SeniorEuropeanengineering.Deliveredwithprecision.
Senior software engineering for EU, UK and US scale-ups — built for high performance and EU compliance.
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- daily enterprise users
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- products shipped
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- IP ownership transfer
Products & platforms built
How we can help
Fixed-scope projects or an embedded team — sized to where you are, not where a template says you should be.
100% IP Ownership Transfer
Full copyright, source code, and IP ownership transferred to your company upon project delivery.
EU GDPR Compliant
European privacy standards, data sovereignty, and secure cloud infrastructure built-in.
24-Hour SLA
Direct founder-level communication with guaranteed sub-24h response time.
EU-Readiness & Legacy Audit
from €2,500A senior architectural audit of your code, legacy systems, GDPR compliance, and EU market gaps.
- Legacy code, security & architecture refactoring review
- GDPR, accessibility & content-law gap analysis
- Prioritized fix list with clear effort estimates
MVP Sprint
from €5,000Concept to a production MVP that European users can actually pay for. Fixed scope, fixed timeline.
- Discovery, architecture & delivery plan
- Production-grade build in weeks, not quarters
- Analytics, payments & compliance wired in
Dedicated Nearshore Squad
from €8,000/moA senior team embedded in your process — shipping new features and modernizing legacy code from day one.
- Senior engineers — no juniors billed as seniors
- Legacy modernization & cloud-native migration
- Scale up or down with one month’s notice
Fractional CTO
from €2,500/moTechnical leadership without a full-time hire — strategy, architecture, and hiring you can trust.
- Architecture & technology decisions
- Team hiring, mentoring & process
- Board-ready technical due diligence
Cybersecurity, QA & Pen Testing
from €3,000Full-stack penetration testing, vulnerability scanning, OWASP compliance auditing, and automated QA testing for web and mobile applications.
- OWASP Top 10 penetration testing & vulnerability assessment
- Automated E2E QA testing & regression suites
- Actionable remediation report & re-testing validation
Your project in safe hands
Risk-free engagement standards designed for transparency, legal certainty, and rapid delivery.
100% Code & IP Ownership
Full copyright, source code, and intellectual property transferred to your company upon final invoice payment.
Immediate NDA Guarantee
We sign a mutual Non-Disclosure Agreement before discussing your proprietary architecture and roadmap.
Fixed-Price Predictability
Transparent upfront pricing with defined milestones. No surprise hourly bloat or scope creep.
EU Data Sovereignty & GDPR
European privacy standards, encrypted infrastructure, and EU-only data residency built in by design.
Expanding into Europe? Land it right the first time.
Coming to Europe from Asia or the Gulf? The code is rarely the hard part. It’s everything Europe expects around it — and we handle that.
- GDPR compliance (EU data protection law)
- EU payment systems (SEPA, local methods)
- Local languages, currencies and formats
- Hosting and data kept inside the EU
- Certified invoicing (legally required e-invoicing formats)
Outcomes, not output.
Client platforms we delivered from architectural inception to daily production scale.
CarBase24
A fleet-operations tool in daily use across 5 departments.
Testimonials and Client Feedback
“When we started, we had manual bottlenecks and legacy infrastructure. Caravel re-architected our platform from scratch, enabling us to scale daily B2B operations with zero downtime since 2022.”
“Caravel listens to complex problems and delivers clear technical execution. We launched our platform in record time across all 308 municipalities with zero production downtime.”
“Exceptional technical leadership in the automotive sector — they eliminated critical architecture bottlenecks and cut our engineering cycle times in half.”
A short path from problem to shipped.
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Audit
We map the terrain — product, code, compliance, and the gap to your goal.
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Plan
A concrete plan with scope, milestones, and honest estimates.
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Build
Senior engineers ship in short cycles you can see and steer.
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Scale
We harden, hand over, or stay on — whatever the next stage needs.
100% IP & Code Ownership
No licensing loops, no vendor lock-in. Once our invoice is settled, every single line of code and intellectual property belongs completely to your company.
Built and run by us
Products we ship and operate ourselves — where we pressure-test the tech we later recommend to clients.
Delivery Squad & Core Architecture
We deploy full multidisciplinary pods ready to ship from Day 1 — senior architecture in Portugal, hand-picked senior execution in Brazil, 100% EU-aligned timezone.
Fractional CTO & Lead Architect
Product strategy, system architecture & technical governance
Senior Frontend Engineers
Next.js, React, TypeScript, Tailwind CSS & mobile interfaces
Senior Backend Engineers
Node.js, Python, Laravel, cloud infrastructure & databases
AI & Data Engineer
LLM integrations, search pipelines & data analytics
SEO & GEO Marketing Specialist
Generative engine optimization, organic search & growth
Product Managers / Agile Owners
Sprint velocity, scope management & stakeholder alignment
Cybersecurity & QA Specialists
Penetration testing, OWASP vulnerability scanning & automated E2E QA testing
Built by someone who has shipped.
Nelson CostaFounder · Fractional CTO · Porto, Portugal
16+ years building and leading software teams across Europe — hands-on from first commit to enterprise scale.
Founded and led by Nelson Costa as Principal Architect & Fractional CTO. Senior architecture in Portugal, hand-picked senior delivery team in Brazil, EU-aligned timezone.
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Frequently Asked Questions
Let’s talk about your European move.
Tell us where you’re headed. We’ll tell you what it takes.
Headquarters
Porto, Portugal · WET (GMT/UTC+0)