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$50/hr
100%
Job Success
$70K+ earned
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Hello,
I am a skilled Full Stack Developer with expertise in Database Architectures,Database Designing,Python, Web Scraping, Clay.com, Magento Development, Ruby on Rails (ROR), Shopify and Google Cloud. I have hands-on experience in Website optimization, Python scripting, PHP, and scripting using NodeJS.
With my expertise in Salesforce, I can help you customize and extend the functionality of your Salesforce implementation. I am well-versed in building Salesforce extensions and integrating them seamlessly into your existing setup. Additionally, I have a strong background in Python and scraping, allowing me to efficiently gather and process data from various sources.
Furthermore, I have experience working with Magento and I can assist you in optimizing your online store for better performance and user experience. My proficiency in Ruby on Rails (ROR) enables me to develop robust web applications using this powerful framework.
Moreover, I have knowledge of Google Cloud, enabling me to utilize its services and tools to enhance your application's scalability and reliability. Also, I have hands-on experience in Python scripting, PHP development, and scripting using NodeJS. This diverse skill set allows me to tackle various programming tasks and provide you with comprehensive solutions.
Please get in touch and I will be happy to work with you.
Regards,
Aniket
Philippines
$20/hr
100%
Job Success
$10K+ earned
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Software developer focused on building reliable, scalable backend systems and APIs.
I’ve worked on production Python and Ruby on Rails applications in both monolithic and microservice architectures, with strong experience in payments, subscriptions, integrations, and business-critical workflows. At PayMongo, I helped build fintech services and spearheaded development of a subscription API, designing billing flows, webhooks, retries, and idempotent processes in a high-availability environment.
Alongside Python and Rails, I have also worked with Next.js to build modern web applications and data-driven frontends that integrate seamlessly with backend APIs.
My day-to-day work includes designing REST APIs, working with PostgreSQL, background jobs, and performance optimization. I enjoy collaborating with product and support teams to turn real business needs into clean, maintainable solutions.
Core strengths:
• Ruby on Rails backend development
• Next.js and modern React-based web apps
• REST API design and integrations
• PostgreSQL database design and optimization
• Background jobs and asynchronous workflows
• Microservices and large monolithic applications
• Clean architecture, testing, and maintainability
I’m looking for long-term collaborations where I can take ownership of features, improve systems, and help products grow.
United States
$100/hr
$5K+ earned
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Senior Full Stack Web Developer with extensive experience building and scaling web and mobile applications using React, React Native, and Ruby on Rails. Proven track record delivering across the full product lifecycle—from architecture and implementation to deployment, performance tuning, and long-term maintenance—supporting both early-stage products and enterprise platforms.
Deep expertise in modern JavaScript and TypeScript ecosystems, including React and Angular, with a focus on building fast, intuitive, and reliable user experiences. Strong backend experience with Rails and GraphQL, designing secure, maintainable APIs and integrations across distributed systems. Skilled in relational and non-relational data stores including PostgreSQL, MySQL, and MongoDB.
Background in fintech engineering, contributing to high-volume platforms processing tens of billions of dollars across multiple payment gateways. Experienced in Git-based workflows, production-grade web and mobile delivery, and blockchain development using Solidity, bringing a balance of execution, scalability, and system-level thinking.
$20/hr
$500+ earned
Available now
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I help businesses turn ideas into scalable, revenue-generating products.
With 8+ years of experience, I’ve built and shipped production-grade applications for SaaS platforms, e-commerce businesses, and enterprise systems across industries like healthcare, fintech, and digital products.
I focus on writing clean, maintainable code, designing scalable architectures, and delivering solutions that actually solve business problems — not just technical ones.
🔧 Tech Stack
Frontend:
React.js, Next.js, Vue.js, TypeScript, Tailwind CSS, React Native
Backend:
PHP (Laravel), Node.js, Ruby on Rails, Python (Django, FastAPI)
Databases:
MySQL, PostgreSQL, MongoDB
DevOps & Cloud:
AWS, Docker, CI/CD Pipelines, Git
🚀 What I Can Help You With:
Building SaaS platforms from scratch
Scaling existing applications
API development & integrations (Stripe, PayPal, etc.)
Performance optimization
Cloud infrastructure & deployments
If you're looking for someone who can own the development process and deliver real results, let’s talk.
👉 Click “Invite to Job” and share your idea — I’ll help you turn it into a working product.
$70/hr
$4K+ earned
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End of list.
Hello and welcome to my profile! 👋
I'm a passionate Full-Stack Developer with a strong focus on building fast, secure, and modern web applications. With expertise in JavaScript, TypeScript, Svelte, React, Angular, TailwindCSS, and DevOps Cloud solutions, I bridge the gap between great ideas and production-ready software.
On the backend, I bring advanced skills in Go (Golang) and Ruby, delivering highly efficient, scalable, and reliable systems designed for real-world performance. From frontend polish to backend power, I create solutions that don’t just work—they excel.
💡 What I bring to the table:
- Clean, maintainable, and scalable code.
- Cloud-native development with modern DevOps practices.
- Pixel-perfect UI with TailwindCSS and modern frameworks.
- High-performance backend services in Go and Ruby.
- End-to-end ownership from concept to deployment.
If you're looking for a developer who can combine cutting-edge tech with practical business results, you’re in the right place.
✨ Let’s collaborate and turn your vision into reality. Let's get started today!
$49/hr
100%
Job Success
$400K+ earned
Available now
Offers consultations
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I'm a Top Rated 🏆 Shopify developer with over 9 years of commercial experience. As the owner of a Shopify development agency, we specialize in building and supporting successful Shopify businesses. Additionally, we offer development and design resources to other agencies on demand.
My Shopify skills include:
✅ Theme Customization: Creating stunning, responsive themes 🎨
✅ App Integration: Seamlessly adding and customizing apps 🔧
✅ Backend Development: Optimizing backend functionalities 💻
✅ Front-End Performance: Enhancing speed and user experience ⚡
I’m highly skilled in using Shopify's APIs, Liquid templating, and advanced functionalities to create tailored solutions that fit your needs perfectly. 🌟
Looking forward to helping your business shine! 🚀
Keywords:
shopify, shopify plus, shopify theme customization, shopify app development, custom shopify themes, shopify API, shopify UX/UI design, shopify liquid, shopify payment gateways, ecommerce solutions, shopify speed optimization, shopify expert, shopify developer, custom shopify development, ecommerce website development, shopify store migration, shopify responsive design, shopify apps, React, shopify templates, javascript, html, css, web development, php, Ruby on Rails, API integration, pdp, shipping app, shopify design, conversion rates optimisation, redesign, web design, third-party app integration, woocommerce, ecommerce solutions
Associated with
GoInteger
$60K+
earned
$55.56/hr
100%
Job Success
$200K+ earned
Start of list.
End of list.
I help companies build and stabilize back-end systems for finance, trading, accounting, billing, telemetry and security monitoring. These are systems where wrong numbers, missing records or downtime are not acceptable.
For more than 15 years I have been working with production systems that process real money, operational events and security signals. My focus is data consistency, fault tolerance, clear business logic and predictable performance over years, not weeks.
My experience includes real time data processing for trading and alarm monitoring, calculation engines for financial and operational metrics, reporting systems, and integrations between accounting, billing and internal business applications. I am comfortable working on live systems, improving them step by step without breaking daily operations.
On the technical side I work mainly with Ruby on Rails, PostgreSQL, MySQL or MariaDB, Redis and background jobs, plus business critical third party APIs and internal services.
If you need a senior back-end engineer to design, extend or stabilize a business critical system, I can help you make it reliable and easier to maintain.
$45/hr
100%
Job Success
Offers consultations
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You've found a sound technical architect / backend developer skilled with AI automations, LLM models, Data DevOps and Cloud Ops. I am the guy who works around business agility and use-case development. Someone who not only contributes with testable codes, scalable structure but also contributes in validating approaches and MVPs / MBIs.
I am a multi-stack lead Backend developer (Ruby on Rails / Laravel / Python / NodeJS) with more than 15 years of exhaustive experience building complex and large / scalable products.
Complex most structures ranging from Enterprise B2B / B2C solutions including Open Source and custom coded solutions for almost all industries. For the past 10 years I've led various teams across the globe.
I've worked with almost every API on the web, I've worked with (almost) every E-commerce solution, LMS / E-Learning Platform, every single IDX/ MLS Property Feed, every CRM and social platform APIs and code management systems. I am pretty versed in DevOPs for GCP and AWS.
I love taking on complex problems because that's what excites me and keeps me moving. It is my diverse experience that allows me to code faster and code it right and I religiously believe in testable codes.
I'm available between 6am to 5pm US Eastern time as those are my usual work hours.
Majid F.
has worked
.
$25/hr
$9K+ earned
Start of list.
End of list.
I'm an enthusiast software engineer. Strong in design and integration problem-solving skills. Expert in Ruby on Rails, Node.js, React.js with database analysis and design. Skilled in developing business plans, requirements specifications, user documentation and architectural systems research. Strong written and verbal communications..
Services Offered:
- Backend server development using Ruby on Rails | Node JS.
- Frontend development with React/Next JS.
Completed Projects domains:
- Healthcare
- Fintech
- Interior designs
- Fitness industry
- Ecommerce
- Real estate
- Automobile industry
I take immense pride in delivering innovative solutions that exceed client expectations. I am committed to staying up-to-date with the latest advancements in technology, which allows me to offer cutting-edge and future-proof products and services.
United States
$50/hr
94%
Job Success
$30K+ earned
Start of list.
End of list.
Upwork Skill Certified - Ruby
Preferred Stack: React + Rails + TailwindCSS
Full stack software developer
Languages: Ruby, Javascript, C, Python
Frontend: React, Redux, HTML, CSS, TailwindCSS,
Backend: Ruby on Rails, FastAPI
Databases: PostgreSQL, Redis
Testing: RSpec
Other: Git
Ted T.
has worked
.