CAD /CAM developer at J&F · Remote, Bengaluru (Bangalore), Noida, Chennai · 3 - 7 years · Bootstrapped · Remote friendly · Posted 11 Aug 2026

Job Description:
Position: CAD/CAM Developer / CAD Software Developer
Experience: 3–6 years
Employment Type: Full-time
Location: Hybrid/ Remote
Job Summary
We are looking for a skilled CAD/CAM Developer to design, develop, customize, and optimize CAD-related software applications and plugins. The ideal candidate should have strong programming experience in C++, C#, and/or Python, along with hands-on experience in CAD APIs, 2D/3D geometry, computational geometry, mathematical modeling, and algorithm development.
The candidate will work closely with engineering and product teams to develop high-performance CAD solutions, automate design workflows, process 3D geometry and point-cloud data, and improve the accuracy and efficiency of engineering applications.
Key Responsibilities
- Develop and maintain CAD/CAM software applications, plugins, and automation tools.
- Develop solutions using C++, C#, Python OR .NET.
- Work with CAD APIs such as AutoCAD API, Revit API, or equivalent CAD SDKs.
- Develop algorithms for 2D/3D geometry processing and geometric modeling.
- Design and optimize computational geometry algorithms for complex engineering problems.
- Work with 3D models, point-cloud data, mesh data, and spatial information.
- Implement geometric operations including alignment, rotation, transformation, measurement, and shape/geometry extraction.
- Develop tools for CAD model validation, quality checking, and automated workflows.
- Optimize algorithms for performance, accuracy, and scalability.
- Integrate software components and third-party SDKs into CAD applications.
- Participate in code reviews, debugging, testing, and technical documentation.
- Collaborate with cross-functional teams including engineering, product, and technical teams.
- Follow Agile development practices and maintain source code using Git/SVN.
Required Skills
Programming
- C++
- C#
- Python
- .NET Framework / .NET Core
- Object-Oriented Programming
- Data Structures & Algorithms
CAD / Geometry
- CAD/CAM Software Development
- AutoCAD / Revit / Autodesk platforms
- CAD API / SDK development
- 2D/3D Geometry
- Computational Geometry
- Geometric Modeling
- Spatial Computing
- Mathematical Modeling
- Algorithm Development & Optimization
3D / Point Cloud – Preferred
- Point Cloud Processing
- 3D Reconstruction
- Mesh Processing
- Voxelization
- PCL / Open3D
- LAS / LAZ / E57 / PLY formats
- Coordinate Transformation

About J&F
About
At J&F, we are a globally established engineering consultancy with over 500 engineers and detailers across five countries, delivering high-quality engineering solutions for buildings and infrastructure projects. We specialize in BIM-enabled Structural and MEP engineering, combining deep technical expertise with digital innovation to help clients execute complex projects efficiently, accurately, and at scale.
Through our two core business lines—Virtual Technical Office and End-to-End Engineering Solutions—we provide tailored engineering support as well as fully integrated project planning and supervision. By partnering closely with our clients, we deliver sustainable, cost-effective, and technology-driven solutions across a wide range of sectors, ensuring engineering excellence throughout every stage of the project lifecycle.
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Job Title: CAD Design Engineer, Mechanical & Code-First Reverse Engineering
Location: Gurugram | Bengaluru| Hyderabad | Pune (On-site)
Type: Full-Time
Experience: 5+ years
About the Role
We are seeking an experienced CAD professional with strong expertise in 3D modelling, part and assembly design, and technical drafting. In this role, you will create and refine high-quality CAD models and engineering drawings, develop robust design workflows, and collaborate with engineering teams to deliver accurate, manufacturable, and production-ready designs.
What You'll Do
● Create and review data grounded in real CAD and mechanical design practice, parts, assemblies, drawings, and the reasoning behind them.
● Reverse-engineer geometry: take an STL/mesh with no feature history and reconstruct the design intent as parametric, code-first CAD (build123d), inferring sketches, features, datums, patterns, and key dimensional relationships.
● Evaluate AI-generated design solutions, 3D models, feature trees, mating strategies, drawings, and pin down failure cases, edge cases, and quality gaps.
● Decompose complex modelling and verification tasks into structured, step-by-step workflows the model can learn from and be measured against.
Domain Responsibilities
● Build and assess parametric models, assemblies, and detailed 2D drawings across machined, sheet-metal, cast/moulded, and weldment parts.
● Judge design intent, constraints, and robustness, modelling approach. ● Apply and check GD&T, tolerancing, and design-for-manufacturing across the full product design lifecycle (concept → detailing → design review → handoff).
● Validate code-first reconstructions against source geometry via deviation and dimensional-accuracy checks.
Requirements
Must Have
● B.E./B.Tech/M.Tech/Ph.D in Mechanical Engineering (or closely related) from a Tier 1/Tier 2 institute (IIT, NIT, BITS, IIIT, DTU/NSUT, or equivalent).
● 5+ years of hands-on CAD/mechanical design with breadth across multiple platforms (Autodesk Fusion, SolidWorks, Creo, NX, CATIA, or Inventor), multiple part types, and the full design workflow.
● Strong command of parametric modelling, assembly design, engineering drawings, GD&T, and DFM.
● Working Python ability and genuine comfort with code-first CAD (build123d / CadQuery), or a clear track record of picking up scripting fast.
Good to Have
● Mesh processing (trimesh, Open3D, numpy-stl) and familiarity with OpenCascade/OCCT.
● Exposure to adjacent disciplines, surfacing, simulation-driven design, generative/topology optimization, or CAM handoff.
● PLM/PDM and configuration management.

About Client Company
Client is building autonomous ships and submarines that operate in the world's most hostile environments. We're executing India's flagship autonomous submarine project the Jalkapi XLAUV on order from the Indian Navy. This is an unmanned submarine weighing over 20 tons that can travel 5,000+ kilometers autonomously and operate in the ocean for 30+ days at a time.
We're creating some of the largest autonomous robots in the world, machines with direct impact on the global economy and national security. While autonomous cars in India may still be a dream, autonomous ships and submarines are already a reality, and it is possible to build for the world from India.
Job Title: Design Engineer
Location: Bangalore | Full-Time |
Experience: 4-10 Years
The Role
We are seeking a skilled CAD Designer with 4-10 years of experience to join our team. The ideal candidate will have a strong background in using NX CAD or other 3D CAD tools to create detailed and precise designs.
Key Responsibilities
Design and Modeling
- Create detailed 2D and 3D CAD designs of components and systems using tools such as NX CAD- preferred or Solidworks,AutoCAD, or CATIA.
- Develop and refine engineering drawings for manufacturing and assembly.
- Ensure designs meet technical specifications, functional requirements, and industry standards.
Prototyping and Testing
- Will be a part of R&D team to develop and test prototypes.
- Perform feasibility studies and stress analyses using simulation tools (e.g., ANSYS).
- Identify and address design issues during testing and validation phases.
Process Optimization
- Work closely with manufacturing teams to ensure designs are optimized for production.
- Implement Design for Manufacturing (DFM) and Design for Assembly (DFA) principles in projects.
- Continuously improve existing designs to enhance performance and cost efficiency.
Collaboration and Documentation
- Collaborate with multidisciplinary teams, including mechanical, electrical, and software engineers.
- Prepare technical documentation, including engineering reports, specifications, and design records.
- Support project planning and provide inputs for timelines and resource requirements.
Required Qualifications
- Bachelors or Masters degree in Mechanical Engineering, Industrial Design, or a related field.
- 4-10 years of experience in mechanical design or engineering, preferably in R&D focused industries working on electro-mechanical/robotic systems.
- Proven experience in designing components and systems for complex projects.
- Proficiency in NX CAD software and PLM.
- Familiarity with simulation tools like ANSYS or Abaqus.
- Strong knowledge of materials, manufacturing processes, and prototyping techniques.
- Experience in DFM, DFA, and DFMEA principles.
- Excellent problem-solving and analytical skills.
- Strong attention to detail and commitment to quality.
- Ability to manage multiple priorities and meet tight deadlines.
Why Join Rekise Marine
- Technical Excellence: Work on engineering challenges at the intersection of mechanical design, autonomous systems, and extreme environment engineering. Design pressure vessels operating at 300-meter depths and solve problems that few engineers in India have tackled.
- Mission Impact: Your work will directly strengthen India's underwater defense capabilities. The Jalkapi XLAUV isn't just a product,it's a strategic asset that will serve the Indian Navy for decades.
- Startup Velocity, Defense Rigor: Experience the best of both worlds,we move fast and empower team members to make decisions while maintaining the engineering discipline required for defense applications.
- Competitive Compensation: Market-leading salary, health insurance and benefits.
- Innovative Environment: Flexible, collaborative culture that values initiative and creative problem-solving over hierarchy. Access to cutting-edge design tools and software licenses.
Qualifications & Requirements:
- 4+ years of experience in C++ application development.
- Hands-on experience with C++11 or above.
- Strong knowledge of object-oriented programming and software design.
- Deep understanding of STL, multi-threading, socket programming, and data structures.
- Solid grasp of Linux development and debugging techniques.
- Proficient in using GCC, GDB, and Makefile.
- Familiarity with Valgrind and similar analysis tools.
- Experience with version control tools like Git.
- Experience writing and maintaining automated tests.
- Experience in capital markets/trading domain is a plus.
Skills:
- Strong problem-solving and analytical thinking.
- Clear and effective communication.
- Self-driven with the ability to work independently.
- Passionate about high-quality software and strong engineering practices.
- Comfortable working in a fast-paced, collaborative environment.





