Software boutique

We build software
that performs.

From fintech integrations to cloud infrastructure — we engineer scalable, secure, and precise solutions for businesses that demand more.

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What we do

End-to-end engineering,
start to finish.

We cover the full software lifecycle — from a single integration to a complete product. Specialized in fintech and highly regulated industries.

  • Software Development

    Custom web and backend applications built for performance, maintainability, and growth. No bloated frameworks — just the right tool for the job.

    Web AppsAPIsMicroservices

  • API Integration

    Connect your systems with third-party platforms, payment gateways, ERPs, and government services including electronic invoicing (CFDI).

    RESTWebhooksCFDI / SAT

  • Automation

    Eliminate manual workflows. We design intelligent automations that save time, reduce errors, and let your team focus on what matters.

    RPAWorkflow BotsData Pipelines

  • DevOps & Infrastructure

    Cloud-native architecture, CI/CD pipelines, and container orchestration to ship faster and with greater confidence.

    DockerKubernetesCI/CD

  • Cloud Migration

    Move your legacy systems to the cloud with zero downtime and a clear roadmap that minimizes risk at every step.

    AWSGCPAzure

  • Cybersecurity

    Security assessments, hardening, and ongoing monitoring to protect your infrastructure and your clients' data.

    PentestingHardeningCompliance

  • Business Platforms

    Landing pages, CRMs, and ERPs tailored to your processes — not the other way around.

    CRMERPLanding Pages

  • Support & Maintenance

    Ongoing technical support, monitoring, and iterative improvements to keep your software running and evolving.

    SLAMonitoringUpdates
About us

Built different,
by design.

We are a software engineering team focused on building precise, high-performance solutions for businesses that cannot afford to compromise. Founded with roots in fintech, we bring the discipline of regulated industries to every project we take on.

Our team is small by choice — it keeps us sharp, accountable, and close to the work. We collaborate directly with founders and technical leads, no middlemen, no hand-offs, no excuses.

Projects delivered
50+
Years of experience
6+
Industries served
10+
Portfolio

Selected work.

A curated look at projects where we made a measurable difference. Full details available under NDA on request.

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Why JJDevs

What sets us apart.

Not every software team is built the same. Here is why companies that tried others choose to stay with us.

  • Fintech DNA

    Our roots are in financial technology. We understand compliance, auditability, and the stakes of processing real money — and we build accordingly.

  • No account managers

    You work directly with the engineers building your product. Every decision is made by someone who understands the technical context.

  • Electronic billing ready

    Native integration with CFDI and SAT for Mexican markets. We have done it before — no learning curve at your expense.

  • Security-first approach

    Security is not an afterthought. From architecture to deployment, every layer is designed to minimise exposure and protect your users.

  • Ownership, not dependency

    We document everything, follow clean code standards, and hand off systems your own team can maintain and evolve.

  • End-to-end capability

    From a single API integration to a full cloud-native platform — one team, one accountability, no coordination overhead.

Get in touch

Let's talk about
your project.

Tell us what you are building. We will get back to you within one business day.