You will get Node.js Developer | Full Stack Node.js React Developer SaaS MVP or Feature
Rising Talent
Rising Talent
Project details
You will get a production-ready Node.js SaaS feature or full MVP - built on a clean, scalable backend architecture with all necessary API integrations, business logic, and frontend components shipped and deployed.
This catalog is for:
→ Founders building a new MarTech or B2B SaaS product from scratch
→ Product teams adding a complex feature to an existing Node.js platform
→ CTOs who need a senior Node.js developer to own a full development cycle
What is included:
Backend architecture design in Node.js with ExpressJS and TypeScript
Database schema design (PostgreSQL or MongoDB based on requirements)
Third-party API integrations - payment systems, marketing APIs, data providers
Role-based access control and authentication layer
React or Vue.js frontend components connected to the backend
Git-managed codebase with clean, documented, commented code
QA and production deployment
Lifetime warranty on all delivered code -any bug I introduced, I fix at no extra cost
What is not included: UI/UX design (can be added separately), server infrastructure costs.
This catalog is for:
→ Founders building a new MarTech or B2B SaaS product from scratch
→ Product teams adding a complex feature to an existing Node.js platform
→ CTOs who need a senior Node.js developer to own a full development cycle
What is included:
Backend architecture design in Node.js with ExpressJS and TypeScript
Database schema design (PostgreSQL or MongoDB based on requirements)
Third-party API integrations - payment systems, marketing APIs, data providers
Role-based access control and authentication layer
React or Vue.js frontend components connected to the backend
Git-managed codebase with clean, documented, commented code
QA and production deployment
Lifetime warranty on all delivered code -any bug I introduced, I fix at no extra cost
What is not included: UI/UX design (can be added separately), server infrastructure costs.
Programming Languages
PHP, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included $8,000
These options are included with the project scope.
$8,000
- Delivery Time 30 days
- Number of Revisions 0
Frequently asked questions
About Kostiantyn
Node.js Developer | Full Stack Node.js React Developer Backend NodeJS
Khmelnytskyi, Ukraine - 6:21 pm local time
There's a moment in every SaaS project where the straightforward web app turns into something nobody scoped - an API that won't sync, a permissions layer that breaks at scale, a pipeline that collapses in production. That's when someone calls me.
✅ 𝗖𝗹𝗶𝗰𝗸 𝗛𝗶𝗿𝗲 𝗼𝗿 𝗜𝗻𝘃𝗶𝘁𝗲 to work with a Node.js Developer who owns the architecture, not just the sprint.
I'm Node.js Developer and Full Stack Developer Node.js specializing in SaaS and Web App development.
🎯 𝗪𝗛𝗔𝗧 𝗬𝗢𝗨 𝗚𝗘𝗧
✔️ As a Node.js Developer - 20+ systems, full-stack ownership from architecture to deploy. Backend NodeJS work where the next developer opens the repo and thinks: this is clean.
✔️ As a Full Stack Node.js React Developer - React and Vue.js frontends with Node.js backends. 6+ channels unified, MarTech SaaS, analytics aggregators, multi-role platforms built to last.
✔️ As a Node.js Full-Stack and Node.js Backend Developer - AI pipelines, webhook systems, Stripe-gated content, real-time sync. Zero pipeline failures in 5 years.
✔️ As a Node.js Backend Developer - role-based permissions, multi-operator architectures, pipelines that hold under load. Full Stack Developer Node.js · Backend NodeJS. 30–40% faster delivery.
🔥 𝗔𝗖𝗛𝗜𝗘𝗩𝗘𝗠𝗘𝗡𝗧𝗦
✔️ ProvenExpert (Germany) - MarTech SaaS: HubSpot + Zapier, webhook notifications, survey automation. 40% less manual review. Node.js Developer · Node.js Full-Stack · Full Stack Node.js React Developer.
✔️ AdSplash (USA) - analytics aggregator: unified API across Google, YouTube, Facebook, Snapchat; wallet; super-admin. 6 platforms, 60% faster reporting. Full Stack Node.js React Developer · Backend NodeJS.
✔️ LOMCT 2.0 (France) - content SaaS: AI moderation pipeline, Chrome Extension, LMS integration. 80% less manual moderation. Node.js Full-Stack · Node.js Backend Developer · Full Stack Developer Node.js.
✔️ Defero (Norway) - AI SaaS: DynamicYield engine, scoring algorithm, gamification, REST + SOAP. 25% lift in engagement. Node.js Backend Developer · Full Stack Developer Node.js · Backend NodeJS.
✔️ MyMyCars (Ukraine) - marketplace: Elasticsearch, AI recommendation engine, automated registry pipeline. 3x faster search. Full Stack Developer Node.js · Node.js Developer.
🏆 𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗬 𝗩𝗘𝗥𝗧𝗜𝗖𝗔𝗟𝗦
✔️ MarTech - Node.js Developer and Full Stack Node.js React Developer: review platforms, HubSpot, Zapier. 35–50% less overhead.
✔️ AI SaaS - Full Stack Node.js React Developer and Node.js Full-Stack: recommendation engines, moderation pipelines. 70–80% automation.
✔️ E-Commerce - Node.js Full-Stack and Full Stack Node.js React Developer: Shopify, WooCommerce, order management. 30–40% faster cycles.
✔️ B2B & compliance - Full Stack Developer Node.js and Node.js Backend Developer: Xero, multi-role access, document pipelines. 60% fewer manual steps.
✔️ Marketplaces - Node.js Backend Developer and Backend NodeJS: Elasticsearch, Stripe-gated content. 3x faster search.
✔️ Data platforms - Backend NodeJS and Full Stack Developer Node.js: reporting APIs, scheduled pipelines. 90% automated.
🚀 𝗪𝗛𝗘𝗥𝗘 𝗜 𝗗𝗘𝗟𝗜𝗩𝗘𝗥
✔️ MarTech & AI SaaS - as a Full Stack Node.js React Developer and Node.js Full-Stack: unified API layers, AI pipelines, recommendation engines. Zero failures across 5 years.
✔️ E-Commerce & B2B - as a Node.js Developer and Full Stack Developer Node.js: Shopify, WooCommerce, Xero, multi-role architectures, compliance flows. EU, US, Nordics. 30% faster.
✔️ Marketplaces & data - as a Node.js Backend Developer and Backend NodeJS specialist: Elasticsearch, Stripe-gated content, automated reporting. 90% pipeline automation.
⚒️ 𝗛𝗢𝗪 𝗜 𝗕𝗨𝗜𝗟𝗗
✔️ Core - Node.js, ExpressJS, TypeScript, JavaScript, React, Vue.js, MongoDB, MySQL, PHP, Laravel, REST API, AWS, Git.
✔️ Frontend - React, Vue.js, TypeScript, HTML5, CSS 3, Bootstrap, Tailwind CSS, jQuery, Web Design, Front-End Development.
✔️ Backend - ExpressJS, MongoDB, MySQL, PHP, Laravel, CodeIgniter, Python, API Integration, Database Architecture, RESTful API, Software Architecture & Design, Back-End Development.
✔️ Ecosystem - React Native, Angular, WordPress, WooCommerce, Shopify, iOS, Android, Mobile App Development, Full-Stack Development, SEO.
✔️ Extended - Graphic Design, Adobe Photoshop, Illustrator, Software Design, Desktop Application, Data Entry.
🔹 Node.js Developer · Full Stack Node.js React Developer · Node.js Full-Stack · Full Stack Developer Node.js · Node.js Backend Developer · Backend NodeJS · Lifetime warranty. Bug? Fixed.
🔹 UTC+2 · fluent English · async-friendly · 30+ hrs/week. Building Node.js SaaS? Send me a message.
Steps for completing your project
After purchasing the project, send requirements so Kostiantyn can start the project.
Delivery time starts when Kostiantyn receives requirements from you.
Kostiantyn works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery call
Architecture plan