AI Engineer / Data Scientist
Turn veterans' tacit knowledge into AI models, and ship them into products that run in the field — the Oroshi-Kanban core system, HRobo, Yomitoru-kun and more.
¥6,000,000 – ¥12,000,000⟶
│ Engineering ─ Full-time
Backend Engineer (Go/Python)
Backend Engineer
Design and build the backbone of the Oroshi-Kanban core system and our SaaS products, supporting the infrastructure that keeps our customers' operations running.
- SALARY
- ¥550万 ─ ¥1100万(negotiable based on experience)
- EMPLOYMENT
- Full-time ／ Full remote OK ／ Flextime
─ Engineering ／ Full-time
Backend Engineer
§I ─ CONTEXT
Why this position exists
Our backend covers business-critical territory — from ordering, inventory, logistics and billing in wholesale, to the document flows of AI-OCR, to the foundation of talent management. It demands both startup speed and the robustness enterprises require.
─ RELATED SERVICES / PRODUCTS
Core system for wholesalersYomitoru-kunKakikomu-kunShiftly
§II ─ SCOPE
What you'll own
- 01
Design, implement and maintain APIs for the wholesale core system and each SaaS product (Go or Python)
- 02
Data modeling and performance improvement centered on PostgreSQL
- 03
Build infrastructure on GCP / AWS (Cloud Run / ECS / Lambda, etc.) and set up CI/CD
- 04
API integration with external systems (POS / accounting / EDI / WMS, etc.)
- 05
Incident detection, performance monitoring, and SLO design
§III ─ SKILL SET
Skills we're looking for
─ MUST
- 01REST / GraphQL API development in Go or Python (3+ years as a guide)
- 02Experience designing and tuning PostgreSQL
- 03Operations experience on AWS or GCP (VPC, IAM, containers, CI/CD)
- 04Modern development flow such as Git / GitHub Actions / GitHub Flow
- 05Foundational understanding of domain-driven design and design patterns
─ NICE TO HAVE
- 01Experience developing business systems (ERP / logistics / accounting, etc.)
- 02IaC with Kubernetes / Terraform / Pulumi
- 03Operating event-driven systems / message queues (Pub/Sub, Kafka)
- 04SRE / observability (OpenTelemetry / Datadog, etc.)
§IV ─ APTITUDE
Aptitudes we value
Beyond skills, the aptitudes we care most about — the ones that fit IPLoT's culture.
- 01
Won't settle for "it works" — uncompromising about design quality and operability
- 02
Doesn't ship and forget; makes decisions with the view three years into operation
- 03
Imagination for the people in the field, and the conversational skill to talk directly with practitioners
- 04
Treats code review as "mutual training of intellect"
§∞ ─ ENTRY
Let's start with a
casualconversation.
We welcome casual chats before you ever apply. Get a clearer picture of the career and the work, then decide.
§V ─ OTHER POSITIONS