Seeking Senior Backend Engineer for Building Energy Markets, Coloring Our Society
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
- eSquare: Trading Platform – Japan's first full‑scale trading platform that allows online buying and selling of energy.
- 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.
- 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.
- 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
歓迎スキル (Preferred Skills)
- GCP/GKE usage experience.
- Experience in vibe coding using multiple AI agents.
求める人物像 (Desired Traits)
- 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.
応募概要 (Application Summary)
給与 (Salary)
- Annual salary 13,000,000 yen ~
- Stock options
勤務地 (Location)
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 (Employment Type)
Full‑time employee
勤務体系 (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 (Trial Period)
3 months (same conditions as full employment).
福利厚生 (Benefits)
- Full social insurance coverage (health insurance, employees' pension insurance, workers' accident compensation insurance, employment insurance).