TR-55 Inc. is looking for product development members to help us
provide the best collaborative experience for any team. Our mission
is to provide the best collaboration experience and support your
team's activities.
We have worked on large-scale waterfall projects, and on startups
and new business launches that ran from scratch in an agile way -
some of them our own, some of them alongside our clients' teams.
We have run those projects on every kind of tool you would expect -
spreadsheets and schedulers, issue trackers, databases, wikis,
whiteboards. Most of them are good at what they set out to do, and
we still use many of them. But each one covered its own part of the
work, and the parts never quite met. What mattered kept falling into
the gaps between them, and that is the part that never reached the
work site.
Through launching our own business as well as being involved in
other people's projects, we started to build a product that
redefines collaboration based on what we actually experienced.
Meanwhile, new products keep appearing in this field, driven by open
source and other technical change. The direction of those products
is different from what we have in mind, which is why we are pushing
this business forward. We are looking for people who want to take on
that challenge with us, in a technology and market area that is very
much alive.
OPEN ROLE
Senior Software Engineer
Nproc is a collaborative canvas. Documents, tables, and issues sit
on it as windows you can place and open, so a team can keep its
work in one shared space instead of scattered across tools.
It is not a design tool, and the canvas is not a blank sheet to
draw on - it is a place to arrange work. Pen, laser, and arrows
are there, but as annotation on top of the work rather than as the
point of it. We built the drawing-first version once, on an
off-the-shelf canvas engine, and threw it away. What replaced it
is closer to a window system than to a whiteboard.
Nproc has gone through repeated architecture validation to balance
UX, performance, and cost, and it leans heavily on CRDT for
real-time editing - Yjs is not a sync transport bolted on the
side, it is the state layer itself. Production infrastructure is
deployed; we have not gone GA yet.
The product is expected to be released overseas, and we are
building the architecture and the team with global deployment in
mind. We are looking for people who are willing to take on
technical problems that are hard to implement, and who will launch
a global SaaS product originating from Japan with us.
What you will do
-
Design and implement the front-end and server-side
architecture of a web application that many people edit
together in real time
-
Design and implement user authentication, permission
management, and subscription billing
- Evaluate performance and monitor the product in production
Qualifications
-
Skilled experience developing web applications with Next.js /
React / Node
- Skilled experience developing backends with GraphQL
-
Skilled experience with Cloudflare® design, build, and
operation
- Strong knowledge of DevOps and CI/CD pipelines
-
Demonstrated ability to adapt to new technologies and learn
quickly
Preferred qualifications
- Open source committer or contributor experience
- Hands-on experience developing high-traffic products
-
Experience implementing products using CRDT, especially Yjs
- Experience leading an engineering team
- English communication skills
Tech stack
TypeScript monorepo - zero servers, fully edge
-
Platform: Cloudflare Workers®, Durable Objects™, D1, R2, KV
- App: Next.js, Tailwind, GraphQL, Hono, Yjs, MCP
- Mobile: React Native
This suits you if
-
You like understanding a problem deeply and working out how to
solve it, and you like talking that thinking through with
other people to reach a better answer than you started with
-
You like developing in an agile way, where the direction and
the backlog of the product can change significantly
-
The way we think about the product makes sense to you - what a
canvas is for, and what we were willing to throw away to get
there
