招聘 c-level 自由职业 Ruby on Rails 开发者

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, Spanish.

Hi, my name is Daniel and I am an entrepreneur with a passion for all things web and tech. I have over 12 years of experience in the industry, working as a CTO, head of product, and full-stack developer. I have been a technical co-founded and scaled Wayleadr to a $25M+ tech company. Throughout my career, I have been involved in multiple startups and have gained a wealth of experience in building SaaS, B2B, B2C products and services. As a skilled full-stack developer, I am proficient in a range of front-end and backend technologies and have a strong understanding of the latest web technologies and trends. I am also an experienced UI and UX designer, with a keen eye for detail and a passion for creating intuitive and engaging user experiences. Whether I am leading a team or working on a solo project, I am always looking for new challenges and opportunities to grow and learn. I am driven by the desire to create innovative and impactful products that make a difference in people’s lives. Checkout my LinkedIn & my website for more. I look forward to talking with you.

Hi there, I discovered Rails before it was mainstream and have been in love with it ever since. I've now been doing Rails development for over 20 years and worked in many industries including banking, health care, parks and recreation, travel and real estate among others.

Experienced Software Engineer with a demonstrated history of working in the Information Technology & Services Industry. Skilled in User Behavior and Data Analytics, Digital Marketing on various platforms, automation creation and custom business solutions, business and process documentation writing, and an E-Commerce developer. Strong, well rounded business professional graduated from University of Arkansas at Little Rock.

💪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

Hi, with 7+ years of experience as a Ruby on Rails and full stack developer, I excel in building dynamic and scalable web applications. My expertise spans across a range of JavaScript frameworks, including ReactJS, NextJS, NodeJS, NuxtJS, and VueJS. I combine my strong backend skills with modern frontend technologies to deliver seamless, high-performance solutions My journey started with a keen interest in technology and quickly evolved into working on complex projects. Recently, I led a team to build a scalable microservices-based application, which enhanced both user experience and performance. I’m also exploring serverless technologies, like AWS Lambda, to improve application efficiency. What makes me stand out is my ability to handle both frontend and backend development, solve tough problems, and create user-friendly solutions. My diverse skills and hands-on experience make me a strong addition to any development team. Let’s build something great together!

I've been a software engineer and leader for 18 years, with a focus on Ruby on Rails for the last 13. Over the last 5 years, my expertise has centered around mobile apps, with React Native or Swift frontend work, along with Rails API. In my side projects I'm developing my use of Hotwire and Hotwire-Native. Since 2016, I've fluctuated between individual contributor and managing people and teams. I generally prefer Individual or player-coach roles, and am not pursuing pure hands-off management. I see myself as the ultimate full-stack engineer. I'm comfortable working backend, web, mobile, as well as CI/CD, cloud infrastructure, and devSecOps. Although I prefer Rails and React Native, I'm a polyglot and have recently worked in PHP Laravel, Java Swing, Django and FastApi in Python. I'm happy to work in these platforms, and I'll always advocate for the right tools for the job.

My name is Maximiliano Ustria, and I have more than 6 years of experience in the industry, working with a diverse range of clients from loan-granting companies to education websites and food deliveries. Throughout my career, I have worked extensively with Ruby and Ruby on Rails, from Rails 4 up to Rails 7. I have also gained proficiency in various databases such as MySQL, Postgres, and Redis. My daily use of Git and Agile methodologies has allowed me to deliver high-quality code while collaborating effectively with my team. As a proponent of testing, I use Rspec and aim to apply TDD whenever possible. Additionally, my experience with continuous integration tools such as GitHub Actions, Circle CI, Docker, Kubernetes, Datadog, and Sentry, among others, enables me to maintain code quality throughout the development lifecycle. Currently, I work as a tech lead, where I have been able to improve my soft skills and management skills. I am an eager learner who is passionate about my work and strives to deliver my best on every project I undertake.

Senior developer, interim and fractional CTO, generalist. Front-end, mobile and back-end work, from tiny MVPs to efficient, scalable services. Focus on frontend work in React and building features that solve real pains for real people. Entrepreneurial leaning, and experience in building first-version products and prototypes. Open source contributions across all kinds of projects, including Rails and Elixir. Excited about fanning the flame of real inspired work, high energy teams and making a difference.

Results-driven Ruby on Rails Developer with 8 years of experience in full-stack software development, testing, and agile project management. Adept at designing, developing, and deploying scalable web applications in dynamic, fast-paced environments. A proactive problem-solver and critical thinker, skilled in collaborating with cross-functional teams to deliver high-quality solutions on time and within scope. Known for quickly adapting to new technologies and business needs, and committed to meeting or exceeding objectives while driving continuous improvement. Strong communicator with a focus on delivering results that align with both technical and business goals. You can contact me on dulayaustin@gmail.com