Sales Business Development Manager

Freelance Opportunity: Sales & Business Development Manager (Japan)Engagement: Freelance (Approx. 40–80 hours per month)Compensation: Hourly rate negotiable & paid at a highly competitive levelStructure: Work conducted based on clear and well-defined work packagesLocation: Japan (Remote / Home Office or Tokyo-based)Industry: Energy Infrastructure Software / Smart Grid / UtilitiesCompany: QuantumV on behalf of Greengate GmbH (Germany)About GreengateGreengate is a leading German provider of asset management and maintenance planning software for energy suppliers, municipal utilities, and industrial clients. Their platform drives digital transformation in the energy sector, enabling smarter, more efficient, and more sustainable infrastructure.To support Greengate’s expansion into Japan, we are seeking a freelance Sales & Business Development professional with strong knowledge of the energy and infrastructure sectors.About QuantumVQuantumV is a Japan-based consultancy that connects innovative European technology solutions with Japanese industry. As Greengate’s partner in Japan, QuantumV is responsible for market entry, localized sales support, customer insight development, and building long-term strategic partnerships.You will collaborate closely with both QuantumV in Japan and Greengate’s HQ in Germany.Your MissionAs a freelance Sales & Business Development Manager, you will introduce Greengate’s software solutions to the Japanese market, build and maintain customer relationships, and manage the end-to-end sales cycle.You will also act as a trusted advisor, helping clients understand how Greengate’s technology supports their digital transformation goals. Key Responsibilities• Identify, approach, and acquire new customers (utilities, grid operators, municipalities, industrial companies) • Represent Greengate at industry events, trade fairs, and meetings • Understand customer needs and prepare tailored solution proposals • Manage the full sales cycle — from lead generation to closing • Serve as a bridge between Japanese customers and Greengate’s technical teams in Germany • Support product localization (language/cultural adaptation) in collaboration with HQ • Contribute to building long-term partnerships and channel strategies across JapanYour Profile• Proven B2B sales track record, ideally in energy, infrastructure, software, or industrial technology• Japanese: native or fluent; English or German: business level• Strong network in the Japanese utility or infrastructure sectors is a major plus• Entrepreneurial mindset; able to work independently and build a market from zero• Strong interest in digital transformation & sustainability• Willingness to travel domestically as neededWhat We Offer• Opportunity to introduce cutting-edge German technology to the Japanese market• High level of autonomy and responsibility (freelance flexibility)• Remote-friendly working environment• Highly competitive hourly rate (negotiable)• Clear and structured work packages each month (40–80h)• Performance-based incentives and sales bonuses• Direct support from QuantumV management and Greengate HQApplicationInterested freelancers can send their CV and a short introduction to: 📧 sales@quantumvglobal.comLet’s shape the future of Japan’s energy infrastructure — together.