Cortexiva

Full-cycle software development studio building web, mobile and AI-powered products that outlast trends. 8 years. 150+ projects.

Overview

Cortexiva turns product ideas into live software. We design, build and scale web applications, SaaS platforms and AI products - from the first commit to the version that survives real traffic. ๐…๐ซ๐ž๐ž ๐๐ข๐ฌ๐œ๐จ๐ฏ๐ž๐ซ๐ฒ ๐œ๐š๐ฅ๐ฅ for new projects; ๐Ÿ๐ซ๐ž๐ž ๐œ๐จ๐๐ž ๐ซ๐ž๐ฏ๐ข๐ž๐ฐ with root-cause analysis ๐จ๐ซ ๐š ๐Ÿ-๐ฐ๐ž๐ž๐ค ๐ญ๐ซ๐ข๐š๐ฅ for existing ones. ๐๐‘๐Ž๐๐‹๐„๐Œ๐’ ๐–๐„'๐•๐„ ๐’๐Ž๐‹๐•๐„๐ƒ ๐๐„๐…๐Ž๐‘๐„: โ†’ AcellusHealth: HIPAA-compliant health platform - multi-role patient/doctor/caregiver system, Twilio SMS logging. React, React Native, Django, AWS โ†’ Inkeep: AI knowledge assistant on OpenAI + RAG - source-cited answers, zero hallucinations. Next.js 12 โ†’ 15 migration, +40% performance. โ†’ SpotBOI: AI content-marketing SaaS - GPT-4 + LangChain, multi-tier subscriptions. Shipped to market with an active user base. โ†’ ChangePlan: enterprise change-management SaaS - analytics dashboards, 3-level role system, long-term partnership. "๐“๐ก๐ž ๐ช๐ฎ๐š๐ฅ๐ข๐ญ๐ฒ ๐จ๐Ÿ ๐ฐ๐จ๐ซ๐ค ๐ฐ๐š๐ฌ ๐ญ๐จ๐ฉ ๐ง๐จ๐ญ๐œ๐ก." - Gavin Wedell, CEO. โ†’ Uprise: B2B mental-health SaaS - wellbeing tracking + HR analytics. React/TypeScript, Django, AWS โ†’ Solana NFT Ecosystem: marketplaces + on-chain minting, multi-wallet auth. React, TypeScript, Rust.. โ†’ Interviewer.ai: AI interview-prep platform - in-browser video, AI feedback. Angular, Firebase. ๐“๐‡๐„ ๐‡๐€๐‘๐ƒ ๐๐‘๐Ž๐๐‹๐„๐Œ๐’ ๐–๐„ ๐’๐Ž๐‹๐•๐„: โ€ข Production-ready ๐Œ๐•๐๐ฌ ๐ฌ๐ก๐ข๐ฉ๐ฉ๐ž๐ ๐ข๐ง ๐ฐ๐ž๐ž๐ค๐ฌ, not months โ€ข AI done right - RAG assistants, OpenAI / GPT-4o integrations, source-cited and low-hallucination โ€ข Performance & architecture at scale - Next.js migrations, monorepos, server components โ€ข Regulated products - HIPAA-grade, multi-role, secure systems โ€ข Rescue projects - taking over and stabilizing a codebase a previous team left behind โ€ข Web3 - Solana, Rust smart contracts, NFT marketplaces, wallet auth ๐Ž๐”๐‘ ๐’๐“๐€๐‚๐Š: React, Next.js, TypeScript, Node.js, Express, Python (Django / FastAPI), .NET, PostgreSQL, MongoDB, REST & GraphQL, OpenAI / GPT-4o, RAG, LangChain, React Native, AWS, Docker, CI/CD, Solana / Web3. ๐–๐‡๐˜ ๐”๐’ ๐ฏ๐ฌ ๐€ ๐’๐Ž๐‹๐Ž ๐…๐‘๐„๐„๐‹๐€๐๐‚๐„๐‘: โ€ข A full team - PM, frontend, backend, QA and design on every project โ€ข No single point of failure - work continues even if one person is out โ€ข Senior oversight - our lead engineer reviews architecture on every project โ€ข We scale from one feature to a full platform without re-hiring Bonus: a ๐Ÿ-๐ฐ๐ž๐ž๐ค ๐ญ๐ซ๐ข๐š๐ฅ (๐ง๐จ๐ญ ๐ก๐š๐ฉ๐ฉ๐ฒ โ†’ ๐ฒ๐จ๐ฎ ๐ฉ๐š๐ฒ ๐ง๐จ๐ญ๐ก๐ข๐ง๐ ), ๐š ๐Ÿ”-๐ฆ๐จ๐ง๐ญ๐ก ๐œ๐จ๐๐ž ๐ฐ๐š๐ซ๐ซ๐š๐ง๐ญ๐ฒ, ๐š๐ง๐ ๐š ๐Ÿ๐ŸŽ% ๐ซ๐ž๐Ÿ๐ž๐ซ๐ซ๐š๐ฅ ๐›๐จ๐ง๐ฎ๐ฌ.

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Services

Web Development

Production SaaS platforms, admin dashboards, marketplaces and complex web applications. Frontend: React, Next.js, TypeScript, JavaScript, Redux / Redux Toolkit, RxJS, Tailwind CSS, Material UI, Ant Design, styled-components. Backend: Node.js, Express, Python (Django, FastAPI), .NET, REST & GraphQL

AI Apps & Integration
Mobile Development
QA Testing

Skills

GraphQL
Next.js
React
SaaS
Web Development
Web Application
Full-Stack Development
Solana
Web3
SaaS Development
REST API
OpenAI API
MongoDB
JavaScript
Python

Featured clients

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Upwork activity

Hourly rate

$35.00

Minimum project size

$5K+

Total earned

$1K+

Total hours

27

Total jobs

3

Member since

Jun 1, 2026

Company information

Agency size

51-200 workers

Year founded

2018

Client focus

Large business

Medium business

Very small business

Small business

Languages

English: Fluent