Signal Processing Jobs

Signal Processing is the art of transforming different kinds of signal (sounds, images, videos, etc.) into a lattice of information that can extracted and applied in many different ways. Digital signal processing (DSP) considers both technological aspects, such as the study of algorithms, and conceptual aspects; it makes the virtual world closer to the physical world. It is used to transform data into useful information for state-of-the-art machine learning models, a growing area for many businesses for decision support and predictive analytics. This work is made possible by DSP Engineers that know how to capture and process signals from both physical and virtual sources.

Signal Processing Engineers are experts in both the technology and algorithms that enable data analysis. They are able to program efficient applications for sensory processing as well as devise effective strategies for storage repository of data. Furthermore, they streamline complicated engineering processes within organizations such as creating mathematical modeling systems or addressing specific modelling problems with meaningful input-output relationships related to their areas of expertise: electroencephalogram (EEG), electrocardiogram (ECG), medical devices and development.

Here's some projects our expert DSP Engineer made real:

  • Improving accuracy of machine learning models by fine tuning signal processing code written in C++
  • Utilizing Transformers for EEG-based motor imagery recognition
  • Analyzing signals and performing Fourier Transform routines in MATLAB/Octave/SCILAB
  • Developing Bandpass filters in C++ for data clustering
  • Remote debugging using matlab for eeg signal processing
  • Extracting features from EEG signals to detect emotion synchronization between a mother and an infant
  • Cleaning Time Series Data with columnwise smoothing in Python Panda

Indeed, Signal Processing has been integral in speeding up key engineering projects that require complex mathematical modeling processes to be completed. Our expert DSP Engineers on Freelancer.com are here to assist you with your project no matter the scope. So if you need help with a Signal Processing problem or want advice on improving existing strategies within your organization, you can trust these professionals provide expert advice and results quickly and cost-efficiently. Turn your next project into a success story today - post your job ad now at Freelancer.com!

From 7,284 reviews, clients rate our DSP Engineers 4.9 out of 5 stars.
Hire DSP Engineers

Signal Processing is the art of transforming different kinds of signal (sounds, images, videos, etc.) into a lattice of information that can extracted and applied in many different ways. Digital signal processing (DSP) considers both technological aspects, such as the study of algorithms, and conceptual aspects; it makes the virtual world closer to the physical world. It is used to transform data into useful information for state-of-the-art machine learning models, a growing area for many businesses for decision support and predictive analytics. This work is made possible by DSP Engineers that know how to capture and process signals from both physical and virtual sources.

Signal Processing Engineers are experts in both the technology and algorithms that enable data analysis. They are able to program efficient applications for sensory processing as well as devise effective strategies for storage repository of data. Furthermore, they streamline complicated engineering processes within organizations such as creating mathematical modeling systems or addressing specific modelling problems with meaningful input-output relationships related to their areas of expertise: electroencephalogram (EEG), electrocardiogram (ECG), medical devices and development.

Here's some projects our expert DSP Engineer made real:

  • Improving accuracy of machine learning models by fine tuning signal processing code written in C++
  • Utilizing Transformers for EEG-based motor imagery recognition
  • Analyzing signals and performing Fourier Transform routines in MATLAB/Octave/SCILAB
  • Developing Bandpass filters in C++ for data clustering
  • Remote debugging using matlab for eeg signal processing
  • Extracting features from EEG signals to detect emotion synchronization between a mother and an infant
  • Cleaning Time Series Data with columnwise smoothing in Python Panda

Indeed, Signal Processing has been integral in speeding up key engineering projects that require complex mathematical modeling processes to be completed. Our expert DSP Engineers on Freelancer.com are here to assist you with your project no matter the scope. So if you need help with a Signal Processing problem or want advice on improving existing strategies within your organization, you can trust these professionals provide expert advice and results quickly and cost-efficiently. Turn your next project into a success story today - post your job ad now at Freelancer.com!

From 7,284 reviews, clients rate our DSP Engineers 4.9 out of 5 stars.
Hire DSP Engineers

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    29 jobs found

    I have been subjected to to “voice-to-skull” transmission, direct energy weapon and remote neural monitoring(remotely). My main concern right now is the physical discomfort it is causing—persistent headaches, muscle pain, fatigue, blurred vision,disorder sleep and many other things. I need help to stop it. You must have knowledge about RF wave, WIFI wave. Here is what I expect from you: • A brief consultation (voice or message) where you help me describe my symptoms and living environment in enough detail for an accurate assessment. • A written action plan that includes: – Practical counter-measures I can put in place immediately (shielding materials, RF detection equipment, grounding techniques, etc.). – Any recommended tools or devi...

    $520 Average bid
    $520 Avg Bid
    11 bids

    I’m looking for an experienced electronics designer to develop a complete industrial-grade control system consisting of two devices: 1. Transmitter (TX) – collects inputs from joysticks and other signals (8 analog + 2 digital + AUX). 2. Receiver (RX) – receives data from TX via CAN and drives power outputs. Communication between TX and RX must be via CAN bus. The system must operate on 12V or 24V vehicle/machine installations, with a supply range of 9–27V DC. Scope includes schematic design, SMD PCB design, and enclosure selection/design. ⸻ Functional Requirements TX (Transmitter) • 8 analog input channels (joysticks / analog signals) • 2 digital inputs • 1 AUX signal (logic/auxiliary) • Analog measurement must use an industrial-grade ...

    $588 Average bid
    $588 Avg Bid
    22 bids

    I'm looking for a skilled machine learning expert to help with my final year university project. The goal is to identify different sleep stages using multimodal data, specifically ECG patterns and blood pressure signals. Key Requirements: - Analyze ECG and blood pressure data - Develop a machine learning model to estimate sleep stages - Utilize existing dataset Ideal Skills and Experience: - Strong background in machine learning - Experience with ECG and blood pressure signal analysis - Proficiency in data processing and model development - Familiarity with sleep stage identification techniques

    $678 Average bid
    $678 Avg Bid
    100 bids

    Looking for Sound Engineer – Live Voice Transmission Optimization (Hardware + Embedded) I am currently looking for an experienced Sound Engineer / Audio Systems Engineer who is capable of working on live voice transmission from a tablet to standalone hardware such as Raspberry Pi / ESP32-based systems. * The product is already built and functional * The requirement is mainly for optimization, testing, and technical feedback * Focus areas include: audio transmission stability reduction quality optimization –software integration feedback 5.Real-world performance testing This is a great opportunity if you have experience with: * Embedded audio systems * Live streaming audio pipelines * IoT audio hardware * Signal processing for voice transmission If you have worked on similar ...

    $27 / hr Average bid
    $27 / hr Avg Bid
    4 bids

    PROJECT OVERVIEW We are seeking an experienced Power Electronics / Control Systems Engineer to support a STATCOM upgrade project Upgrade from old controller PSR II ABB uses the ABB AC800PEC . The objective is to design, implement, and deploy control algorithms developed in Simulink / MATLAB into the AC800PEC Toolbox environment, ensuring real-time execution and stable grid performance. ________________________________________ SCOPE OF WORK The selected engineer will: 1 Control Algorithm Development • Develop and/or refine dq-axis current control • Design PLL (Phase-Locked Loop) for grid synchronization • Implement DC link voltage control • Reactive power / voltage regulation control • PWM generation strategy 2 Model-Based Design • Develop control models in Sim...

    $16500 Average bid
    $16500 Avg Bid
    8 bids

    I need a medium complexity (3-4 layers) PCB designed for signal processing. The design should be capable of accommodating surface-mount components. Requirements: - 3-4 layers PCB design - Signal processing functionality - Surface-mount component integration - Gerber file generation Ideal Skills: - Experience with PCB design software (e.g., Altium, Eagle) - Strong understanding of signal processing circuits - Proficiency in layout for surface-mount components - Attention to detail and accuracy Please provide samples of previous work.

    $281 Average bid
    $281 Avg Bid
    19 bids

    I want to turn a Raspberry Pi running CODESYS into a reliable industrial automation node. Your job is to create the complete control application in MATLAB / Simulink using Stateflow, generate the code, import it into CODESYS and prove that it runs in real time on the Pi. The target is an industrial process (details and I/O list come once we start). I need a clean, well-structured Simulink + Stateflow model that covers the sequencing, safety interlocks and regulation logic, then produces compilable CODESYS code without manual patching. Please map the I/O to the Pi’s GPIO or any supported extension modules exactly as documented, and include watchdog handling so the plant fails safe. Deliverables • Simulink/Stateflow model (.slx) • Generated source and export settings ...

    $576 Average bid
    $576 Avg Bid
    64 bids

    I need a focused research effort that looks at satellite-communication antennas from three angles at once: maximising signal strength and quality, mapping frequency-band usage, and refining antenna design and materials. The outcome should give me clear, data-backed guidance I can hand straight to my hardware team. Scope You will survey current literature and patents, run electromagnetic simulations (HFSS, CST, FEKO or similar), and translate the findings into practical design recommendations. Emphasis is on L-, S- or Ku-band performance; however, if your analysis uncovers a better-suited band, flag it and justify the choice. Deliverables • Concise comparative report (PDF) • Simulation files with setup notes • Performance charts showing gain, VSWR, efficiency and li...

    $104 Average bid
    $104 Avg Bid
    5 bids

    I already have the full schematic and the finished PCB files for a board that combines an ESP module with a PIC18F microcontroller. What I’m missing is a clear, practical explanation of how everything talks to each other, especially over UART, and how that interaction is implemented on the physical board. Here is what I need from you: • A step-by-step walkthrough of the signal paths that handle UART traffic between the ESP and the PIC18F, including any level-shifting, buffering, or hand-shake lines that support the link. • A guided tour of the PCB layout that shows where those signals travel—layer changes, vias, ground references, decoupling, and any routing choices that affect integrity or noise. • Simple notes on any supporting circuitry (power rails, ...

    $67 Average bid
    $67 Avg Bid
    12 bids

    I already have the full schematic and the finished PCB files for a board that combines an ESP module with a PIC18F microcontroller. What I’m missing is a clear, practical explanation of how everything talks to each other, especially over UART, and how that interaction is implemented on the physical board. Here is what I need from you: • A step-by-step walkthrough of the signal paths that handle UART traffic between the ESP and the PIC18F, including any level-shifting, buffering, or hand-shake lines that support the link. • A guided tour of the PCB layout that shows where those signals travel—layer changes, vias, ground references, decoupling, and any routing choices that affect integrity or noise. • Simple notes on any supporting circuitry (power rails, ...

    $136 Average bid
    $136 Avg Bid
    18 bids

    I need solution for three questions electronics MATLAB/simulations file attached 1.35 1.36 1.39 Only induvial experts and tutors no agencies After this i will have so many projects Fair price flexible with time good availability of time

    $93 Average bid
    $93 Avg Bid
    20 bids
    Python RSSI Modbus Script
    3 days left
    Verified

    I’m running an InHand IG502 cellular gateway and need a focused Python add-on that exposes the unit’s current RSSI (raw dBm) as a holding register inside the built-in Modbus server. The immediate aim is simply to monitor signal quality; once the value is available we will pass it through our existing RS-485 link into the DNP3 layer of the external SCADA. Key points you should know while coding: • Device: InHand IG502 (OpenWrt-based, Python 3 available). • Output format: raw signal strength value, no scaling or percentage. • Register must be readable via Modbus-TCP and Modbus-RTU so I can map it downstream. Byte order can be little-endian; just document what you use. • Communication onward to DNP3 happens on my side, so the script only has to populate ...

    $187 Average bid
    $187 Avg Bid
    114 bids

    I'm looking to create an autofish system that reacts to water splash sounds. Requirements: - The system should respond only to water splash sounds. - Input method for sounds should be pre-recorded. - Integration with provided YouTube link audio is necessary (convert to required format if needed). - Also want it to look in chat for the words "Turbo Fishing has procced" if it reads that it'll automatically (or the sound of a firework exploding) It'll automatically click the right click at 20cps for 7 seconds - Some sort of easy GUI Ideal Skills & Experience: - Experience with sound recognition and automation systems. - Proficiency in audio processing and conversion. - Knowledge in fishing technology or related automation. Please include any relevant experienc...

    $114 Average bid
    $114 Avg Bid
    63 bids

    I need a custom ELRS (ExpressLRS) solution for drone control, utilizing an STM microcontroller instead of the original MCU. Key requirements: - Improved range - Enhanced security - Dual band - Mesh networking capabilities Ideal skills and experience: - Proficiency in STM microcontrollers, especially STM32 - Strong background in RF communication and protocols - Experience with drone control systems - Knowledge of security implementations in wireless networks - Familiarity with mesh networking technology Please provide relevant experience in your bids.

    $3922 Average bid
    $3922 Avg Bid
    31 bids

    Hello , I have a cabled weather station ready to go, but I need an experienced hand with the physical installation side only. The job covers everything from mounting the sensors and console, running and securing the cable, to making sure connections are weather-proofed, grounded, and reading correctly once powered up. Brand is flexible—I simply need someone familiar with the usual hardware found in systems such as Davis Instruments, AcuRite, La Crosse, or similar. Only serious freelancer Auto bids not good Thank you

    $136 Average bid
    $136 Avg Bid
    6 bids

    I’m developing a compact medical-grade board that will sit at the heart of a new vital-signs monitor. The PCB must reliably acquire and process heart rate, blood pressure, and respiratory rate signals, then pass the data to a microcontroller for further analysis and display. Here’s what I need from you: • Complete schematic capture based on my sensor and MCU selections • Four-layer board layout optimized for low-noise biomedical signals (Altium or KiCad preferred) • Manufacture-ready Gerber files, pick-and-place data, and a clearly structured BOM with medical-grade component choices • Design reviews at schematic and pre-release layout stages so we can make sure the board meets IEC 60601-1/-2 spacing, leakage, and isolation requirements • Brief ...

    $107 Average bid
    $107 Avg Bid
    7 bids

    I need a PCB designed specifically for a one-off project; it is not part of a commercial product line, so flexibility and creativity are welcome. The board will carry only analog circuitry—no digital sections—centred around operational amplifiers and a small signal-processing stage I will detail once we start. What I will supply: the schematic (PDF or KiCad), preferred footprints, and basic mechanical constraints. What I need from you: a clean, manufacturable layout with proper analog grounding practices, complete Gerber/ODB++ files, a reviewed BOM, and the original design file so I can revise it later if needed. Please aim for standard two-layer construction unless you advise otherwise for noise reasons. Acceptance will be based on: • DRC-clean files that import i...

    $14 Average bid
    $14 Avg Bid
    11 bids

    I need a Pine Script v5 indicator for TradingView that runs primarily on the Gold (XAUUSD) 1-minute chart and gives me immediate, easy-to-read feedback on market turns. Core logic • Heikin Ashi analysis – detect both reversal patterns and real-time trend strength changes. • Doji recognition – spot classic Doji candles and treat each as a distinct event. Visuals & alerts Whenever a Heikin Ashi reversal or trend-strength shift is confirmed, the script should place a clear icon or background highlight on that bar. The same applies to each detected Doji. At the same moment, fire a TradingView alert() so I can route the signal to webhooks or mobile push. Extra context I still like seeing Fibonacci structure on screen, so please add a light retracement ov...

    $413 Average bid
    $413 Avg Bid
    54 bids

    I am putting together a self-funded, individual project that calls for a fully specified gas-chromatography system fitted with both a Thermal Conductivity Detector (TCD) and a Flame Ionization Detector (FID). The goal is to separate and quantify light hydrocarbons—specifically methane, ethane, ethylene, acetylene and closely related species—in liquid samples that will be injected directly or via headspace. What I need from you: • An end-to-end design covering column selection, carrier gas choice, oven programming and detector configuration so that both TCD and FID work in tandem without signal overlap. • A step-by-step method for sample preparation and injection that delivers sharp peaks and reliable quantitation for the compounds listed above. • Calib...

    $2456 Average bid
    $2456 Avg Bid
    5 bids

    I'm looking for a detailed simulation of 5G soft handover in Matlab for research and analysis purposes. Key Requirements: -Simulate system-level handover with integrated PHY and MAC layer modeling in MATLAB -Consider satellite, aerial (e.g., UAV/HAPS), and terrestrial segments within a SAGIN scenario -Support evaluation of handover performance using KPIs such as handover latency, throughput, packet loss, and connection stability Provide comprehensive analysis and visualization of results (e.g., KPI trends, CDFs, outage/interruption time, HO failure rate) Ideal Skills and Experience: - Proficiency in Matlab - Strong understanding of 5G network architecture and handover mechanisms - Experience in network simulation and performance analysis - Ability to present data clearly and concis...

    $126 Average bid
    $126 Avg Bid
    23 bids

    Embedded Firmware Engineer (ESP32-S3, MQTT/HTTPS, OTA, Local Installer Wizard) – Industrial Pulse Controller Description We are building an industrial Wi-Fi “pulse injector” controller (Payter/Nayax-like) for self-service car wash / vacuum stations. Customer scans a QR on the bay, opens our webapp, pays online, and the device generates configurable “coin pulses” (dry contact and open-collector) into the wash/vac controller. We need an experienced embedded engineer to deliver production-grade firmware for ESP32-S3 with: • Reliable Wi-Fi connectivity and auto-recovery • MQTT (preferred) or HTTPS command channel • Configurable pulse generation (timing, mapping, NO/NC/OC outputs) • Local Installer Wizard (AP mode + web UI) • Heartbeat/stat...

    $526 Average bid
    $526 Avg Bid
    23 bids

    Project Brief: Industrial 230V ESP32-C3 Toshiba AC Gateway & I/O Controller 1. Project Overview Design and develop a production-ready, CE-compliant, DIN-rail mounted (EN 60715) industrial controller for Toshiba AC systems. The device serves as a Master Gateway bridging three domains: • Toshiba AB Protocol – Galvanically isolated UART interface to AC indoor units • Modbus RTU (RS-485) – Expansion bus for modular field I/O (relays, temperature, analog modules) • Local Analog I/O – 0–10 V interfaces for direct HVAC integration The system must be stable, thermally suitable for sealed enclosures, and follow Screaming Architecture principles for long-term maintainability. 2. Hardware Specifications Power & Safety • Integrated ...

    $1825 Average bid
    $1825 Avg Bid
    72 bids

    I want to build a compact, two-way Bluetooth audio interface for a HAM radio. The core goal is a 2-way bridge between the radio and a realtime camera running on a linux board via buletooth. Digital or analog volume adjustment is needed Device must be battery and/or 12V DC operated, with DC12V charging battery if present What I need: • Full-duplex transmit and receive so both the radio’s microphone and speaker lines travel over Bluetooth. • A design that plays nicely with typical HAM radio mic/headphone levels. • Optional Radio PTT Sense to mute microphone input if PTT button not pressed • Stable pairing, clear voice quality, and minimal latency. Please provide: 1. Schematic and bill of materials (module choice is up to you; CSR, ESP32, or similar is fine). 2...

    $254 Average bid
    $254 Avg Bid
    44 bids

    I’m developing a proof-of-concept that relies on Frequency Modulated Continuous Wave (FMCW) signals and need an experienced signal-processing engineer to turn my raw mixer outputs into actionable information. The scope covers the full digital chain—calibration, windowing, FFTs, range-Doppler generation, and target extraction techniques such as CFAR or similar adaptive thresholding. Code may be written in MATLAB or Python; please keep it modular so I can swap parameters and integrate rapidly with my existing acquisition software. To keep expectations clear, here’s what I would like handed over: • Well-commented source code that processes sample FMCW data from raw time-domain files through to range-Doppler (and, if practical within schedule, angle) outputs. • ...

    $157 Average bid
    $157 Avg Bid
    48 bids
    Zynq RF Board Size Reduction
    1 day left
    Verified

    I am looking for an experienced RF hardware designer to consolidate and miniaturize an existing RF system based on a MYIR Zynq-7020 board. The current setup includes: 1. MYIR Zynq-7020 board (fixed, no redesign) 2. Adapter board 3. Two separate RF transmitter boards The goal is to integrate the two RF boards and the Adapter board into a single compact adapter board, while keeping the existing electrical interfaces to the MYIR board unchanged and minimizing or avoiding FPGA/firmware changes as much as possible. Scope of Work (High Level) - Integrate two RF transmit chains on one board - Use a shared reference oscillator and PLL for both RF paths - Replace discrete RF filters with compact off-the-shelf RF filters - Replace legacy power regulators with modern, small LDOs - Add RF routing op...

    $648 Average bid
    NDA
    $648 Avg Bid
    28 bids

    I need an expert to develop embedded algorithms for our OWLY predictive maintenance platform. The platform uses fused vibration and acoustic sensing to detect early equipment faults in home appliances, specifically washing machines, dryers, and refrigerators. Key Requirements: - Convert sensor data into actionable equipment health diagnostics. - Focus on early fault detection for motors, bearings, and gearboxes. Ideal Skills and Experience: - Strong background in embedded systems and algorithm development. - Expertise in signal processing and sensor data analysis. - Experience with home appliance maintenance or diagnostics. - Familiarity with machine learning techniques is a plus.

    $14916 Average bid
    $14916 Avg Bid
    40 bids
    PIC PCB & Firmware Designer
    1 hour left
    Verified

    Hello , I need a complete design for a compact consumer-electronics board that revolves around a PIC microcontroller. The scope spans three tightly-linked parts: • PCB hardware – Produce the schematic and multilayer layout in Altium Designer, include all libraries you create, and deliver the full manufacturing package (Gerbers, drill files, pick-and-place, and a PDF schematic). • MCU firmware – Write well-commented code in MikroBasic (or another PIC-friendly tool if you justify the switch). The firmware must read multiple sensors, exchange data through an efficient serial protocol, and use smart power-saving modes to stretch battery life. Please supply project files, compiled HEX, and a short flashing guide. • PC interface – Build a Windows utility in VB....

    $17 - $138
    Sealed
    $17 - $138
    11 bids

    OVERVIEW The United Nations Development Programme (UNDP), the Seeker for this Innocentive Challenge, is searching for creative, affordable solutions that can safely detect and mark the presence of underwater explosive ordnance. In conflict or post-conflict zones, vast quantities of explosive ordnance (EO) lie submerged in oceans, lakes, rivers, and coastal waters. From post-WWII dumping to modern conflict spillover, these extremely hazardous explosives jeopardize the lives, livelihoods, and environments of nearby communities. UNDP is particularly interested in solutions that can be safely used by members of these communities, empowering them and enabling widespread knowledge of these dangers without requiring military or high-cost commercial interventions. The ideal solution will allow ...

    $20000 Average bid
    Sealed
    $20000
    65 entries

    Ich möchte automatisiert Trading-Signale aus TradingView in einen Discord-Channel schicken und gleichzeitig bei meinen Brokern konkrete Stop-Buy bzw. Stop-Sell-Orders inklusive vorab definiertem Stop-Loss platzieren lassen. Der Workflow muss mehrere Asset-Klassen abdecken, vor allem Forex und Rohstoffe, und mit folgenden Brokern funktionieren: FXCM, Black Bull Markets und FP Markets. Kernaufgaben • Signale aus TradingView abfangen (z. B. per Webhook) und ohne Verzögerung an Discord weiterleiten. • ggf. parallel dazu automatisch die passende Order beim jeweils hinterlegten Broker aufgeben – wahlweise Stop-Buy oder Stop-Sell – und sofort den Stop-Loss setzen. • Multi-Asset-Handling, damit unterschiedliche Symbolnamen/Contracts je Broker korrekt u...

    $494 Average bid
    $494 Avg Bid
    35 bids

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