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6-10 years
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Avatar of 曾敏昇.
Avatar of 曾敏昇.
Past
後端工程師 @Beyond Cars
2023 ~ 2023
後端工程師
Within one month
心比心】。 後端 & DevOps工程師 城市,TW MBTI人格測試結果 Skill Programming Language back-end Node.js(Typescript) (Expert) Python (Familiar) Go (Familiar) front-end React.js (Familiar) HTML(Familiar) CSS (Beginner) Database MySQL (Familiar) PostgreSQL (Familiar) Redis (Beginner) MongoDB (Beginner) Others DevOps 1. Cloud AWS CloudFront Route53 RDS SES EC2 S3 ECR ECS Fargate Codepipeline Amplify WAF(Web ACLs) CloudWatch CloudTrail Trusted Advisor SDK Azure LB Terraform 2. Server Nginx Docker Tools Git /SourceTree(GUI) Git Flow Agile (Scrum) Github/GitLab/Bitbucket/
MongoDB
MySQL
PostgreSQL
Unemployed
Ready to interview
Full-time / Interested in working remotely
6-10 years
輔仁大學
工商心理學
Avatar of the user.
Avatar of the user.
senior software engineer/ tenical pm @CYTENA BPS
2021 ~ Present
後端工程師
Within one month
MySQL
Microservices
MongoDB
Employed
Ready to interview
Full-time / Interested in working remotely
6-10 years
國立台灣大學 (National Taiwan University, NTU)
Electronic engineering
Avatar of Eddie Chiang.
Avatar of Eddie Chiang.
DBA @旺淶科技有限公司
2023 ~ Present
程式工程師、後端工程師、DBA
Within one month
Eddie Chiang Database Administrator 擅長語法調教及表結構設計,對mysql架構及底層有一定程度理解,能快速掌握問題點並解決問題 Taipei City, Taiwan 工作經歷 十二月Present DBA 旺淶科技有限公司 管理Amazon Aurora、SingleStore 使用Python做資料搬移 特殊經歷 ・優化報表架構 八月十一月 2023 Database Administrator Paradise Soft 管理MySQL,MongoDB
DBA
MySQL Database
MongoDB
Employed
Ready to interview
Full-time / Interested in working remotely
4-6 years
中臺科技大學
資料庫管理, 物件導向程式設計
Avatar of the user.
Avatar of the user.
Past
Front End Developer @Open Agent
2017 ~ 2019
Front-End / Back-End / Full Stack Web Developer
Within two months
Node.js / Express.js
MySQL Database
MongoDB / mongoose
Unemployed
Ready to interview
Full-time / Remote Only
6-10 years
Victoria University
Computer Science
Avatar of 范思良.
Avatar of 范思良.
資深主任工程師 @長青資訊
2017 ~ Present
資深工程師
Within one month
and performance. Database Management: Relational Databases : Skilled in managing MySQL databases, with a focus on optimizing database designs through efficient schema creation. Experienced in enhancing query performance using indexing strategies and ensuring data integrity via comprehensive transaction management mechanisms. NoSQL Databases : Extensive experience with NoSQL databases, especially MongoDB, leveraging its flexible schema for rapid development and scaling. Knowledgeable in utilizing document-oriented storage principles for dynamic content management. Data Modeling & Migration : Expertise in ORM tools like GORM for Go, ensuring seamless data integration and migration strategies. Competent in designing data models that effectively reflect
golang
MySQL
Docker
Employed
Ready to interview
Full-time / Interested in working remotely
6-10 years
勤益科技大學
軟體工程
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Avatar of the user.
資深襄理/Software Developer @遠東國際商業銀行
2022 ~ Present
Software Engineer / Backend Engineer
Within one month
MSSQL
Redis
Vue.js
Employed
Ready to interview
Full-time / Interested in working remotely
6-10 years
龍華科技大學
電子工程
Avatar of Ch'iyuang Tseng.
Avatar of Ch'iyuang Tseng.
Past
Software Engineer @iKala
2020 ~ 2023
Software Engineer
Within one month
Chiyuang Tseng Chiyuang [email protected] Skills Programming language: Go, Python, C++ Developing tool: Linux, Git, Docker, Kubernetes, Postman Databases: MySQL, Redis, MongoDB, Firestore, BigQuery Cloud: GCP(Kubernetes Engine, BigQuery, CloudSQL, Cloud Storage, Pub/Sub), AWS(SES, SNS) Others: Nginx, ELK stack, RESTful API, Swagger Experience FebDec 2023 Senior Software Engineer, iKala(CDP) OctJan 2023 Software Engineer, iKala(CDP) Designed and implemented an URL shortener for event tracking Designed and implemented IAM module of CDP Responsible for 3rd party API integrations, includes Google Ads, AWS SES&SNS, Newsleopard(email), MAAC(LINE messaging provider), and EVERY8D
golang
Python
Shell Script
Unemployed
Ready to interview
Full-time / Interested in working remotely
4-6 years
台灣大學
計算機科學
Avatar of 宋浩茹 Ellie Sung.
AI工程師、機器學習工程師、深度學習工程師、資料科學家、Machine Learning Engineer、Deep Learning Engineer、Data Scientist
Within one month
宋浩茹 Hao-Ru Sung| [email protected] | LinkedIn | GitHub A s a Research Assistant at Academia Sinica , specializing in Generative AI research and application. With 3 + years of experience in NLP a nd Machine Learning , along with 4+ years in Backend Development . Proficient at translating complex theories into practical applications. Skills Languages: Python, R, SQL, MATLAB, C, C#, JavaScript, Node.js Software & Tools: PyTorch, PyTorch Lightning, Tensorflow, Scikit-Learn, NLTK , GCP, Linux, SQL / NoSQ , Pandas, Hugging Face, Gradio, LangChain, Tensorflow, Keras, FastAPI, OpenCV, Airflow
Python
R
Natural Language Processing (NLP)
Employed
Ready to interview
Full-time / Interested in working remotely
4-6 years
國立政治大學(National Chengchi University)
資訊科學系
Avatar of Erick Diaz.
Avatar of Erick Diaz.
Past
Desarrollador web @Apuestanweb
2022 ~ Present
Desarrollador backend
Within one month
Erick Diaz Desarrollador Full Stack apasionado y altamente capacitado, me especializo en la creación de soluciones web completas y eficientes utilizando tecnologías como WordPress, Next.js, React.js, Go y PHP. Mi experiencia abarca desde el diseño y desarrollo de interfaces de usuario interactivas hasta la implementación de lógica de servidor robusta. Contacto https://www.linkedin.com/in/[email protected] Habilidades Wordpress Nextjs Nodejs Mysql MongoDB Php Javascript Go Typescript Experiencia laboral Desarrollador web • Apuestanweb febreromayo 2023 tema WordPress desarrollado en php Desarrollador web • Freelance. eneroPresent
NextJS
WordPress
go
Unemployed
Ready to interview
Part-time / Remote Only
6-10 years
INCES
Desarrollo de páginas web, contenido digital/multimedia y recursos informáticos
Avatar of 吳涵林.
Avatar of 吳涵林.
Past
PHP Developer @飛資得資訊股份有限公司
2023 ~ 2024
php後端工程師
Within one month
for Game Platform PHP Developer • 阿物科技股份有限公司 一月十二月 2021 | Taipei, Taiwan 商品推薦API 公司 API 專案的 PHP 開發維護工程師 開發資料庫有 Mysql, Elasticsearch, MongoDB, Neo4j 主要使用框架 Laravel 為主開發 (其中也有 CI) 使用 Docker 環境 PHP FPM 7.2~7.4 (依照專案切換) Recommandation API System PHP Developer • 中佑集團 三月十月
PHP Laravel Framework
PHPUnit
MariaDB / MySQL 資料庫設計、管理
Unemployed
Ready to interview
Full-time / Remote Only
6-10 years
Asia-Pacific International University
Computer and Information Systems Security/Information Assurance

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Within one year
Lead Backend Engineer @ Arconsis
Logo of Arconsis.
Arconsis
2021 ~ Present
Greece
Professional Background
Current status
Employed
Job Search Progress
Professions
Full Stack Development
Fields of Employment
Work experience
6-10 years
Management
I've had experience in managing 15+ people
Skills
JavaScript
Node.js
AngularJS
Express.js
Couchbase Server
Couchbase
AWS
digitalocean
ES6
Swift
IOS
Redis
Heroku
HTML5
CSS
Mocha
chai
TTD
React.js
Redux
golang
TypeScript
Event Driven Architectures
Microservice Architecture
Google Cloud Platform
PostgreSQL
GraphQL/Apollo
Apache Kafka
Serverless
OAuth2.0
kotlin
Quarkus
Kafka
Typescript
NestJS
Hibernate
PostgresSQL
MongoDB
Google Cloud
Languages
Job search preferences
Positions
Full Stack Engineer
Job types
Full-time
Locations
Remote
Remote Only
Freelance
Yes, I'm currently a full-time freelancer
Educations
School
Aristotle University of Thessaloniki
Major
Master’s & Bachelor's Degree, Electrical and Computer Engineering
Print
X6p1helygxtgmme2avix

Dimos Botsaris

Lead Software Engineer. Co-founded @ 23'. I love JavaScript, Typescript and Rust, interested in DevOps and blockchain. Crazy about web and mobile applications, and blockchain.

Lead Software Engineer; Software Architect;
Thessaloníki, GR

[email protected]

+30 697 9083234



Experience


Lead Software Engineer; Software Architect; @Portals.fi, November 2022 - present

  • Responsibilities: Backend Development, Software Architecture, DevOps, Automated Testing, Code Review, CI/CD

  • Stack: Rust, Actix.rs, TypeScript, Node.js, PostgreSQL, NestJS, Redis, Kafka, KStreams, KSQL, Debezium, AWS, Docker, Kubernetes, Terraform, Blockchain, Serveless, Github Actions, Event-driven, Microservices

  • Tools: Git, Slack, 12 Factor


Main Projects Developed:

  1. Portals.fi API: A RESTful API, designed to process client requests for perfoming token swaps, liquidity aggregations, stake built using NestJS and Typescipt
  2. Portals.fi Blockchain Indexer: An ETL service for blockchain data to retrieve events, emit them via Kafka and store them in data warehouse, to be consumed by downstream services to calculate account balances, token's prices built using Rust.


Experiences 00 00@2x 504900dc09d82f711fdb54cf5763251cab5193a844856da978b2b8f3907ecd5a

Lead Software Engineer; Software Architect; @Arconsis, January 2021 - November 2022

  • Responsibilities: Backend Development, Frontend Development, Software Architecture, DevOps, Automated Testing, Code Review, CI/CD

  • Stack: JavaScript, TypeScript, Node.js, Kotlin, Quarkus, PostgreSQL, Hibernate, Redis, Kafka, KStreams, KSQL, Debezium, AWS, Amazon EC2, Amazon VPC, Amazon Lambda, Amazon API Gateway, Amazon SQS, Amazon SNS, Amazon EKS, Docker, Kubernetes, Terraform, Mocha, Chai, Sinon, Jenkins, Microservices, OAuth2.0

  • Tools: Git, Slack, 12 Factor


Main Projects Developed:

  1. Adidas Retail API:  A RESTful API for Adidas which works as BFF API Gateway to handle requests from new Adidas retail app (native app used on Adidas retail stores), handling authentication / authorization, built on Quarkus, Kotlin, PostgreSQL, AWS, Kafka, Docker, Kubernetes.
  2. Adidas Checkout API: Enriched Adidas checkout API to support payments for Adidas Retail app, using terminals via Adyen built on Node.js, PostgreSQL, AWS, Docker, Kubernetes.


Experiences 00 00@2x 504900dc09d82f711fdb54cf5763251cab5193a844856da978b2b8f3907ecd5a

Lead Backend Engineer; Software Architect; @Limbic AI, January 2019 - January 2021

  • Responsibilities: Backend Development, Frontend Development, Software Architecture, DevOps, Automated Testing, Code Review, CI/CD

  • Stack: JavaScript, TypeScript, Node.js, ExpressJS, React.js, GraphQL, Apollo, PostgreSQL, Redis, Apache Kafka, AWS, Amazon VPC, Amazon ECS, Amazon EC2, Amazon Fargate, Amazon SNS, Amazon API Gateway, Amazon Lambda, Amazon Kinesis, Amazon DynamoDB, Amazon Redshift, Docker, Terraform, Serveless, Puppetter, Heroku, Mocha, Chai, Sinon, Supertest, Karma, Jasmine, CircleCI, Github Actions, Papertrail, Sentry, Instana, Event-driven, Microservices, OAuth2.0

  • Tools: Git, Slack, 12 Factor


Main Projects Developed:

The back-end architecture is built using microservices, using API Gateway pattern and event driven as internal communication.

  1. Limbic API GW A GraphQL API which works as API Gateway to handle requests from dashboards and mobile apps and route them to Limbic microservices built on Node.js, ExpressJS, Apollo, PostgreSQL, AWS, Docker.
  2. Dashboard: Parts of the Limbic therapist's dashboard built on React.js and Apollo which is being used to analyse all data collected via patient mobile app, make it easy to identify patterns in thoughts, feelings and behaviour.
  3. Real-Time Streaming Data API : A real time API to collect data from mobile apps like accelerometry, heartbeat, location and gestures, process them using AWS Kinesis and store them to AWS S3 / Redshift and AWS DynamoDB to analyze further.
  4. NHS API Gateway : A RESTful API which works as gateway to handle requests to register patients for IAPT / NHS services.
  5. Microservices Node.js services and and FaaS (built on Amazon Lambda) to analyze collected data, predict human emotion, send push-notifications to clients, handle user's authentication / authorization, using event driven as internal communication, in order to build a scalable emotion tracking system via continuous physiological signals from consumer wearables and support the main API.



Experiences 00 00@2x 504900dc09d82f711fdb54cf5763251cab5193a844856da978b2b8f3907ecd5a

Lead Software Engineer @ Socius, February 2016 - January 2019

  • Responsibilities: Backend Development, Frontend Development, Software Architecture, DevOps, Automated Testing, Code Review, CI/CD

  • Stack: JavaScript, Node.js, ExpressJS, React.js, Redux, AngularJS, Golang, GraphQL, Apollo, PostgreSQL, Couchbase Server, Redis, Socket.IO, Google Cloud, Google Cloud Pubsub, Google Cloud Functions, AWS, AWS SNS, AWS Lambda, Serveless, RabbitMQ, BigQuery, Docker, Auth0, Mocha, Chai, Sinon, Supertest, Gulp, Grunt, Karma, Jasmine, TravisCI, Papertrail, Sentry, New Relic, Event-driven, Microservices,

  • Tools: Jira, Git, Slack, 12 Factor, Google Material Design, Mixpanel, GA


Main Projects Developed:

The back-end architecture is built using micro services, using API Gateway pattern and event driven as internal communication.

  1. SoLo API GW: A RESTful API to advertise with top national and local news sites as easily as promoting a post on Facebook, built on Node.js, ExpressJS, PostgreSQL, Google Cloud, Docker.
  2. SoLo Dashboard: The SoLo customer's dashboard is being used to create an advertisement with one click from your Facebook page, developed with ReactJs and Redux.
  3. SoLo Microservices : Independent components and FaaS using Google Cloud Functions, built on Node.js and Golang to handle customer's payments, push notifications, user's authentication and support API and using Gcloud PubSub as internal communication.
  4. CDA API GW : A GraphQL API, built on Node.js, ExpressJS, Couchbase, Docker, Redis and AWS to work as API Gateway and route the requests from CDA Dashboard to CDA micro services.
  5. CDA Dashboard : The customer's dashboard developed with AngularJS.
  6. CDA Microservices : Node.js services and FaaS using Amazon Lambda to collect data from social network based on tags, analyze them, create a steady stream of content online, and push it to customer's page.



Experiences 00 00@2x 504900dc09d82f711fdb54cf5763251cab5193a844856da978b2b8f3907ecd5a

Freelancer Full Stack Engineer @ Wetaxi, January 2015 - February 2016

  • Responsibilities: Backend Development, Frontend Development, Software Architecture, DevOps, Code Review

  • Stack: JavaScript, Node.js, ExpressJS, AngularJS, MongoDB, Redis, AWS, DigitalOcean, Mocha, Chai, Sinon, Supertest, Angular Material, Gulp, Karma, Jasmine, CircleCI, Papertrail, New Relic, Stripe, Paypal

  • Tools: Jira, 12 Factor, Google Material Design, Git, Mixpanel, GA

Main Projects Developed:
  1. Wetaxi API: Wetaxi RESTful API to support dashboard to the closest taxi and book a ride, built on Node.js, ExpressJS, MongoDB, Redis, and AWS.
  2. Wetaxi Dashboard: The Wetaxi customer dashboard to book a taxi ride developed with AngularJS.
  3. Wetaxi Checkout API: Wetaxi API to handle user's payments when books a taxi ride, built on Node.js, ExpressJS, MongoDB, Redis, Stripe and AWS.


Experiences 00 00@2x 504900dc09d82f711fdb54cf5763251cab5193a844856da978b2b8f3907ecd5a

Full Stack Engineer; Co-Founder @ 23', September 2014 - April 2017


  • Responsibilities: Backend Development, Frontend Development, Software DevOps, iOS Application, UI/UX Design, Landing Page, Web Prototype, Business Development
  • Stack: JavaScript, Swift, iOS, Node.js, ExpressJS, AngularJS, MongoDB, Redis, Socket.IO, AWS, Heroku, Memcached, RabbitMQ, Docker, Mixpanel, Polymer
  • Tools: Sublime, Xcode, 12 Factor, Google Material Design, Apple Human Interface Guidelines, Jira, Git


Main Projects Developed:

  1. Web Prototype: 23' web application prototype (SPA), built on AngularJS.
  2. iOS Application: 23' iOS app, developed using Swift.
  3. API: A Node.js API to handle requests from mobile apps, built with Node.js and ExpressJS, served at Heroku.
  4. Chat server: A Node.js socket.io implementation, in conjunction with Redis, serving as the chat service for the app users.



Experiences 00 01@2x 6daa47d1df70d315f129dcecdd562003831581c4cdd8f9c819aa22d4a24ae150

Full Stack Engineer @CERTH - ITI, December 2013 - September 2014


  • Responsibilities: Backend Development, Frontend Development, Software Architecture, Embedded Systems Architecture, UI/UX Design
  • Stack: JavaScript, Node.js, ExpressJS, MongoDB, PhoneGap, Bootstrap, HTML5, CSS3, jQuery, Embedded C, Microcontrollers, Arduino
  • Tools: Sublime, 12 Factor


Main Projects Developed:

  1. Participation in "ECOBUILDING" program: Occupant Aware Optimization of Energy Efficient Enterprise Buildings. My main responsibility was to perceive the state of the environment using sensors and Kinect cameras and act upon the environment using device controllers and micro controllers. ( http://www.iti.gr/iti/projects/ECOBUILDING.html)
  2. Participation in "IPv_Park" program: Occupant Aware Optimization of Energy Efficient Enterprise Buildings. My main responsibility was to perceive the state of the environment using sensors and Kinect cameras and act upon the environment using device controllers and micro controllers. ( http://www.iti.gr/iti/projects/ECOBUILDING.html)
  3. School Bus Android application development: Bus driver dynamic navigation, Real-time notifications for drivers and guardians, Real-time bus observation provided to the guardian.



Experiences 00 01@2x 6daa47d1df70d315f129dcecdd562003831581c4cdd8f9c819aa22d4a24ae150

Side Projects

Projects 00 00@2x 25de285f43c486b5a0ddc099900a08387ad7a27243b9ba95b25d3665ee9775ae

throw-http-errors

Npm module to create custom errors for HTTP status codes.

Source code
Projects 00 01@2x 5659ae1046a29c3ededd36e4a50b2c0f0c26b5fd7152a5d1cc138de803a81cbf

couchbase-server-promises 

An npm module that wraps couchbase's callbacks for handling the result of the asynchronous operations, to provide a promise-based interface.

Source code
Projects 00 02@2x fe789c7495428f4bddd216a44a8d0d12ce13fbeed0f26e9c9f2fa6c5fb4b5cc2

network-avatar-picker

An open source library that returns a user's profile image depending on the network.

Source code


Education

Master’s & Bachelor's Degree, Electrical and Computer Engineering, September 2006 - July 2013 

Aristotle University of Thessaloniki


  • Specialization in: Software Engineering, Computer Architecture, Computer Networks, Data Structures, Databases, Parallel and Distributed Systems, Electric Circuits, Automatic Control Systems 
  • Master Thesis: Construction of a USB device for measuring magnetic fields with Hall sensors. Grade: 10/10, Professor: Dr. Litsardakis Georgios

Experiences 00 01@2x 6daa47d1df70d315f129dcecdd562003831581c4cdd8f9c819aa22d4a24ae150


Skills


Basics

Object-Oriented Design, Clean Architecture, Design patterns, Agile Methodology, Scrum, BDD, TDD, REST, Unix/Linux, Computer Networks, TCP/IP, SQL


Languages

JavaScript, TypeScript, Rust, Kotlin, Go, Terraform, C


Platforms/Frameworks

Node.js, ExpressJS, iOS, React.js, Redux, AngularJS, Quarkus, Gin, Actix.rs


Operations

Docker, AWS, Google Cloud, Heroku, 12 Factor, Serverless


UI/UX

Google Material Design, Apple Human Interface Guidelines


Business Decisions

Mixpanel, GA, A/B Testing


Languages


Greek

Mother Tongue


English

C2 Level


Certificate of Proficiency in English (Cambridge University)


German

C1

Resume
Profile
X6p1helygxtgmme2avix

Dimos Botsaris

Lead Software Engineer. Co-founded @ 23'. I love JavaScript, Typescript and Rust, interested in DevOps and blockchain. Crazy about web and mobile applications, and blockchain.

Lead Software Engineer; Software Architect;
Thessaloníki, GR

[email protected]

+30 697 9083234



Experience


Lead Software Engineer; Software Architect; @Portals.fi, November 2022 - present

  • Responsibilities: Backend Development, Software Architecture, DevOps, Automated Testing, Code Review, CI/CD

  • Stack: Rust, Actix.rs, TypeScript, Node.js, PostgreSQL, NestJS, Redis, Kafka, KStreams, KSQL, Debezium, AWS, Docker, Kubernetes, Terraform, Blockchain, Serveless, Github Actions, Event-driven, Microservices

  • Tools: Git, Slack, 12 Factor


Main Projects Developed:

  1. Portals.fi API: A RESTful API, designed to process client requests for perfoming token swaps, liquidity aggregations, stake built using NestJS and Typescipt
  2. Portals.fi Blockchain Indexer: An ETL service for blockchain data to retrieve events, emit them via Kafka and store them in data warehouse, to be consumed by downstream services to calculate account balances, token's prices built using Rust.


Experiences 00 00@2x 504900dc09d82f711fdb54cf5763251cab5193a844856da978b2b8f3907ecd5a

Lead Software Engineer; Software Architect; @Arconsis, January 2021 - November 2022

  • Responsibilities: Backend Development, Frontend Development, Software Architecture, DevOps, Automated Testing, Code Review, CI/CD

  • Stack: JavaScript, TypeScript, Node.js, Kotlin, Quarkus, PostgreSQL, Hibernate, Redis, Kafka, KStreams, KSQL, Debezium, AWS, Amazon EC2, Amazon VPC, Amazon Lambda, Amazon API Gateway, Amazon SQS, Amazon SNS, Amazon EKS, Docker, Kubernetes, Terraform, Mocha, Chai, Sinon, Jenkins, Microservices, OAuth2.0

  • Tools: Git, Slack, 12 Factor


Main Projects Developed:

  1. Adidas Retail API:  A RESTful API for Adidas which works as BFF API Gateway to handle requests from new Adidas retail app (native app used on Adidas retail stores), handling authentication / authorization, built on Quarkus, Kotlin, PostgreSQL, AWS, Kafka, Docker, Kubernetes.
  2. Adidas Checkout API: Enriched Adidas checkout API to support payments for Adidas Retail app, using terminals via Adyen built on Node.js, PostgreSQL, AWS, Docker, Kubernetes.


Experiences 00 00@2x 504900dc09d82f711fdb54cf5763251cab5193a844856da978b2b8f3907ecd5a

Lead Backend Engineer; Software Architect; @Limbic AI, January 2019 - January 2021

  • Responsibilities: Backend Development, Frontend Development, Software Architecture, DevOps, Automated Testing, Code Review, CI/CD

  • Stack: JavaScript, TypeScript, Node.js, ExpressJS, React.js, GraphQL, Apollo, PostgreSQL, Redis, Apache Kafka, AWS, Amazon VPC, Amazon ECS, Amazon EC2, Amazon Fargate, Amazon SNS, Amazon API Gateway, Amazon Lambda, Amazon Kinesis, Amazon DynamoDB, Amazon Redshift, Docker, Terraform, Serveless, Puppetter, Heroku, Mocha, Chai, Sinon, Supertest, Karma, Jasmine, CircleCI, Github Actions, Papertrail, Sentry, Instana, Event-driven, Microservices, OAuth2.0

  • Tools: Git, Slack, 12 Factor


Main Projects Developed:

The back-end architecture is built using microservices, using API Gateway pattern and event driven as internal communication.

  1. Limbic API GW A GraphQL API which works as API Gateway to handle requests from dashboards and mobile apps and route them to Limbic microservices built on Node.js, ExpressJS, Apollo, PostgreSQL, AWS, Docker.
  2. Dashboard: Parts of the Limbic therapist's dashboard built on React.js and Apollo which is being used to analyse all data collected via patient mobile app, make it easy to identify patterns in thoughts, feelings and behaviour.
  3. Real-Time Streaming Data API : A real time API to collect data from mobile apps like accelerometry, heartbeat, location and gestures, process them using AWS Kinesis and store them to AWS S3 / Redshift and AWS DynamoDB to analyze further.
  4. NHS API Gateway : A RESTful API which works as gateway to handle requests to register patients for IAPT / NHS services.
  5. Microservices Node.js services and and FaaS (built on Amazon Lambda) to analyze collected data, predict human emotion, send push-notifications to clients, handle user's authentication / authorization, using event driven as internal communication, in order to build a scalable emotion tracking system via continuous physiological signals from consumer wearables and support the main API.



Experiences 00 00@2x 504900dc09d82f711fdb54cf5763251cab5193a844856da978b2b8f3907ecd5a

Lead Software Engineer @ Socius, February 2016 - January 2019

  • Responsibilities: Backend Development, Frontend Development, Software Architecture, DevOps, Automated Testing, Code Review, CI/CD

  • Stack: JavaScript, Node.js, ExpressJS, React.js, Redux, AngularJS, Golang, GraphQL, Apollo, PostgreSQL, Couchbase Server, Redis, Socket.IO, Google Cloud, Google Cloud Pubsub, Google Cloud Functions, AWS, AWS SNS, AWS Lambda, Serveless, RabbitMQ, BigQuery, Docker, Auth0, Mocha, Chai, Sinon, Supertest, Gulp, Grunt, Karma, Jasmine, TravisCI, Papertrail, Sentry, New Relic, Event-driven, Microservices,

  • Tools: Jira, Git, Slack, 12 Factor, Google Material Design, Mixpanel, GA


Main Projects Developed:

The back-end architecture is built using micro services, using API Gateway pattern and event driven as internal communication.

  1. SoLo API GW: A RESTful API to advertise with top national and local news sites as easily as promoting a post on Facebook, built on Node.js, ExpressJS, PostgreSQL, Google Cloud, Docker.
  2. SoLo Dashboard: The SoLo customer's dashboard is being used to create an advertisement with one click from your Facebook page, developed with ReactJs and Redux.
  3. SoLo Microservices : Independent components and FaaS using Google Cloud Functions, built on Node.js and Golang to handle customer's payments, push notifications, user's authentication and support API and using Gcloud PubSub as internal communication.
  4. CDA API GW : A GraphQL API, built on Node.js, ExpressJS, Couchbase, Docker, Redis and AWS to work as API Gateway and route the requests from CDA Dashboard to CDA micro services.
  5. CDA Dashboard : The customer's dashboard developed with AngularJS.
  6. CDA Microservices : Node.js services and FaaS using Amazon Lambda to collect data from social network based on tags, analyze them, create a steady stream of content online, and push it to customer's page.



Experiences 00 00@2x 504900dc09d82f711fdb54cf5763251cab5193a844856da978b2b8f3907ecd5a

Freelancer Full Stack Engineer @ Wetaxi, January 2015 - February 2016

  • Responsibilities: Backend Development, Frontend Development, Software Architecture, DevOps, Code Review

  • Stack: JavaScript, Node.js, ExpressJS, AngularJS, MongoDB, Redis, AWS, DigitalOcean, Mocha, Chai, Sinon, Supertest, Angular Material, Gulp, Karma, Jasmine, CircleCI, Papertrail, New Relic, Stripe, Paypal

  • Tools: Jira, 12 Factor, Google Material Design, Git, Mixpanel, GA

Main Projects Developed:
  1. Wetaxi API: Wetaxi RESTful API to support dashboard to the closest taxi and book a ride, built on Node.js, ExpressJS, MongoDB, Redis, and AWS.
  2. Wetaxi Dashboard: The Wetaxi customer dashboard to book a taxi ride developed with AngularJS.
  3. Wetaxi Checkout API: Wetaxi API to handle user's payments when books a taxi ride, built on Node.js, ExpressJS, MongoDB, Redis, Stripe and AWS.


Experiences 00 00@2x 504900dc09d82f711fdb54cf5763251cab5193a844856da978b2b8f3907ecd5a

Full Stack Engineer; Co-Founder @ 23', September 2014 - April 2017


  • Responsibilities: Backend Development, Frontend Development, Software DevOps, iOS Application, UI/UX Design, Landing Page, Web Prototype, Business Development
  • Stack: JavaScript, Swift, iOS, Node.js, ExpressJS, AngularJS, MongoDB, Redis, Socket.IO, AWS, Heroku, Memcached, RabbitMQ, Docker, Mixpanel, Polymer
  • Tools: Sublime, Xcode, 12 Factor, Google Material Design, Apple Human Interface Guidelines, Jira, Git


Main Projects Developed:

  1. Web Prototype: 23' web application prototype (SPA), built on AngularJS.
  2. iOS Application: 23' iOS app, developed using Swift.
  3. API: A Node.js API to handle requests from mobile apps, built with Node.js and ExpressJS, served at Heroku.
  4. Chat server: A Node.js socket.io implementation, in conjunction with Redis, serving as the chat service for the app users.



Experiences 00 01@2x 6daa47d1df70d315f129dcecdd562003831581c4cdd8f9c819aa22d4a24ae150

Full Stack Engineer @CERTH - ITI, December 2013 - September 2014


  • Responsibilities: Backend Development, Frontend Development, Software Architecture, Embedded Systems Architecture, UI/UX Design
  • Stack: JavaScript, Node.js, ExpressJS, MongoDB, PhoneGap, Bootstrap, HTML5, CSS3, jQuery, Embedded C, Microcontrollers, Arduino
  • Tools: Sublime, 12 Factor


Main Projects Developed:

  1. Participation in "ECOBUILDING" program: Occupant Aware Optimization of Energy Efficient Enterprise Buildings. My main responsibility was to perceive the state of the environment using sensors and Kinect cameras and act upon the environment using device controllers and micro controllers. ( http://www.iti.gr/iti/projects/ECOBUILDING.html)
  2. Participation in "IPv_Park" program: Occupant Aware Optimization of Energy Efficient Enterprise Buildings. My main responsibility was to perceive the state of the environment using sensors and Kinect cameras and act upon the environment using device controllers and micro controllers. ( http://www.iti.gr/iti/projects/ECOBUILDING.html)
  3. School Bus Android application development: Bus driver dynamic navigation, Real-time notifications for drivers and guardians, Real-time bus observation provided to the guardian.



Experiences 00 01@2x 6daa47d1df70d315f129dcecdd562003831581c4cdd8f9c819aa22d4a24ae150

Side Projects

Projects 00 00@2x 25de285f43c486b5a0ddc099900a08387ad7a27243b9ba95b25d3665ee9775ae

throw-http-errors

Npm module to create custom errors for HTTP status codes.

Source code
Projects 00 01@2x 5659ae1046a29c3ededd36e4a50b2c0f0c26b5fd7152a5d1cc138de803a81cbf

couchbase-server-promises 

An npm module that wraps couchbase's callbacks for handling the result of the asynchronous operations, to provide a promise-based interface.

Source code
Projects 00 02@2x fe789c7495428f4bddd216a44a8d0d12ce13fbeed0f26e9c9f2fa6c5fb4b5cc2

network-avatar-picker

An open source library that returns a user's profile image depending on the network.

Source code


Education

Master’s & Bachelor's Degree, Electrical and Computer Engineering, September 2006 - July 2013 

Aristotle University of Thessaloniki


  • Specialization in: Software Engineering, Computer Architecture, Computer Networks, Data Structures, Databases, Parallel and Distributed Systems, Electric Circuits, Automatic Control Systems 
  • Master Thesis: Construction of a USB device for measuring magnetic fields with Hall sensors. Grade: 10/10, Professor: Dr. Litsardakis Georgios

Experiences 00 01@2x 6daa47d1df70d315f129dcecdd562003831581c4cdd8f9c819aa22d4a24ae150


Skills


Basics

Object-Oriented Design, Clean Architecture, Design patterns, Agile Methodology, Scrum, BDD, TDD, REST, Unix/Linux, Computer Networks, TCP/IP, SQL


Languages

JavaScript, TypeScript, Rust, Kotlin, Go, Terraform, C


Platforms/Frameworks

Node.js, ExpressJS, iOS, React.js, Redux, AngularJS, Quarkus, Gin, Actix.rs


Operations

Docker, AWS, Google Cloud, Heroku, 12 Factor, Serverless


UI/UX

Google Material Design, Apple Human Interface Guidelines


Business Decisions

Mixpanel, GA, A/B Testing


Languages


Greek

Mother Tongue


English

C2 Level


Certificate of Proficiency in English (Cambridge University)


German

C1