Have an electronics product idea that you want to become reality? I determine manufacturing costs, develop prototypes, and arrange for mass manufacture. Turn key for your idea - start to finish!. I take pride in providing high quality work.
Background
I am a electronics engineer with 3+ years experience: electronics design, design for manufacture, firmware engineering, mechanical designs and systems engineering. Masters in electronics engineering from The University Of Adelaide one of the top University in Australia. 1+ year professional experience as a Wireless Communication Engineer at the Biomedical Laboratory in Adelaide, SA. An additional experience as a professional engineer with companies in Brisbane & Adelaide.
Skills
Engineering finance (manufacturing cost estimation), PCB/circuit design, embedded firmware/software, Android/iOS apps for BLE control of microcontrollers, CAD, robotics & power control systems, and more. I have necessary recognition from Engineers Australia and INCOSE organizations.
Professional research associate in a previous career; Clients often hire me to write on complex engineering topics, from tutorials, articles, research into engineering companies, market research, patents, etc. I provide guidance on compliance testing and relevant documentation for national level selling.
keywords: ESP32, nRF52, ATmega, STM32, BLE, bluetooth, WiFi, Arduino, Zigbee, PCB design, Eagle, KiCAD, CAD, Fusion360, Autodesk, IoT, wireless, IMU sensor, solar power, MPPT, RF, RS-485, CAN Bus, product designer, electronics engineer, prototype engineer, DFM, design for manufacturing.
Electronic Design Automation Software
Electronic Circuit Design
CAD
Manufacturing
Testing
Industrial Engineering
Project Management
Modeling
Firmware
Athula K.
Narre Warren, Australia
$20/hr
5.0
5 jobs
I’m a qualified Electronic & Electrical Engineer with over 8 years of cross-functional experience across hardware design, firmware development, and creative technologies. My core strength lies in delivering innovative, reliable solutions that blend engineering precision with user-centric design.
🌐 What I Bring to the Table
- Hardware & Firmware Expert: 8+ years of experience designing custom embedded systems, developing efficient firmware in C/C++ and Arduino, and building robust PCBs using Altium, Eagle, and KiCad.
- IoT & System Integration: Developed smart automation systems using ESP32, Raspberry Pi, and STM32 platforms. Skilled in MQTT, OTA updates, and cloud-connected devices.
- Web & Backend Development: Proficient in building scalable back-end services and web dashboards for IoT systems using PHP, JavaScript, and Laravel.
🏆 Achievements
- Best Project Award by IESL Sri Lanka for a wireless power transfer system.
- 1st place in Robotics Competition – University of Peradeniya.
- Over 100 custom PCBs designed and delivered to global clients though Fiverr.
If you're looking for a versatile problem-solver who thrives in both engineering and creative domains, let’s connect and bring your ideas to life.
Additionally, I have team of hardware and software experts, and we can do large projects and develop and deliver complete solutions.
PCB Design
Arduino
Altium Designer
KiCad
Electronics
Engineering Design
C++
Embedded C
Embedded Linux
Python
Internet of Things
ESP32
STM32
nRF52
Circuit Design
Muhammad A.
Melbourne, Australia
$60/hr
5.0
34 jobs
P R O F E S S I O N A L S U M M A R Y
Results-driven Electronics Engineer with 14+ years of experience in Embedded Systems, Internet of Things (IOT) and High-Speed PCB Design. Proven expertise in end-to-end product development, from concept to mass production, with a strong focus on reliability, integrity, efficiency, and security. Adept at Agile workflows, crossfunctional collaboration, and managing engineering teams.
Electronic System Design : Designed and developed advanced electronic systems for cash-handling machines, including power, sensors and data distribution and processing boards, leveraging STM32 microcontrollers, iMX8 MPUs, Raspberry Pi Compute Module CM4. Customized single board computers and carrier boards are designed with iMX8M and CM4 using DDR3L, HDMI, PCIE Gen 3, USB 3.0, CAN, Ethernet etc. Altium Designer is used for PCB designing.
Hyperlynx SI & PI suits are used for signal integrity and power integirty of pcb boards. Efficient pcb stackups are designed for high speed and mixed signal boards.
Power Distribution & Safety : Engineered efficient, reliable, and safe DC power distribution boards for various products, ensuring compliance with industry standards IPC-2221 and IPC-2152.
EMI Mitigation & Signal Integrity : Implemented EMI noise suppression techniques using optimized PCB stack-ups and advanced filtering methods.
Hardware Testing & Debugging : Conducted rigorous hardware testing and debugging to ensure optimal performance, reliability and functional compliance using test jigs, power loads, multimeters, oscilloscopes and logic analyzers.
DFM, DFT & DFA Analysis : Performed Design for Manufacturing (DFM), Design for Testability (DFT), and Design for Assembly (DFA) analysis to streamline mass production.
Version Control & Collaboration : Managed version control in hardware design using Git and Altium 365, ensuring efficient collaboration with team and design traceability.
Firmware Development & Debugging :
Developed and maintained secured firmware across the entire product line including secure OTA, STLink and JTAG are used for in-depth debugging and code optimization. Version control using Git and bitbucket for code management and maintenance. STM32Cube IDE is used as
development framework environment.
Secure Boot & Encryption : Implemented secure booting and encryption in firmware using STM32 Encryption SDK, integrating hardware encryption chips for enhanced security. AES is used for hashing and RSA for enhanced encryption.
Procurement & Component Sourcing : Led component sourcing and procurement efforts for next-generation hardware products, ensuring supply chain efficiency and cost-effectiveness.
Remote OTA Updates & Custom Bootloaders : Developed remote over-the-air (OTA) update mechanisms and custom bootloaders to enhance device maintainability and security.
Custom Communication Protocols: Engineered proprietary communication protocols using Protocol Buffers and JSON for nextgeneration product integration and scalability.
Agile Development & Project Management : Experienced in Agile workflows, utilizing Jira for tracking daily and biweekly tasks across multiple concurrent projects.
Embedded System
C++
Microcontroller Programming
Hardware Prototyping
Embedded C
Arduino
PCB Design
Circuit Design
AVR Microcontroller
Multilayer PCB
ESP32
WiFi
STM32
Electronic Design
Ram R.
Dee Why, Australia
$35/hr
5.0
7 jobs
A highly adept electronics design engineer with extensive expertise in electronics and robotics, encompassing design, development, testing, and manufacturing of products and systems tailored for industrial applications.
My Skill Set:
Proficiencies in electronics design, embedded systems design, IoT design, assembly, and manufacturing support, along with adeptness in failure analysis, troubleshooting, application support, effective communication, coaching, guidance, project management, and leadership.
Areas of Expertise:
Specialized in analog and digital design, wireless technologies, IoT solutions, utilizing Altium Designer for schematic and PCB design, sensors, MEMS, battery management modules, interfacing modules, and proficient in LTSpice simulation.
Currently employed as an Sr. Electronics Engineer (RF, IoT, Analog Circuits) in Sydney, with previous roles as a Telecom Engineer and Robotics Engineer.
Key Achievements:
#Designed analog and digital interfacing circuits, microcontrollers, and ADC/DAC systems.
#Hands-on experience with MCU platforms such as ESP32, STM32, IM.6, Arduino, Raspberry Pi, etc.
#Proficient in firmware development using RTOS, Arduino framework, Esp-idf, Node-Red, etc.
#Developed interfacing and signal conditioning circuits for diverse applications.
#Expertise in RF design, IoT devices, and wireless technologies including Wi-Fi, LoRa, LTE, BLE.
#Proficient in wired protocols such as RS232, I2C, SPI, CAN, USB, and Ethernet.
#Extensive knowledge in electromechanical components, MEMS, sensors (accelerometer, IMU, proximity, temperature), power supply design, DC-DC converters, SMPS design, MOSFETs, relays, and driver circuits.
#Proficient in Altium Designer for schematic and PCB layout design, as well as LTSpice simulations.
#Hands-on experience in the product certification process including CE, FCC, RCM, ICASA, etc.
Microsoft Excel
Typing
PHP
HTML
Eagle
Android App Development
Java
Visual Basic for Applications
Arslan A.
Sydney, Australia
$75/hr
5.0
3 jobs
I help startups and scaling teams build AI-powered Python systems, including agentic AI systems, LLM integrations, RAG pipelines, production backend APIs, and ML infrastructure.
G'day, I'm a Senior Full-Stack Python AI Engineer with over 7 years of experience building SaaS products, backend systems, and AI features that run in real applications.
I’ve built multiple products that reached Y Combinator (YC) proving my ability to turn ideas into scalable, investor-backed startups.
A lot of my work sits on the backend. I design APIs, services, and system architecture using Python frameworks like FastAPI, Django, and Flask. I care quite a bit about clean architecture, well-structured APIs, and systems that are easy for teams to maintain months or years down the line, not just something that works for a demo.
Over the past few years, a big part of my work has also been integrating AI capabilities into real products. That means building production-ready LLM integrations, RAG pipelines, and agentic AI systems. I work with LLMs such as OpenAI's GPT models, Claude, and Gemini, and I build multi-step AI agents, agentic workflows, RAG pipelines, chatbots, internal knowledge assistants, and ML features that support real business workflows. The focus is always on making these systems reliable and predictable inside production environments.
I've also worked across the machine learning engineering lifecycle when projects require it. That includes building data pipelines, training models, exposing them through APIs, and setting up monitoring so the system keeps behaving as expected after deployment.
On the infrastructure side, I usually deploy services using Docker and cloud platforms like AWS or GCP. That includes setting up CI/CD pipelines, containerized deployments, scalable ML inference systems, and monitoring so teams have visibility into how things are running.
Over time I've worked with companies across several industries including SaaS, fintech, edtech, logistics, real estate, healthcare, retail, gaming, and media platforms.
Technologies I work with regularly
Backend and APIs: Python, FastAPI, Django, Flask, REST APIs, GraphQL, SQLAlchemy, Pydantic, Asyncio, Microservices Architecture, API Integrations
Frontend: React, Next.js, Tailwind CSS
AI, LLM Integration and Intelligent Systems: OpenAI (GPT-5, GPT-5.2), Claude, Gemini, LangChain, LlamaIndex, LangGraph, Agentic AI, AI Agents, Agentic Workflows, RAG Pipeline Development, Chatbots, Knowledge Assistants, Prompt Orchestration
Machine Learning and Data Science: PyTorch, TensorFlow, scikit-learn, XGBoost, LightGBM, Hugging Face, OpenCV, Pandas, NumPy, SciPy
Vector Databases and Embeddings: Pinecone, Weaviate, FAISS, Vector Embeddings, Semantic Search
Databases and Data Systems: PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch, Kafka, Data Modeling and Query Optimization
Background Processing and Distributed Tasks: Celery, Redis Queues, Async Workers, Scheduled Jobs
ML Infrastructure and Data Pipelines: Airflow, Feast, MLflow, DVC, Feature Pipelines, Experiment Tracking, Model Versioning
Cloud and Infrastructure: Docker, Kubernetes, Terraform, AWS (EC2, ECS, Lambda, S3, RDS, SageMaker, ECR, API Gateway), GCP (Cloud Run, Vertex AI, GCS, BigQuery)
Monitoring and DevOps: Prometheus, Grafana, OpenTelemetry, GitHub Actions, GitLab CI, CI/CD Pipelines
If you're looking for a Python AI engineer who can take your backend systems, LLM integration, agentic AI workflows, or RAG pipeline from idea to production, share what you're building and I'll give you a direct take on the best path forward.
Python | FastAPI | Django | Flask | REST API | API Development | Backend Development | Backend API Development | Microservices | Software Architecture | System Design | Distributed Systems | Scalable Systems | High Performance Systems | SaaS Development | API Integration | GraphQL | SQLAlchemy | Pydantic | Asyncio | PostgreSQL | MySQL | MongoDB | Redis | Elasticsearch | Database Design | Query Optimization | Artificial Intelligence | Generative AI | Large Language Models | LLM | OpenAI API | GPT-4 | GPT-5 | Claude | Gemini | LangChain | LlamaIndex | LangGraph | AI Agents | Agentic AI | Agentic Workflows | AI Chatbot Development | Chatbot Development | Conversational AI | Prompt Engineering | Prompt Optimization | RAG | Retrieval Augmented Generation | Vector Database | Vector Search | Pinecone | Weaviate | FAISS | Semantic Search | Embeddings | Knowledge Base Systems | Knowledge Assistants | Document AI | Information Retrieval | Search Systems | Hybrid Search | Data Indexing | Machine Learning | Deep Learning | PyTorch | TensorFlow | scikit-learn | XGBoost | LightGBM
Artificial Intelligence
Python
FastAPI
Django
React
AI Development
Machine Learning
SaaS Development
AI Agent Development
Retrieval Augmented Generation
MLOps
PyTorch
LangChain
Pinecone
CI/CD
Large Language Model
OpenAI API
Data Engineering
ETL Pipeline
Vector Database
Luke F.
Melbourne, Australia
$55/hr
5.0
12 jobs
Software developer with experience with a wide range of products and technologies. Work experience with Rust, Go, Java, C++, Python, PostgreSQL, Kafka and Javascript/Typescript working on semi-embedded, desktop applications, distributed systems and web applications. Personal interests include the Rust programming language, electronics, 3D modelling/rendering/geometry, aviation, cartography, photography, blogging, and outdoor adventure sports. My personal software projects and open source contributions can be seen on GitHub.
Rust
Golang
TypeScript
PostgreSQL
Python
Apache Kafka
Java
Docker
HTML
Distributed Computing
Elasticsearch
Amazon S3
OpenGL
CNC Programming
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