Analysis
Unemployed
Ready to interview
Taiwan
Full-time / Interested in working remotely
4-6 years
銘傳大學
國際學院 - 新聞與大眾傳播學程
Avatar of YuWei Xu.
Avatar of YuWei Xu.
Past
Tech Lead @Xin Yin Information Ltd.
2021 ~ 2024
全端工程師
Within one month
YuWei Xu Metro Vancouver Regional District, British Columbia, Canada [email protected] https://www.linkedin.com/in/yuwei-xu/ SUMMARY Highly skilled Tech Lead with expertise in scalable backend systems, clean code practices, and efficient project management. Demonstrated strengths include team leadership, strategic planning, and problem-solving paired with proficiency in various programming languages. Previous roles showcase ability to drive project success, foster innovation, and deliver high-quality solutions on time. SKILLS Back-End Programming Languages: PHP, Golang, Java, TS Frameworks: Laravel, Gin, Spring Databases: MySQL, PostgresSQL, Big
Vue
React
MySQL
Unemployed
Ready to interview
Taiwan
Part-time / Remote Only
4-6 years
CICCC - Cornerstone International Community College of Canada
Avatar of Chia An, Liu.
Avatar of Chia An, Liu.
Past
User Experience Designer @Sainsbury's
2023 ~ 2024
UI/UX Designer
Within one month
Chia An, Liu UIUX Designer Loughborough, UK I am a UI/UX designer with over four years of experience, specializing in user-centered research, digital product design, and usability testing. My expertise spans retail, e-commerce, and service design, with a strong background in creating scalable design systems and enhancing user experiences. I played a key role in redesigning the FamilyMart app, improving usability and contributing to a 4.7-star App Store rating. With a passion for innovation and data-driven design, I am eager to bring my skills to craft intuitive and engaging
Photoshop
Figma
Sketch
Unemployed
Ready to interview
Taiwan・United Kingdom
Full-time / Interested in working remotely
4-6 years
Loughborough University
User Experience Design
Avatar of Husein Putra Widya P.
Avatar of Husein Putra Widya P.
Past
Back End Programmer @WEBARQ
2022 ~ 2024
Software Engineer / Backend Engineer
Within one month
performance and reliability. .NET Programmer • PT. Rembon Karya Digital JulJan 2022 Responsible for developing web or desktop-based applications, including internal applications and websites. Identifies and resolves various levels of bugs in existing web applications to enhance performance and reliability. Develops Microservices architecture to create scalable, modular, and efficient applications that support business needs. Junior Programmer • PT. Lattice Teknologi Mandiri JulDesember 2018 Completed a 6-month internship as a Web Developer, gaining hands-on experience in developing and maintaining web applications. Pendidikan Universitas Binaniaga Indonesia Bachelor's Degree, Informatics GPA 3.
Microsoft Office
Development
Team Work
Unemployed
Ready to interview
Indonesia・Australia
Full-time / Interested in working remotely
4-6 years
Universitas Binaniaga Indonesia
information Systems
Avatar of Tsuneo Yamamura.
Avatar of Tsuneo Yamamura.
Senior 3D Software Engineer @Upwork as a Freelancer
2025 ~ Present
Software Engineer
Within one month
Senior 3D Software Engineer Upwork as a Freelancer Highly skilled WebGL and Three.js Specialist with over 7 years of experience delivering cutting-edge 3D web applications and immersive interactive experiences. Additionally, 5 years of expertise in Full Stack Development ensures the ability to design, build, and optimize scalable, robust, and high-performance solutions tailored to diverse client needs. NovDec 2024 Taipei, Taiwan 3D Software Engineer Grid Dynamics - Led the development of complex 3D web applications, leveraging React, Next.js, and WebGL technologies. - Built scalable full-stack solutions with Node.js and MongoDB to
React.js
Babylon.js
Docker
Employed
Ready to interview
United States
Full-time / Remote Only
4-6 years
Kyiv Polytechnic Institute (KPI)
Computer science
Avatar of the user.
Avatar of the user.
Software Engineer @群聯電子股份有限公司(Phison Electronics Corp)
2022 ~ Present
Software Engineer
Within one month
c++
python
linux
Employed
Ready to interview
Taiwan
Full-time / Interested in working remotely
6-10 years
National Central University
Master of Science in Computer Science & Information Engineering
Avatar of the user.
Avatar of the user.
Senior Project Manager & Scrum Master @AIFT (OneDegree)
2021 ~ Present
Project Manager
Within one month
adobe xd
MS SQL / MySQL
Project Management
Employed
Ready to interview
Taiwan
Full-time / Interested in working remotely
6-10 years
國立成功大學
海洋事務與科技

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Within one month
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