Our vision is to supply our customers with affordable premium green energy.
EnergyRoute Japan is a renewables focused energy trading and services company based in Marunouchi, Tokyo, and a subsidiary of Mitsubishi Corporation. Since 2019, we’ve grown to over 40 professionals from across the world and currently manage more than 1 GW of renewable generation and customer demand under contract.
We capture value across the renewable energy value chain—from generation, to trading, to end customers—by combining advanced trading strategies, technology and deep market expertise. Our solutions help mitigate the risks that impede clean energy investment and support our customers on their path to net zero.

EnergyRoute Japan is hiring a quantitative analyst in our front desk to build the models that drive trading and asset decisions in Japan’s power markets. You will own the forecasting, pricing and optimisation models used day to day by our trading team and see the direct impact of your work on financial results. You will also build and maintain the trading tools used by team members.
You will work directly with traders, asset operators and commercial teams, using advanced analytics, machine learning, statistical modelling and optimisation to improve trading performance across the assets we manage. This is a growing business and a high-ownership role: you will help shape how we build and run models in Japan. No prior energy market experience is required; comprehensive training will be provided. This role reports directly to the Trading Manager.

・ Develop forecasting and pricing models that support trading and asset optimisation decisions.
・ Build data-driven models to optimise the performance of our managed assets.
・ Create, develop and maintain the trading tools that support the trading activities.
・ Gather requirements from traders and operators, and proactively identify improvements that increase efficiency and automation while keeping the tools accurate and reliable.
・ Collaborate with traders and stakeholders to transform market insights into profitable trading strategies.
・ Understand and explain model outputs and trade-offs clearly to colleagues.

・ 3+ years in a quantitative or data science role, using Python and SQL for analysis, modelling and production code, delivering models with measurable business impact
・ Experience with statistical modelling, machine learning and time-series forecasting
・ Experience with mathematical optimisation (e.g. linear / mixed-integer programming using Pyomo, cvxpy, Gurobi or similar)
・ Familiarity with good software engineering practices: git, automated testing, and code review
・ Strong communication skills and the ability to work directly with traders
・ Business-level English; Japanese is a plus

・ Master's or PhD in a quantitative field (e.g. statistics, mathematics, physics, computer science, engineering)
・ Experience in energy, commodity or financial markets; knowledge of the Japanese power market (JEPX, EPRX, OCCTO)
・ Experience with optimisation under uncertainty (e.g. stochastic programming, model predictive control, reinforcement learning)
・ Experience managing data pipelines and deploying models to production, including cloud (e.g. AWS) and CI/CD

・ Flex-time system (core hours 11:00–15:00; standard daily working hours: 7 hours 15 minutes)
・ Five-day workweek with full two-day weekends (Saturday and Sunday off)
・ Office-based work is the standard arrangement, while Work-From-Home is permitted up to 2 days per week, subject to approval from the manager.　
・ Annual paid leave: 14 days in the first year (prorated based on month of joining), 16 days in the second year, 18 days in the third year, and 20 days from the fourth year onward.
・ Sick leave
・ Bereavement and congratulatory leave
・ Volunteer leave
・ Childcare and caregiving leave

EnergyRoute Japan is an equal opportunity employer. We aim to create value through diversity and inclusion. We seek to attract candidates to reflect the diverse nature of our society. Diversity and inclusion allow the EnergyRoute Japan team to be curious, creative, and promote positive change. We understand the many demands on all our employees, and we adopt flexible working arrangements where possible. Working at EnergyRoute Japan offers something special for everyone.