Top 50+ Ruby on Rails companies

We’re Noventra Solutions, a software and technology solutions provider helping startups, SMEs, and growing SaaS companies build reliable, scalable, and secure software systems. Our work spans full-stack web applications, backend systems, APIs, integrations, and data-driven platforms. Some clients come to us with an early idea that needs to become a production-ready MVP. Others come with existing systems that need to be stabilized, scaled, or modernized. We’re comfortable with both. We don’t just implement requirements blindly. We ask the right questions, identify technical risks early, and design systems that make sense both technically and commercially. Our focus is long-term maintainability, performance, and clean architecture not short-term hacks. ---------- What We Help Clients With ★ Full-stack web development Custom web applications, dashboards, admin panels, portals, and SaaS platforms built for real-world use and long-term growth. ★ Backend & API development (core strength) Robust backend systems including APIs, service layers, database design, third-party integrations, and overall system architecture. ★ SaaS & MVP development MVPs designed to grow into production-ready products — not throwaway demos. We focus on the right scope, clean foundations, and future scalability. ★ Integrations & automation Payment systems (Stripe, Bambora), third-party APIs, background jobs, reporting workflows, PDF generation, and operational automation. ★ Frontend development Clean, modern, and maintainable user interfaces using React, TypeScript, and modern frontend engineering practices. ---------- Technologies We Work With ★ Back-end Ruby on Rails, Node.js, service-based architectures ★ Front-end React, TypeScript, Next.js ★ Databases PostgreSQL, MySQL, MongoDB ★ APIs & Architecture REST APIs, service-oriented and API-first systems ★ Payments Stripe, Bambora ★ Real-time Systems WebSockets, live updates, real-time tracking ★ Cloud & DevOps Scalable, production-ready deployments, environment management, and system reliability --------- Our Approach to Technology We’re not locked into a single stack. We choose technologies based on your product requirements, budget, timeline, and long-term growth plan not personal preference. That flexibility allows us to design systems that are maintainable, scalable, and cost-effective over time.

skills -android app development -desktop application development -website development work experience: 10 years in android application development Interest -software development -app development

We're AIJOHN, part of the Estoras Group of Companies - a dedicated development team building production-grade web, mobile, and AI-powered applications. Our developers come from India's top engineering institutes (IIT/NIT). 🔷 CORE CAPABILITIES: ✅ Ruby on Rails backend development ✅ React.js web applications ✅ Native & Cross-platform mobile apps (iOS/Android) ✅ AI/ML integration & custom solutions ✅ AWS cloud infrastructure & DevOps ✅ PostgreSQL database architecture 🔷 AI/ML EXPERTISE: - LLM integration (GPT, Claude, custom models) - AI-powered features for existing apps - Intelligent automation & chatbots - Data analysis & predictive models - Computer vision solutions 🔷 WHAT WE BUILD: - Web Applications (SaaS platforms, B2B tools, dashboards) - Mobile Apps (React Native, Flutter, or native iOS/Android) - AI-Enhanced Products (intelligent search, recommendations, automation) - MVP to Production (full lifecycle development) 🔷 WHY CHOOSE AIJOHN: - Part of Estoras Group - established & reliable - Stable team working together for 3+ years (not random contractors) - End-to-end development: design → development → deployment → maintenance - Direct communication with technical founders - Experience building complex platforms from scratch to scale 🔷 IDEAL PROJECTS: - SaaS MVP development (8-12 weeks to launch) - Mobile app development (iOS/Android) - Adding AI features to existing products - Modernizing legacy Rails applications - AWS infrastructure & DevOps - Long-term development partnerships 🔷 PARTNERSHIP MODEL: We prefer working on retainer/long-term contracts but welcome well-defined project work. As part of Estoras Group, we bring enterprise-level reliability to every engagement. 📍 Time zone: IST (flexible for US/EU/Canada client calls) 🌐 Part of Estoras Group, Canada

Backed by decades of experience in IT services We build custom software for startups, small to medium and large business. We have over 15 years of industry experience in developing web and mobile applications for various industry sectors. Ruby on Rails | React Native | React JS | AWS | NodeJS Aviation | EdTech | E-Commerce | Social | Food | Music & Entertainment

We are a software development agency delivering modern web, mobile, and engineering solutions for startups, growing businesses, and enterprise clients. We have 13+ years of experience on the international market and have delivered 90+ projects across industries such as Fintech, Edtech, E-commerce, construction real estate-tech, AI, and immersive technologies (AR/VR). Many of our clients work with us long-term — over 85% return with new projects, and 91% come by recommendation. Our team works with projects of different complexity: from MVPs and early-stage startups to large-scale corporate platforms and internal systems. We are comfortable dealing with legacy code, complex business logic, integrations, and long-term product support. We don’t disappear after delivery and stay involved after launch. We help clients launch products faster, scale existing systems, and build reliable digital infrastructure with a strong focus on business outcomes.

My name is Carter De Angelis, and I'm a full-stack developer with 20+ years of experience. I'm based in Scottsdale, AZ, and, as you might expect, I'm fluent in English. I have developed websites, web apps, smart contracts, new blockchain networks, web3 dapps, AI automation, and native iPhone and iPad apps for startups, Fortune 100 companies (including Microsoft, Cisco, Oracle, Ford, and Lincoln Motor Group), and everything in between. My clients make hundreds of millions of dollars a year, and several of them have had exits in the mid-hundreds of millions. I also specialize in taking business ideas from initial concept to production. I can conduct one or two meetings with a client to develop user stories and prioritize them into MVP, V2, V3, etc. Additionally, I can create wireframes, visual designs, and code them using industry-standard code. Most of my clients have worked with me for 7+ years, so once they hire me, most stick with me. 🖥️ Projects I've built: 💠 Peer-to-peer marketplaces (like Airbnb) 💠 Fintech Apps 💠 Legal Case Management Apps 💠 Healthcare Apps 💠 Slack Apps 💠 MS Teams Integrations 💠 SMS/Phone Apps 💠 Blockchain Network/Smart Contracts 💠 DeFi, NFT, Metaverse, DEX, DAO 💠 Bidding Apps 💠 Scraping Tools 💠 LLMs with AI embeddings + model training 💠 AI workflows & Agentic Solutions 🛠️ Technologies I'm Proficient In: 💠 Frontend: React, Next.js, Remix, Angular, Sass, TailwindCSS, Radix UI, Chakra UI, Material UI, styled-components 💠 Backend: ExpressJS, NestJS, Ruby on Rails, Python (Django, Lang Chain), Golang, Solidity, Rust, .NET, Spring Boot 💠 Devops: AWS, Azure, GCP, Git, Jenkins, Docker, Kubernetes, Terraform, Puppet, Ansible, Grafana, Splunk 💠 Database: MySQL, MongoDB, PostgreSQL, Redis, Oracle ✨ My Ideal Projects 💠 New Apps 💠 New Features on Existing Apps 💠 Upgrading older apps' technologies (sometimes you get big speed gains, or cheaper server costs) 💠 OPtimizations for Speed/Accessibility/etc 💠 Bug Fixes (prefer complex ones)

We develop custom software with focus on functional websites and operational mobile apps. We are also open to developing for less if we can retain the rights

We’re a boutique consultancy with over 25 years of combined software engineering experience, and a deep passion for rethinking how businesses communicate. After decades building products, platforms, and complex systems, we found ourselves continually drawn to one area that had barely evolved: communication software. Legacy phone systems are rigid, inefficient, and painful for both customers and staff. We started this company to change that. Today, we design and engineer modern, AI-driven call experiences that replace outdated menus, reduce operational load, and make every interaction faster and more human. Our work is custom, collaborative, and grounded in technical depth.

Astechware is a product engineering studio that helps founders and startups turn AI ideas into real, production-ready systems. We specialize in Generative AI, autonomous agents, RAG pipelines, and workflow automation, building tools that do more than chat. Our solutions integrate AI directly into business operations, SaaS products, and internal tools, delivering measurable impact. Clients choose Astechware when they want: - AI systems that actually work in production, not experiments - End-to-end product engineering, from architecture to deployment - Scalable SaaS and automation platforms built to grow with their business What We Build 🤖 AI Systems & Automation • AI Agents & Agentic Workflows that autonomously perform tasks and integrate with APIs • Retrieval-Augmented Generation (RAG) Systems for querying private company data • Custom LLM integrations (OpenAI, Claude, Gemini, Llama, open-source models) • AI copilots for SaaS products and business workflows • Workflow automation connecting tools, CRMs, and databases 🧠 MVP & AI-Powered SaaS Platforms • MVPs designed to scale from day one • SaaS platforms with authentication, billing, dashboards, and roles • Codebases built for long-term maintainability and AI integration 💻 Web & Mobile Applications • Full-stack web apps and dashboards for AI products • Mobile-ready backend systems and APIs • API-first architecture for integrating AI services ⚙️ Integrations & Scaling • Stripe subscriptions and usage-based billing • CRM, analytics, and third-party API integrations • Performance optimization and feature expansion ☁️ Deployment & Cloud Infrastructure • Production deployments on AWS, Vercel, DigitalOcean • CI/CD pipelines for scalable, reliable AI applications • Secure, maintainable cloud infrastructure Why Founders Work With Us Clients often say: “The AI just works in production.” “We didn’t have to juggle multiple freelancers.” “The MVP scaled with our growth and didn’t need a rebuild.” At Astechware, we optimize for real business outcomes, AI systems, automation, and SaaS platforms that deliver ROI from day one. 💡 Looking to launch AI-powered software, autonomous agents, or scalable SaaS? Astechware is your end-to-end technical partner to design, build, and deploy reliable AI systems.

OrionaTech is a software engineering studio specializing in Ruby on Rails backend development, REST API design, React dashboards, and scalable SaaS applications. We help startups and small businesses build fast, reliable, and maintainable software with clean architecture and modern development practices. Our Expertise Ruby on Rails Development REST API Architecture React Admin Panels & Dashboards PostgreSQL, Redis, Sidekiq Third-Party API Integrations Authentication & Authorization SaaS Product Development Cloud Deployment (Render, Railway, AWS) Why Clients Choose Us ✔ Clean, scalable code ✔ Fast delivery ✔ Clear and consistent communication ✔ Strong backend engineering background ✔ Professional company workflow & documentation Let’s build something brilliant together.

We’re CodeCrackers — two senior software engineers with 18+ years of combined experience building fast, reliable, and scalable software. We specialize in full-stack Web, Mobile, and Backend development using Angular, React, React Native, Flutter, Node.js, Django, Rails, Prisma, and modern SQL/NoSQL databases. We focus on clean architecture, smooth communication, and predictable delivery. Whether you need a new product, an upgrade, or ongoing development support, we can handle the entire process end-to-end — from UI to backend, databases to deployment. CodeCrackers Members LinkedIn Profile: 1. Zebel-Al Tareq (10+ Years of experience) https://www.linkedin.com/in/zebel-al-tareq-6b244890/ 2. Arshid Nippon(8+ Years of experience) https://www.linkedin.com/in/arshid-nippon-095573152/

About Us Shriffle recognizes that tech demands continually fluctuate. We offer our clients ongoing tech consulting along with a comprehensive span of services to keep their companies thriving. Our Mission Shriffle helps businesses streamline their internal processes, offer an ideal customer experience, and elevate their digital presence. You’re a competitive business in the age of interconnectivity and a global marketplace. We give you the digital fuel to speed your growth and enhance the quality of every transaction. Our VISION We bring our clients a range of realistic pricing options depending on their needs at any given time. Whether you need a quick answer to a niche question, an immediate solution to a pressing logistical hurdle, or a detailed plan for a major long-term project, we are proud to be on hand as your partner and ally. Engagement Models Hiring Software Developers becomes easier with just a few clicks. User Icon Dedicated Developer/Teams Hire developers dedicatedly working for your project Outsourcing Icon Software Development Outsourcing Get custom solution built as per your requirement. Staff Icon Staff Augmentation Bridge the skill gap in your in-house team Generative AI Web3/Blockchain Software Engineering Application Development Quality Assurance Cloud SaaS Technologies Software Re-engineering Technical Consulting & Advisory Technical Support Helpdesk Outsourcing

KKRF Technologies Private Limited, widely recognized as KKRF Group, is a diversified, forward-thinking organization operating across multiple industries with technology at its core. Established with the vision of delivering world-class digital solutions and business innovation, KKRF Group has grown into a multi-sector entity offering services in Information Technology, Digital Transformation, Creative Services, Business Consulting, and Engineering Solutions. At KKRF Group, we combine industry expertise with a strong commitment to quality, innovation, and customer satisfaction. Our teams consist of skilled professionals specializing in software development, web & mobile application development, cloud solutions, AI-powered systems, UI/UX design, branding, marketing, cybersecurity, and enterprise digitalization. What We Do Technology & Software Development Custom software, mobile apps, web solutions, cloud integration, automation tools, and enterprise platforms tailored for global businesses. Digital Services & Creative Solutions UI/UX design, branding, digital marketing, content development, and multimedia design for businesses seeking modern digital presence. IT Infrastructure & Support Network setup, cloud migration, managed IT services, cybersecurity, and technical support to help organizations stay secure and scalable. Business & Strategy Consulting Process optimization, digital transformation consulting, workflow automation, and technology advisory for companies across sectors. Industrial & Engineering Support (If Applicable) Engineering design, project management solutions, and operational services depending on industry verticals. Our Strengths Multi-industry expertise under one group Delivery-oriented project management Scalable solutions for startups, SMEs, and enterprises Strong technical talent and experienced leadership Commitment to innovation, security, and transparency Our Vision To empower businesses through intelligent technology, creative innovation, and reliable service—helping them grow, transform, and lead in today’s digital era. Our Mission To deliver high-quality solutions across diverse industries and establish KKRF Group as a trusted global partner in technology, design, and business transformation.

I am an experienced Machine Learning Engineer and AI Integration specialist with a strong focus on Natural Language Processing (NLP) and Generative AI, combined with full stack development expertise in Ruby on Rails, React, Vue, and Chatwoot. I build intelligent AI-powered applications that automate workflows, enhance customer engagement, and deliver scalable SaaS solutions. ☑️Core Expertise ✅Machine Learning & NLP: Design and deploy advanced NLP models for conversational AI, sentiment analysis, entity recognition, and semantic search. Utilize frameworks such as SpaCy, Hugging Face Transformers, and fine-tuned large language models (LLMs) including GPT-4 and Claude 3.5 to develop chatbots and AI agents with natural language understanding and generation capabilities. ✅Generative AI & Large Language Models: Expert in prompt engineering, fine-tuning, and deploying generative AI models like OpenAI Codex and Retrieval-Augmented Generation (RAG) to create dynamic, context-aware conversational agents and virtual assistants. ✅AI Chatbots & Autonomous Agents: Develop multi-turn conversational AI chatbots and autonomous agents using no-code/low-code platforms such as Dialogflow CX, Microsoft Power Virtual Agents, IBM Watson Assistant, ManyChat, and Landbot. For custom solutions, leverage frameworks like Rasa, LangChain, and BotPress to build agentic AI with multi-modal (text, voice) capabilities. ✅Full Stack Development: Build scalable web applications with Ruby on Rails backend, and modern frontend frameworks React.js and Vue.js. Skilled in RESTful API and GraphQL design, state management (Redux, Vuex), server-side rendering (Next.js, Nuxt.js), and performance optimization. ✅Chatwoot Customization & Integration: Customize and extend Chatwoot, the open-source customer engagement platform, integrating AI chatbots and automating support workflows. Implement seamless CRM and messaging platform integrations to unify customer communications. ☑️Why Work With Me? --Proven ability to deliver AI chatbots and autonomous AI agents that reduce customer response times by up to 70% and increase engagement by 50%. --Expertise combining no-code/low-code AI platforms with custom AI engineering and full stack development for flexible, cost-effective solutions. --Strong integration skills with CRM and messaging platforms including Salesforce, HubSpot, Zendesk, Slack, and WhatsApp. --Commitment to ethical AI practices, transparency, and compliance with data privacy regulations. ☑️Technologies & Keywords Machine Learning, NLP, Generative AI, GPT-4, Claude 3.5, OpenAI Codex, RAG, Prompt Engineering, Hugging Face Transformers, SpaCy, AI Chatbot Development, Conversational AI, Autonomous AI Agents, Dialogflow CX, Microsoft Power Virtual Agents, IBM Watson Assistant, ManyChat, Landbot, Rasa, LangChain, BotPress, Ruby on Rails, React.js, Vue.js, RESTful APIs, GraphQL, Chatwoot, CRM Integration, AWS, Azure, GCP, Docker, Kubernetes, CI/CD, Multi-turn Dialogue, Voice-Enabled Bots, AI SaaS Platforms, Workflow Automation.

ForeFast Solutions partners with startups and enterprises to build high-performing digital products. From scalable web and SaaS platforms to AI-driven automation and mobile applications, our team of 50+ engineers, designers, and project managers works as an extended tech department, delivering reliable systems designed for growth. Since 2015, we’ve helped businesses move from concept to launch and from early traction to secure, scalable, production-ready products built for long-term success. 💡 What We Do We provide end-to-end product development, from idea and design to deployment and scaling: 🔹 AI & Intelligent Automation - AI chatbots & assistants (LLM-powered, multi-agent systems) - Workflow automation, document processing & RAG pipelines - Predictive analytics, recommendations & decision support 🔹 SaaS & Web Applications - MVPs to enterprise-grade SaaS platforms - Dashboards, CRMs, ERPs & internal tools - Secure, scalable, API-driven architectures 🔹 Mobile App Development - Cross-platform apps (Flutter, React Native) - Native iOS (Swift) & Android (Kotlin) applications 🔹 UI/UX Design - User-centric, modern, conversion-focused design - Web & mobile UX, wireframes & design systems 🔹 Cloud, DevOps & QA - AWS, GCP & Azure cloud-native deployments - CI/CD pipelines, Docker, Kubernetes & monitoring - Automated testing and production-ready QA 🛠 Core Technology Stack - Frontend: React, Next.js, Vue.js, Nuxt.js, Angular, Tailwind CSS, Material UI - Backend: Python (Django, FastAPI), Node.js (Express, NestJS), Ruby on Rails, Laravel - AI/ML: GPT-4/5, Claude, LLaMA, Hugging Face, PyTorch, TensorFlow - Databases: PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch, Vector DBs - Cloud: AWS, GCP, Azure, Docker, Kubernetes, CI/CD 🧠 How We Work - End-to-End Ownership: from architecture and UX to deployment - Production-Grade Quality: clean architecture, TDD/BDD - Scalable by Design: built to grow with users and data - Agile & Transparent: clear communication and predictable delivery We leverage modern AI-assisted development workflows to deliver faster while maintaining high-quality, secure, and maintainable systems. 🤝 Let’s Build Something That Scales Whether you’re launching an MVP, building a SaaS or mobile product, integrating AI, or scaling an existing platform, ForeFast Solutions is ready to help. 💬 Invite us on Upwork and let’s discuss your project.

Caansoft | Building Digital Experiences Since 2013 Founded in 2013, Caansoft is a full-service digital agency dedicated to helping businesses grow through custom web and mobile development, creative design, and data-driven digital strategies. For over a decade, we’ve partnered with startups, SMEs, and enterprises worldwide to design, build, and maintain powerful digital products that make a real impact. Our multidisciplinary team includes developers, designers, data scientists, and digital marketers, working collaboratively to deliver solutions that are fast, secure, and scalable. - Our Core Services Custom Web & Mobile App Development UI/UX & Graphic Design SEO, SEA & Digital Marketing Data Science & Analytics Website Maintenance & Cloud Hosting - Why Caansoft ? 10+ years of proven experience Transparent, agile project management Long-term partnership mindset High-quality, future-ready solutions At Caansoft, we don’t just build software, we build digital success stories. Let’s turn your vision into reality !

We’re a full-stack product team that designs, builds, and supports: • Web applications and marketing sites • Mobile apps (iOS & Android) • Custom software and internal tools • E-commerce platforms and payment flows • AI-powered apps, automation, and integrations • Telecom VAS (SMS, USSD, carrier-grade APIs) • HTML5 and casual games • Cybersecurity hardening and audits • Digital strategy, architecture, and technical consulting Our core skills include: Full-Stack Web & Mobile – Rails, Django, Node.js, React, React Native, Next.js, Golang High-Performance & Real-Time – data pipelines, WebSockets, casino-style games, low-latency processing Payments – Stripe, PayPal, mobile money, telecom billing, multi-currency flows Telecom VAS – SMS, USSD, long-polling, carrier-grade APIs, high-throughput queues Cloud & DevOps – AWS, Azure, GCP, Kubernetes, CI/CD, high-availability PostgreSQL (cloud & bare metal) HTML5 Games – fast browser games, physics-based mechanics, secure gameplay logic Backend & Integrations – API design, third-party integrations, distributed systems, scalable architectures AI & Automation – OpenAI / Hugging Face integration, ML pipelines, automated decision systems, recommendation logic, workflow & RPA-style automation, chat/voice interfaces We take ideas from “I’ve been thinking about this…” to production-ready systems. Our work spans e-commerce, mobile games, AI assistants, finance tools, and landing pages—so whether you’re a startup validating an MVP or an established business modernizing legacy systems, we’ve likely shipped something similar. How we work on Upwork • Discovery & scope – map your goals, users, and constraints into a clear roadmap. • Architecture & UX – propose stack, data flows, and UX for fast, secure, usable products. • Development & QA – clean, maintainable code and real testing, not “hope it works.” • Launch & support – deployment, monitoring, docs, and support so you’re not left alone. Why clients choose us 20+ years of combined experience, senior engineers and designers, Neural Marketing-informed UX, and security, performance, and scalability baked in from day one. Clear communication, frequent updates, and real ownership of outcomes—no fluff, no ghosting, no disappearing devs. You focus on your business. We’ll handle the code—and we’ve got you, all the way.

For over 10 years, we’ve been crafting custom digital solutions that empower businesses to thrive in a rapidly evolving world. We specialize in working with industries like beauty, fashion, food, hospitality, and beyond, helping them embrace digital transformation with ease. From transforming operations to building e-commerce platforms and implementing high-impact digital marketing strategies, we are your trusted partner in driving efficiency, growth, and innovation.

Our agency specializes in delivering full-stack web and cross-platform mobile applications, as well as digital signage systems. We combine expertise in HTML, CSS, and JavaScript with modern frameworks like React, Next.js, and React Native, and back-end technologies including Node.js, Express, Ruby on Rails, MongoDB, PostgreSQL, Firebase, Supabase, and Couchbase to build scalable, data-driven solutions. We craft cross-platform mobile experiences for iOS and Android while ensuring seamless performance across devices. Our team also integrates Web3 solutions, using Foundry to develop and test smart contracts. Quality and reliability are at the core of our workflow, supported by Jest, Cypress, Playwright, Detox, Vitest, and Foundry’s testing framework, ensuring robust and maintainable systems across all projects.

Hi, I’m the founder of BeLikeTech, an IT outsourcing company established in 2018. We specialize in mobile and web development, UI/UX design, and quality assurance testing, helping startups, SMBs, and enterprise clients turn their ideas into scalable, user-friendly digital products. At BeLikeTech, we combine technical excellence with design thinking to build high-performance apps and websites that stand out in today’s competitive market. Over the past 6+ years, we’ve successfully delivered projects across industries including fintech, e-commerce, healthcare, and education—always with a focus on clean code, intuitive design, and on-time delivery. Whether you need a full development team or support in a specific area, we’re ready to plug in and move fast. Let’s build something great together. 🔧 Our Tech Stack: • Frontend: React, Vue.js, Next.js, HTML/CSS/JS • Backend: Node.js, Express.js, NestJS, PHP (Laravel), Python (Django/Flask) • Mobile: Flutter, React Native, Swift (iOS), Kotlin (Android) • UI/UX: Figma, Adobe XD, Sketch • Databases: PostgreSQL, MySQL, MongoDB, Firebase • Testing & QA: Jest, Cypress, Selenium, Postman, manual testing • DevOps & Tools: Docker, GitHub Actions, AWS, Firebase, Jira, Trello We pride ourselves on clean code, intuitive UI/UX, and a collaborative development process that keeps our clients in the loop from start to finish. Whether you’re looking for a dedicated team or specific technical support, we’re here to help you launch, scale, and succeed. Let’s talk about how we can build something great together.