Software Engineer Web Developer

Social networks

TECHNICAL SKILLS

Programming

Javascript (Node.js, Typescript),

Python, Ruby, Golang, PHP, Elm,

Elixir, F#, Haskell, C#

Frameworks

Express, Django, Flask, Rails, Iris,

Phoenix, Laravel, Vue, React/Redux •

Mobx, Angular, Stencil,React Native

Database

PostgreSQL, MongoDB, MySQL,

CassandraDB, DynamoDB, CouchDB

Cloud Environments

AWS, GCP, Azure

CI/CD

Travis, Jenkins, AWS CodePipeline

Containerization

Kubernetes, Docker

Machine Learning

Scikit-learn, Keras, Tensorflow,

OpenCV

Languages

English

****.******@*****.***

Warsaw, Poland

github.com/MineMe0812

Julian CHEN

Software Engineer Full-Stack Web Developer

10 years of experience working in the various successful web and mobile applications development. Spearheaded development efforts in lead roles to help startups(incl. Messly, Trustcors Systems) land successful fundraising rounds. Continuously learning new technologies and keeping up-to-date with the latest technologies of Web and AI.

Proven ability in building REST APIs, Single Page Applications, SEO improvement, Blockch network, and AI based application.

Education

PROFESSIONAL EXPERIENCE

03/2008 - 06/2012

Warsaw University of Technology

Warsaw, Poland

Bachelor of Engineering

09/2021 - 04/2022

LANISTAR

United Kingdom

Full Stack Developer

Designed and implemented the custom support portal for Lanistar 200k active users using Node, Vue.

Contributed significantly to the development of Lanistar REST Proxy API server in Node that serves the customer-facing mobile app. Collaborated with distributed team members in various time zones. Built internal tool to automate QA and monitoring of core API service. Vue, Node.js, Typescript, ASP.Net, PostgreSQL, Docker, Git 04/2019 - 08/2021

MESSLY

United Kingdom

Senior Software Engineer Full Stack Developer Blockchain Developer Take the main responsibility of UK doctors Jobs board development with working closely with theproduct team.

Contributed significantly to the development of additional REST API endpoints.

Supported other people in the team to learn Elm by providing code review. Planed and executed SEO strategy of the SPA; significantly increased organic search traffic.

Worked directly with CTO to assist server migration with setup new CI/CD pipeline.

Developed a blockchain network from scratch specialized in storing UK doctors’ information(ID, Reference, etc).

Elm, React Node.js, Typescript, Python, Tendermint, Blockchain, PHP, PostgreSQL DockerAWS, CodePipeline, Git

PROFESSIONAL EXPERIENCE

10/2017 - 04/2019

TRUSTCORS SYSTEMS

Remote

Software Engineer Mobile Developer

Worked closely with distributed team members to develop real-time audio/video chat mobile appsuntil successful beta launch to iOS/Android app stores.

Identified and resolved performance bottlenecks in various screens when they had a huge list.

Provided support to the web Single Page Application improvement and new functionality implementation.

Supported the development of backend APIs serving WS connections React Native, React, Redux, Redux Saga, Golang, ElasticSearch, CassandraDB, Swift, Kotlin, Fastlane, TrelloGit

08/2016 - 03/2018

SHUTTERSTOCK

Singapore

Software Engineer Computer Vision AI/ML/DL

Worked as project-based contractor for their experimental project. This position had many roles incl. Software Developer, CV engineer, DevOps. Structured and developed a website provides free high-quality images & videos to drive traffic into Shutterstock official website eventually. Designed and implemented AWS pipeline that performs image processing and video transcoding.

Worked with Computer Vision, Deep Learning technologies to solve real- time image/video analytic and processing(image classification, celebrity recognition, etc).

Worked closely with product manager to deploy & maintain the production server with 99.9% uptime

Python, Django, Keras, Tensorflow, OpenCV, Image Classification, Human Face Recognition, AWS, Fabric, Trello,Git

09/2013 - 03/2016

SINOCOM SOFTWARE GROUP

Hong Kong

Software Engineer

SinoCom Software Group is a large company that offers IT solutions to well- known private and public companies. It provided me consistent access to quality project opportunities from international companies.Software development and programming tasks that I took responsibility, include : Responsible for spearheading teams that handled the software development life cycle for 10 client projects, end to end. Built modern web applications, microservices, Web Services (incl. REST/SOAP) and mobile applications with industry best practices. Introduced a new CI/CD pipeline and updated the scripts as necessary to improve existing CI practices.

Node, Python Ruby on Rails, Golang, F#, Laravel, Angular, React, React Native, DynamoDB, PostgreSQL, Nginx, Jira, Git

PROJECTS

FREESTOCK

FREESTOCK

Freestock is a library that provides free, high-quality photos, vectors, and videos. Most of their images come from Shutterstocksince it is under the Shutterstock flagship. Under the hood, image analysis and image processing are running using Keras,

Python, and ML models. I was the sole developer who built this from end-to-end

(incl. computer vision processing)

Python, OpenCV, Keras, TensorFlow, Image Classification, Face Recognition MESSLY JOBS

MESSLY

Messly Jobs focuses on helping UK doctors land their dream jobs in healthcare. I joined the development team at thebeginning, and I worked as the lead developer at Messly. We used Elm - functional programming language for the front-end, which ensured no run-time exceptions and made the overall development process quite enjoyable.

Elm, Typescript, Python, PostgreSQL, Docker, Bash Gitlab CI/CD, AWS Fargate MSGSAFE.IO

MSGSAFE.IO

MsgSafe.io is a privacy-focused email service with audio/video chat functionalities based in one of the most secure jurisdictions in the world. Callkit integrated to enable call features in mobile devices. An interesting thing we achieved was thatalmost 30% of the codebase is shared between mobile and web apps; made possible with Javascript and Redux.

React, Native Redux, Callkit, Swift, Java, Golang, CassandraDB, Fastlane

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