Strategic Software Engineering for your Business
Consultancy specialized in Mobile, Web, and Data Engineering. We combine senior technical leadership, Advanced Data Engineering, and Applied AI to deliver complex projects with maximum efficiency.

Hello! We are OnTimeStack
We are a software engineering consultancy founded by Diego Moraes, a Technical Leader with over 15 years of experience, including roles as VP of Technology and Development Manager. We bridge the gap between strategic business goals and hands-on technical execution, operating with a flexible on-demand squad model.
Technical Leadership & Strategic Intelligence
Complete solutions for your business
Our Services
Comprehensive software engineering solutions tailored to your needs.
Software Engineering
Web and cross-platform apps (React/Flutter) with world-class performance.
Data Engineering & Analytics
Building robust ETL pipelines (Redshift, BigQuery), data warehousing, and real-time analytics dashboards.
Legacy System Evolution
Expertise in maintaining and evolving legacy systems (VB6, .NET, Java) while ensuring stability and gradual modernization.
Architecture Consulting
Stack definition, design patterns, and technical leadership for internal teams.
Squads on Demand
Flexible allocation of senior developers managed by our leadership.
Applied AI Solutions
Development of RAG-based chatbots, intelligent automation, and integration of LLMs into business workflows.
Discover some of the technical challenges we have overcome for our clients.
Featured Projects
See how we help companies scale their technology.

Digital Banking Core Evolution
Development and evolution of critical mobile architecture for digital banks, ensuring security, regulatory compliance, and high availability for millions of transactions.
View Case Study
Cloud Data Migration & Analytics Pipeline
Strategic migration of ETL pipelines (Redshift to BigQuery) and structuring of dimensional models for Business Intelligence, enabling real-time insights and operational cost reduction.
View Case Study
Terpli - AI Cannabis Sommelier
Innovative platform using AI to recommend cannabis products based on user preferences and desired effects. Full-stack development and dispensary integration.
View Case Study
AlpineIQ RAG "Librarian"
Intelligent Slack chatbot based on RAG (Retrieval-Augmented Generation) acting as a "librarian" for product documentation. It crawls support pages, indexes content, and answers questions with precise context.
View Case Study
Legal Tech Automation & Data Extraction
Engineering of parameterizable web scraping robots and document recognition (OCR/OpenCV) for legal data extraction, reducing maintenance portfolio by 75% and increasing operational efficiency.
View Case Study
Digital Banking Core Evolution
Development and evolution of critical mobile architecture for digital banks, ensuring security, regulatory compliance, and high availability for millions of transactions.
View Case Study
Cloud Data Migration & Analytics Pipeline
Strategic migration of ETL pipelines (Redshift to BigQuery) and structuring of dimensional models for Business Intelligence, enabling real-time insights and operational cost reduction.
View Case Study
Terpli - AI Cannabis Sommelier
Innovative platform using AI to recommend cannabis products based on user preferences and desired effects. Full-stack development and dispensary integration.
View Case Study
AlpineIQ RAG "Librarian"
Intelligent Slack chatbot based on RAG (Retrieval-Augmented Generation) acting as a "librarian" for product documentation. It crawls support pages, indexes content, and answers questions with precise context.
View Case Study
Legal Tech Automation & Data Extraction
Engineering of parameterizable web scraping robots and document recognition (OCR/OpenCV) for legal data extraction, reducing maintenance portfolio by 75% and increasing operational efficiency.
View Case StudyAccelerators & Tools
OnTimeStack Solutions
Beyond consulting services, we develop internal products and accelerators that drastically reduce our clients' time-to-market. We use these same tools to ensure the efficiency that is our trademark.
DocuMind AI (Enterprise Knowledge Assistant)
Custom implementation of RAG-based assistants. We connect LLMs to your corporate knowledge base (PDFs, videos, wikis) securely, drastically reducing support response time.
DataScout ETL (Market Intelligence Engine)
Data engineering solution for collecting and normalizing complex external information. We adapt our resilient crawlers to monitor competitors or prices, delivering structured data for strategy.
OmniChat Integrator (Realtime Engagement)
Multichannel chat module integratable into your site or workspace (Slack). We offer everything from floating widgets for customer service to internal bots for workflow automation, fully customizable.
DeepSynth Core (Intelligent Data Extraction & Synthesis)
Advanced extraction and synthesis engine. Combines resilient web scraping (monkey patching), search engine aggregation, and AI to transform dispersed and complex data into structured intelligence ready for integration.
DocuMind AI (Enterprise Knowledge Assistant)
Custom implementation of RAG-based assistants. We connect LLMs to your corporate knowledge base (PDFs, videos, wikis) securely, drastically reducing support response time.
DataScout ETL (Market Intelligence Engine)
Data engineering solution for collecting and normalizing complex external information. We adapt our resilient crawlers to monitor competitors or prices, delivering structured data for strategy.
OmniChat Integrator (Realtime Engagement)
Multichannel chat module integratable into your site or workspace (Slack). We offer everything from floating widgets for customer service to internal bots for workflow automation, fully customizable.
DeepSynth Core (Intelligent Data Extraction & Synthesis)
Advanced extraction and synthesis engine. Combines resilient web scraping (monkey patching), search engine aggregation, and AI to transform dispersed and complex data into structured intelligence ready for integration.
In Development
Let's build something amazing?
We are ready to understand your technical challenge and propose the best architecture. Contact us for an initial consultation without commitment.


