Design and build scalable backend services for energy-market products using Go, gRPC, microservices, GraphQL, GKE and Terraform. Remote work is possible.
About this role
Security Engineer at enechain, which runs Japan's largest energy-trading marketplace (since 2019; ~95% market share by participating corporations; GTV approaching JPY 3tn, targeting a JPY 100tn market; raised JPY 5.05bn in a Series B extension in January 2026, investing in global-standard features, security and AI). Products: eSquare (trading platform), eCompass (market-data platform), eScan (Energy Trading Risk Management), JCEX (environmental-value marketplace). Own security engineering for a national-infrastructure-scale energy marketplace. Minami-Aoyama, Minato-ku, Tokyo; remote available; full-time.
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