Products · Systems · Ventures

Build fast.Build right.

We own the technical problems others can't. We ship products, build systems, and start companies, as a senior technical partner for founders, and as builders in our own right.

Senior engineering, day one·Ownership mentality·Barcelona · global clients

Our principles

i.

We write the code we ship.

No subcontracting, no offshoring the build to people you have never met. The senior engineer in the meeting is the one in the pull request.

ii.

We work for handoff, not lock-in.

Documentation, runbooks, and tests are not a finishing touch. They are how we know the work is actually done.

iii.

We ship the smallest thing that solves the problem.

The fewest moving parts, the cheapest infrastructure, the model your team can actually evaluate. Sophistication on demand, not by default.

What we do

Four disciplines. One execution partner.

From early architecture decisions to production-ready platforms. We work in tight loops with your team. No walls, no handoff theatre, no junior engineers learning on your dime.

01

Data & Intelligence

Pipelines, warehouses, signal systems, and analytics layers that turn raw data into decisions. Production systems built on modern cloud stacks. Observable, tested, easy to hand back.

Warehouses/Pipelines/Modeling/BI/Lineage
02

AI & Automation

Applied machine learning, LLM integrations, and workflow automation that removes manual work from processes that should not need it. We build things that actually get used, not demos that get shelved.

LLMs/Retrieval/Agents/Forecasting/Evals
03

Product & Platform

End-to-end development of B2B SaaS products, internal tools, and data platforms. We own architecture, backend, and delivery, and ship to your repos, your cloud, your team.

Frontend/Backend/APIs/Database/Infrastructure
04

Fractional CTO & Advisory

Senior technical leadership without a full-time hire. Strategy, team structuring, stack decisions, and roadmap ownership for companies that need a CTO in the room before they need one on payroll.

Strategy/Hiring/Architecture review/Roadmap
The path to production

From raw signal to shipped systems.

Every data and AI engagement we run follows the same backbone. The pieces change (your CRM, your warehouse, your model); the shape stays the same.

AXIS / PIPELINEFrom event to decision · live topologyoperating
01Sources
Operational DBsproduction systems
SaaS APIsbilling · crm · commerce
Event streamsanalytics · webhooks
Files & docsobject storage · uploads
PLATFORM02
INGESTbatch & streaming
STOREwarehouse · lakehouse
INFERfeatures · models
OBSERVEtests · alerts · lineage
Outcomes03
Dashboardsexec · ops · self-serve
Predictionschurn · ltv · forecasting
Automationsagents · workflows · ops
AI productscopilots · search · chat
How we work

Founder speed. Senior process.

Four phases, each with concrete deliverables you can take home and a clear signal to judge us against. If we are a bad fit, we will know in the first two weeks.

PhaseWhat we doWhat you getHow you judge us
01

Discovery

A working session and technical audit. We map your stack and surface the highest-leverage moves.
Stack mapRisk registerQuick-win shortlist
Did we name a problem you had not articulated yet?
02

Architecture

Diagrams, decision records, trade-offs written down. A signed proposal with fixed scope and cost.
Target architectureADRsFixed-price proposal
Could a different team pick this up and finish it without us?
03

Build

Agile sprints with weekly demos. We ship to your repos, your cloud, your team. Tests, docs, runbooks.
Production codeCI / observabilityInternal handover docs
Is your team confident running this when we leave?
04

Operate

Handoff with a support window. Optional fractional retainer if you want us on call as the system grows.
Support windowOn-call retainerQuarterly review
Are you compounding leverage, or just maintaining?
Selected work

Real impact, measured in hours and percentages.

A few recent engagements. The industries change, the pattern does not. Find the bottleneck, ship the fix, leave a system the team can run on its own.

01 · E-commerce platform

Replaced manual data wrangling with an automated stack.

A growing e-commerce team was burning 20+ hours each week stitching pricing, inventory, and marketing data by hand. We built an automated pipeline into a central warehouse with real-time dashboards.

90%reduction in weekly processing time. Analyst hours redirected to merchandising experiments.
02 · SaaS startup

Made churn analysis proactive, not reactive.

CS teams only found out customers were leaving the week they cancelled. We built a predictive ML model scoring every account weekly and piped at-risk customers into the existing CS workflow.

35%improvement in retention across the at-risk cohort through earlier, targeted intervention.
03 · Professional services

Turned analysts from assemblers into reviewers.

Client reporting was 5+ hours of manual stitching per analyst, every single week. We built an automated reporting layer with custom LLM-generated insights; analysts now review and approve.

20h/mofreed per analyst, redirected to high-value strategic client work.
Common questions

Everything you'd ask on the first call.

What does Axis Data Labs actually do?
Axis is a technical company that builds things, for clients and on our own. For clients, we design and deliver data infrastructure, AI systems, and full-stack products as a senior engineering partner. Alongside that, we build and own ventures like Delvion Partners. The common thread is technical ownership: we don't advise and hand off, we own the problem until it's solved.
Who do you work with?
Founders, executive teams, and growth-stage companies that need a senior technical mind in the room. Typical clients are B2B SaaS, fintech, e-commerce, and operations-heavy businesses building fast without compounding tech debt.
Can you act as a fractional CTO?
Yes, for companies that need senior technical leadership without a full-time hire. Strategy, team structuring, stack decisions, hiring loops, and roadmap ownership, sized as a monthly retainer.
How does pricing work?
After a technical review we give you a transparent proposal with fixed scope and price. No hourly surprises, no scope creep without a written change. Fractional retainers are billed monthly.
Can we start with something small?
Most clients start with a focused audit or a two-to-four week scoped pilot. It pressure-tests the relationship and the architecture before either side commits to a larger build.
Get in touch

Have something
to ship? Let's talk.

30-minute call. We will listen, ask hard questions, and tell you honestly whether we are the right team for what you are building.

Or send a message →
OfficeBarcelona · Axis Data Labs SL
ClientsGlobal · remote-first