Delwin's Dev Guide | Tech Reviews & Tutorials

About Delwin's Dev Guide

Bridging the gap between technology, product and user engagement

Delwin's Dev Guide is your trusted source for comprehensive product reviews and documentation focused on electronic equipment for makers, hobbyists, and professionals. From CNC machines, 3D printers to pen plotters to pick-and-place machines, I deliver detailed, honest assessments that help you make informed engineering and product decisions.

With a background in Electronic Engineering and over 20 years of experience building large-scale hardware and software teams at companies like Amazon and AWS, I bring a unique perspective that combines deep technical knowledge with practical, hands-on testing. My reviews don't just scratch the surface—they dive deep into performance, usability, documentation quality, and real-world value.

Whether you're a hobbyist exploring your first open source project or a professional evaluating equipment for your workshop, my goal is to provide the insights and assets you need to succeed.

20+

Years in Hardware & Software Engineering

50+

Established teams of SOP's from small (2-3) to large scale engineering initiatives(50+ engineers)

Launched products in 5 countries (US, EMEA, APAC)

20B+

Launched experiences that scale to billions of Requests/Month

What I Offer

Comprehensive content and services for the maker community

📝

Product Reviews

In-depth, hands-on reviews of products. Balanced assessments covering build quality, ease of use, documentation, possible improvements and value.

🎬

Video Tutorials

Step-by-step video guides that walk your customers through setup, operation, and optimization of maker equipment. Clear explanations designed for both beginners and experienced users.

✍️

Technical Writing

Documentation & Translation for your product portfolio. Detailed written content including setup, troubleshooting documentation, and comprehensive reports on product performance and improvement areas.

Professional Experience

A track record of technical leadership and engineering excellence

4 Years

Head of Software Development

Amazon Devices — Alexa+ Audio Search & Discovery Experiences

Leading engineering teams across distributed hardware, systems and cloud infrastructure. Established device firmware application base for product experiences handling 20B+ requests per month. Championed the launch strategy for Real-time Alexa+ Audio Experiences using multi-model Generative AI.

3.5 Years

Head of Japan Seller Software Development

Amazon Seller Services — Tokyo, Japan

Led Marketplace & Seller Services in Japan, establishing technical strategy that elevated product adoption from 17% to 69% with specific emphasis on the Japanese and APAC customer base.

1 Year Project-based

Director of R&D and go-to-market engineering

Laava R&D — Sydney, Australia

Directed engineering efforts to transition R&D into launch-ready products. Led five teams across engineering, product, mobile, web, and partner integration. Increased R&D and release velocity by ~60% through hands on implementation of engineering best practices. Product launch and readiness in US and APAC.

6 Years

Senior Software Development Leader

Amazon Web Services — Sydney, Australia

Established AWS's Support & Operations Model in EMEA, APAC and WW for RDS, Big Data and Core Networking.

3 Years

Senior LINUX/UNIX Systems Engineer

MTN, Verizon Business - Southern Africa

Administered and maintained critical Linux/UNIX server infrastructure and services for enterprise telecommunications operations. Managed system performance, security, and availability across distributed environments in Southern Africa.

6 Years

Electronic & Production Engineer / Technical Manager

Peralex Electronic & SpectrumPECUS Development

Led complete SMT conversion initiative, redesigning all existing products and PCBs (up to 4-layer SMT) to modern surface mount specifications. Designed 7 new products from concept to market, including PCB layout, microprocessor design using Freescale HC12/HC08 and Motorola controllers. Programmed and configured SMT production line including pick-and-place machine setup and three-stage reflow oven profiling. Managed production teams, implemented quality control procedures, and successfully launched three new products to market with improved power consumption and advanced technology integration.

Technical Proficiencies

SMT Production & Assembly

PCB Design & Layout

Reflow Oven Profiling

Pick & Place Programming

Microprocessor Design

Embedded Firmware Development

Electronic Systems Design

Product Design & Review

Quality Control & Testing

Production Line Engineering

Technical Documentation

Product Testing & Validation

Distributed System Design

Cloud Architecture

AWS/Google Cloud Services

Generative AI

Linux/UNIX System Engineering

Frontend Development: ReactJS, ReactNative & Flutter

Engineering Consultancy

Technical Leadership

Tech Reviews& Writing