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bawonsak.p

01 · About

A backend engineer who stays after the deploy.

I'm a Senior Software Developer at Entronica, focused on backend engineering, system architecture, enterprise software, and production operations.

Most of my work lives where systems get difficult: large data volumes, complex workflows, background processing, third-party integration, database performance, and the constraints that only show up after deployment.

I've designed and built messaging platforms, campaign and scheduling systems, reporting and validation pipelines, and e-commerce order consolidation with Shopee, Lazada, and Thailand Post integration. Some of those systems I still operate — which keeps me honest about the decisions I made building them.

Where I'm heading

Tech Lead, Backend Architect, CTO-track roles, and software consulting. The common thread: owning technical decisions end to end, and being accountable for how they behave in production.

02 Working together

What an engagement with me looks like

Whether it's a freelance build, a consulting review, or a lead role — the shape is the same.

  1. 01

    Understand first

    Requirements, the current workflow, and the real constraints — data volume, deadlines, team, and budget.

  2. 02

    Architecture before code

    System boundaries, data model, API contracts, and the trade-offs — written down, so we can disagree early instead of late.

  3. 03

    Build in vertical slices

    Working software early, starting with the riskiest part — the integration, the data volume, or the scheduler.

  4. 04

    Deploy carefully, operate honestly

    CI/CD, observability, rollback plans. If something breaks, you hear it from me first, with a diagnosis and a plan.

  5. 05

    Leave it maintainable

    Documentation, handover, and decisions that can be explained later. The goal is a system your team owns, not one you rent from me.

Sound like the kind of engineer you need?

I'm open to senior roles, consulting engagements, and integration-heavy freelance projects.