What are the responsibilities and job description for the Backend Engineer (Python + Networking) - Englewood Cliffs, NJ - W2 - Only local to New Jersey position at Geopaq Logic?
Job Title: Backend Engineer (Python Networking)
Location: Englewood Cliffs, NJ
Duration: 1 Year of Contract
What we are looking for
Async Python & Network Programming (3 yrs) – Strong hands on experience with asyncio, aiohttp/anyio, low level TCP/UDP sockets, WebSocket & SSE servers, TLS handshake, connection pooling, keep alive, and zero copy buffering.
Streaming & Large Payload Handling – Ability to manage chunked transfer, bidirectional streaming, back pressure and high throughput data paths for real time LLM inference.
Protocol Knowledge – Working familiarity with HTTP/2 & HTTP/3 (multiplexing, HPACK), gRPC, and occasional custom protocol parsers.
FastAPI Based Backend (3 yrs) – Design, develop and test production grade REST/Streaming APIs; pragmatic use of Pydantic, dependency injection and OpenAPI docs.
Containerization & Kubernetes – Docker, AKS/EKS/GKE deployment experience; HPA/VPA scaling, rolling updates, and service mesh (e.g., Istio/Envoy) basics.
Async Messaging & Event Driven Design – Production use of Redis Streams, RabbitMQ or Kafka for decoupled task queues, retries and back off logic.
PostgreSQL & Vault – Advanced query tuning, partitioning, PgBouncer pooling, plus HashiCorp Vault (dynamic secrets, transit encryption) for key management.
Cloud Networking & Security – L4/L7 load balancing, TLS termination, reverse proxy (NGINX/Envoy), mTLS between services, and automated cert lifecycle (ACME/Let’s Encrypt).
IaC & CI/CD – Terraform modules for multi env infra, plus GitHub Actions/GitLab CI pipelines with container image scanning and canary/blue green deployments.
Work experience desired
Enterprise Security Gateways – Integration with CASB/DLP/WSS or similar edge security platforms; centralized logging & audit trails.
IAM & SSO – Configuring Azure AD/Entra ID, Okta, SAML 2.0 or OIDC SSO flows; managing Conditional Access & SCIM provisioning.
AI/LLM Pipelines – Building prompt engineering workflows, PII anonymisation, and monitoring Azure OpenAI (or comparable) usage, rate limits & cost.
API Gateway Operations – Custom webhook/REST integrations, circuit breaker patterns, rate limiting, auto retry and health checking.
Observability & FinOps – End to end monitoring with Datadog, PrometheGrafana or Azure Monitor; proactive cost optimisation and 24/7 incident response (SLA/SLO).