I provide mechanical design review and DFM consulting to help teams avoid costly manufacturing and assembly issues before prototyping or production. My work focuses on identifying design risks early — tolerance problems, assembly conflicts, manufacturability gaps, and cost drivers that are often missed during initial CAD development. Services I provide: -Mechanical design review for manufacturability (DFM / DFA) -Manufacturing readiness checks before prototyping or production -CAD cleanup and redesign for production -Tolerance and assembly risk assessment -Engineering second-opinion reviews I typically work with startups and small manufacturers who value clear technical judgment, written feedback, and defined scope. -Engagement model: -Remote delivery -Fixed scope and clear deliverables -Written reports with annotated screenshots -Optional asynchronous follow-up questions I hold a Bachelor’s and Master’s degree in engineering, with experience across product development and manufacturing-related projects. My approach prioritizes clarity, practicality, and designs that function reliably in production environments. Fixed-price projects are welcome.

A reliable electronics engineer and PCB and Circuit designer with 15+ years of experience (trusted by clients worldwide) in PCB design, schematic capture, hardware development, and manufacturing support. I deliver production-ready designs that reduce risk, shorten development cycles, and work right the first time. My PCB designs are not only functional but manufacture able, testable, and scalable. With my 100% Job Success Score, I help clients turn ideas into robust, production-ready electronic products. My specialization is in circuit design, schematic capture, multilayer PCB layout, embedded systems, power electronics, RF and microwave circuits and analog circuits. I can do design reviews, hardware development, hardware debugging, reverse engineering, design optimization, troubleshooting and ensure your project is delivered with precision and attention to detail. ⭐ Core Expertise ⭐ ✅ Multilayer PCB designing ✅ PCB design with high speed interfaces, such as LVDS, HS-CAN, CAN FD, RS-422, RS-485, USB 3.0, FPGA high speed SerDes, PCIe, LVPECL, LPDDR4 clock, HDMI ✅ High power PCB design up to 4 layers, 3.2 KW, 320V output at 10A load current ✅ Design for Manufacturing (DFM) & Design for Assembly (DFA) using JLC PCB and PCB way services ✅ EMC / EMI aware PCB design practice using industry standards such as IPC-2221, IEC61188, DO-254 ✅ JLC PCB and LCSC parts selection, finding in-stock components, creating BOM with updated and available parts, finding alternate parts with similar technical specifications ✅ Generating Gerber files, NC Drill files, CPL files, BOM files for production, prototyping & mass manufacturing ✅ Schematic and PCB design review ✅ Circuit Designing, analog, digital, RF, microwave, embedded, high power circuit designing ✅ Circuit Simulation & Analysis ✅ Microcontroller Programming in C language ✅ Reverse engineering from given Gerber files, PCB images, BOM ✅ Problem solving, hardware development, troubleshooting, hardware debugging, design optimization for power, thermal, mechanicals constraints ⭐ PCB Design Software ⭐ ✅ Altium Designer v24 ✅ KICAD v9 ✅ DIP TRACE ✅ EasyEDA ⭐ Circuit Simulation Software ⭐ ✅ LTspice ✅ Proteus ✅ Multisim ✅ Keysight ADS ✅ Ansys HFSS ⭐ Programming ⭐ ✅ MPLAB X IDE ✅ C Language ✅ MATLAB SIMULINK ⭐ 3D Mechanical Design ⭐ ✅ SolidWorks ✅ PTC Creo ✅ Flow Therm ⭐ Power & analog circuit Projects ⭐ Power electronics, op-amp circuits, ADC/DAC interfaces, signal conditioning, piezo electric transducer driver, flyback converter, buck boost converter, laser diode driver, LED light driver, constant current and PWM control of LED lights, Switch Mode Power Supply (SMPS) design, linear power supply design, switching transformer magnetics design, AC load control using TRIAC, DC load control using SCR, H-Bridge driver for BLDC motor control using high power MOSFETS, gate driver circuit, multivibrator circuit using 555 timer, counter circuits, relay control, IGBT circuit for DC to AC inverter, bridge rectifier circuit for AC to DC converter ⭐ Industrial Projects ⭐ Temperature, humidity, weight, pressure sensors circuit design for instrumentation electronics, data logging, real time telemetry monitoring, signal conditioning circuit, feedback control circuits, robotics and actuator control, solenoid valve for flow control, PLC, DCS, SCADA for industrial automation, ⭐ RF Projects ⭐ X-Band and S-Band microwave RF power amplifier using GaN and GaAs devices, preamplifier, Directional coupler, band pass filter, Wilkinson divider, diplexer, microstrip transmission lines impedance matching, Low Noise Amplifier (LNA), mixer, microstrip patch antenna, electronic beam steering T/R modules, I/Q modulator, phased array circuits ⭐ Audio Projects ⭐ Audio Electronics: Amplifiers, filters, DSP-based audio processing, low-noise analog design, analog crossover network, equalizer, stereo and mono dual channel amplifier, phono preamplifier, hydrophone amplifier, MEMS based microphone array design, electret microphone amplifier, CODEC, RCA to XLR converter, phantom power supply, audio power amplifier for 8 and 4 ohm loud speakers, ⭐ Digital Electronics Projects ⭐ Digital logic circuits using discrete ICs, sequential circuit, NAND Flash memory circuit, mixed signal circuit using RF transceiver blocks with SMA connectors, FMC HPC connectors, high speed signaling with FPGA Actel, Xilinx, DSP controller from microchip, microcontrollers from Silabs, PIC, ATMEL C8051, ATMEGA, TMS320F28335, ESP32-C5, ESP32-S3, STM32, RPI, ARDUINO ⭐ Why Clients Choose Me ⭐ ✅ End-to-End Capability — from concept → schematic → PCB → firmware → prototype. ✅ High-Speed PCB Specialist —Impedance controlled routing and EMC/EMI aware designs ✅ Strong Communication — clear documentation, regular updates, and fast responses. ✅ Proven Track Record — 15+ years of hands-on design experience. ✅ Client Satisfaction — long-term Upwork client relationships, repeat contracts, and 5⭐⭐⭐⭐⭐ feedback

I am a Top-Rated Data Scientist and Researcher with a PhD in Remote Sensing and over 15 years of experience delivering high-performance R&D solutions for industrial, academic, and enterprise sectors. I specialize in bridging the gap between raw, noisy data and actionable business objectives, transforming complex signals into deployable machine learning pipelines. Whether it's developing novel diagnostic algorithms, predicting physical parameters from multi-channel data, or building advanced event-detection models, I design end-to-end architectures that solve complex, non-standard problems. My Recent R&D Successes Include: - Time-Series & High-Frequency Data: Engineered robust detection models for electric and water appliances using high-frequency data, providing highly accurate recognition pipelines. - Computer Vision & Remote Sensing: Developed predictive models for physical and nutritional parameters using hyperspectral imaging. - SOTA AI Implementation: Investigated and deployed ready-to-production State-of-the-Art (SOTA) AI/ML solutions based on advanced Kaggle competition methodologies. - Biomedical Data: Deep sleep data visualization and advanced processing for physiological monitoring. How I Help Businesses: - End-to-End Problem Solving: I handle the entire pipeline—from raw data evaluation, advanced feature engineering (using communication theory), to hyperparameter optimization and rigorous out-of-fold validation. - Advanced Digital Signal Processing (DSP): Extracting critical insights from 1D/2D signals, including noise assessment, filtering, and compression. - Deployable ML Architectures: Building predictive models with PyTorch, XGBoost, and OpenCV, optimized for real-world integration. Recognized Expertise: - Upwork Skill Certified in Data Science & Data Analytics - AWS Certified Machine Learning & Cloud Foundations - Author of 100+ Scopus-indexed publications (h-index: 14) - Tech Stack: Python (PyTorch, SciPy, Scikit-Learn, OpenCV), MATLAB, Signal Filtering, Multivariate Statistics, SQL, Cloud Computing (AWS).

My production systems are used by millions of people every day. Over 40 banks and financial institutions across multiple countries rely on AI infrastructure I built — from passport validation and deepfake detection to multilingual OCR, agentic RAG, and facial liveness verification. What separates my work from most ML engineers: I do not stop at the model. I build the APIs, the backend infrastructure, the mobile integrations, and the edge deployment pipelines that make AI actually run in production — on constrained hardware, at scale, without cloud dependency. If you need it to work in the real world, not just in a notebook — that is what I do. ✅ What I Offer: 🔹 End-to-End AI System Development From model design to full production deployment — APIs, backend systems, mobile integration, and edge-ready pipelines 🔹 LLMs, Generative AI & RAG Systems Fine-tuning (LoRA, QLoRA, SFT, DPO), agentic workflows, RAG pipelines, multilingual AI, and voice-based intelligent agents 🔹 Computer Vision & Document AI Facial recognition, liveness detection, passport validation, MRZ extraction, OCR (including low-resource languages), ICAO-compliant processing 🔹 Deepfake Detection & Fraud Prevention Production-grade anti-spoofing systems with ultra-low false accept rates for secure eKYC and identity verification 🔹 AI for Fintech & eKYC Solutions Complete onboarding pipelines used by banks — document verification, facial matching, fraud detection, and compliance-ready systems 🔹 Data Annotation & Dataset Engineering High-quality image and video annotation (bounding boxes, segmentation, keypoints, tracking) Custom dataset creation, cleaning, and labeling pipelines optimized for model performance ------------------------------ 🎯PRODUCTION METRICS — LIVE SYSTEMS Every number below is from a system running in production right now: 🔹 RAG-based voice agent: under 5 sec end-to-end latency | Precision@K above 98% 🔹 Gen AI transliteration agent: under 1% Word Error Rate 🔹 Facial Recognition system: under 1% FRR | Deployed on CPU at scale with less than 5 sec latency 🔹 Document & passport validation: under 1% false rejection rate 🔹 Deepfake detection: 0.3% false accept rate | zero fakes pass | beats published SOTA 🔹 Custom OCR (Urdu & low-resource): under 1% Word Error Rate 🔹 ICAO background removal: production-certified | live in eKYC flows These are not benchmarks. These are live metrics on systems processing real user data at this moment. ------------------------------ ✅ CORE EXPERTISE 🔹 LLM Fine-tuning & Generative AI I fine-tune Llama and GPT-family models for domain-specific tasks — transliteration, document-grounded generation, structured extraction. Full pipeline: LoRA, QLoRA, SFT, and DPO alignment. 🔹 Computer Vision & Document AI Passport validation, CNIC processing, MRZ extraction, ICAO-compliant background removal, facial comparison, occlusion detection, and liveness verification. My masked facial recognition system using diffusion models was developed as graduate thesis research. 🔹 Deepfake & Fraud Detection Deployed deepfake detection that surpasses current published SOTA — 0.3% false-accept rate, zero fake approvals in production. One of the most reliable anti-spoofing systems in active eKYC deployment today. 🔹 AI Agents & RAG Systems Production-grade agentic pipelines — RAG-based voice agents, tool-calling systems, multi-step reasoning workflows. Sub-5-second latency, Precision@K above 98%, running live. 🔹 eKYC & Fintech AI Infrastructure End-to-end AI backbone for digital onboarding systems trusted by 40+ banks — decency verification, facial liveness, document fraud detection, multilingual OCR. From Model to Production — APIs, Mobile & Edge This is where most ML engineers stop. I do not. I build: 🔹 Scalable REST APIs and ML serving pipelines (Python, FastAPI, chi, Golang) 🔹 Concurrent, high-throughput backend systems in Golang for low-resource and CPU-only environments 🔹 Android mobile applications in Kotlin with on-device ML integration 🔹 Edge deployment pipelines — quantized, optimized models running on CPU at scale in production If a model needs to run on a bank's on-premise server, a mobile device, or an edge node with no GPU — I have already done it. ------------------------------ ✅ TECHNOLOGIES 🔹 Vision: YOLOv8/v9, DeepLabV3+, Segformer, ViT, Swin Transformer, OpenCV, MediaPipe 🔹 LLMs & NLP: Llama 3.x, GPT-4, BERT, HuggingFace Transformers, LangChain, PEFT (LoRA/QLoRA) 🔹 ML Frameworks: PyTorch, TensorFlow, Keras, MMDetection, MMSegmentation 🔹 Backend: Python, Golang, FastAPI, REST APIs, concurrent systems 🔹 Mobile: Kotlin, Android, Jetpack Compose, on-device ML 🔹 Deployment: Docker, edge deployment, CPU inference, Streamlit, Colab 🔹 Data & Infra: NumPy, Pandas, Scikit-learn, Matplotlib ------------------------------ 🎙️LET'S TALK If you are building an AI solution that is scalable to a wider audience, I can add serious value to the end product. Feel free to drop a message

I'm M. Hayat – a Mathematics PhD researcher specializing in advanced calculus, linear algebra, and real analysis. With 7+ years of experience and a 100% Job Success Score on Upwork, I help students bridge the gap between confusion and mastery. I don't just give answers – I build deep understanding, confidence, and problem-solving intuition, whether you need 1-on-1 tutoring or high-quality educational content. WHAT I OFFER: 📚 1-ON-1 TUTORING – Middle school through advanced graduate level (Calculus, Linear Algebra, Real Analysis, Statistics, Financial Mathematics, etc.) ✍️ EDUCATIONAL CONTENT CREATION – Lesson plans, tutorial scripts, academic papers, LaTeX typesetting, and technical documentation 💻 COMPUTATIONAL SUPPORT – Python, R, MATLAB, C++, Excel (advanced dashboards & modeling) WHY WORK WITH ME? ✓ Top-rated freelancer with 100% Job Success Score ✓ PhD researcher in pure & applied mathematics ✓ Patient, structured teaching style – perfect for stressed students ✓ LaTeX expert (theses, reports, journal submissions) ✓ Fast turnaround & clear communication ✓ 200+ students helped SELECT TOPICS I COVER REGULARLY: 🎓 CORE EXPERTISE (Graduate & Advanced Undergraduate) ★ Real Analysis ★ Linear Algebra ★ Calculus I, II & III (Multivariable) ★ Differential Equations 📊 STATISTICS & APPLIED MATH ★ Probability & Statistics ★ Financial Mathematics & Modeling (Risk, Portfolios, Derivatives, Python/R/Excel-based) ★ Operations Research ★ AP Statistics ★ Computational Math (Python/R/MATLAB) 🎯 HIGH SCHOOL & TEST PREP ★ AP Calculus AB ★ AP Calculus BC ★ Algebra I/II ★ Geometry ★ Trigonometry ★ Pre-Calculus ★ GCSE/IGCSE ★ SAT/ACT Math 🌟 FOUNDATIONAL MATH ★ Elementary & Middle School Mathematics Message me with your specific need – I'll respond within a few hours. Let me know your current level and topic, and I'll tailor a session just for you.

I have designed 30+ real-world components used in defence systems, DC fans, and kitchen appliances handling everything from design and simulation to fabrication and testing myself, so you get complete, working hardware solutions from one expert. I am an RF, PCB, and Embedded Systems Engineer with strong hands-on experience in building complete hardware products. I have worked on real-world RF systems including high-power amplifiers, transmitter-receiver designs, RF filters, and antenna systems for communication and defence-related applications. I specialize in RF design, antenna design and testing, wireless communication, and high-quality PCB design including multilayer boards using Altium Designer and KiCad. I also work on circuit design, analog electronics, RF filters and amplifiers, and embedded systems using STM32, ESP32, and Arduino. I have successfully delivered reliable, tested, and production-ready designs that perform well in real-world conditions. For large and challenging projects, I collaborate with a trusted team of highly skilled professionals, so we can deliver a complete, fully working product including hardware, software, and mechanical design all in one place. ✅ RF & Microwave Circuit Design ✅ RF System Design (Transmitter & Receiver) ✅ RF Front-End Design ✅ RF Power Amplifier Design (Low, Medium & High Power) ✅ LNA (Low Noise Amplifier) Design ✅ RF Filters Design (Bandpass, Low-pass, High-pass) ✅ Impedance Matching & RF Tuning ✅ Antenna Design (Patch, Monopole, Dipole, Custom) ✅ Antenna Simulation & Optimization ✅ Antenna Testing & Performance Measurement ✅ Wireless Communication System Design ✅ RF Signal Chain Development ✅ Frequency Planning & Spectrum Analysis ✅ PCB Design (Single Layer, Double Layer, Multilayer) ✅ High-Speed PCB Design ✅ RF PCB Layout & Controlled Impedance Design ✅ Schematic Design & Circuit Layout ✅ PCB Design using Altium Designer, KiCad & EasyEDA ✅ Gerber File Generation & Manufacturing Support ✅ Design for Manufacturing (DFM) & Assembly (DFA) ✅ PCB Debugging & Optimization ✅ Electronic Circuit Design ✅ Analog Circuit Design ✅ Amplifiers & Signal Conditioning Circuits ✅ Sensor Interface Circuit Design ✅ Power Electronics Circuit Design ✅ Hardware Troubleshooting & Debugging ✅ Embedded Systems Design ✅ Embedded Hardware Development ✅ Microcontroller-Based System Design ✅ Microcontroller Programming (STM32, ESP32, Arduino, AVR) ✅ Embedded C & C++ Development ✅ Firmware Development ✅ IoT Device Development (WiFi, LoRa, ESP32) ✅ Raspberry Pi-Based Projects ✅ FPGA Design & Development ✅ Verilog / VHDL Based Design ✅ Digital System Design on FPGA ✅ Simulation & Timing Analysis ✅ FPGA Prototyping & Testing ✅ Electromagnetic Simulation (HFSS, CST, ADS) ✅ Circuit Simulation (LTspice, PSPICE, MATLAB) ✅ EM & RF Co-Simulation ✅ Signal Integrity & EMI/EMC Analysis ✅ Hardware Prototyping ✅ Product Development from Concept to Prototype ✅ Functional Testing & Validation ✅ Performance Measurement & Optimization ✅ Test Results Analysis & Reporting ✅ Technical Writing (Engineering Reports & Documentation) ✅ Research Paper Writing (IEEE Format) ✅ Project Documentation & Reports ✅ RF & Electronics Content Writing ✅ Complete Product Design (Hardware + Embedded + RF + FPGA) ✅ Prototype to Production Support ✅ Real-World Testing & Field Validation ✅ Engineering Simulation & Optimization

🎯 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲𝗱 𝗶𝗻 𝗵𝗮𝗿𝗱𝘄𝗮𝗿𝗲-𝘀𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗲𝗱 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀 — 𝗳𝗿𝗼𝗺 𝗶𝗱𝗲𝗮 𝘁𝗼 𝗽𝗿𝗼𝘁𝗼𝘁𝘆𝗽𝗲 𝘁𝗼 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 🇪🇺 & 🇺🇸 𝗦𝘁𝗮𝗿𝘁𝘂𝗽 𝘀𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁 – 𝗵𝗮𝘃𝗲 𝗱𝗲𝘀𝗶𝗴𝗻𝗲𝗱 𝗮𝗻𝗱 𝘀𝗵𝗶𝗽𝗽𝗲𝗱 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀 𝘂𝘀𝗲𝗱 𝗮𝗰𝗿𝗼𝘀𝘀 𝗘𝘂𝗿𝗼𝗽𝗲 𝗮𝗻𝗱 𝗨𝗦𝗔 ⚙️ 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗲 𝗘𝗺𝗯𝗲𝗱𝗱𝗲𝗱 𝗗𝗲𝘀𝗶𝗴𝗻 𝗮𝗻𝗱 𝗣𝗖𝗕 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 — 𝗳𝗶𝗿𝗺𝘄𝗮𝗿𝗲 + 𝗮𝗽𝗽 + 𝗰𝗹𝗼𝘂𝗱 🤝 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗰𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 & < 8 𝗵𝗼𝘂𝗿 𝗿𝗲𝘀𝗽𝗼𝗻𝘀𝗲 𝘁𝗶𝗺𝗲 🛠 𝗧𝗼𝗽-𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 𝗳𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲𝗿 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 (𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 𝗮𝗰𝗿𝗼𝘀𝘀 𝟰 𝗰𝗼𝗻𝘁𝗶𝗻𝗲𝗻𝘁𝘀) 👋 Hi, I’m Muhammad Usman Ali — your Embedded Systems Partner I design, program, and manufacture custom embedded hardware solutions integrating ESP32, Raspberry Pi, and advanced sensors with intuitive control systems and mobile/desktop applications. From smart IoT devices to industrial automation and AI-based detection systems, I provide full-stack embedded support: hardware + firmware + cloud. Some signature projects include: 🔥 FireRoofs — AI-driven wildfire detection & sprinkler automation (ESP32 + Raspberry Pi + Firebase + LoRa) 🌸 Serenyc Smart Diffuser — multi-vial scent diffuser with RFID, BLE, Alexa/Google Home, and OTA updates 📡 Compact LoRa/GPS/BLE Tracker — multi-sensor device for precision mapping & 3D positioning ⚙️ Thermal Dilatometer — precision lab instrument with sensor automation and Mac data-logging app 🧠 Technical Expertise Controllers & Platforms: Arduino | Raspberry Pi | ESP32 | STM32 | PIC | 8051 | PLC | ZYNQ / PYNQ FPGA | DSP kits Programming Languages: C | C++ | Python | Java | C# | Swift | Kotlin | Flutter | JavaScript (Node.js) Firmware & IoT Development: RTOS | ESP-IDF | FreeRTOS | LoRaWAN | BLE | Wi-Fi | MQTT | Firebase | REST API Integration Circuit & PCB Design: Altium | KiCAD | EasyEDA | Proteus | Multilayer PCB Routing | Signal Integrity | Design for Manufacturing Cloud & App Integration: Firebase | Firestore | Blynk | AWS IoT Core | Google Cloud | Flutter | PyQt | React Native Tools & IDEs: Visual Studio | STM32CubeIDE | Eclipse | MATLAB/Simulink | Android Studio | Xcode 🧩 Industries Served Smart Home / IoT Automation Industrial Controls & Sensors Environmental & Safety Systems Consumer Electronics / Wearables Lab Instrumentation & Testing Equipment 💬 Let’s Build Together If you need a reliable partner who can design hardware, write firmware, and connect everything to the cloud, I can help you bring your idea to market — fast, stable, and production-ready. 📞 Invite me to your project or book a quick consultation call — let’s discuss how we can turn your concept into a real, working product.

I'm an experienced Hardware Design Engineer with a strong background in schematic capture, high speed PCB layout, signal integrity, signal integrity, circuit simulation, and complete hardware development. Over the years I've experienced on a wide range of projects on hardware and PCB design, from power supplies and compact wearables to smart IoT devices, GPS trackers, industrial controllers, dispensers and embedded systems. I focus on designs that are not only functional, but also reliable, manufacturable, and ready for large-scale production. What I Deliver - Schematic capture and detailed component selection for any application - PCB layout: single-layer, double-layer, multi-layer, high-speed, and compact form factors - Power electronics: AC/DC and DC/DC converters, battery-powered and low-power systems - IoT and portable device design with signal integrity and low-power focus - Embedded hardware: MCU, peripherals and communication interfaces(I2C, SPI, UART, CAN, USB) - EMI/EMC-aware design, thermal analysis, and signal integrity review - Circuit simulation, schematic-level debugging, and design optimization - Prototyping support and design review - Production-ready files: Gerber, BOM, pick-and-place and full documentation Tools & Software - Altium Designer - KiCad - EasyEDA - Proteus - MATLAB / Simulink - Additional EDA and testing tools used across industry-standard workflows Whether you need a custom circuit board, a clean schematic, an optimized power solution, or a complete electronic product from scratch, I can help bring your concept to life. Let's work together to create reliable, high-quality hardware that's built to last.

Senior Energy Engineer | PE | MSCE | CEM | 20 Years in Energy Modeling, ESPC, Renewables, and Advanced Building Simulations I’m a licensed Professional Engineer and Certified Energy Manager with 20+ years of experience delivering high-value energy engineering solutions for commercial, industrial, and federal clients. My background spans federal ESPC projects, building energy modeling, HVAC system design, renewable integration, financial analysis, and performance optimization for some of the most complex facilities in the world. I specialize in translating technical data into clear, actionable designs, models, and decision tools. My work supports architects, developers, energy service companies, and engineering firms who need reliable calculations, fast turnaround times, and senior-level judgment. What I Can Help You With - Building energy modeling (EnergyPlus/DesignBuilder preferred, but experienced with all major tools: eQUEST, Trace, EnergyPro, DOE-2, Visual DOE) - Overheating analysis, heat loss/heat gain, and HVAC sizing - ESPC/Utility energy project development and savings analysis - Renewable and distributed energy modeling (solar PV, wind, fuel cells, CHP, BESS, microgrids) - Load calculations, fluid flow, and heat transfer simulations - Financial modeling, ROI, LCOE analysis, and cost/savings development - Retro-commissioning, facility audits, and code compliance support - MATLAB and algorithm development for decision tools or control logic - Technical writing, submittals, scopes, M&V plans, and engineering documentation Project Experience Includes I have contributed to or led modeling and analysis efforts for buildings of all scales and levels of complexity, including: - Federal campuses and military installations - Enterprise and hyperscale datacenters - Large commercial and office facilities - Industrial and mission-critical sites - Renewable-integrated and multi-source energy systems Professional Background Before transitioning to consulting, I spent more than a decade leading federal energy projects at Johnson Controls Federal Systems, delivering multimillion-dollar ESPC projects, coordinating multi-disciplinary teams, and serving as technical lead on complex mechanical and energy systems. I later founded DTEC Energy Consulting, where I support clients with modeling, design reviews, HVAC engineering, emissions compliance, and renewable project development. Certifications & Credentials - Professional Engineer (Delaware) - Certified Energy Manager (CEM) - MS Civil Engineering, BS Architectural Engineering, BS Civil Engineering - MBA candidate (Pennsylvania State University) - Member: ASHRAE, AEE Why Clients Hire Me - Senior-level accuracy with fast turnaround - Clear, professional communication - Ability to work from sketches, PDFs, BIM, or fully developed design sets - Comfortable with both straightforward and highly complex buildings - Proven track record with federal and commercial clients

From Concept to Completion: Advanced 3D Modeling & Product Development I specialise in industrial mechanical design, product development, and design automation, transforming ideas into manufacturing ready, cost-effective solutions with a strong focus on DFM and real-world production. Doctor, UK-based Chartered Engineer, with 20+ years of hands-on experience, I bridge the gap between concept, prototyping, and mass production using practical engineering and industry-proven methods. Core Expertise: CAD Modeling & Advanced 3D Design Product Design, Innovation & Engineering Optimization Design for Manufacturability (DFM) & Cost Reduction Rapid Prototyping (FDM, SLA) & Iterative Development Material Selection & Process Optimization Engineering Drawings, GD&T & Technical Documentation Concept Visualization & Rendering Manufacturing Processes & Assembly Development Tools & Platforms: SolidWorks, Autodesk Inventor, Fusion 360, Onshape, KeyShot, Blender, LabVIEW, MATLAB, AutoCAD, Revit, SketchUp My work spans innovative machinery design, automated systems, and refined consumer and industrial products. I prioritize standard, reliable components (e.g., McMaster-Carr) to reduce cost and lead time, supported by prototyping, CNC, PCB manufacturing, laser cutting, and full workshop capabilities. Let’s schedule a quick call and turn your concept into a production-ready solution.