I am a professional Audio Engineer, Music Producer, and Sound Designer with 6 years of experience transforming raw audio into polished, immersive, and engaging sonic experiences. Whether you need a chart-ready music track, a captivating podcast, or cinematic sound design for your video and game, I deliver top-tier results with a fast turnaround.
What I Can Do For You:
- Podcast Production & Editing: Noise reduction, breath removal, audio leveling, adding intros/outros/IDs, and mastering to industry standards (Spotify, Apple Podcasts).
- Music Production & Composition: Custom beats, backing tracks, jingles, and full song arrangements across multiple genres.
- Sound Design & Foley: Immersive audio environments for YouTube videos, indie games, animations, and commercials.
- Mixing & Mastering: Giving your tracks warmth, clarity, depth, and the commercial competitive edge they need.
My Toolkit:
- DAWs: Fl Studio, Ableton Live, Reaper
- Plugins: Waves, iZotope RX (Advanced Audio Repair), FabFilter, Soundtoys, Spire, Vital, Serum, Analog Lab, Xpand2, and more.
Why Work With Me?
"Audio isn't just about hearing; it's about feeling."
✔️I don't just push buttons; I listen to your vision. I maintain clear, transparent communication throughout the project and offer
✔️unlimited satisfaction guarantees within reason.
✔️Extensive knowledge of music theory applied to various musical contexts.
✔️Experience replicating sound presets and creating new, original sounds for instrumental music, sound effects, and game music.
✔️I'm very familiar with FL Studio; if you need the FLP file, I can provide it optimized and organized.
✔️I understand and have resolved noise issues and poor recording quality with my vocals for songs.
Ready to elevate your sound? Click the "Invite to Job" or "Hire" button, send me a brief description of your project, and let’s create something amazing together
Audio Production
Audio Mastering
Sound Mixing
FL Studio
Celemony Melodyne
Audio Editing
Audio Services
Audio & Music Software
Video Editing
Audio Ad
Graphic Design
Audiobook Editing
MID
DaVinci Resolve
Beat Sound Effects
Carlos A.
Cuenca, Ecuador
$45/hr
5.0
3 jobs
I design the control layer that makes hardware behave predictably — and the electronics underneath it.
ELECTRONICS & FIRMWARE
Full board development — architecture, schematic, layout, mixed-signal SPICE, supplier-aware BOM, fabrication-ready outputs. Altium and KiCad. Altium Accredited: PCB Design Advanced, Mixed-Signal Simulation, Expert Engineer.
STM32 and ESP32 firmware — sensors, motor control, calibration, documented HAL/CubeMX code.
CONTROL & SIMULATION
Plant modeling, controller design (PID, LQR, MPC), and validation in simulation before hardware exists. MATLAB/Simulink, Python, ROS/Gazebo, Isaac Sim, HIL/SIL.
Control for nonlinear flexible robotics at AIST Japan (model-based control + RL in a high-fidelity simulator). ROS/Gazebo trajectory tracking for a ground vehicle, built CAD to URDF. MPC validated on Quanser HIL hardware. Engineering minor in UAV autonomy.
Most control problems are hardware problems, and most hardware problems surface as bad control behavior. I work both sides, so I find the cause instead of tuning around it.
Every delivery ships with a test procedure, pass/fail criteria, and documentation of what was validated.
Mechatronics Engineer, Tecnológico de Monterrey — honors, top 10%. R&D intern at AIST Japan. Project work with John Deere, ABB, Parker Hannifin.
Ecuador — full US Central-time overlap.
Tell me what your system needs to do and I'll tell you what I'd deliver, in what order, and how we'll know it works.
Embedded System
Python
Altium Designer
KiCad
Control Engineering
Electrical Engineering
STM32
ESP32
MATLAB
PCB Design
Edge AI
Circuit Design
Machine Learning
Firmware
Drone
Simulink
Simulation Software
Model Predictive Control
Systems Modeling
Alexander Morrison O.
Surulere, Nigeria
$35/hr
4.9
26 jobs
With years of experience in audio production, I combine technical expertise with creativity to deliver polished, high-quality results while you focus on your vision. I specialize in music production, mixing, mastering, audio restoration, podcast editing, audio/music transcription, AI voice solutions, voice cloning, dubbing, sound design, and audio enhancement.
I've collaborated with YouTube creators whose channels have over 3 million subscribers, producing original music with Suno AI tailored to their content and audience. I also have extensive experience using ElevenLabs to produce professional audiobooks from novels, books, manuscripts, and long-form written content, delivering natural, engaging narration.
Proficient in industry-leading tools including Pro Tools, FL Studio, Logic Pro, Adobe Audition, iZotope RX, ElevenLabs, Suno AI, and other advanced AI platforms, I provide reliable, client-focused solutions with fast turnaround, attention to detail, and a commitment to exceeding expectations.
Whether your project requires traditional audio engineering or AI-powered production, I have the skills and experience to bring it to life.
Audiobook Editing
Audiobook Narration
AI Music Generator
Music & Sound Design
ElevenLabs
AI Audio Generation
AI Text-to-Speech
Audio Editing
DJing
Audio & Video Sync
Music Notation
Sound Mixing
Music Production
Music Arrangement
Audio Mastering
Spatial Audio Mixing
Stem Mixing & Mastering
Meditation Music
Efrain Manuel L.
Barquisimeto, Venezuela
$15/hr
4.6
105 jobs
Hi! This is Efrain Manuel L. I have been working as a Professional PCB Designer and an Embedded System Expert for more than 6 years.
I have been working in the field of Designing & Implementing :
☑️ Circuit, PCBs for both Commercial and Industrial purposes.
☑️ Microcontroller Based Projects.
☑️ IOT-based automation Projects.
☑️ Projects Related to Robotics.
⚡I have graduated in Electrical & Electronic Engineering (EEE).
⚡I have been collaborating on high-complexity long-term projects with various clients worldwide.
☑️ Through this profile, I Provide the Following Services:
✔ Schematic Design
✔ PCB Design (1/2/4/6/8 Layers)
✔ Gerber Export
✔ BOM Validation & Sourcing
✔ 3D CAD Design of PCB (.obj /.step)
✔ Reverse Engineering (PCB to New Schematic)
✔ Custom Symbol & Footprint from Datasheet
✔ Microcontroller Based PCB Design
✔ Writing code for the specific microcontrollers
☑️ I have implemented lots of microcontroller-based projects using Arduino, ATMEGA Series, STM32, NODEMCU, ESP8266, and ESP32 series.
Why You Should Hire Me:
☑️ On-time delivery with the Best quality for every project at a reasonable rate ($).
☑️ Assist With PCB Fabrication.
☑️ 100% Guarantee on Customer Satisfaction.
☑️ 24/7 Support After Project Completion (Free of Charge)
So, what are you waiting for?
If you have any Ideas and PCB Design related projects or any Microcontroller based projects give me a knock as soon as possible. I assure you.
Python
KiCad
ESP8266
Altium Designer
Arduino
C#
C++
Project Engineering
Eagle
Microchip
ESP32
Microsoft Excel
JavaScript
PCB Design
Firmware
Nguyen Dinh B.
Hanoi, Vietnam
$25/hr
5.0
55 jobs
Hello!
I’m Ben, a hardware and firmware expert with 8+ years of experience in designing hardware, programming embedded systems, and developing high-performance software solutions. My goal is to provide innovative, reliable, and high-performance solutions that meet your needs.
With a strong track record on Fiverr (Level 2, 5 stars) and Upwork (Top Rated Plus, 5 stars), I have successfully delivered top-tier service to over 100 clients.
What I Offer
1. End-to-End Embedded & Hardware Solutions
- Advanced PCB Design & Hardware Development: Expertise in schematic capture, PCB layout, and multi-layer board design for reliable, high-performance, and manufacturable products. Experienced with KiCad, Altium, OrCAD, and Eagle.
- High-Speed Design: Strong experience in 1–12 layer PCBs, including DDR3/DDR4/LDDR4, PCIe, USB (2.0/3.0/3.1/3.2), HDMI and 10/100/1000/10Gbase-T1 Ethernet.
- Microcontrollers & SoMs: Firmware and hardware development for ARM Cortex-M3/M4 (STM32, ESP32, Nordic nRF52/53/91 series,...); custom boards for Raspberry Pi CM4/CM5, Orange Pi, iMX8, Jetson Nano/Xavier/Orin, RK3588/RK3588S, RK3568, RV1126, Allwinner, Zynq-7010, Zynq7020, XCZU9EG
- Power & Hardware Integration: Experience in DC-DC, AC-DC, Buck, Boost, and Flyback converters, along with hardware design involving audio, RF modules, PA, LCD, filters, RFID, touch screens, and LVGL-based interfaces.
- Prototype, Testing & Validation: Full support for board bring-up, debugging, validation planning, and functional testing to ensure hardware works reliably in real-world applications.
- Manufacturing & Prototyping Support: Preparation of BOM, Gerber, and manufacturing-ready files, with hands-on support for prototype production and manufacturing through JLCPCB and PCBWAY.
2. Robust Firmware Development
- Languages & Development: Strong embedded firmware development in C/C++, Python with experience using Visual Studio Code, STM32CubeIDE, Arduino IDE, ESP-IDF, and Segger.
- Communication Protocols: Proficient in USB, UART, I2C, SPI, I2S, RS232, and RS485, enabling reliable communication across embedded systems and connected devices.
- Wireless & Connected Systems: Experience with BLE, BLE Mesh, ZigBee, UWB, LoRa, NB-IoT, 4G LTE, Wifi, WiFi Mesh, and NFC for IoT and wireless product development.
- Sensor: light sensor, CO, Smoke Sensor, Dust Sensor, Air Sensor, pH sensor, IMU sensor, Accelero, Gyro sensor,...
- UI/UX for Embedded: Figma, TouchGFX, LVGL for STM32, ESP32, Raspberry Pi.
- Motors Control: BLDC, Stepper, Servo, DC Motors
- Robotics: Expertise in ROS/ROS2 for applications like AGV, AMR, 6-axis robots.
Some of my product that I have designed and released to the market:
- Home IP Camera: SoC-based design with DDR3 RAM, Ethernet/Wi-Fi streaming, CMOS image sensor, IR LED array, IR-cut control, USB, and MicroSD
- Smart Home Products: Home Gateway with Ethernet, Wi-Fi, Zigbee, and TFT LCD; Smart Switch with capacitive touch, Zigbee, power metering, and AC load control
- Tablet Mainboard: RK3399-based board with DDR3, eMMC, touch screen, LTE.
- Smart Water Meter: BLE/Wi-Fi design with TI MCU.
- Wearable Devices: Low-power wearable designs with wireless connectivity, sensors, and battery management
- High-Performance ESC for Drones: Real-time motor control design for efficient and stable drone operation
- Custom SBC with AI Module: Raspberry Pi-based SBC solutions with integrated AI capabilities
And a lot of other products.
With our experience and expertise, I’m confident I can provide tailored solutions to help you complete your project and release your product to the market . I look forward to the opportunity to work with you.
PCB Design
KiCad
Altium Designer
nRF52
STM32
ESP32
Raspberry Pi
FPGA
Hardware Design
EasyEDA
OrCAD
nRF52832
Arduino
LoRa
Embedded System
Firmware
Embedded Linux
Schematic
Bluetooth LE
WiFi
Ahmed E.
10th of Ramadan City, Egypt
$10/hr
5.0
21 jobs
About Me
I am a professional PCB Designer with extensive Altium, Kicad and EasyEDA experience, delivering commercial and non-commercial hardware projects . I create reliable, production-ready, and cost-optimized multilayer PCB designs tailored to client requirements, while ensuring signal integrity, power integrity, controlled impedance, and EMI mitigation.
All files are manufacturing-ready for JLCPCB and other PCB factories, including Gerbers, BOMs, and assembly files. I focus on providing efficient, high-quality solutions that meet both technical and budgetary requirements.
🔑My Key Services
✅ Complete Schematic Design based on client requirements
✅ Multilayer PCB Layout with industry best practices (EMI/EMC, impedance control, spacing rules)
✅ BOM Creation + Cost Optimization while keeping parts available and affordable
✅ PCB designs compatible with JLCPCB and other manufacturers, with BOM & CPL files ready for assembly.
✅ Prototyping Support and design review
✅ RF, Antenna, and High-Speed PCB design
✅ Designing a PCB from a problem statement (from concept → prototype → production)
✅ Support in placing PCB & PCBA orders on JLCPCB and other Manufactories
Projects I Have Completed
✅ ESP32 and ESP8266 development boards
✅ STM32 custom boards (Blue Pill, Black Pill, Maple, custom designs)
✅ ATmega-based commercial products
✅ Buck/Boost power supply designs
✅ USB 2.0 / 3.0 hardware
✅ Motor drivers, relays, sensors, IoT controllers
Applications & Special Expertise
✔ I2C, SPI, UART
✔ RF & Antenna tuning
✔ DC-DC converters (Buck/Boost/LDO design)
✔ Low-noise analog design
✔ Power integrity & thermal optimization
Final Deliverables
☑ Source files (PCB + Schematic)
☑ Gerber files for manufacturing
☑ BOM (cost-optimized + alternatives)
☑ Pick & Place files
☑ PDF documentation
PCB Design
Altium Designer
Electronic Design
KiCad
Electronics
Electronic Circuit Design
ESP32
STM32
Hardware Design
Circuit Design
Electrical Engineering
Embedded System
Multilayer PCB
Arduino
Digital Electronics
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