1
Career Lineexpress · 2017 → now
A
Work Lineprojects · local
G
Life LineKathmandu · daily
Fig. 01 · network diagram, not to scaleN
↑ Station index · alphabetical by line
1
Islington College · 2015 – 18
B.Sc. (Hons.) Computing, upper-first-class · awarded by London Metropolitan. Final-year: agricultural price prediction with a from-scratch neural network at 80%+.
Connects to: none · origin
EV-01
terminus
1
Featherwebs · 2017 – 19
Started as intern (co-built Gharbeti Baa, a React Native renting app). Promoted to full-stack engineer 2018 – 19. Code reviews, mentorship, intern supervision.
Connects to: none · local
EV-02
local
1G
Kathmandu · transfer
Career meets life. The largest interchange on the network. Trains every five minutes.
Connects to: 1, G · home station
major
interchange
1A
Ottr Technology · 2019 – 23
Full-stack engineer for 4 years. Node.js, React, React Native, Flutter. Shipped Yantra, E-Credit, the original Baccpacc backend, Anubooks, LendHub lending portals.
Connects to: Work · A · branch point
EV-09
express
17
Islington College · Lecturer · 2019 – 20
Assistant lecturer in OOP & Data Structures. Workshops on emerging tech. 100% pass rate; no student under 50%.
Connects to: 1, 7 · side branch
EV-12
side
1A
Ottr Technology · Products · 2025 – now
Built Ottr Omni-Ledger and Ottr Kiln; backend lead on Sincere Travels; rebuilt Baccpacc in Flutter + Go. Agency-wide CI/CD.
Connects to: Work · Omni-Ledger, Kiln, Sincere
EV-25
express
A
JFK Social
Decentralised social network on Nostr. Go API + WebSocket relay, Blossom media server (resumable uploads, HLS), law-enforcement portal, offline-first React + Tauri clients.
Connects to: Stack · Go, Cloud
EV-26
live
A
ACT3 AI Filmmaking
Screenplay → storyboard → render. Temporal.io job runner across 22 job types; Veo 3, Sora 2, Seedance, Blender; hybrid cloud + local GPU routing. Top contributor on the runner.
Connects to: Stack · TypeScript, Cloud
EV-24
local
A
Ottr Omni-Ledger
Branch-based commerce: e-commerce, retail + restaurant POS, mobile from one codebase. Append-only inventory ledger, 7 payment providers, Electron POS. 9 apps, 5 languages.
Connects to: Stack · Postgres, Go
EV-19
express
A
AI-WORKER
Rust daemon that takes a project from requirements to merged PRs. Gated SDLC, 11 agent roles, parallel git-worktree workers, constraint ledger, cost tracking. 41k lines.
Connects to: Stack · Go, Cloud
EV-17
local
A
Sincere Travels
Amadeus GDS over SOAP + NDC — search, pricing, PNR, e-ticketing, ConnectIPS payments. Rules engine for commissions, BullMQ ticket PDFs. Lead backend for three years.
Connects to: Career · Ottr
EV-14
local
A
Ottr Kiln
Multi-tenant headless CMS. One Postgres schema per tenant, schema + page builders, GraphQL + REST with a generated SDK, Yjs collaboration, 49 vertical templates.
Connects to: Stack · Postgres, TypeScript
EV-21
local
1
Whitehat Engineering · 2023 – now
Current station. Senior SWE. Architecture & end-to-end delivery across 40+ repos — AI/ML, commerce, fintech, travel, social, mobile.
Connects to: Work · all · day-job hub
EV-26
YOU ARE HERE
1
Open Q3 · 2026 · terminus
Next stop. Open to long-form collaboration, distributed systems work, AI tooling, and product engineering.
Now boarding · track 1
EV-27
next train
service notice
About the conductor.
Erin Rai has been running on this network since 2017 — first as an intern, now Senior SWE, nine years in — with no significant delays. He drives software that ships and stays: 40+ repos across AI/ML, commerce, fintech, travel, social and mobile.
He owns architecture end-to-end at Ottr Technology and leads product engineering at Ottr Technology (four years full-stack there before that), plus a side line as Assistant Lecturer at Islington College. Current line: Career · 1. Next station: open · Q3.
BaseKathmandu, NP · UTC+5:45StackTS · Go · Rust · Dart · Python · PostgresAIClaude · OpenAI · Veo 3 · Gemini · +16LanguagesEN · HI · NE (native)
Fare · single ride
a good
brief.
Valid: indefinitely · Class: open