System architecture & analysis
Analyzing existing systems and business needs, then designing the architecture: components, data flows, integrations, and the trade-offs that keep it scalable.
whoami
About Regga.
As-salaamu'alaikum(may peace be upon you)
I'm Regga, also known as reggarantai, a consultant for web development, system modernization, web maps, and internal apps.
cat bio.md
Turning complex problems into reliable systems.
I help organizations design, build, and run complete systems, from analysis and architecture to databases, back-end services, front-end, web maps, and the infrastructure that keeps it all running.
With 13+ years of professional experience, I work with engineering teams, designers, content teams, and stakeholders to define technical solutions that are performant, scalable, and easy to maintain. My role goes beyond implementation: I design the system architecture, lead teams, set development standards, and support them in delivering high-quality digital products.
My work spans monitoring and analysis platforms, internal and enterprise systems, data platforms and APIs, web maps, and content management systems.
- experience
- 13+ years as a professional, since 2013
- role
- Freelance full-stack developer, system architect & technical consultant
- sectors
- Private sector, non-profits, environmental monitoring, transportation & logistics, research & data publishing
- educational background
- Computer Science & Applied Mathematics
expertise --core
Core expertise.
Full-stack development
Front-end, back-end, and APIs built as one coherent system, from modular interfaces to services and third-party integrations.
Databases & data
Data modeling and database design, harvesting and indexing pipelines, and fast search across large collections.
DevOps & infrastructure
Server migration and hardening, containers, CI/CD pipelines, and monitoring, so releases stay routine and systems stay up.
Web maps & data visualization
Geospatial platforms, interactive dashboards, and custom charts that turn complex datasets into decisions.
Technical leadership
Leading engineering teams through architecture reviews, technical guidance, code reviews, mentoring, and implementation planning.
cat principles.md
Principles behind every decision.
Maintainability first
Solutions should stay easy to understand and extend over time.
Reusability
Components, services, and modules should be configurable and reusable across features and future projects.
Performance
Fast pages, efficient queries, and optimized assets are baseline requirements.
Scalability
The architecture should support future growth without a major redesign.
Self-service for teams
Editors and admins should be able to manage content and data on their own whenever possible.
cat stack.txt
Tech stack.
- backend
- Node.js · Fastify · PHP · Symfony · Python · FastAPI
- database
- PostgreSQL/PostGIS · MySQL · Apache Solr
- api
- REST · GraphQL · OAuth2 · JWT
- devops
- Docker · GitHub Actions · Jenkins · Linux
- frontend
- React · TypeScript · Next.js · Gatsby
- maps
- OpenLayers · ArcGIS JS SDK · Google Maps API
- dataviz
- Highcharts · Apache ECharts · custom SVG
- cms
- WordPress · custom Gutenberg blocks · headless CMS
help --modes
Three modes, one consultant.
Like an agent that can plan, lead, or execute. The mode can change mid-project.
PLAN--mode=plan
Design the solution
Audit your system, design the architecture, and build a realistic roadmap before a single line of code is written.
- technical & security audit
- architecture & stack recommendations
- roadmap, estimates, priorities
LEAD--mode=lead
Lead the project, with my team
I act as project lead and bring my own team, one that already works to my standards. You only deal with one person.
- one point of contact, kick-off to release
- team assembled for your project
- regular progress & risk reports
BUILD--mode=build
Hands-on, with a team of AI agents
I get hands-on as a senior developer orchestrating several AI agents at once. You get the speed of a team, while decisions and quality stay with me.
- one senior dev, many parallel agents
- every change reviewed and tested
- handover documentation
Let's build systems that last.
Whether you're building a data-driven platform, modernizing a legacy system, or developing a complex enterprise application, I help teams design scalable solutions that balance technical excellence with business goals.