Tech_Senior Backend Engineer (Markets / Trading)

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 deliver resilient electronic trading services with strong reliability, low-latency performance, and a bias for automation on cloud-native infrastructure
• Develop and operate core platform components including the primary exchange services, clearing workflows, external and internal APIs, connectivity solutions, and developer tooling
• Build data pipelines and services to ingest, catalog, analyze, transform, and publish market and trading data with auditability and governance
• Architect for reliability and performance by default, leveraging automation for provisioning, deployment, and operations
• Conduct thoughtful code reviews, share best practices, and mentor less experienced engineers to elevate engineering quality

AI tools

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

必須スキル

• 4+ years professional engineering experience
• 1+ years experience in electronic trading with market facing role
• Familiarity with algorithmic trading principles and execution strategies
• Strong programming skills in languages such as Go, TypeScript, Java

歓迎スキル

• GCP/GKE usage experience
• Experience in vibe coding using multiple AI agents.

求める人物像

• 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
• Willingness to acquire necessary domain knowledge by diving deep into the Japan energy market domain

給与

• Annual salary 13,000,000 yen ~
• Stock options

勤務地

Tokyo Office / Minamiaoyama 3-11-13, Shin-Aoyama Tokyu Building, 7th Floor, Minato-ku

※ Remote work is possible, and there is no set number of days required to come into the office.

雇用形態

Full-time employee

勤務時間

＜Work Format＞
Full flex-time system (no core time / standard work hours of 8 hours per day)

＜Holidays & Time Off＞
Weekends and public holidays, 10 days annual paid leave according to Japan's Labor Standards, additional 5 consecutive "yohaku" (refreshment) days off, 5 sick leaves, etc.

試用期間

3 months (same conditions as full employment)

福利厚生

• ・Full social insurance coverage (health insurance, employees' pension insurance, workers' accident compensation insurance, employment insurance)
• ・Transportation allowance (up to 50,000 yen/month)
• ・Full company coverage for books
• ・Remote work subsidy
• ・Company housing system
• ・Life event support system (maternity/childcare leave support payment, marriage/childbirth celebration payment, special marriage/childbirth leave)
• ・Skill improvement training subsidy system
• ・Annual company trip
• ・Office convenience store etc.

事業内容

日本最大のエネルギー取引マーケットプレイスを運営するスタートアップです。

"Building Energy Markets, Coloring Our Society" をミッションに掲げ、電力や燃料、環境価値など、あらゆるエネルギーの価値を公平に取引できるマーケットを提供することで、日本経済の発展とサステイナブルな社会の実現を目指しています。

Tokyo Office / Minamiaoyama 3-11-13, Shin-Aoyama Tokyu Building, 7th Floor, Minato-ku

※ Remote work is possible, and there is no set number of days required to come into the office.

Annual salary 13,000,000 yen ~
Stock options