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AI that turns
days into minutes

AI · Data · Cloud

And the whole product around it: from the data model to the screen the user actually works in.

We build analytics platforms, automation and AI systems for companies whose decisions depend on data being right. Nine clients delivered. Four years. Products with paying users.

Python · SQL · AWS (EC2, S3, Lambda) · FastAPI · ETL pipelines · n8n · PostgreSQL · Supabase · Power BI · Streamlit · LangChain · RAG · Scikit-learn · XGBoost · PyTorch ·
9 Clients delivered
4+ Years
50M+ Data points processed
1,000+ Monthly users on our own platform

The engine

We don't start from zero. We start from an engine that already works.

We built and run our own analytics platform: +1,000 monthly users, +100 paying, 50M+ data points processed. It handles live multi-source ingestion, opportunity detection and position tracking, in production, under real load, with paying users who notice immediately when something breaks.

That engine is the base we adapt for client work. Five of our nine clients got a decision panel shaped to their own criteria, their own filters and their own KPIs, on infrastructure already proven in production.

Weeks instead of months, without the risk of a first deployment.

Services

Applied AI

Agents and RAG grounded in your own material, not generic model knowledge. Automatic classification and auditing, anomaly and fraud pattern detection, first-line support that actually knows your business. In production, with real users, not a demo.

RAGLLM agentsAutomated classification & auditingAnomaly detection

Analytics platforms & decision dashboards

Decision panels built on a proven analytics engine: live data from multiple sources, opportunity and exception finders filtered by your own criteria, position tracking and alerts. Adapted to each client rather than rebuilt from zero.

Real-time dataKPI dashboardsAlertingPower BIStreamlit

Quantitative engineering

Backtesting engines, algorithmic strategy design, scenario modelling and valuation analysis. In-house formulas, validated against historical data before any capital is at risk. This is where our banking background does the work.

BacktestingAlgorithm designScenario modellingRisk models

Product & cloud architecture

From the first line of code to the paying user: data model, roles and authentication, payments, automated onboarding, analytics. Serverless or dedicated, decided on cost and load.

AWS LambdaPostgreSQL / SupabaseFastAPIn8n orchestration

In every engagement

Version control with full change history · Automated dependency and credential scanning · CI/CD with tests before every release · Architecture, environment variables and deployment procedures documented.

AuditableTransferable at any point

Work

Nine clients delivered. Two are set out in full; the rest in brief.

Before

Days, by hand

After

Minutes

ChainTaxFlow

Regulatory reporting automation · Regtech · Compliance

Producing a full tax position report meant reconstructing every transaction by hand: identifying its source and nature, classifying it, and reconciling P&L. A full day's work, sometimes several. ChainTaxFlow does it in minutes and outputs a report ready to export and feed into filing platforms.

What we built

  • Multi-source indexing engine covering the platforms that account for close to 90% of measured market volume
  • Methodology for tracking transactions against each applicable regulatory framework
  • AI agent trained on the client's own answers to their users, as first-line support for recurring questions
  • Automatic fraud detection flagging patterns linked to known scams
  • Full serverless backend on AWS Lambda (Python), free and paid tiers, PDF/CSV export

Why this stack

Python in a serverless environment means paying only for the seconds each analysis runs. For intermittent loads the cost per report is negligible against a permanently running server. And building our own indexing engine, rather than licensing a generalist one, is what lets the report cover the non-standard cases instead of leaving them unclassified.

The agent supports and speeds up recurring queries. It does not replace professional tax advice.

How we work

Measurement plan

  • Measure before you instrument. Define the business questions first, the events second. The reverse order produces hundreds of metrics nobody reads.
  • Privacy-respecting analytics. We measure behaviour: which screen, which action, how long. Never the sensitive content the user enters. No personal data, no identifiers, with consent and configured retention.
  • Closing the loop. Review, hypothesis, change, measure. Analytics is only worth anything if the loop closes.

Phases

  1. Discovery

    Weeks 1-2

    Workshops with your team. We map systems, data, bottlenecks, objectives. You get a roadmap prioritised by impact.

  2. Design

    Weeks 2-5

    Architecture, data model, API contracts, navigable prototype. Validated before production code.

  3. Build

    Weeks 5-18

    Two-week sprints, live demos, CI/CD from day one, tests and documentation included.

  4. Operate & transfer

    Ongoing

    We operate it, transfer the knowledge, leave your team owning a platform they understand.

Team

Senior from start to finish.

Every engagement is led by someone who has broken production and fixed it. Behind the three of us, a network of specialists we bring in per project.

RF Roberto Fajardo, Head of Engineering at Koree

Roberto Fajardo

Head of Engineering · Cloud, Data & AI

Statistician and data engineer. Designed end-to-end cloud architecture and ETL pipelines. Banco Sabadell (risk) and Albeit Capital (BI & strategy).

Python · SQL/SAS · Cloud architecture · AWS · AI agents · Power BI

GE Guillermo Esteban, Head of Data Science at Koree

Guillermo Esteban

Head of Data Science · ML, Risk & Quantitative Modelling

Applied statistician. Independent validation of risk models at Bankinter (IFRS 9, ICAAP, ILAAP). Best Master's Thesis Award, UCM. Turns complex data into decisions.

Python · SQL · Machine Learning · AI · Power BI · AWS · ETL · Risk models

JR Jorge Ramírez, Head of Product Engineering at Koree

Jorge Ramírez

Head of Product Engineering · Frontend & UX

Frontend and UI/UX. Custom dashboards, pixel-perfect layouts and scalable web applications.

Next.js · React · Node.js · TypeScript · Supabase · PostgreSQL · AWS

Where we come from

Two statisticians from Universidad Complutense and a full-stack developer. Guillermo spent three years validating risk models at Bankinter under IFRS 9, ICAAP and ILAAP. Roberto works on credit risk and scoring in Banco Sabadell's data hub, after two years at Albeit Capital automating reporting and building the dashboards behind investment decisions. Regulated environments, where a model has to be defensible and not just accurate.

Contact

Tell us what you want to build.

If your challenge is technical, an engineer answers, not a salesperson.