Mechatronics Engineer at Inferigence Quotient · Bengaluru (Bangalore) · 2 - 4 years · ₹10L - ₹18L / yr · Bootstrapped · Posted 21 Sep 2026
Job Description – Mechatronics Engineer
Position
Mechatronics Engineer
Experience
2 years
Location
Bengaluru, India
About the Role
We are looking for a hands-on Mechatronics Engineer with approximately 2 years of experience to work on the development and integration of intelligent electro-mechanical systems.
The role involves a combination of electronics system assembly and testing, sensors and actuators, control algorithms, estimation algorithms, embedded implementation, system configuration, and hardware-software integration. The ideal candidate should be comfortable working across the boundary between mechanical, electrical, embedded software, and algorithms.
Key Responsibilities
1. System Assembly & Integration
- Assemble and integrate electro-mechanical systems, sensors, actuators, embedded computers, controllers, and associated electronics.
- Perform wiring, connection, sensor installation, and basic electrical integration.
- Support integration of cameras, IMUs, GNSS, encoders, motors, servos, and other sensors/actuators.
- Configure systems for laboratory, ground, and flight testing.
- Troubleshoot hardware, electrical, communication, and integration issues.
2. Electronics Testing & Validation
- Develop and execute test procedures for electronic and mechatronic subsystems.
- Perform functional testing, sensor validation, actuator testing, and system-level testing.
- Use laboratory equipment such as oscilloscopes, multimeters, power supplies, electronic loads, and logic analysers.
- Analyse test data and identify hardware, firmware, sensor, or integration issues.
- Maintain test records, test reports, and issue/defect logs.
3. Control & Estimation Algorithms
- Implement and integrate control algorithms for electro-mechanical systems.
- Work with PID, state-space, feedback control, actuator control, and related control techniques.
- Implement estimation algorithms such as complementary filters, Kalman filters, EKF/UKF, or sensor fusion algorithms.
- Perform sensor calibration, parameter estimation, filtering, and system identification.
- Tune control and estimation parameters based on laboratory and flight-test data.
4. Embedded Implementation
- Implement algorithms on embedded processors and real-time computing platforms.
- Interface sensors and actuators using protocols such as UART, SPI, I²C, CAN, RS-232/485, Ethernet, etc.
- Develop or modify embedded C/C++ code for system integration.
- Debug hardware-software interaction and real-time issues.
- Support optimisation and deployment of algorithms on resource-constrained embedded systems.
5. Configuration & Version Management
- Maintain configuration of hardware, firmware, software, sensors, and system parameters.
- Maintain configuration-controlled parameter files, calibration data, firmware versions, and test configurations.
- Use Git or equivalent version-control systems for software and configuration management.
- Maintain proper traceability between hardware configuration, software version, test results, and system performance.
- Support controlled release of system configurations for testing and demonstrations.
6. System Testing & Field Trials
- Participate in system-level integration, laboratory testing, HIL/SIL testing, and field/flight trials.
- Prepare test setups and test cases based on system requirements.
- Collect and analyse telemetry, sensor, actuator, and performance data.
- Diagnose failures during integration and testing and work with the engineering team to resolve them.
- Support verification and validation activities for production-grade systems.
Required Skills
- B.E./B.Tech/M.Tech in Mechatronics, Electronics, Electrical, Instrumentation, Mechanical Engineering, or a related discipline.
- Approximately 2 years of relevant industry/project experience.
- Strong hands-on experience with electronics system assembly, integration, and testing.
- Understanding of sensors, actuators, motors, servos, and embedded systems.
- Good understanding of control systems and estimation/filtering techniques.
- Experience implementing algorithms in C/C++ and/or Python.
- Familiarity with microcontrollers, embedded processors, and real-time systems.
- Working knowledge of communication protocols such as CAN, UART, SPI, I²C and Ethernet.
- Experience using laboratory test equipment such as oscilloscopes and multimeters.
- Familiarity with Git and configuration/version management.
- Ability to read schematics, datasheets, interface specifications, and technical documentation.
- Strong debugging and problem-solving skills.
- Willingness to work hands-on with hardware and participate in field/flight testing.
Good to Have
- Experience with UAVs, robotics, autonomous systems, gimbals, or avionics.
- Experience with IMU, GNSS, magnetometer, barometer, encoder, camera, or other navigation sensors.
- Experience with EKF/UKF, sensor fusion, visual-inertial estimation, or inertial navigation.
- Familiarity with MATLAB/Simulink.
- Experience with PX4, ArduPilot, ROS/ROS2, or similar platforms.
- Experience with HIL/SIL testing.
- Basic understanding of real-time operating systems.
- Experience with hardware bring-up and PCB-level debugging.
- Familiarity with engineering standards, configuration management, and structured V&V processes.
Desired Attributes
- Hands-on engineer who enjoys working with both hardware and software.
- Comfortable moving between mechanical assembly, electronics, algorithms, and embedded implementation.
- Strong debugging mindset with an ability to systematically isolate problems.
- Good understanding of engineering fundamentals rather than dependence on pre-built libraries or tools.
- Able to work independently on assigned modules while collaborating closely with multidisciplinary teams.
- Comfortable working in a fast-paced R&D environment involving prototyping, testing, iteration, and field trials.
- Strong documentation and communication skills.
Typical Technology Environment
Sensors & Actuators: IMU, GNSS, magnetometer, encoders, cameras, motors, servos
Embedded: Microcontrollers, ARM processors, embedded Linux/RTOS
Algorithms: PID, state estimation, Kalman filtering, sensor fusion, system identification
Programming: C/C++, Python, MATLAB/Simulink
Testing: Oscilloscope, logic analyser, multimeter, power supply, HIL/SIL
This is a hands-on R&D engineering role suited for an engineer who wants to work on complete intelligent systems rather than a narrowly defined mechanical or electronics function. The engineer will contribute across assembly → integration → algorithm implementation → configuration → testing → debugging → field validation, with particular emphasis on UAV and autonomous-system applications.

About Inferigence Quotient
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Job Title: Software/Hardware Engineer (IIT/NIT)
Location: Bangalore
Website: https://www.zeuron.ai
Experience: 1 Year
CTC: 6-7 LPA
About the Company
Zeuron.ai is a Bangalore-based deep-tech startup founded in 2019, focused on building brain-inspired computing and AI-driven healthcare solutions. The company combines neuroscience, AI, and gaming to create innovative digital therapeutics and neurotechnology platforms for improving brain health, rehabilitation, and overall well-being.
About the Role
We are looking for a highly motivated Software/Hardware Engineer from premier institutes (IIT/NIT) with strong fundamentals and a passion for building scalable and efficient systems. This role offers an opportunity to work on cutting-edge technology and solve real-world problems.
Key Responsibilities
Design, develop, and optimize software/hardware solutions
Work on system architecture, debugging, and performance improvements
Collaborate with cross-functional teams (product, design, operations)
Participate in code reviews, testing, and deployment processes
Contribute to innovation and continuous improvement initiatives
Requirements
B.Tech/M.Tech from IITs/NITs (Computer Science, Electronics, Electrical, or related fields)
1 year of experience (internships/project experience considered)
Strong programming skills (C/C++/Python/Java) or hardware fundamentals (embedded systems, VLSI, circuit design)
Good understanding of data structures, algorithms, and system design
Problem-solving mindset with strong analytical skills
Preferred Skills
Experience with embedded systems, IoT, or product development
Knowledge of cloud platforms or system-level programming
Good in Computer vision, Flutter, JavaScript, AI/ML
Job Description – Embedded Application Engineer (4–6 Years Experience)
Position
Embedded Application Engineer
Experience
4–6 Years
Location
Hyderabad
Job Summary
We are seeking a highly motivated Embedded Application Engineer with 4–6 years of experience in developing, deploying, and maintaining embedded software applications on Linux-based platforms. The ideal candidate should possess strong programming skills in Go, C/C++, Linux, and Python, leverage modern AI-assisted development tools such as Cursor, and have experience working with industrial communication protocols, messaging systems, and DevOps automation pipelines.
The role involves designing edge applications, integrating industrial devices, implementing secure communication frameworks, and enabling scalable deployment and lifecycle management across ARM and AMD-based hardware platforms.
Key Responsibilities
· Design, develop, and maintain embedded applications for Linux-based edge devices.
· Develop high-performance software components using Go, C/C++, Linux, and Python.
· Utilize AI-powered coding assistants (e.g., Cursor) to improve development productivity and code quality.
· Implement and integrate communication protocols such as:
o MQTT
o Sparkplug B
o JSON-based messaging interfaces
o Industrial protocols (Modbus preferred)
· Build edge-to-cloud data communication services and telemetry pipelines.
· Develop software for ARM and AMD processor architectures.
· Create automated CI/CD pipelines using CircleCI and related DevOps tools.
· Implement automated testing, deployment, and release processes.
· Perform debugging, profiling, and performance optimization for embedded systems.
· Collaborate with product, cloud, and platform engineering teams to deliver scalable and secure solutions.
· Support software configuration, packaging, deployment, and version management.
· Contribute to system monitoring, diagnostics, and fleet lifecycle management.
Required Skills & Qualifications
Programming Languages
· Strong proficiency in:
o Go
o C/C++
o Python
o Linux Application development
· Experience using AI-assisted coding tools such as Cursor or similar developer productivity tools.
Embedded & Platform Expertise
· Strong experience with:
o Linux-based embedded development
o Application-level debugging
o ARM and AMD processor architectures
o Multi-threaded and concurrent application design
Communication & Protocols
· Hands-on experience with:
o MQTT
o Sparkplug B
o JSON message structures and APIs
· Familiarity with industrial communication protocols:
o Modbus (preferred)
DevOps & Automation
· Experience with:
o CircleCI
o Continuous Integration (CI)
o Continuous Delivery/Deployment (CD)
o Automated testing frameworks
o Version control systems (Git)
Device & Fleet Management
· Experience with:
o Software packaging and deployment
o Remote device management
o Fleet monitoring and maintenance
o Canonical Snap package management
Preferred Qualifications
· Experience in IoT, Edge Computing, Building Automation, Industrial Automation, or HVAC domains.
· Familiarity with container technologies (Docker/Podman).
· Understanding of cybersecurity practices for embedded devices.
· Experience with cloud integration (AWS, Azure, or GCP).
· Knowledge of telemetry, diagnostics, and remote software update mechanisms.
Key Competencies
· Strong problem-solving and debugging skills.
· Excellent communication and collaboration abilities.
· Ability to work independently in agile development environments.
· Focus on software quality, maintainability, and reliability.
· Passion for automation and modern software engineering practices.
Nice-to-Have Domain Experience
· IoT Edge Platforms
· Industrial Automation Systems
· Building Management Systems (BMS)
· HVAC Controls and Equipment Connectivity
· Smart Building and Energy Management Solutions
Experience Range: 4–6 Years
Education: Bachelor's or Master's degree in Computer Science, Electronics, Electrical Engineering, Embedded Systems, or a related field.
Power Electric Vehicles with embedded software for battery management and autonomous driving.
What you'll do:
- Develop BMS algorithms (SOC/SOH estimation)
- Implement CAN bus communication protocols
- Code motor control algorithms (FOC, sensorless)
- Build ADAS features (ultrasonic parking, vision)
- HIL testing with Vector tools
- Optimize for automotive-grade reliability (AUTOSAR)
What we need:
- C/C++, Embedded Linux/RTOS
- Microcontroller experience (STM32, NXP)
- Control systems or automotive interest
- Debugging skills (oscilloscopes, logic analyzers)
Future-proof skills:
- Work on actual EV prototypes
- Portfolio for Tata, Mahindra EV teams
- Automotive cybersecurity exposure
About Nexora Group
Nexora Group is a technology-driven organization focused on innovation in Artificial Intelligence, IoT, Embedded Systems, Robotics, and next-generation digital solutions. We provide aspiring engineers with opportunities to gain practical experience, work on industry-relevant projects, and develop skills that bridge hardware and intelligent software systems.
Internship Overview
Nexora Group is seeking passionate and innovative Embedded Systems with AI Interns to join our technology team. This internship is designed for students and recent graduates interested in embedded programming, IoT development, edge AI, robotics, and intelligent hardware systems. Interns will work on real-world projects involving microcontrollers, sensors, AI-powered devices, and automation solutions.
Key Responsibilities
- Design, develop, and test embedded applications for intelligent systems.
- Work with microcontrollers and development boards such as Arduino, ESP32, STM32, and Raspberry Pi.
- Integrate sensors, actuators, and communication modules into embedded solutions.
- Develop and deploy AI/ML models for edge devices and IoT applications.
- Assist in building smart automation, robotics, and intelligent monitoring systems.
- Debug, optimize, and troubleshoot hardware and firmware issues.
- Collaborate with software and AI teams to integrate machine learning into embedded platforms.
- Document project architecture, testing results, and technical specifications.
- Research emerging technologies in Edge AI, TinyML, IoT, and Embedded Computing.
Required Skills
- Basic understanding of Embedded Systems and Microcontrollers.
- Knowledge of C, C++, or Python programming.
- Familiarity with Arduino IDE, PlatformIO, Raspberry Pi, or similar development environments.
- Understanding of electronics, sensors, and communication protocols (UART, I2C, SPI, MQTT).
- Basic knowledge of Artificial Intelligence and Machine Learning concepts.
- Strong analytical and problem-solving abilities.
- Good communication and teamwork skills.
- Passion for innovation and hardware-software integration.
Preferred Qualifications
- Experience with IoT, Robotics, Automation, or Embedded Projects.
- Familiarity with TensorFlow Lite, TinyML, Edge AI, or Computer Vision applications.
- Knowledge of PCB design, circuit simulation, or hardware prototyping.
- Participation in technical competitions, hackathons, or research projects.
- GitHub portfolio or project demonstrations showcasing embedded or AI work.
Eligibility
- Undergraduate or postgraduate students pursuing Electronics & Communication Engineering (ECE), Electrical Engineering (EE), Computer Science, Embedded Systems, Mechatronics, Robotics, IoT, AI, or related disciplines.
- Recent graduates seeking practical industry exposure.
- Candidates passionate about intelligent hardware systems and emerging technologies.
What You'll Gain
- Hands-on experience with real-world Embedded Systems and AI projects.
- Exposure to IoT, Edge AI, Robotics, and Smart Device development.
- Mentorship from experienced engineers and technology professionals.
- Internship Completion Certificate.
- Letter of Recommendation based on performance.
- Opportunity for a Pre-Placement Offer (PPO) for outstanding performers.
- Professional networking and career growth opportunities.
Firmware Development Engineer
Position Summary:
As a Firmware Engineer in the New Product Development group, you will contribute to designing, developing, and delivering high-quality embedded solutions for electric actuator products. This role involves working across the full product lifecycle, from interpreting requirements to implementation and testing, ensuring alignment with Emerson’s standards for reliability, innovation, and customer satisfaction. You will collaborate with cross-functional teams to build scalable and compliant firmware solutions that meet both technical and regulatory expectations.
In This Role, Your Responsibilities Will Be:
- Design, implement, and enhance firmware for electric actuators, ensuring seamless integration with hardware systems
- Develop firmware solutions from concept through deployment, including coding, debugging, validation, and release activities
- Analyze and optimize firmware for performance, efficiency, and reliability against defined specifications
- Collaborate with hardware, software, and test teams to enable smooth system integration
- Conduct testing, troubleshooting, and root-cause analysis to resolve technical issues and improve product quality
- Participate in all stages of product development, including design, prototyping, certification, and manufacturing support
- Stay updated with industry trends, tools, and methodologies to continuously improve firmware solutions and development practices
Who You Are:
You build partnerships and work collaboratively with others to meet shared objectives. You demonstrate strong problem-solving skills by analyzing complex technical challenges and developing effective solutions. You communicate clearly and effectively across different teams to ensure alignment and understanding. You show a continuous learning mindset and actively seek opportunities to improve processes, tools, and outcomes.
For This Role, You Will Need:
- Bachelor’s degree in Electronics Engineering or a related field
- Strong experience in embedded firmware development with the ability to work closely with hardware teams
- Proficiency in C/C++ programming for embedded systems
- Hands-on experience with RTOS concepts and firmware development in RTOS environments
- Understanding of microcontrollers/microprocessors (16/32-bit) and peripheral interfaces such as I2C, SPI, UART, Ethernet, USB, and display systems
- Strong analytical, debugging, and problem-solving skills
- Familiarity with product development lifecycle processes and tools for configuration management and issue tracking
- Ability to collaborate effectively in a global engineering environment
Preferred Qualifications That Set You Apart:
- Experience working with industrial communication protocols such as Modbus, HART, or Bluetooth
- Exposure to cybersecurity practices in embedded systems, particularly IEC62443 standards
- Experience in firmware development for motor control or actuator-based products
- Familiarity with Agile or SAFe methodologies
- Experience in delivering end-to-end product development from concept to production
Role: Software Developer
Employment Type: Full Time
Location: Gurugram, India
Educational Qualification: BE/BTech/ M.Tech / MS in Software Engineer
Work Experience: 6-8+ years of relevant work experience
Role Description:
Design and develop software for satellite systems, including onboard flight software and ground segment applications, ensuring reliability and real-time performance. Collaborate with hardware, AOCS, and mission teams to implement, test, and integrate software across the mission lifecycle. Support verification, validation, and in-orbit operations for robust and mission-critical performance.
Responsibilities & Duties:
- Design, develop, and maintain onboard flight software (FSW) and ground segment applications for satellite missions
- Develop real-time, embedded software for spacecraft subsystems (AOCS, EPS, payload, communication)
- Implement software in languages such as C/C++, Python, and embedded C for high-reliability systems
- Design software architecture, modules, and interfaces aligned with system requirements and mission objectives
- Develop drivers and low-level firmware for hardware interfaces (SPI, I2C, UART, CAN, SpaceWire, Ethernet)
- Work with real-time operating systems (RTOS) such as FreeRTOS or equivalent
- Implement communication protocols for telemetry, telecommand, and data handling
- Collaborate with hardware, AOCS, RF, and systems teams for seamless hardware-software integration
- Develop simulation tools, test scripts, and automation frameworks using Python or MATLAB
- Perform software verification and validation (V&V), including unit testing, integration testing, and system testing
- Develop and execute Software-in-the-Loop (SIL) and Hardware-in-the-Loop (HIL) test environments
- Perform code reviews, static analysis, and debugging to ensure reliability and performance
- Optimize software for real-time performance, memory usage, and fault tolerance
- Implement fault detection, isolation, and recovery mechanisms
- Support integration, system testing, and environmental testing (EMI/EMC, thermal vacuum, vibration)
- Develop and maintain technical documentation (design documents, interface control documents, test reports)
- Participate in design reviews (SRR, PDR, CDR, TRR) and technical discussions
- Support launch operations, commissioning, and in-orbit software updates and anomaly resolution
- Utilize version control and collaboration tools such as Git
- Work within structured development processes (Agile/Waterfall/Sprint) and configuration management systems
- Troubleshoot software and system-level issues and perform root cause analysis
Desirable Skills & Certifications:
- Strong proficiency in C/C++ and Python for embedded and system-level software development
- Experience with real-time operating systems such as FreeRTOS or equivalent RTOS platforms
- Familiarity with spacecraft communication protocols (UART, SPI, I2C, CAN, SpaceWire, Ethernet) and telemetry/telecommand systems
- Experience in Software-in-the-Loop (SIL), Hardware-in-the-Loop (HIL), and simulation-based verification
- Knowledge of space software standards and practices (ECSS, NASA, ISRO, MISRA C guidelines)
- Proficiency in version control and development workflows using Git and CI/CD practices
- Understanding of embedded systems, firmware development, and hardware-software integration
• Design and implement scalable IoT solutions from sensor to cloud, ensuring seamless integration between
vehicle hardware (fuel sensors, GPS trackers, OBD devices) and the Anytime Diesel platform
• Integrate industrial and automotive sensors, microcontrollers, and gateways with the platform
• Develop, optimize, and troubleshoot data flow using protocols such as CAN bus, Modbus, RS485, TCP, and
RTU
• Manage the full IoT device lifecycle across the fleet — provisioning, remote configuration, health monitoring,
and OTA/FOTA firmware updates
• Collaborate with software, data, and operations teams to define data models and ensure clean data ingestion for
fleet analytics
• Conduct testing, debugging, and performance analysis of embedded firmware and IoT systems using tools like
oscilloscopes and logic analyzers
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Technical Lead – Embedded Software Application Projects
link: https://www.ziliconcloud.com/careers
ZILICONCLOUD PRIVATE LIMITED is looking for an experienced Technical Lead with 5–8 years of industry experience in Embedded Systems, IoT, AI, Cloud, and Software Engineering.
The candidate will lead Embedded, IoT, Edge AI, and Cloud projects, define system architecture, convert requirements into technical tasks, and ensure successful project execution and delivery.
Key Responsibilities
- Design modular system architectures for Embedded, IoT, Edge AI, Cloud, REST APIs, and dashboards.
- Convert requirements into clear tasks, milestones, and deliverables.
- Track project progress, manage technical risks, and ensure on-time delivery.
- Guide engineers on coding standards, Git, testing, debugging, and documentation.
- Troubleshoot issues across hardware, firmware, IoT, cloud, backend, and UI.
- Support system integration, testing, debugging, and performance improvement.
- Review technical designs, code, and test results.
- Lead prototype development, integration, technical reviews, and demonstrations.
- Mentor young engineers and explain complex technical concepts in a simple and practical way.
Required Skills
C/C++, Python, JavaScript/TypeScript, Linux, FreeRTOS, Microcontrollers, REST APIs, MQTT, Git, Embedded Software, IoT, and system debugging.
Preferred: AWS IoT, Microsoft Azure, ThingsBoard, OpenCV, TensorFlow Lite (TFLite), React, Flutter, or FastAPI.
Education
B.E./B.Tech/M.E./M.Tech in ECE, CSE, Embedded Systems, Mechatronics, or a related field.
📍 Location: East Tambaram, Chennai, Tamil Nadu
💼 Experience: 5–8 Years
🕒 Employment Type: Full-Time
At InferQ, we are building solutions for autonomous and intelligent aerial systems. We seek a Robotic Navigation Engineer with deep technical rigor and a passion for developing mission-critical navigation, estimation, and path planning systems for UAVs. The role demands hands-on engagement across the autonomy stack. You will work at the intersection of robotics, AI, and aerospace, translating research into reliable field-deployable systems.
Key Responsibilities
- Architect and implement algorithms for joint state estimation, integrating multi-sensor inputs.
- Develop dynamic and real-time path planning solutions for UAVs.
- Create and validate flight simulations using various COTS Simulators or custom HIL/SIL test environments.
- Design and integrate advanced navigation systems.
- Work with avionics, AI, and controls teams to integrate autonomy modules on flight computers and mission systems.
- Conduct flight trials, performance evaluation, and algorithm optimization under real mission conditions.
- Support development of mission-critical autonomy frameworks for UAV systems.
Skillset/ Experience Required
- Strong foundation in linear and nonlinear state estimation and multi-sensor fusion.
- Expertise in path planning and trajectory optimization for aerial platforms.
- Proficiency in C++ / Python and ROS / ROS2 for robotic system development.
- Experience with aerospace kinematics and dynamics modeling, flight control integration, and navigation system design.
- Hands-on experience with Gazebo / X-Plane / AirSim / Unreal Engine simulators.
- Practical understanding of vision-based SLAM, visual odometry, and obstacle avoidance.
- Strong analytical and debugging skills, with a systems-engineering mindset.
- Exposure to AI-based perception systems.
- Integration of algorithms with embedded flight computers.
- Experience with HIL/SIL test setups and flight telemetry systems.
- Familiarity with DO-178C, DO-254, or other lifecycle processes is a plus.
Educational Qualification
- B.E. / B.Tech / M.Tech / Ph.D. in Aerospace, Robotics, Computer Science, Electrical, or related disciplines.
- Academic or project focus in Autonomous Systems, Estimation, Navigation, or AI-based Robotics is preferred.
About Jinn
Jinn is a Voice AI Tech Company. It helps businesses get better RoI specially by helping sales processes with the use of Voice AI Tech. We are adding a business line which includes an audio device that can reliably capture audio in various environments.
About role:
- This Role in a B2B SaaS startup in AI space led by 2X entrepreneurs from IIT, IIMs. Fast paced with a lot of learning and growth.
- Responsibility: Helping engineer/assemble/bring together an IoT/ hardware device that can accomplish product goals with required constraints. Great high stakes exposure for fresh grads
- Duration: 3-6 months internship || Converts to Full Time based on performance
- Compensation (Stipend): 20-25k per month || Full time 4.5lpa - 6LPA
Ideal Profile: Interested in building a career in IoT/Tech, good communication, good discipline, solid understand of tech (AI)
Skill Sets
Look for someone who:
• Has built at least 1 IoT project end-to-end
• Knows Arduino + one of ESP32 / nRF52
• Has touched audio input (even basic)
• Is comfortable debugging hardware (this is key)
1. Embedded Systems Programming (Must-have)
• C/C++ (Arduino framework or ESP-IDF)
• Working with:
* ESP32 OR
* Seeed Studio XIAO BLE nRF52840 Sense
• Skills:
* GPIO, I2S (for mic input)
* Power modes (deep sleep, wake triggers)
* Memory constraints (huge in audio use cases)
👉 This is the backbone. If they can’t do this well, project stalls.
2. Audio Handling + Signal Basics
• Understanding:
* Sampling rate (16kHz vs 44.1kHz)
* PCM audio buffers
* Latency vs quality trade-offs
• Practical skills:
* Using I2S microphones (INMP441, etc.)
* Basic noise filtering
* Voice Activity Detection (VAD)
👉 Without this, you’ll just get noisy unusable recordings.
3. Power & Hardware Basics (Often underestimated)
• LiPo battery handling
• Charging IC (TP4056 type)
• Power optimization:
* Sleep modes
* Sampling intervals
Many prototypes fail here (battery drains in 1 hour 😅)
4. Connectivity (BLE / WiFi)
• BLE (for XIAO nRF52840):
* Data chunking (BLE MTU limits!)
* Pairing + mobile relay model
• WiFi (for ESP32):
* HTTP / WebSocket streaming
* Retry + buffering
Trade







