Web applications
Portals, dashboards and internal tools in Laravel. Built to scale, well tested and maintainable for the long run.
PHP · Laravel · Livewire
Discuss this projectFreelance software developer
Web applications, APIs and apps that just work.
I'm Robin Speerstra. At Appspark I build custom software for companies that want one dedicated developer: from first idea to running in production.
01 — Services
From backend to app store, under one roof.
APIs & integrations
Designing and building REST APIs and connecting systems: payment providers, accounting software, CRMs and external platforms.
REST · Webhooks · OAuth
Discuss this projectMobile apps
Native-feeling apps for iOS and Android from a single codebase, including release to the App Store and Google Play.
Flutter · Expo · .NET MAUI
Discuss this projectDevOps & server management
Setting up and managing servers, containerized environments, automated deployments, caching and queues, so your application runs fast and stable.
Docker · CI/CD · Redis
Discuss this projectHave an idea, or an existing application that needs to be better?
Request a free quote02 — Stack
Proven tools, chosen deliberately.
I work with mature, widely supported technology. That keeps your software reliable and easy to hand over.
Backend
- PHP 8
- Laravel
- Livewire
- REST API's
- Composer
- PHPUnit / Pest
Data & caching
- MySQL
- MariaDB
- Redis
- Queues & jobs
- Elasticsearch
Mobile
- Flutter
- Dart
- Expo
- React Native
- TypeScript
- C#
- .NET MAUI
Infra & tooling
- Docker
- Docker Compose
- Nginx
- Linux
- Git
- CI/CD
03 — Process
Short lines, clear agreements.
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1
Intro
We discuss your idea, goals and constraints. No obligation, online or on site.
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2
Plan & quote
A concrete proposal with scope, timeline and price. No surprises afterwards.
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3
Build
Development in short iterations. You see working versions regularly and can adjust course.
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4
Launch & support
Delivery and deployment, followed by maintenance, monitoring and further development.
Working together
Project based
A defined project with fixed scope and clear delivery.
Hourly contract
Extra capacity for your existing team, remote or partly on site.
Maintenance & support
Updates, security and further development of existing applications.
04 — Contact
Got an idea or a project? Let's talk.
Tell me briefly what you want to build. I usually reply within one working day.
Robin Speerstra
Software developer