Custom Software Development for Fintech in Malaga, Spain

Ledger-grade platforms for fintechs building or scaling in Malaga, pSD2, KYC/AML and idempotent payment APIs, delivered by a team that has shipped regulated products before.

What Fintech Software Delivers in Malaga

• Where Malaga fintechs come from: Fintech founders in Malaga usually reach us right after the licence or the BaaS contract is signed, when the prototype that impressed investors has to move real money without losing it. We rebuild that core, an auditable ledger, idempotent APIs and the ops tooling that lets a small Malaga team run a regulated product. Malaga's tech park (PTA) is Spain's largest, hosting over 630 companies and 20,000 workers. The city's bet on becoming Europe's 'Silicon Valley of the South' has attracted billions in investment and created massive demand for software development services.
• Regulatory perimeter for a Malaga operation: Whether your entity is regulated where Malaga sits or passporting in from another EU state, we map the exact reporting, safeguarding and SCA obligations before architecture. The system is designed to produce the reports your supervisor asks for, not to reverse-engineer them at quarter end.
• BaaS and payment rails that serve the Malaga market: We wire the providers with real coverage of your Malaga customer base, sEPA instant and local account-to-account schemes for European users, card programmes, FX and cross-border rails when the product spans markets. Integrations ship with webhook idempotency, retries and reconciliation tooling, because that is where fintechs actually lose money.
• Senior engineering without the Malaga salary war: Hiring ledger-literate engineers in a financial hub like Malaga is slow and expensive. We plug in a senior team that has already built double-entry cores and KYC pipelines, works in your time zone, and hands over code and documentation your future in-house hires can take on.
• Crypto-fiat rails when MiCA actually allows it: For MiCA-licensed CASPs we build custody integrations (Fireblocks, BitGo, Copper), on/off ramps with Stripe Crypto or BCB, travel rule compliance via Notabene or Sumsub, and the Title VI reporting that ESMA expects. We will tell you when MiCA does not allow what you want. That conversation has saved clients money.
• Operations tooling support actually uses: Customer support consoles with full case context, freeze/unfreeze/limit-override flows with four-eyes approval, refund and chargeback workflows, and a back-office that lets ops act in seconds. We have seen too many fintechs where every ops action is a Slack message to engineering.

How We Build Your Fintech Software in Malaga

1. Regulatory perimeter mapping: Before architecture we list every regulator your product touches (Bank of Spain, CNMV, ESMA, FCA, BaFin, OCC) and what each one expects in terms of capital, reporting and operational resilience.
2. Ledger and money-flow design: We diagram every account, every leg of every transaction, and every reconciliation point against your BaaS and acquirer. This document becomes the source of truth that audit, finance and engineering all read.
3. Idempotency and reliability spine: Every payment endpoint takes an idempotency key. Every external call retries with exponential backoff and a circuit breaker. Every webhook is verified, deduplicated and stored. This is what makes the difference between losing money once and never losing it.
4. Compliance build-out: KYC onboarding, ongoing AML monitoring, transaction risk scoring, suspicious activity reporting, audit log immutability, all built as a separate module so it can be audited end-to-end.
5. External penetration test and chaos drill: Pre-launch penetration test against OWASP API Top 10 and PCI-DSS where applicable, plus a chaos engineering drill where we kill the BaaS connection mid-payment to make sure the system recovers cleanly.
6. Go-live with a real-money pilot: We open the system to a small set of internal users moving real money in the low hundreds of euros. One week of clean reconciliation later, we open the gate.

High-performance stack used by global leaders

React/Next.js/Angular on the frontend and Java 21 + Spring Boot + PostgreSQL 14 on the backend, the same stack that BBVA, ING, and Netflix use for their security and performance.

Fintech Software in Malaga: FAQ

Can you work with our compliance team and regulator contacts in Malaga?

Yes. We sit in the calls where technical controls are discussed, translate regulator questions into system requirements and produce the evidence (audit trails, reconciliation reports, access logs) your Malaga compliance officer files. You keep the regulator relationship; we make sure the system never embarrasses it.

Do you meet in person in Malaga?

Yes, for the phases where it pays, the regulatory perimeter workshop, the ledger design sessions and go-live weeks. Day-to-day delivery runs remote in European hours with demos at every milestone.

Which payment methods matter for a product launching in Malaga?

The mix we implement follows your Malaga user base, not a default list, sEPA credit and instant transfers, local account-to-account schemes, cards, wallets like Apple Pay and Google Pay, and cross-border rails if the corridor matters to your product. We have integrated Stripe, Adyen, Redsys, GoCardless and Currencycloud among others.

Our fintech in Malaga already has an engineering team. How do you fit?

Usually as the specialised core team, we take the ledger, payments spine and compliance modules while your team keeps product surface and growth features. Everything we build lands in your repositories with four-eyes review, so the handover is continuous rather than a cliff.

How much does it cost to build a fintech software product?

The licence model moves the number more than the code does. Operating under the licence of a banking partner and holding your own electronic money licence are different businesses, never mind a sign-up with identity checks versus cards, payments and a lending engine. We look at your regulatory path on a free call with one of our engineers and quote from there.

How long does implementation take?

First production transaction in 8 to 12 weeks when you launch under the licence of a banking partner. Full feature parity with what you pitched in the deck takes longer, and the regulator sets that pace more than we do. Anything faster is usually skipping the controls a regulator will ask about later.

Are you familiar with PSD2, MiCA and AML directives?

Yes. PSD2 plus EBA RTS on SCA and CSC, the EMD2 framework for EMIs, MiCA Title II/III/IV/V/VI for crypto-asset services, and the AML5/AML6 directives plus the upcoming AMLR/AMLD6 package. For Spanish projects we work hand in hand with the legal team on Banco de España and SEPBLAC requirements.

Can you integrate with our BaaS or core banking provider?

Yes. We have shipped integrations with Solaris, Treezor, Modulr, Currencycloud, Railsr, Swan, ClearBank and Mambu. For card programmes, Marqeta, Stripe Issuing and Galileo. For payments, Stripe, Adyen, Redsys, GoCardless and Trustly. If your provider has any documented API, we connect to it.

Do you work with Malaga companies remotely?

We work with companies across Malaga's tech ecosystem, from the PTA technology park to the growing startup scene in Soho and the digital businesses along the Costa del Sol.