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Engineering • Product • Leadership

Phnom Penh, Cambodia

Engineering Manager & Senior Full-Stack Engineer

Leading teams. Building products. Solving complex problems.

I'm Men Ratana. I lead engineering teams and help them turn business requirements into reliable products — from UI/UX and front-end architecture to code review and Agile delivery.

Open to meaningful technology opportunities

Portrait of Men Ratana
Men Ratana

01 / About

Engineering beyond writing code.

My career has evolved from hands-on software development into engineering leadership while keeping me close to technology.

I care about why we build, how teams collaborate, and how technology supports real business goals.

02 / Leadership

Building strong products starts with building strong teams.

People development, technical quality, structured delivery and continuous improvement.

  • Team Leadership & Mentorship

    • Coaching
    • Mentoring
    • Knowledge sharing
    • Feedback
  • Delivery & Execution

    • Sprint management
    • Task assignment
    • Schedule management
    • Deliverables
  • Strategy & Roadmap

    • Roadmaps
    • Development strategy
    • Delivery planning
    • Technical direction
  • People Management

    • Performance evaluation
    • Training
    • Conflict resolution
    • Team support
  • Technical Leadership

    • Front-end development
    • Code review
    • Architecture discussions
    • Quality assurance

Where this was put into practice:Dev Department Manager, PipedBitsOrganizer, Python Cambodia 2023

03 / Experience

From Software Engineer to Engineering Leader

From hands-on engineering to UI/UX, delivery and engineering management.

  1. Current

    Feb 2023 — Present (3 yrs 8 mos)

    Senior Engineer Development

    SQUEEZE Asia (official website, opens in a new tab)Cambodia

    Phnom Penh company of the Japanese SQUEEZE group — hotel-operations support and development of lodging-management systems.

    Responsibilities

    • Front-end development
    • UI/UX
    • Code review
    • Japanese customer requirement analysis
    • System requirement analysis
    • Agile development
    Show 3 more
    • Software Development Life Cycle
    • Scrum collaboration
    • Cross-functional communication
  2. Engineering Management

    Mar 2021 — Feb 2023 (2 yrs)

    Team
    6 Engineers
    Focus
    People • Product • Technology • Delivery
    Method
    Agile / Scrum

    Responsibilities

    • Agile / Scrum project management
    • Managed six team members
    • Discussed roadmaps and strategies with upper management
    • Performance evaluation
    • Staff training
    • Conflict resolution
    Show 6 more
    • Schedule management
    • Task assignment
    • Deliverable management
    • Front-end development
    • UI mock-up
    • Code review
  3. Mar 2019 — Feb 2021 (2 yrs)

    Software Engineer — Spiral System V2

    PipedBits (official website, opens in a new tab)Cambodia

    A low-code cloud development platform for building web applications.

    Responsibilities

    • Front-end development
    • UI mock-up creation
    • Figma team library
    • Japanese customer requirement analysis
    • System requirement analysis
    • Code review
    • Engineering collaboration

    Technology

    • Angular
    • TypeScript
    • Bootstrap
    • HTML
    • SCSS
    • Express.js
    • Figma

Parallel engagement

  • Freelance Engagement

    Sep 2024 — Dec 2024 (4 mos)

    Web Application Engineer

    No.5 StickerCambodia

    Alongside my current role at SQUEEZE Asia.

    Business management app with KHQR invoice payments through ABA PayWay.

    • Customer requirement analysis
    • Direct collaboration with client
    • Business application development
    • ABA PayWay payment integration
    • KHQR code for each invoice amount
    • Invoice functionality
    Show 4 more
    • System requirement analysis
    • Receipt functionality
    • Quotation functionality
    • Multi-business sales record functionality
    • Python
    • Django
    • Bootstrap
    • JavaScript
    • ABA PayWay
    • KHQR

04 / Expertise

Leadership supported by technical depth.

Management, engineering, design and modern tooling.

Engineering Leadership

  • Engineering Management
  • Agile / Scrum
  • Project Management
  • Team Leadership
  • Mentorship
  • Performance Management
  • Requirement Analysis
  • Code Review
  • Quality Assurance
  • Product Development
  • Cross-functional Collaboration
  • Business Process Automation
  • Frontend

    • Angular
    • React
    • Vue.js
    • TypeScript
    • JavaScript
    • HTML5
    • SCSS
    • Bootstrap
    • Tailwind CSS
    • Storybook
  • Product & UI/UX

    • Figma
    • FigJam
    • Adobe XD
    • Photoshop
    • Illustrator
    • UI/UX Design
    • Prototyping
    • Product Development
  • Backend

    • Node.js
    • Express.js
    • Django
    • Python
    • PHP
  • Database

    • MySQL
    • PostgreSQL
  • Cloud & DevOps

    • AWS
    • DigitalOcean
    • GitHub Actions
    • CircleCI
  • AI & Productivity

    • ChatGPT
    • GitHub Copilot
    • Claude
    • AI-Assisted Coding
    • Workflow Automation
    • Prompt Engineering

Collaboration Tools

  • GitHub
  • Jira
  • Redmine
  • Notion
  • Slack
  • Trello
  • Miro
  • Microsoft Teams

05 / Work

Selected Work

Platforms, business applications and client work I helped build.

Low-Code / Cloud Development Platform

Full-time roleFeatured

Spiral System V2

  • Company: PipedBits
  • Role: Software Engineer
  • Period: Mar 2019 — Feb 2021

A low-code cloud development platform used to build web applications.

  • Angular
  • TypeScript
  • Bootstrap
  • HTML
  • SCSS
  • Express.js
  • Figma

Key contributions

  • Front-end development
  • UI mock-up creation
  • Figma team library
  • Requirement analysis
  • Japanese customer communication
  • Code review
  • Team collaboration

View case study

Business Application

Freelance engagement

Business Management Application

  • Client: No.5 Sticker
  • Role: Web Application Engineer
  • Period: Sep 2024 — Dec 2024

Invoices, receipts, quotations and multi-business sales records in one app, with KHQR invoice payments through ABA PayWay.

Scope+1 more

  • Invoice generation
  • KHQR payment for each invoice
  • Receipt generation
  • Quotation generation
  • Python
  • Django
  • Bootstrap
  • JavaScript
  • ABA PayWay
  • KHQR

View case study

Product Engineering

Current roleConfidential— Some project details are limited due to confidentiality.

Client Product Engineering

  • Company: SQUEEZE Asia
  • Role: Senior Engineer Development
  • Period: Feb 2023 — Present

Current senior engineering work with Japanese customers, delivered through Agile / Scrum.

Key contributions+3 more

  • Front-end development
  • UI/UX
  • Code review
  • Japanese customer requirement analysis

View case study

06 / Approach

How I Lead & Build

A repeatable way of working — from the first requirement to the next improvement.

  1. Step 01Understand

    • Business objectives
    • User needs
    • Constraints
  2. Step 02Align

    • Stakeholders
    • Scope
    • Priorities
  3. Step 03Design

    Define

    • Architecture
    • User experience
    • Delivery strategy
  4. Step 04Build

    Support

    • Development
    • Technical decisions
    • Problem solving
  5. Step 05Review

    Validate

    • Code quality
    • Product quality
    • Delivery readiness
  6. Step 06Improve

    Improve through

    • Retrospectives
    • Automation
    • Continuous learning

Improvement feeds back into understanding — a continuous cycle, not a one-off process.

International

Working Across Teams & Cultures

Working with Japanese customers and stakeholders to turn business and system requirements into development tasks.

Cambodia

Engineering & Development

connected with

Japan

Clients & Stakeholders

  • Requirement clarification
  • Technical communication
  • Stakeholder alignment
  • Cross-cultural collaboration
  • Delivery coordination

Modern Engineering

Modern Engineering & AI

Interested in AI-assisted development and workflow automation that make teams more productive.

AI is a tool in the workflow — engineering judgment, review and accountability stay with the team.

  • AI-Assisted Coding
  • GitHub Copilot
  • ChatGPT
  • Claude
  • Workflow Automation
  • Prompt Engineering

07 / Recognition

Recognition & Milestones

  • Received 1 time

    MVP Award

    PipedBits, Cambodia

    Strong half-year achievement and presentation.

    Recognition included a business trip to Japan.

  • Received 2 times

    5 Stars Award

    PipedBits, Cambodia

    Selected by managers, approved by the Board of Directors.

  • Received 3 times

    Devotion Award

    PipedBits, Cambodia

    Company events on business ideas and product or mock-up creation using Spiral V2.

  • Invited observer

    Digicon6 Tokyo

    Tokyo, Japan16–20 November 2016

    Invited observer at an event with participants from ASEAN countries.

08 / Education

Education

Professional strengths

  • Leadership & Mentorship
  • Strategic Thinking
  • Problem Solving
  • Communication
  • Team Collaboration
  • Adaptability
  • Fast Learning
  • Continuous Improvement

09 / Contact

Let's talk about engineering, products, and opportunities.

Open to conversations about engineering leadership, product development and new opportunities.

Location
Phnom Penh, Cambodia

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