Deep Time Machine
Shipped the deep-time toy, which now composes each geological scene in the browser from a fixed bank of real facts, keyless and never inventing one
Software engineer · AI-assisted development · Halifax, Canada
Pesanth JanasethRangaswamy Anitha
Financial applications, cloud delivery pipelines, and REST APIs, with AI in the development loop
Open to software engineering roles in Canada
Full-Stack & Backend Engineer
Recently shipped
Batch Warehouse
Loaded the modelled job-posting warehouse into PostgreSQL, with two full loads leaving identical counts and no orphan keys, proving the write idempotent on the real corpus
Supply Chain Gates
Ported the security gates to a GitLab pipeline on a self-hosted runner, so a merge now runs the same secret, dependency, container, and configuration scans a second time on hardware that costs nothing
Cube Store
Restored Stripe test checkout after rotating the exposed key and clearing it from Git history
Daily Digest
Published the research digest, where a summary reaches the page only after its quote and every figure in it are found in the paper
Sentinel
Published the telemetry platform, with two hosts streaming into Kafka and a day-partitioned HDFS archive behind the live dashboard
Car Sale Application
Took the marketplace live with the purchase flow corrected, so a sale debits the buyer, pays the seller, and transfers the vehicle in one transaction
Projects
Full-stack apps, data and ML systems
Collectors2 hosts · 10sKafka3 topicsHDFSday partitionsDashboardlive archive
Sentinel
Collects readings from two machines every ten seconds, streams them through Kafka, and archives them in day-partitioned HDFS storage that a public dashboard reads back.
SourcesarXiv · HN · ContraryPapersread in fullCheckquote · figuresPublishone page a day
Daily Digest
Assembles one reading page a day from three sources: the day's new AI papers on arXiv, Hacker News, and Contrary Research deep dives. Papers are read in full and summarized; the other two are selected with a one-line reason each, on their own tabs.
Car Sale Application
A peer-to-peer marketplace where users can create accounts, list vehicles, buy from other users, and manage their inventory.
Cube Store
A responsive storefront for browsing, filtering, wishlisting, and purchasing a collection of AI-generated artisan cubes.
Archive17,813 readingsWindows5 min · 26 featuresHeld-out211 windowsScorescore + threshold
Anomaly Detection
An unsupervised detector over Sentinel's telemetry, scored on held-out data against a three-sigma rule and two trivial detectors kept in the table to keep the result honest.
Drawweighted intervalFactsinterval's bankComposein the browserScenegrounded · unique
Deep Time Machine
Drops you on a weighted-random moment across Earth's 4.54 billion years and writes a short second-person scene for it, over a proportional geological timeline.
Landimmutable · by ingest dateTransformSpark · conformModel2 facts · 4 dimsLoadPostgreSQL · idempotent
Batch Warehouse
Lands a job-posting corpus immutably by ingest date, models it in Spark as a dimensional warehouse, and loads two facts and four dimensions into PostgreSQL with an idempotent write.
Pushno path filtersScan4 scans · 3 jobsGateexit 1 on HIGHMirrorGitLab · self-hosted
Supply Chain Gates
Four security scans wired into three repositories as CI gates that fail the build, mirrored from GitHub Actions onto a self-hosted GitLab runner.
Alertstack traceBM25 indextop runbooksClaudestructured outputTriagecause · fix commands
Incident Triage Assistant
Takes an alert or stack trace, retrieves the most relevant runbooks, and returns a structured triage: probable root cause, fix steps, and the exact commands to run.
Developer tools & automation
Smaller utilities and automation I built for my own workflow
