XTEN-AV - Technical Lead/Solution Architect - Full Stack Development

Job Description

Description : : Noida (EST overlap 3-4 hours). Team : Platform Engineering Safety & Type : Summary : Lead a small squad (2 senior full-stack engineers with shared DevOps/QA) to deliver a cloud-first, private-site safety/presence MVP in ~3 months and evolve it to a production ready system in ~67 months. Responsibilities Own architecture, security, and delivery for a real-time eventing & notifications platform (web push/SMS/email) fed by gateways and is learn-on-the-job expectation, to reach hands-on proficiency within 23 Functions (Role Responsibilities) : Architecture & Delivery Ownership : Define and deliver the end-to-end pipeline (gateway ? ingest ? normalize ? zone logic ? multi-channel notifications ? audit) with SLIs/SLOs. Cloud-First Private LNS : Stand up and operate a private Network Server (e., AWS IoT core, Things Stack, ChirpStack or another service on VMs/k8s) in the VPC; prefer Basics Station (TLS), support Semtech UDP. Data & API Contracts : Author OpenAPI specs, versioning strategy, and backward-compatible interfaces for a responsive webapp and/or PWA and partner systems. Security & Compliance : Enforce TLS, KMS-backed secrets, HMAC-signed webhooks, VAPID keys for web push, PII minimization, access controls. Productization Path : Plan and sequence accounts/RBAC, tenant/site model, licensing/entitlements, upgrades/rollback, diagnostics, and supportability. Team Leadership : Coach two senior full-stack ICs; collaborate tightly with in-house DevOps & QA; drive outcomes with crisp ADRs/runbooks. GenAI-Augmented Delivery : Use GenAI for scaffolding code/tests/docs and KT summaries; maintain review gates and quality Tasks (Day-to-Day) : Stand up cloud LNS; create gateway onboarding templates (URIs, certs/keys), cellular fallback, buffering, and monitoring checklists. Implement ingest services (MQTT/webhook) with idempotency, retries/backoff, correlation IDs, and structured logging. Define event envelopes (SOS/telemetry) and BLE-assisted zone logic (RSSI bucketing/smoothing; confidence scoring); validate via walk tests. Build/oversee notification orchestration (web push via Service Workers/VAPID, SMS via MSG91, email via SES/SendGrid) with delivery receipts and audits. Guide the PWA operator console : floor-plan overlay, live feed, ack/escalation, filters/search, and Reset Site tooling. Establish observability : dashboards for p95 SOS latency, join/uplink confirm rates, gateway online %, notification success. Create and maintain ADRs, runbooks, and installer/onboarding docs; lead readiness reviews for Demo ? Pilot ? GA. Conduct design/PR reviews; unblock engineers; manage risk register and cut scope when needed to hit dates. (Multi region system architecture design Qualifications & Experience : Required : Bachelors or Masters degree in Computer Science, Electrical/Computer Engineering, Information Systems, or equivalent practical experience. 7+ years building cloud or event-driven platforms (Node/TypeScript, Go, or C#) with Postgres (or similar), message/broker patterns, and production APIs (OpenAPI). Demonstrated experience building and operating SaaS products (production SLIs/SLOs, on-call/incident playbooks, release : Exposure to LoRaWAN (ChirpStack or The Things Stack, AWS IoT Core), Basics Station vs Semtech UDP, gateway onboarding at scale. Experience with web push (Service Workers/VAPID), SMS/email providers, BLE/beacon-driven zoning, and time-series stores Background in multi-tenant architecture, entitlements/licensing, and customer onboarding for B2B Competencies : Systems Design & Reliability : Idempotency, rate limiting, pagination, backoff, correlation/traceability, Security Mindset : Key/secrets management, TLS, HMAC, authN/Z, Delivery Leadership : Scope control, risk management, stakeholder communication, crisp documentation. Customer Empathy : Operator-first UX, fast incident triage, and measurable outcomes (latency, delivery success). Learning Agility : Ability to master LoRa fundamentals in a short period and translate them into robust & Technologies (nice-to-know; not all required day one) : ChirpStack Basics Station/UDP MQTT/Webhooks Node/TS or Go or C# Postgres/Timescale Redis/Queues React/TypeScript PWA Service Workers/VAPID MSG91/Twilio Amazon SES/SendGrid OpenAPI/Swagger Docker/k8s Grafana/Prometheus/OpenTelemetry KMS/Secrets Manager ADRs/Docs-as-Code GenAI copilots. (ref:hirist.tech)