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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 tools: 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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💪Have 9 Years in Ruby On Rails with 3+ years of Managing teams, have also worked as a CTO of a Startup that got Funded after that.

💪Have 9 Years in Ruby On Rails with 3+ years of Managing teams, have also worked as a CTO of a Startup that got Funded after that. Extra Experience with Large Language Models: • Open AI - Fine-Tuning • Open AI - Embedding (Search, Clustering, Recommendations, Anomaly detection, Diversity measurement, Classification) • Open AI - APIs. • Vector databases - Pinecone, PGvector • Langchain and LlamaIndex • Hotwire, Turbo and Stimulus JS • Creating Scalable applications with Database Architecture • Setting Server and Language side Securities. • Dispatch Optimisation Model - Maps • Action Cable • GraphQL • Docker Images, Containers, Volume, Compose, etc • JWT tokens • RSpec in BDD and TDD environments • Optimising APIs • Implement Libraries and data storage solutions • Identify bugs and propose an efficient solution • Managing Teams 💪Experience on 3rd party Integrations: • Payment gateway : Stripe Connect, PayPal, Square, Paytm, RazerPay, PayU, Payfort, Paytabs, Hyperpay, few local African payments Gateways, Mobile App- Orange-Vodafone (Congo) etc • Insurance APIs: Medgulf, UBI, Taunia • Government APIs: ELM, Yakeen, WASL, CITC • Identity Verification APIs: ELM & Yakeen • Google APIs: Maps, Firebase • SMS Gateways: Twilio, Firebase, Unifonic, etc 💪Extended Experience on : • Action Cable, • Testing Gems, • GraphQL • Security Gems, etc • Hotwire, Turbo and Stimulus JS 💪Have experience on AWS: • EC2 Service and EC2 Instances • EC2 and ELB for AWS Architects • Elastic Beanstalk • Lambdas and API Gateway • with VPC and Subnet • S3 • ElastiCache • SQS, SNS, and MQ • CloudFront • Route 53 • DevOps, etc 💪Testing Gems: 🌟Rspec (mainly) ⭐Factory_girl ⭐cucumber-rails ⭐Capybara 🏆Code Documentations: Confluence Tools to project/ticket management — Trello/Asana/Pivotal/Github, etc Industries i have worked with: ✅Real Estate ✅Fintech ✅Law and Logistics ✅Health & Fitness ✅Edtech ✅E-Commerce ✅Retail ✅E-Game ✅Saloon and SPA Instead, let's jump on an 😎 Initial 10-minute call so we can cover your project and decide how my development skillset will work best for you and your project. 🥇What extra we can give for the project: 😎We have 100 Devs in these languages and designers with Devops, AI and ML 🏆Please check on Github with Account : TecOrb Technologies 😎What Skills we can offer: ✅ Front-end: Javascript, Typescript, Angular, React.js, Bootstrap, Tailwind CSS. ✅ Back-end: Node.js, Python, Ruby. ✅ Database: MySQL, PostgreSQL, MongoDB, Redis, Elasticsearch. ✅ Mobile: Swift, Java android, Kotlin, Dart “Flutter." ✅ CMS: Wordpress. ✅ UX/UI: Adobe XD, Figma. ✅ Devops ✅ AI and ML

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