Ruby on Rails / AWS
From building it to keeping it running.
We build web systems with Ruby on Rails, and design and run infrastructure on AWS. Our founder has kept services running as an infrastructure engineer since 2011, and looks at design, development and infrastructure as one connected piece.
Ways to work with us
- Contract development
- Per project, fixed-scope or time-and-materials. From design and development to operation after release.
- Technical advisory
- Monthly. We help with design decisions, code reviews and technology choices.
- One day a week
- We join your team as a developer, starting from one day a week.
You can talk to us before asking for a quote, even if you are not sure yet what needs to be decided.
- 2011–
- Working as an infrastructure engineer
- 700
- Servers, including VMs, in an EC site infrastructure we designed and built
- 2022
- negabaro Inc. founded in Shinjuku, Tokyo
What We Do
System Development
Robust backend development based on Ruby on Rails. We promise maintainable and scalable code.
FeatureWhy negabaro inc.
- 01
Agile Development
We build small working software quickly and grow the product together through feedback.
- 02
Tech & Proposal
We don't just implement; we propose solutions to maximize business value from a technical perspective.
- 03
Own Service Ops
We provide practical know-how gained from operating our own E-commerce business.
WorksCase Studies
Food Tech / EC
Food Tech EC
Healthcare / HR Tech
Medical Job Platform
Healthcare / FemTech
Pill Management App
Healthcare / BabyTech
Baby Night Cry App
Sports / Web System
Sports Directory System
Frontend / DX
Frontend Modernization
Healthcare / PetTech
Pet Health Consultation
DevOps / Infrastructure
Testing & Infra Platform
Data / Backend
Movie Review Site Crawl Engine
DevOps / Infrastructure
DevOps Infrastructure
Data / Search
Data Analytics & Search
Cloud / DevOps
Cloud Migration & DevOps
EC / Operations
EC System & Operations
Tech Stack
Core Technologies
- Ruby on Rails
- A framework for rapid web application development. Easy to scale and maintain.
- AWS
- The world's most widely used cloud infrastructure for scalable and reliable systems.
- Docker
- Container technology for consistent environments and smooth deployments.
- Terraform
- An Infrastructure as Code tool for building reproducible and version-controlled environments.
- Hotwire
- A Rails-native frontend technology that delivers SPA-like UX with simplicity.
Fields of Expertise
- Web Services
- SaaS
- MVP Development
- CMS
- DX Support
ContactGet in Touch
Feel free to contact us for work consultations or questions.