Hire director / personal freelance Ruby on Rails developers in India

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CTO | Engineering Management | Rails developer (12+ years) | Sidekiq | RabbitMQ | Hotwire, Stimulus and Turbo | AWS | GCP | Terraform

I’m a Rails developer with over 12 years of experience in software development, including 10+ years working hands-on with Ruby on Rails. Along the way, I’ve built all kinds of applications—automation tools, ERPs, inventory management systems, insurtech platforms, social media apps, and even AI-integrated solutions. I’ve always focused on creating large-scale, high-performance apps that can handle thousands of concurrent records without breaking a sweat. I’ve worked with both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases, making sure they’re set up for speed and scalability. On the backend, I’m well-versed in Sidekiq and RabbitMQ for background processing, and on the frontend, I use tools like Hotwire, Turbo, and Stimulus to make apps fast and interactive. When it comes to deployment, I’ve got plenty of experience with Google Cloud, AWS, and Fly.io, which lets me build infrastructure that’s as reliable as it is scalable. The recent apps I've developed have included AI integration with OpenAI and Anthropic APIs. At present, I'm also setting up an internal LLM for speeding up software development. What makes me stand out? I code fast. Really fast. I’m great at taking an idea from zero to a fully functioning app in just days, without cutting corners on quality. Having worked in Asia and Europe, I’ve learned how to adapt to different clients and challenges, which helps me deliver exactly what’s needed, every time. Recently, I co-founded my own software consulting firm, where I get to use my skills and experience to help businesses grow and succeed. Outside of coding, I’m passionate about dogs, I love solving crosswords, and I’m a bit of a political nerd. These hobbies keep my mind sharp and my creativity flowing, which is probably why I enjoy tackling complex coding challenges. I know Ruby and Rails inside out, and I thrive on turning big ideas into reality—quickly and efficiently. If you need someone who can hit the ground running and deliver results, I’m your developer.

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Versatile engineer bridging AI and human needs

With 9 years of engineering excellence across diverse domains, I've mastered the art of transforming complex challenges into elegant technological solutions. As the creator and maintainer of the Solid Queue Monitor gem(https://rubygems.org/gems/solidqueuemonitor) —a zero-dependency monitoring solution for Rails background jobs—I've demonstrated my commitment to improving developer tooling in the Ruby ecosystem. In my current role as a Staff Engineer at Torch.io, a coaching platform trusted by industry giants like Stripe, LinkedIn, Airbnb, and TripAdvisor, I've revolutionized support systems by implementing OpenAI's GPT-3.5 for email automation, reducing manual intervention by 48%. I've also leveraged AWS Bedrock with Claude 3.7 to generate organizational insights reports, improving decision-making efficiency by 40%. My technical versatility spans the full spectrum of development—from crafting robust backends with Ruby, Go, and Python to building responsive frontends with React, Angular, and TypeScript. I've engineered large-scale data applications handling 5+ million active users and orchestrated seamless migrations of 4.5 million records while maintaining system integrity. Throughout my career, I've delivered impactful solutions across multiple domains—enhancing FinTech security protocols, optimizing CMS performance, and elevating coaching platforms. This domain versatility, combined with my technical depth and AI integration expertise, allows me to bring a unique perspective to every project and consistently deliver transformative results.

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Rails Consultant with AI experience

High response rate

Seasoned Rails consultant with 8+ years of experience. From MVPs to products with millions of users. Self-driven and easy to manage. I can provide up to 6 hours of overlap with the US timezone and full overlap with EU/UK time zones. Remote: Global, OnSite: India/Middle East/Asia. Some Interesting Complex Problems Solved AI integrations using voice models, openAI, and random forests. Video/audio freeze detection: Used openCV to detect if a video is in a frozen state with more than 99% accuracy CoBrowsing: Created CoBrowsing feature for a customer service app that allows to take control of a customer's browser without using any plugins except this JS CoBrowsing widget code. Server management platform: An internal dashboard for a client that allows users to control thousands of servers and field devices scattered across the globe. It allows the users to execute scripts on those servers, configure, provision, web-based SSH, etc. Common Freelance Gigs Performance optimizations of Rails, PostgreSQL, and Sidekiq: Helped multiple clients to scale Rails Upgrades Legacy modernization: Helping legacy Rails applications to modernize the stack, including the front end. For example, Recently, I helped convert CoffeeScript/AngularJS 1.0 to JS/Vue. Third-party integrations. Skills: Ruby on Rails PostgreSQL React Stimulus TypeScript JavaScript GraphQL Server - Ruby GraphQL Client - Apollo CI/CD (CircleCI, Jenkins) Heroku

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I'm a full-stack software engineer with more than six years of professional experience developing web and mobile applications for small and large-scale businesses through effective global remote collaborations.

My latest work experience is at one of the largest online food delivery platforms, where I worked on backend systems that millions of customers use daily. Here are some of my recent achievements: Help reduce the waiting time of couriers at the pick-up stores by more than 15 minutes, develop geofencing controlled pick-up, business order notifications, and 3D secure verification bypass into the order processing workflow on MRSOOL. Improve the quality of courier service and help generate monthly recurring revenue by developing a penalty module that charges couriers a fee for challenges they brought about, for example, delayed delivery, wrong orders, missed items, etc. Refactor a large codebase using best practices and modern techniques to improve the response time on APIs by up to 22 seconds. 💼 I look forward to joining a highly collaborative, multicultural, and fast-paced environment that fosters growth and feedback and where egos don't have a place in the workplace. ⚽ I am an ardent supporter of Arsenal and the English Premier League, and you will usually find me on the weekend catching football games. 🛠️ Ruby on Rails | Ruby | RSpec | Sidekiq | Node | Express | MySQL | PostgreSQL | HTML | CSS | React | REST | Third party API Integration | Docker | GIT | GitHub | Asynchronous work | Written communication | Cross-cultural Collaboration | Virtual Collaboration Please send me an email 📬: yusif.badmus@gmail.com Schedule a one-on-one meeting: https://calendly.com/ybadmus

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Ruby on Rails Full-stack web developer

Hello, I'm 30 years old. I'm living in Rio de Janeiro - Brazil with my mother. I have a degree in Civil Engineering. During the course, I did an Engineering internship where I piloted the company's drone. Then, I had the opportunity to go on an exchange program in the United States for 6 months to improve my English. Arriving back in Brazil, I moved to another state to work as a planning analyst. At the beginning of last year, I decided that I wanted to change my life, so I took a Web Development full stack course in Ruby on Rails at Le Wagon. During the course, I learned several tools such as JavaScript, HTML, CSS, SQL and Ruby on Rails, but I also learned how to work in a group, dividing tasks and, mainly, asking questions when necessary. It was an intense course in which I pushed my limits to overcome the Programming barriers. At the end of the course, I was invited by the manager to be part of Le Wagon's Ruby on Rails teaching team. I was very excited about this opportunity, as I was the only student to have this privilege. I started working as a teacher in the following month, giving some classes, helping students with their questions regarding the challenges, and at the end, supporting the students' final projects, which is to develop a complete website in Rails. 5 months later, I joined the team of teachers at Le Wagon Amsterdam. It was a unique experience working with people from different cultures and different accents, but, in the end, I was highly praised by everyone. Today I am looking for a job within a company where I can grow not only professionally, but also personally, a place that challenges me with new projects that will make me leave my comfort zone, because right now, as a teacher, I am reviewing a lot of concepts. I want to really explore the entire realm of Programming. I hope I can talk a little more about myself soon. Thank you so much.

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