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👋 Hi there! I'm Junaid Alam, I help Startups, EV companies, Robotics teams and New product development mechanical systems from concept design to validated performance using a structured design → simulation → validation approach—reducing physical prototyping, development time, and engineering risk. I am a Mechanical Systems and Vehicle Dynamics Engineer with over 5 years of hands-on experience in automotive and mobility-focused industry, working across passenger vehicles, off-road vehicles (ATV/UTV), powertrain and transmission, robots, and planetary rovers. My strength lies in combining robust CAD design with high-fidelity multibody dynamics simulations and validation through CAE , and correlating results with real-world behavior. Rather than treating CAD and CAE as isolated tasks, I design components and mechanisms with simulation intent from day one, ensuring designs are structurally sound, dynamically stable, and manufacturable before hardware is built. Core Services : 1. Mechanical System Design (CAD) Parametric 3D CAD design and assemblies using CATIA and SolidWorks, with material selection and thickness optimization driven by structural and dynamic load requirements. 2. Multibody Dynamics (MBD) & Mechanism Simulation High-fidelity rigid and flexible body simulations using MSC ADAMS and Altair MotionView to validate kinematics, compliance, contact behavior, and mechanism performance. 3. Vehicle Dynamics, Ride & Handling Suspension kinematics and compliance (K&C) analysis, ride and handling evaluation, and vehicle behavior modeling using MATLAB/Simulink for on-road and off-road applications for both Bikes and Cars. 4. Powertrain & Driveline Analysis Torque flow, efficiency, torsional eigenfrequency, and gear rattle analysis, with 1D system-level simulations in Amesim to assess driveline and shift behavior. 5. CAE & Structural Validation Meshing and structural analysis using Altair HyperMesh and ANSYS, including load case identification (RLDA) and durability-focused validation. 6. Engineering Training and Technical Guidance: I Provide structured training on multibody simulations (ADAMS / MotionView) and vehicle ride and handling evaluation, tailored for engineers and teams. 💡 Projects That Make Me Stand Out: Suspension Kinematics & Compliance (K&C) Analysis: Conducted suspension kinematic and compliance analysis using MSC ADAMS, evaluating ride and handling performance, wheel travel characteristics, and compliance effects to support suspension tuning decisions. Transmission System Co-Simulation (MBD + 1D Controls): Integrated a multibody dynamics model of a transmission system with a 1-D vehicle and control model in MATLAB/Simulink to validate torque flow, shift strategies, and transient system behavior under real driving scenarios. DCT Park Lock Mechanism (MBD): Developed and validated a multibody model of a park lock mechanism in Altair MotionView, identifying peak contact loads and ensuring reliable engagement across operating conditions. Planetary Rover Dynamics: Performed multibody dynamics analysis of a rover system using MSC ADAMS to study mobility, articulation behavior, and load transfer over uneven terrain. Off-road Vehicle Ride & Handling: Led suspension modeling and ride/handling optimization for ATVs and UTVs, supported by physical testing such as bump rig, brake, and stability tests. 🔧 Tool Expertise: MSC ADAMS (Car/View) Altair Motion View/Motion Solver MATLAB/Simulink Hypermesh / Hyperworks Amesim , CarSim and BikeSim CATIA V5 & Solidworks Ansys & Abaqus 🎯 Why Work With Me? I bring not just simulation proficiency, but a problem-solving mindset and an engineer's intuition. I provide : End-to-end ownership: design → simulate → validate Strong intuition backed by simulation and real-world testing exposure Clear technical communication and structured problem-solving Reliable delivery with attention to engineering detail Whether you’re developing an EV subsystem, robotic mechanism, off-road vehicle, or a new mechanical concept, I can help you validate performance early and move forward with confidence. 🌍 Let’s Connect! I'm open for both short-term consulting and long-term collaborations. If you’re looking for a mechanical engineer who can design intelligently, simulate accurately, and validate realistically, send me your problem statement and timeline—I’ll take it from there.

My name is Shubham Dutta. I am a mechanical engineer and a certified Solidworks Expert. I have deep knowledge and background in mechanical engineering, electronic design and programming skills which makes me a good fit for a wide variety of projects such as those who have a high degree of complexity and demand knowledge in none-related fields of engineering. I have professional experience working on challenging projects in Mechanical Design, Robotics, Machine Design, Product Design & Development, 3D printing. I can take your idea from sketches to an actual working prototype with detailed CAD and Fabrication drawings ready for manufacturing. 🌟 SERVICES🌟 ✅ Mechanical engineering ✅ FEA analysis ✅ CFD analysis ✅ CAE analysis ✅ Product design ✅ Professional 3D CAD designer (Solidworks, Autocad, Catia, NX) ✅ Design optimization ✅ Innovative design ✅ Multidisciplinary knowledge 🌟 APPROACH TO WORK🌟 Using my past experience and broad knowledge of mechanical engineering, the product I design will not only meet all your requirements and expectations but will also be optimized for final cost and give you a competitive advantage. I can use my knowledge in CAE simulations (FEA and CFD) to support my product design, or it can be used as a “stand-alone” service to perform simulations on and existing product. The fields of engineering analysis where I have the most experience are; ✅ Structural mechanics ✅ Stress analysis ✅ NVH ✅ Numerical optimization ✅ Fluid flow, heat transfer ✅ electromagnetic analysis ✅ Injection molding and forming analysis You can look at the entire portfolio on my website. My experience form automotive, aerospace, structural and offshore engineering gives me a unique perspective when designing products. I will be using all of the multidisciplinary knowledge from electrical engineering all the way to manufacturing, to make your product stand out. 🌟 WHY CHOOSE ME OVER OTHER FREELANCERS🌟 ✅ TRACK RECORD: My reviews speak for themself. I have a 100% job succession and I can assure you, our project will be 100% successful as well. ✅ PERFORMANCE: I always exceed my client’s expectations. No matter what the task, I always bring to the table some extra ideas, which encourage my clients to work with me again. ✅ COMMUNICATION: I am fluent in English and have great communicational skills. My writing and speaking are clear and transparent. ✅ RESPONSIVENESS: I am always available for my clients and give them regular feedback on the progress. I would almost without exception update you at least once a day on the status of our project.

I am an experienced Product Owner and Development Engineer with nine years in the Automotive industry. My expertise lies in automotive technology, control theory, vehicle dynamics, and software development, utilizing high-level programming languages like MATLAB/Simulink, Python, and C. I excel in Powertrain Controls and have hands-on experience in developing and testing SiL and HiL systems. I thrive in cross-functional teams, driving innovation and continuous improvement to meet organizational goals. My academic background includes a Master’s degree in Vehicle Engineering, equipping me with the knowledge to tackle complex challenges in this field. If you are looking for a dedicated professional who can seamlessly integrate technical prowess with strategic insights, let’s connect and discuss how I can help elevate your project.

I’m an 𝗔𝘂𝘁𝗼𝗺𝗼𝘁𝗶𝘃𝗲 𝗘𝗖𝗨 𝗙𝗶𝗿𝗺𝘄𝗮𝗿𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 with 𝟭𝟭+ 𝘆𝗲𝗮𝗿𝘀 of experience developing production-grade automotive software for 𝗩𝗼𝗹𝘃𝗼, 𝗭𝗙, 𝗗𝗮𝗶𝗺𝗹𝗲𝗿, 𝗥𝗲𝗻𝗮𝘂𝗹𝘁-𝗡𝗶𝘀𝘀𝗮𝗻, 𝗛𝘆𝘂𝗻𝗱𝗮𝗶, 𝗚𝗲𝗲𝗹𝘆, 𝗠𝗔𝗡 𝗧𝗿𝘂𝗰𝗸𝘀 𝗮𝗻𝗱 𝗠𝗮𝗵𝗶𝗻𝗱𝗿𝗮. My core expertise is 𝗘𝗖𝗨 𝗳𝗶𝗿𝗺𝘄𝗮𝗿𝗲, 𝗔𝗨𝗧𝗢𝗦𝗔𝗥, 𝗖𝗔𝗡/𝗖𝗔𝗡 𝗙𝗗, 𝗨𝗗𝗦, 𝗢𝗕𝗗-𝗜𝗜, 𝗯𝗼𝗼𝘁𝗹𝗼𝗮𝗱𝗲𝗿𝘀, 𝗘𝗖𝗨 𝗱𝗶𝗮𝗴𝗻𝗼𝘀𝘁𝗶𝗰𝘀, 𝗘𝗖𝗨 𝗳𝗹𝗮𝘀𝗵𝗶𝗻𝗴 𝗮𝗻𝗱 𝗹𝗼𝘄-𝗹𝗲𝘃𝗲𝗹 𝗲𝗺𝗯𝗲𝗱𝗱𝗲𝗱 𝗳𝗶𝗿𝗺𝘄𝗮𝗿𝗲. I have hands-on experience across the ECU software stack: 𝗠𝗖𝗔𝗟 → 𝗕𝗦𝗪 → 𝗘𝗖𝗨 𝗔𝗯𝘀𝘁𝗿𝗮𝗰𝘁𝗶𝗼𝗻 → 𝗖𝗢𝗠/𝗖𝗮𝗻𝗜𝗳/𝗖𝗮𝗻𝗧𝗽 → 𝗗𝗘𝗠/𝗗𝗧𝗖 → 𝗡𝘃𝗠 → 𝗥𝗧𝗘 → 𝗔𝗦𝗪. 𝗥𝗘𝗖𝗘𝗡𝗧 𝗘𝗖𝗨 𝗪𝗢𝗥𝗞 Recently, I developed an 𝗘𝗦𝗣𝟯𝟮-𝗦𝟯-𝗯𝗮𝘀𝗲𝗱 𝗘𝗖𝗨 𝗳𝗹𝗮𝘀𝗵𝗶𝗻𝗴 𝗱𝗲𝘃𝗶𝗰𝗲 for 𝗛𝘆𝘂𝗻𝗱𝗮𝗶/𝗞𝗶𝗮 𝗦𝗜𝗠𝟮𝗞 𝗘𝗖𝗨𝘀, targeting automotive tuning and ECU programming workflows. The project involves CAN communication, ECU read/write operations, firmware handling, ECU flashing, embedded firmware and host-side tooling. 𝗔𝗨𝗧𝗢𝗠𝗢𝗧𝗜𝗩𝗘 𝗦𝗞𝗜𝗟𝗟𝗦 • ECU Firmware Development & Debugging • AUTOSAR / MCAL / BSW / RTE / ASW • UDS / ISO 14229 / OBD-II • CAN / CAN FD / LIN / J1939 • Bootloaders & ECU Programming • DTC / DEM / Diagnostics • Embedded C / MISRA-C • ISO 26262 / ASPICE / V-Model • ECU Reverse Engineering & Communication Analysis • Real-time automotive control firmware 𝗣𝗟𝗔𝗧𝗙𝗢𝗥𝗠𝗦 Infineon AURIX TC2xx/TC3xx | Renesas RH850 | NXP S32K1/S32K3 | STM32 | ESP32/ESP32-S3 𝗧𝗢𝗢𝗟𝗦 CANoe | CANalyzer | CANape | Trace32 | WinIDEA | IAR | STM32CubeIDE | VectorCAST | QAC | Polyspace | MATLAB/Simulink | Git/Gerrit My hardware background is also useful when ECU problems cross the boundary between hardware, MCU, drivers and application software, allowing me to debug the complete system rather than just the firmware. 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 | 𝟭𝟭+ 𝗬𝗲𝗮𝗿𝘀 𝗔𝘂𝘁𝗼𝗺𝗼𝘁𝗶𝘃𝗲 𝗘𝗺𝗯𝗲𝗱𝗱𝗲𝗱 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 | 𝗣𝘂𝗯𝗹𝗶𝘀𝗵𝗲𝗱 𝗣𝗮𝘁𝗲𝗻𝘁 𝗛𝗼𝗹𝗱𝗲𝗿