rinkachi.dev

I'm Matthew.

A one-man platform team for products built to last.

I connect architecture, backend and application engineering, DevOps, cloud, security, and AI automation - one person, the whole system. I help teams move from uncertainty to production without decision chaos.

  • Architecture
  • Backend
  • DevOps
  • Cloud
  • Security
  • AI automation
Get to know me better

Engineering powered by passion.

How I work

I build products that are easy to maintain and grow.

I do not start with a stack or a backlog. I map the problem, constraints, and decisions that matter, then shape the architecture, delivery rhythm, and operating standard the team can carry forward after launch.

01 / whole picture

I design the complete product: domain, processes, and operations.

Good architecture starts before the repository.

I connect domain, process UX, integrations, data, security, and operations. That keeps technical decisions clear to the business and business requirements intact in implementation.

  • Domain model, roles, processes, and critical flows.
  • Module boundaries, API contracts, and team responsibilities.
  • Technical risks named before they become cost.
Competency map

02 / decisions

I design decisions a team can defend.

I choose technology based on the project's real constraints.

I choose solutions through cost, risk, maintainability, security, and delivery speed. I leave behind clear ADRs, contracts, and the reasoning behind the shape of the system.

  • Modular monolith, microservices, or a simpler path where it makes sense.
  • Testing, performance, and resilience without ceremony for ceremony's sake.
  • Security by design across identity, pipeline, and runtime.
Read my writing

03 / production

I build things you can deploy, observe, and evolve.

A release is only the beginning of ownership.

I design backends, platforms, and automation with real operations in mind. The system should be readable to the team, predictable for the client, and ready for the next iteration.

  • Pipelines, quality gates, IaC, and environments ready for repeatable release.
  • Logs, metrics, traces, and failure scenarios as part of design.
  • AI automation where it shortens the cycle without losing control.
See projects

04 / partnership

I work as a technical partner.

A serious product needs someone who speaks plainly.

I give clarity: what is worth building now, what should wait, where the risk is real, and how to deliver without debt that steals momentum after launch.

  • Technical discovery and roadmap without artificial complexity.
  • Working with founders, teams, and stakeholders in one decision language.
  • Mentoring and standards that remain in the team after my engagement.
Get to know me

Proof of work

The system behind the screen.

A screen is only the first layer. Behind it are the domain model, delivery, observability, security, and the decisions that keep the product alive after launch.

Japonics logo ELITE-PULSE logo Ankior Technologies logo
See portfolio See companies
  1. 01
    Development web, backend, mobile

    Building products

    I design and build web/mobile products from domain thinking to code the team can understand.

  2. 02
    DevSecOps cloud, CI/CD, security

    Deliver, maintain & secure

    I connect cloud, DevOps, and security across pipeline, runtime, and operations before they split into separate problems.

  3. 03
    AI + automations workflows, control, leverage

    AI automation systems

    I implement AI and automation where they reduce repetitive work without giving away control.

Mentoring

I help you make better decisions.

We work on real decisions, habits, and feedback. The goal is concrete progress in technology, finances, health, or career.

Effect

The standard stays

  • Clear direction for technical and career growth.
  • A weekly rhythm for work, feedback, and accountability.
  • Better decisions, code reviews, and team communication.
  • Practical standards that remain after mentoring.
Open mentoring
01

Technical craft

Problem

There is no clarity on what to develop next. Blockers, decision paralysis, and uncertainty about where to start take over.

What I offer

I help build a learning roadmap, development priorities, and a steady rhythm for technical growth.

Result

You know what to focus on now, what to postpone, and how to grow without jumping between random topics.

Knowledge sharing

I show how I make technical decisions.

I publish on architecture, DevOps, security, and engineering quality because a good technical partner should be able to explain decisions clearly.

Ikigai in practice

I turn project lessons into reusable engineering judgment.

Knowledge sharing is part of my ikigai: it clarifies decisions, shortens discussions, and turns project experience into practical patterns for the next team.

Knowledge shared clearly becomes leverage for the next team.

Featured resource

Latest writing

Open blog Open resources

Contact

Need someone to own the technical direction?

Tell me what you are building, where the system is starting to break, and what result you need to deliver. I will respond concretely: what to simplify, what to secure, and where I can step in hands-on.

Who I am Japonics