Cortina Lab · by Lexcore DevGitHub ↗
Cortina LabIndia · Remote worldwide

AI systems, built to spec.Shipped in weeks.

High-performance AI systems, neuro-symbolic architectures & autonomous intelligent agents.

Pick a package, lock the scope and pay the advance — or message us for a custom fixed quote.

01 · Services
01From $2,500

Custom AI / LLM Pipelines

Retrieval, agent and evaluation pipelines wired into your data and tools, with tracing, guardrails and cost controls from day one.

RAGAgentsEvalsFine-tuning
02From $2,500

Full-Stack MVP Development

From spec to a deployed product: auth, database, payments and an interface your first users can work in.

WebMobileDatabasePayments
03From $800

API & Webhook Automations

Connect the services you already pay for. Event-driven jobs, retries and logs so nothing gets dropped silently.

RESTWebhooksQueuesCron
04From $250 audit

Codebase Refactoring

Audit, test coverage and staged refactors of legacy or AI-generated code, without freezing feature work.

AuditTestsTypesCI
02 · Retainers & fixed packages
One-time
$250once

Codebase / Architecture Audit

Repo + infra reviewWritten findings, ranked by risk30-min walkthrough call
Book an audit
Monthly retainer
$1,000/ month

Priority Bug Fixing & Feature Maintenance

Priority queue for bugsSmall features each monthCancel anytime
Start a retainer
One-time
$2,500once

Complete MVP Sprint

Scoped build sprintDeployed, working MVPCode + handoff docs
Book an MVP sprint
03 · Proof of work — live on Google Play
AI chat app

Silicon AI

A premium AI chat app with real-time streaming replies, plus photo and document scanning. Live on Google Play.

FlutterStreaming APISubscriptions
AI food recognition

Thali Calorie

Snap a full Indian thali and get a per-dish calorie range, with voice logging in Hindi and English. Live on Google Play.

FlutterVision AIOffline-first
AI companion

Naira AI

A Hinglish-native AI companion with memory, safety rules and in-app reporting of AI answers. Live on Google Play.

FlutterMemorySafety layer
Client portal

Lexcore Dev

Clients track their custom software project: milestones, quotes and updates in one place. Live on Google Play.

FlutterREST APIAuth
CRM demo · sample data

Lexcore Dev CRM

Dashboard, projects, clients and quotations from the CRM side of the Lexcore Dev app. Screens use fictional demo clients.

Dashboard screen, demo dataProjects screen, demo dataClients screen, demo dataQuotations screen, demo data
Open source
Apache-2.0 · runs in your browser

Cortina Vector

A local-first SVG vector editor: shapes, pen, text, layers, gradients, path operations and SVG/PNG export. No install, no account, nothing leaves your device.

JavaScriptSVGOffline-first
04 · Tech stack
AI / LLM
LLM APIsRAGAgentsEvalsLoRA fine-tuning
Backend
PythonFastAPIPHPMySQLNode.js
Frontend & Mobile
FlutterReactTypeScriptTailwind
Infra
LinuxDockerAWSGitHub Actions
05 · How an engagement runs
01Intro & scopeGoals, constraints, timeline.
02Scope & quoteWritten spec with a fixed price.
03Build sprintsWeekly demos on a live URL.
04HandoffCode, docs and a support window.

Have a build in mind?

Bring the problem, leave with a scoped plan and a fixed quote.

© 2026 Lexcore Enterprises Pvt. Ltd. · Cortina Lab is a Lexcore Dev studio.lexcoredev.com