Next.js development · Athens, Greece

Next.js development for web applications.

I’m Aggelos. I build applications for teams that need bookings, customer workflows or internal tools to work better. Based in Athens, Greece, I collaborate directly with you, including remotely.

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My work also covers NestJS backends, APIs and AI workflows. Explore full-stack TypeScript development.

Start a product, or improve one

For a new application, we define the core workflow and ship a useful first version. For an existing Next.js app, I can help with features, integrations, performance and maintainability after reviewing the code and your priorities.

The work can include React interfaces, Node.js APIs, authentication, database design, payments and AI integrations where they serve a clear purpose.

Relevant work

Matcha — I co-founded the product and lead engineering. Its Next.js dashboard connects to a NestJS backend for WhatsApp bookings and a shared calendar.

Apollon — I built a pet boarding CRM with Next.js and MongoDB, bringing clients, pets, rooms and bookings into one workflow.

How we work together

  1. Understand your users, current workflow and the problem worth solving.
  2. Agree the scope, technical approach and milestones before development.
  3. Build in reviewable steps, using your feedback to refine the product.
  4. Validate the important workflows and prepare deployment and handover.

Before we start

What should I send?

A short description of the problem, who will use the application and any existing website or code. A rough scope is enough to begin a conversation.

How much does it cost, and how long will it take?

That depends on the scope and the starting point. We discuss the requirements and agree an estimate before committing to the work.

Can you add AI to an existing product?

Yes. We first define what the integration should do, how to check its output and when a person needs to take over. Matcha and my work at LgMAR show different approaches.

Discuss your project