RadarPulse eliminates the distance bottleneck. Ultra-precise geofence matching for social, romance, and hyperlocal commerce — happening right now, in your building.
From broadcast to connection in under 30 seconds. Your exact coordinates are never exposed — only your intent, fuzzed to a geofence ring.
Select a track — Social, Romance, or Commerce. Define your intent with a structured payload. Your fuzzed geohash is published to the DynamoDB stream.
Amazon Location Service geofences your radius (50m–500m). DynamoDB begins_with queries scan the same precision prefix for sub-200ms matches.
Matched users exchange ephemeral handles via AppSync mutations. Real identity only unlocks after mutual confirmation. Zero PII before consent.
GraphQL subscriptions push real-time state. Bedrock AgentCore orchestrates context across turns. Chat, schedule, transact — all in-app.
Every broadcast is tagged to exactly one intent track. Architecture-level compartmentalization ensures a vacuum rental never leaks into a dating feed. Ever.
Spontaneous games, events, and local adventures. Find cricket teammates next weekend or someone to watch the match with tonight.
Proximity-first dating and immediate connections. For people who believe the best matches are ones who could meet for coffee in 15 minutes.
Peer-to-peer micro-rentals from neighbours. Why own everything when your building has it? Borrow, lend, trade within 500m.
Every layer of the stack is purpose-built for geospatial matching at scale. No compromises between precision, privacy, and speed.
Composite keys with geohash precision at sort key. begins_with(gh_precision_9) queries scan only the relevant ~4m² cell cluster, eliminating hot partitions.
Intent mutations trigger DynamoDB Streams → Lambda resolver → AppSync push. Matched users receive live presence updates without polling.
Raw GPS never stored. Amazon Location converts coordinates to geofence membership. Lambda applies ±50m Gaussian noise before indexing.
Stateful conversation context across intent negotiation turns. Agents moderate listings, extract structured intent from natural language, and enforce track isolation at inference time.
Proximity platforms carry real risks. We've engineered safeguards at every layer — from location fuzzing to anti-stalking circuit breakers.
Raw GPS coordinates are never exposed. Gaussian noise (σ=30m) applied before geohash encoding. Users see "within 200m" — never a pin on a map.
Pre-confirmation identities are randomised callsigns (e.g. "COBRA-4482"). Real profiles unlock only after explicit bilateral confirmation from both parties.
Lambda monitors proximity co-occurrence frequency. If user A appears in user B's radar more than 3× in 4 hours without match, automatic ghost mode is applied and a safety alert is triggered.
Instant block severs all DynamoDB index visibility and AppSync subscriptions. Reports queue to Bedrock-powered moderation. Verified violations: permanent ban within 90 seconds.
Intent tracks use separate DynamoDB partition key namespaces and IAM-scoped Lambda roles. No single query path can return results across track boundaries.
All intent broadcasts auto-expire after 30 minutes via DynamoDB TTL. Users must actively re-broadcast. No passive indefinite exposure.
"The best person for what you need right now is probably already in your building. We just help you find them."
radar-pulse.online · Proximity is everything
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