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02 · Hiring pathway

Backend Engineer

Business logic, APIs, databases, asynchronous processing, integrations, validation, and production issue investigation.

Technology alignment

Current tools, connected to evidence.

Technology names support the story; they do not replace project and production proof.

01Django02Django Ninja03Django REST Framework04Laravel05PostgreSQL06MySQL07Redis08Celery

Relevant case studies

Selected work for Backend hiring teams.

Each case study identifies context, ownership, constraints, implementation, and operational value.

Public YAHSHUA One product homepage
Employment contributionCurrent production work

YAHSHUA One

Ongoing engineering contribution to a business-critical payroll and HRIS platform spanning backend services, legacy interfaces, databases, background jobs, and client-specific workflows.

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Veltrix Cloud public landing page
Personal projectActive development

Veltrix Cloud

A full-stack cloud storage product focused on authenticated access, encrypted file handling, resumable uploads, background assembly, and familiar workspace organization.

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BCH vending machine prototype selection interface
Internship projectPrototype evidence available

BCH Vending Machine

A vending workflow connecting a Vue interface, Python backend services, BCH transaction handling, the Paytaca app, and Raspberry Pi hardware control.

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Production relevance

Full Stack Developer at YAHSHUA One

Maintains and extends a production payroll and HRIS platform across backend services, legacy frontend workflows, asynchronous processing, databases, and client-specific business rules.

DjangoDjango NinjaAngularJSPostgreSQLRedisCeleryDockerMinIO
  • Contributes across Django and Django Ninja services, AngularJS workflows, and PostgreSQL-backed application behavior.
  • Works with Redis-backed Celery jobs, Docker development environments, and object-storage workflows.
  • Investigates interconnected payroll, attendance, approvals, scheduling, payslip, portal, notification, and reporting behavior.
  • Adds validation and regression-aware changes while keeping employer and client data confidential.

Matched capabilities

What I can contribute in this pathway.

Production experience

Backend engineering

Business rules and data flows that hold up under real operational constraints.

  • Django · Django Ninja · DRF
  • Laravel · PHP
  • REST APIs · authentication · permissions
  • Validation · error handling · regression protection
  • Redis · Celery · queue-based processing
  • Third-party and payment integrations
Production experience

Data & infrastructure

Practical ownership across databases, local environments, storage, and debugging.

  • PostgreSQL · MySQL
  • Redis · Celery
  • Docker · WSL · Linux
  • MinIO and object storage
  • Logging · environment configuration
  • Git and deployment workflows
Supporting experience

Additional technical breadth

Cross-discipline context that helps diagnose systems beyond a single code layer.

  • Raspberry Pi · Arduino · IoT prototypes
  • Hardware-software communication
  • Networking fundamentals
  • Server and endpoint troubleshooting
  • Technical support
  • Operational documentation

Next step

Hiring a Backend Engineer?

Let's compare the role's workflows and constraints with the evidence in this portfolio.

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