Santiago Moreno Arce

& Problem Solver

I build technical solutions for companies that need to automate processes, integrate complex systems and ship serious software — with Odoo/ERP, applied AI, blockchain, APIs, eCommerce and automation.

I don't sell hours of programming. I design and implement systems that reduce manual work, connect tools, automate decisions and protect critical processes like invoicing, payments, customer data and traceability.

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Backend Odoo Java Node.js Python .NET Solidity Solana Spring Docker Clean Architecture DDD

// approach

Technical depth meets business understanding

Most technical problems in business are not purely technical. They sit at the intersection of architecture decisions, operational constraints and real user needs.

Santiago combines deep backend and systems experience with a practical understanding of how businesses actually operate. He has built, maintained and improved real business systems — not only written code, but shipped products and solved operational problems that matter.

The result is software that is reliable, maintainable and aligned with how your teams work.

// services

Services

Focused on the areas where technical quality and business impact intersect.

Automation & Applied AI

I integrate AI into real business processes: classification, customer support, data extraction, content generation, document analysis and internal task automation.

LLMs RAG Document Extraction AI Workflows Internal Assistants

Odoo / ERP / eCommerce

Custom modules, integrations and automations for businesses that depend on Odoo, online stores, invoicing, payments and internal operations.

Odoo Custom Modules Invoicing Payments eCommerce

Blockchain & Verifiable Systems

Smart contracts, signing, traceability and data notarization for companies that need verifiable proof and technical trust — not hype.

Solidity EVM Notarization Traceability Web3

Integrations & Backend

I connect APIs, CRMs, ERPs, external platforms, payment gateways and internal tools so data flows without manual work.

REST APIs Node.js Java Integrations Backend

See full service descriptions

// cases

Technical Cases

Selected examples of technical problems solved in real business contexts.

eCommerce

Large eCommerce Catalog Search Optimization

A growing eCommerce platform was struggling with search performance and relevance as the product catalog grew into hundreds of thousands of SKUs.

Problem: Slow search response times, poor relevance scoring and a heavy indexing process that caused delays and inconsistencies in product data.
Solution: Redesigned Elasticsearch mappings, normalized product data, rebuilt the indexing flow with incremental updates and improved field weighting.
Result: Significantly faster search, more accurate relevance and a more maintainable indexing pipeline that reduced operational overhead.

Retail / B2B Commerce

ERP and eCommerce Integration

A B2B retailer operated their ERP and online store as disconnected systems, relying on manual exports and imports to keep data aligned.

Problem: Stock levels, pricing and product data were frequently out of sync, causing order errors and requiring constant manual intervention.
Solution: Built a robust API integration layer with batch synchronization, error handling, retry logic and operational monitoring.
Result: Reliable, near-real-time data synchronization between systems, fewer manual errors and a measurable reduction in operational overhead.

Operations / ERP

Odoo Customization for Real Business Workflows

A mid-sized company had implemented Odoo but found that standard workflows did not reflect how their teams actually operated.

Problem: The gap between standard Odoo flows and actual business processes led to workarounds, inconsistent data and low user adoption.
Solution: Developed custom modules, adapted existing workflows, added automation rules and integrated Odoo with external tools their team already used.
Result: A closer fit between the software and the business process, higher adoption and more reliable data across operations.

View all cases

// tech stack

// building

What I'm Building

Personal projects where I get to make every decision — from architecture to positioning.

Kelvia.ai

AI-powered customer operations platform

What started as a technical experiment with voice AI turned into a full product. Kelvia handles customer reception for service businesses — appointments, inquiries, confirmations — across voice, WhatsApp, web chat. 24/7, in 7 languages, no wait times.

The founding insight: most service businesses lose revenue not because they can't deliver, but because they miss the call when it comes in. One missed inquiry is one lost customer. Kelvia makes sure that never happens.

From a founder's perspective, it's been a masterclass in product decisions under constraint — balancing AI accuracy with cost, designing for non-technical users, and building operational infrastructure that has to work reliably at scale.

24/7

Always available

Languages

80%

Fewer no-shows

Industry templates

Visit Kelvia.ai

// pricing

Transparent pricing

Monthly retainers from €650/month for automation, AI, blockchain and ERP integrations. Public hourly rates from €65/h. Fixed project quotes available. Every engagement starts with a free 30-minute call to understand the real scope.

See pricing & engagement models

Need a senior technical partner for your next project?

Tell me what you are building, what is blocked, or what needs to be improved.

Contact Santiago