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CTO, Senior Full Stack Dev | RoR and Js/Typescript Expert | Remote

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Senior software engineer with over 10 years of experience as a remote freelancer. My educational background includes an MSc 2:1 in computer science and applied mathematics engineering from ENSEEIHT (Toulouse, France) in 2009. I then worked for 2 years as a frontend developer at a startup in London and transitioned to backend work in 2013. Specializing in web application development, I have undertaken projects for companies such as Carrefour, L'Oréal, Cocolis, Epicery, and Alerti. My work has encompassed backend development, data engineering, code and database performance improvement, e-commerce platform customization and logistics, payment system integration, API creation, crawlers, technical documentation, and testing. Passionate about data manipulation and rendering them to users and stakeholders in a more meaningful way, I am currently expanding my skills in AI/ML and neural networks through CNRS fidle formation to explore how I could apply and offer these services to my clients. Recent milestones and accomplishments include: Migrating the payment system from Adyen to Stripe for Epicery Migrating the frontend from Vue to Hotwire for Epicery Developing a geolocalized matching algorithm between carriers and packages for Cocolis Fields of expertise: E-commerce solutions with Solidus/Spree open-source framework Data processing and visualization with Business Intelligence tools for reporting Integration of payment system providers Integration of third-party APIs Database design and performance optimization Frontend performance optimization Crawling and scraping Technical audits Testing, documentation, CI/CD tools Experience with the following: Languages: Ruby, Typescript, JavaScript, Node.js, Ruby on Rails Platforms: AWS, Google Cloud Platform, Render, Heroku Frontend: React, Vue.js, Hotwire, Angular, HTML/CSS, Alpine.js, HTMX, Astro Payment providers: Stripe, Mangopay, Adyen, PayPal Data viz: Amazon QuickSight, Superset, Tableau Backend tools: Solidus open-source e-commerce solution, New Relic, Elasticsearch, PostgreSQL, Amazon S3, etc. CI/CD Tools: GitHub CI, CircleCI Fluent in French, English, and Spanish.

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8 years experience | Looking for contract work

High response rate
Recently updated

Hi! I'm Liz 👋🏼 I'm about as full-stack 🥞 as they come. I started as a QA and automation engineer and now I'm a senior full-stack engineer focusing on Rails and React. Early on as a QA I worked on projects from writing SQL scripts to check data, to automation engineering, to React Native applications, and even helping implement Kafka instances and a team transition to Kubernetes. Then I moved on to development, mostly focusing on Rails / React stacks. I also am very comfortable working in Python. Now I've been a full stack developer for a few years, always carrying my QA mindset with me. I love exploring the ins and outs of a problem, and figuring out where I can pick it apart and expose weaknesses. I'm really great at building relationships with stakeholders, establishing trust and cooperation so that we can all move forward with a project in a very pragmatic way. Pairing with coworkers is always very enjoyable for me. I like the collaboration, but I really value the mentorship the most. Teaching juniors git has become a mainstay for me, as well as coaching them to maintain a calm mindset while debugging, encouraging them to move through issues in a systematic way. And of course I always fit in robust testing, showing folks how to create test suites and pipeline automation that will improve their workflow. Let's talk about how I can contribute to your team and stack 🙌🏻

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Extensive experience in Ruby on Rails, Heroku, Docker. Expertise in Engineering Management.

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My journey in the world of software development has been marked by continuous growth and a passion for solving complex challenges. I've evolved from a Lecturer in web development to a Tech Lead Software Engineer, gaining expertise in various areas along the way. A significant milestone in my career was my role as a Senior Backend Developer / DevOps at Webedia GmbH. There, I not only mastered Ruby on Rails but also improved and configured recommendation systems, elevating user experiences to new heights. In another role as a DevOps / Platform Engineer at anynines, I excelled in automated PaaS management and introduced microservices architecture using Ruby and Golang. My knack for system automation and PaaS application support contributed significantly to the organization's efficiency. Throughout my journey, I've embraced cloud infrastructure, DevOps practices, and leadership roles. My unique skills lie in bridging the gap between development, infrastructure, and system automation, enabling me to tackle challenges that others may find daunting. I'm not just a developer; I'm an innovator who thrives on continuous learning and finding creative solutions in the ever-evolving landscape of technology. With 15+ years of industry experience, I have a proven track record in leading large teams, designing innovative systems, and making significant contributions to the industry. I am well-equipped to set and direct departments and contribute substantially to any challenging projects.

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Experienced software engineer with a proven track record in high-growth environments, specializing in Ruby on Rails, JavaScript, and database management, adept at leading teams and more.

I’ve always been interested in building (and taking things apart) ever since a young age. LEGO is probably a pretty reasonable starting point, as I am sure many of us have experienced. There’s nothing really that compares to the feeling of seeing something in your imagination and making it come to life in the physical (or virtual) world. The entire process of iteration, trying new things and observing the results were quite formative to my development when I was starting life. 

It’s been a goal of mine to never let that spark of curiosity die, fortunately I’ve been successful in the mission to continue approaching problems with the same curious intuition that drove me to try and figure out how and why something worked the way it did. No toy was safe, or anything really - I never limited my scope of “take this apart and figure out how it works” to toys. My dad (who is quite adept at figuring out how things work as well) helped foster and encourage that behavior - all sorts of electronic kits to poke at, observe, tinker with and most importantly - learn. I didn’t realize then in my pre-teen years that I was building a solid foundation to place a career on top of, I doubt I recognized that until much later, but before I realized that - a new “toy” had to come into my life. I was about the age of 10 or so when we finally got - the family computer. Immediately my world had changed, sure there were video games to play, but most interesting to me was the idea that I could create things on the computer. Between the early internet and the idea that I could create things to put onto “the internet” to share with others - I quickly became consumed by the idea of building things for the internet. As my career developed I eventually found Ruby on Rails and had my world completely changed, this was very early Ruby on Rails 3.0 and it was a breath of fresh air. The idea of covering common use cases and pitfalls out of the box and the idea of convention over configuration really clicked well with me. I was blown away with how effective we could be as a small team shipping features with Rails and Ruby. Ruby is a beautiful, readable language that is a dream to write code in. By contrast at the time PHP code felt archaic and messy. It was all in on Ruby on Rails for me. Throughout my career I’ve made a point to be proficient at being able to go between the technical side and the business side - whenever you’re developing software for a business you have to understand the business to keep the two sides aligned and heading in the same direction. I can help the business understand the benefits of technical initiatives and I can turn it around and put on my “business” hat when making decisions about the implementations.

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