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Robert M.

Boston, Massachusetts

$60/hr
5.0
15 jobs

I am a software engineer with experience working on large-scale infrastructural projects in the public sector and life science spaces. I especially enjoy working with high volumes of data and creating aesthetic visualizations of that data. Some highlights from my career include: —Working across the MBTA's stack to serve public transit data to riders. I worked on the website, the API, and the backend program that generates GTFS (public transit) data from many, many inputs. —Designing and testing the MBTA's data warehouse. We adopted a "Data Lakehouse" approach built on AWS EC2 instances and automated with Glue. —Creating multiprocessing libraries for GIS specialists, allowing them to run ArcPy tools up to 6x faster despite locked geodatabases. —Creating visualizations for Takeda scientists that allowed them to monitor the status of their experiments in real time based on LabKey data. Technologies of choice: ThreeJS, React Three Fiber, D3, Django, Godot. My go-to pattern is a Django REST Framework backend connected to a React-driven frontend. I also recommend elixir (for distributed applications that cannot be allowed to fail) and Rust (for applications that must run *fast*). My languages include: English (native), French (B2), Spanish (B1), German (A2) In a past life I was a writer, hence my previous projects on this platform.

  • Email Marketing Strategy
  • Inbound Marketing
  • Content Writing
  • Search Engine Optimization
  • Copywriting
  • Business Writing
  • Social Media Ad Campaign
  • Creative Writing
  • Web Analytics
Martin V.

Decatur, Georgia

$80/hr
5.0
18 jobs

[Web development] From single-dev A-to-Z projects to collaborations within larger teams. Experienced Elixir/Phoenix/LiveView/PostgreSQL developer + multiple React/JS projects. Specialized in custom data visualizations including GIS (Mapbox, Leaflet,...). Expert in D3 and charting libraries (Chart, Highchart,...). [Data Science] Data collection, cleaning, visualization, and analysis. Expert in R and Shiny, proficient in Python. Experience in Statistical Analysis, Machine Learning, and AI.

  • Elixir
  • Web Development
  • Python
  • R
  • D3.js
  • JavaScript
  • Data Visualization
  • Data Science
  • Leaflet
  • R Shiny
  • React
  • GIS
  • PostgreSQL
  • Django
  • Phoenix Web Framework
Daniel A.

Closter, New Jersey

$120/hr
4.7
37 jobs

I’m a New York City based software engineer and consultant. As an engineer, I’ve worked on the launch of a household name streaming service, put satellite internet on ships and airplanes, build video streaming educational platforms, developed web frontends for medical devices, and worked on iOS native video streaming applications. I’m also a Certified Scrum Developer, CSPO, CSM, LeSS-certified practitioner. I have successful experiences as a team manager, scrum master, and coach.

  • Final Cut Pro
  • Videography
  • JavaScript
  • PSD to WordPress
  • Static Site Generator
  • PSD to HTML
  • HTML5
  • Video Production
  • Video Editing
  • WordPress
Conrad S.

Baton Rouge, Louisiana

$70/hr
5.0
8 jobs

👋 Hi, I'm Conrad, a seasoned Software Engineer specializing in crafting exceptional web applications on a contract basis. With over 5 years of hands-on experience, I've honed my skills and expertise to deliver top-notch solutions that meet and exceed client expectations. 🚀 My primary focus lies in developing robust and scalable web applications leveraging the expressive Elixir programming language in conjunction with the robust Phoenix framework. This winning combination allows me to create efficient, real-time systems that are both reliable and high-performing. 💻 In addition to my proficiency in Elixir and Phoenix, I bring a wealth of experience in Javascript, React, and various other JavaScript frameworks. This versatility enables me to navigate diverse tech stacks seamlessly, ensuring a holistic approach to web development. 🌐 Throughout my career, I've had the privilege of contributing to a range of projects, from small-scale startups to established global enterprises. One of my key strengths is translating complex requirements into elegant, user-friendly solutions that stand the test of time. 🔧 Whether it's building a feature-rich web application from scratch or optimizing existing code for performance, I thrive on challenges that push my creative and problem-solving boundaries. 📈 My commitment is not just to write code but to craft digital experiences that make a tangible impact. I believe in staying at the forefront of technological advancements to provide clients with cutting-edge solutions that position them for success. 📬 Ready to elevate your web development projects? Let's connect and discuss how my skills and experience can bring your vision to life!

  • Elixir
  • Phoenix
  • SQL
  • ExpressJS
  • CSS
  • MongoDB
  • HTML
  • Bootstrap
  • JavaScript
  • Node.js
  • React
  • PostgreSQL
  • SCSS
  • jQuery
  • React Native
Volodymyr Z.

Mountain View, California

$90/hr
5.0
8 jobs

I'm a Full-stack Web Developer with 15+ years of experience in tech. My experience in the following platforms, languages and technologies: - TypeScript, JavaScript - NodeJS, NestJS - Java - PHP (Symphony, Laravel, CodeIgniter) - React, Next.JS, Redux, Vue - ElectronJS - MySQL, MariaDB, MongoDB - PostgreSQL - GraphQL - SSO, Auth0, OAuth, Keycloak - Webpack, jQuery, Bootstrap, CSS3, HTML5 - Docker - Git, Hg, SVN - Dev-ops Docker, Grafana, Kafka, Elastic, Linux administration (Ubuntu, Debian, Gentoo, CentOS, From Scratch). - Managing VM As a bonus has the experience and ability to work with - C++, C, Shell About Me Last time participated in the development of a huge time tracking system. My responsibilities included the creation of modular architecture on microservice, creating a client desktop app, web control panel with reports, billing, etc., integration with the company CRM, API for external apps or services. During this period I realized a lot of successful online projects, that are working well. Many of them specialize in Node.js, ElectronJS, Symphony, Laravel, CodeIgniter, React, Vue, WordPress, Opencart, REST, SOAP, Stock Market API, E-Commerce development. My main services are the development of websites and web applications, customization of existing projects, bug fixing, code, and databases optimization, project management, as well as technical support and consultations. Always keep in touch according to the work I did because I prefer long-term relationships with my clients!

  • Web Development
  • Vue.js
  • CodeIgniter
  • TypeScript
  • MySQL
  • CSS
  • PHP
  • GraphQL
  • Laravel
  • JavaScript
  • Symfony
  • React
  • Node.js
  • Electron
Michellion N.

Los Angeles, California

$80/hr
4.9
9 jobs

‪Mike is a full-stack Ruby on Rails developer based in Los Angeles.‬ ‪With 10 years in web development and 6+ years experience in Ruby on Rails, he worked as a lead engineer in several enterprise-level startups for the last a few years. He loves to work with backend and API while he's good in modern JavaScript libraries like React, Angular, and Vue.

  • Elixir
  • Docker
  • Heroku
  • Ruby on Rails
  • React
  • React Native
  • DevOps
  • AngularJS
  • RSpec
  • Vue.js

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