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
enechain, which since 2019 has provided an online marketplace for energy businesses and grown into Japan's largest trading market (95% market share among participating corporates; GTV approaching 3 trillion yen), is hiring a Backend Engineer. Products include eSquare (an online energy-trading platform, a METI-licensed business), eCompass (market-data platform), eScan (energy trading risk management), and JCEX (an environmental-value/carbon-credit marketplace). Work: develop, maintain and operate enechain's marketplace/SaaS products, build features and launch new products, and (per experience) lead or support the product-development team. Tech stack: React/TypeScript frontend; Go/gRPC and NestJS/GraphQL backend; PostgreSQL; Python for data engineering; Flutter for mobile; GCP, GKE, Argo Workflows, BigQuery, Pub/Sub, Dataflow; Terraform; Datadog. The company raised 5.05 billion yen in a Series B extension and uses AI tools (OpenAI, Claude, Gemini, Cursor, Devin). Remote work is available (with onboarding onsite). Business-level Japanese is expected. Full-time, based in Tokyo (Minami-Aoyama).
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