Propelius

We provide custom web and mobile app development using JavaScript, TypeScript, React, Next.js, Node.js, Supabase, Nest, React Native, Firebase for SaaS, fintech, and marketplace platforms. We are well equipped with with AI tools like Lovable, Bolt, Cursor

Overview

Hi there, 🌟 Top Rated Full Stack Developers. ✅ 50+ successful projects delivered 🎯 8+ years of experience in frontend & full-stack development 📱 5+ years of hands-on expertise in mobile app development We are Propelius, a passionate team of 50+ software engineers, designers, and solution architects with deep expertise in building scalable web platforms and hybrid mobile apps. We work in Agile environments, consistently delivering high-quality results across diverse industries including SaaS, fintech, and marketplaces. Our core strength lies in translating complex business needs into intuitive, reliable, and future-ready digital products. From UI/UX design and frontend development to backend architecture, integration, and AI-powered features, we take care of everything from start to finish. We also stay ahead by integrating cutting-edge AI tools into our development process leveraging platforms like Cursor IDE, Bolt, Lovable, Replit, Claude, and OpenAI APIs to write cleaner code, speed up workflows, and ensure high-performing outputs. Tech Expertise: Full Stack: React, Next.js, JavaScript (ES6+), TypeScript, Node.js, NestJS, Express.js Mobile Development: React Native, Firebase Databases & Backend: Supabase, PostgreSQL, MongoDB, MySQL, Firebase, AWS (S3, Lambda), Docker, Heroku UI & Styling Frameworks: TailwindCSS, Material UI, Bootstrap, Shadcn/UI, Tamagui Architecture Patterns: MVC, MVVM, Microservices, Serverless Tools & Version Control: GitHub, GitLab, Bitbucket Project Management: JIRA, ClickUp, Pivotal Tracker Development Methodology: Agile & Scrum Why Clients Choose Us: - Strong communication and collaborative workflow - Design-first approach with a focus on user experience - Scalable architecture and clean, maintainable code - AI-enhanced development process for faster delivery - 15 days of post-launch free maintenance for every project Thank you for taking the time to learn about us! If our approach aligns with your needs, feel free to drop us a message. We’d love to learn more about your project and explore how we can bring it to life. Looking forward to connecting, Team Propelius

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Services

Web Development

We provide custom web development services using JavaScript, TypeScript, React, Next.js, Node.js, Supabase, Lovable, Bolt, Cursor, and AWS for SaaS, fintech, and marketplace platforms. We handle the complete project lifecycle from design and development to testing, deployment, and hosting.

Mobile Development

Skills

Web Development
TypeScript
Tailwind CSS
AI Chatbot
Supabase
Replit
React Native
Firebase
ExpressJS
Software Development
NestJS
Node.js
Next.js
JavaScript
React
100% Job Success
Top Rated

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Upwork activity

Hourly rate

$15.00

Minimum project size

$1K+

Total earned

$20K+

Total hours

1,497

Total jobs

7

Member since

Jun 24, 2025

Company information

Agency size

11-50 workers

Year founded

2019

Client focus

Large business

Medium business

Very small business

Small business

Languages

English: Native or Bilingual