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Freelance​/Work From Home - Mechanical Design Engineer

Remote / Online - Candidates ideally in
San Francisco, San Francisco County, California, 94199, USA
Listing for: Ss Ventures
Contract, Remote/Work from Home position
Listed on 2026-09-25
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists, CAD/ AutoCAD/ Mechanical Design
Job Description & How to Apply Below

Job Description Freelance Mechanical Design Engineer Mechanical Design Engineer – Freelance / Project Basis Role Overview

We are looking for an experienced Mechanical Design Engineer for freelance, project-based assignments
. The selected candidate will be responsible for independently handling mechanical design projects remotely and delivering complete, accurate, and fabrication-ready designs within the agreed project timeline.

Key Responsibilities
  • Develop and finalize mechanical designs as per project requirements.
  • Prepare Sheet Metal designs, 2D drawings, 3D models
    , and related engineering documentation.
  • Design mechanical components, assemblies, and enclosures using sheet metal thicknesses ranging from 0.5 mm to 2 mm
    .
  • Understand project requirements and provide practical and cost-effective design solutions
    .
  • Make design modifications based on technical feedback and approvals.
  • Ensure designs meet required specifications, dimensions, tolerances, fabrication requirements, and quality standards
    .
  • Prepare final design/drawing files required for manufacturing and fabrication.
  • Independently manage assigned projects and meet agreed deadlines.
  • Coordinate remotely with the concerned technical team throughout the project.
  • Complete and submit the project for final approval within the agreed timeline.
Required Experience & Skills
  • Relevant experience in Mechanical Design
    , particularly Sheet Metal Design
    .
  • Hands-on experience in designing Sheet Metal components, assemblies, and enclosures
    .
  • Experience working with sheet metal thicknesses of 0.5 mm to 2 mm
    .
  • Good understanding of mechanical drawings, dimensions, tolerances, fabrication processes, and engineering standards
    .
  • Proficiency in relevant mechanical design/CAD software
    .
  • Ability to understand requirements and independently execute projects from concept/design modification to final approval.
  • Experience in Lithium-Ion Battery, Inverter, UPS, Energy Storage System (ESS/BESS) or related projects will be an added advantage
    .
  • Strong attention to detail and ability to deliver accurate designs within defined timelines
    .
Freelance Remuneration – Project Basis
  • 10,000 – 50,000 per project
    , depending on the size, complexity, scope, deliverables, and timeline of the project.
  • The final remuneration will be mutually agreed upon before commencement of each project.
  • Payment will be divided into 5 stages/milestones based on project progress and approvals.
  • Each payment milestone will be linked to the mutually agreed project deliverables
    .
  • The final/last payment will be released after completion and final approval of the design
    .
  • Payment will be made as per the mutually agreed project milestones and timelines
    .
Work Arrangement
  • 100% Work From Home
  • Freelance / Project-Based engagement
  • Projects will be assigned based on business requirements and the candidate's expertise
    .
  • The candidate may work on individual projects as per the agreed scope, deliverables, timeline, and remuneration
    .
  • Suitable for professionals looking for flexible, project-based freelance opportunities
    .
About Spinoff Technopark Limited

Spinoff Technopark Limited is engaged in the development and manufacturing of Lithium-Ion Batteries, Inverters, UPS, Solar Energy Solutions, Battery Packs, ESS/BESS
, and related energy products.

Website:
Lithium Business:

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