株式会社enechainのTech_Senior Backend Engineerの求人

Seeking a seasoned Backend Engineer who can architect scalable, high-performance systems for Japan's energy infrastructure while managing complex domain challenges and contributing to technical leadership across a growing organization.

Company Overview

Since our founding in 2019, we have provided a marketplace for energy providers and have grown to become Japan's largest online trading market, including major power companies. Our GTV (Gross Transaction Value) is approaching 3 trillion yen, and we aim to realize a 100 trillion yen market in annual transaction volume in the future.
In 2024, we raised 6 billion yen in Series B funding from domestic and international institutional investors including DCM Ventures and Solos Capital Management, financial institutions, and 9 energy trading businesses including power, gas, and trading companies, and are actively investing in our development team.

Products

1/ eSquare: Trading Platform
Japan's first full-scale trading platform that allows online buying and selling of energy.
2/ eCompass: Market Data Platform
A data platform that provides all energy-related data and market information necessary for power trading, such as power prices and fuel price market data.
3/ eScan: Market Risk Management Tool
An ETRM (Energy Trading Risk Management System) specialized for Japanese electricity that visualizes business risk amounts from transaction status and market data.
4/ JCEX: Environmental Commodities Exchange
A marketplace where domestic environmental commodities and overseas voluntary credits can be bought and sold online, supporting climate change mitigation and the realization of carbon neutrality in Japan.

Backend Challenges

• Domain-driven design and architecture design in anticipation of system scaling
• High-level security, availability, and performance for building systems close to national infrastructure
• Understanding complex energy domains while communicating with domain experts
• Developing a management and people development system for a tech organization of over 50 people

Job Responsibilities

• Design and implementation in microservice development
  • API development using Go, gRPC
  • Domain design and code design based on DDD
  • DB design, load estimation
• BFF development using GraphQL / Connect, etc.
• Infrastructure construction using GKE/Terraform
• Implementation of connections with various external systems
• Standardization of modules used across departments
• Participation in and proposals for company-wide technical policy discussions

AI tools

・NotionAI
・OpenAI
・Claude
・Gemini
・NotebookLM
・CURSOR
・Devin

• Resonates with enechain's mission "Building Energy Markets, Coloring Our Society" and can collaborate with a purpose-driven mindset
• Can focus on delivering significant results as a team
• Can set priorities with the aim of maximizing business impact
• Can take ownership and proactively complete projects from start to finish
• Can accept different opinions, is not afraid to express different views, and can discuss logically

• Japanese : Business Level
• Backend development experience of 5+ years
• Service operation experience (incident response, monitoring, etc.)

• GCP/GKE usage experience
• Experience implementing authentication/authorization processes (implementation of user login and permission design)
• Experience developing with DDD, TDD, and Clean Architecture
• Experience using Auth0 and Terraform