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System Integration — End-to-end integration projects & APIs

Overview

System Integration at Nemeris IT — defensive-only, vendor-neutral
Nemeris IT — defensive-only & vendor-neutral system integration & API advisory.

We deliver API-first, event-driven integrations across ERP/CRM/e-commerce/analytics. Patterns include sync/async messaging, ETL/ELT, and webhooks/queues. Designs are auditable, secure (OAuth2/mTLS), and observable (tracing & SLAs).

  • Architecture: OpenAPI/AsyncAPI contracts, idempotency, retry & dead-letter queues.
  • iPaaS & Orchestration: n8n/Make, Logic Apps, serverless workers, schedulers.
  • Data: mapping & validation, schema registry, CDC, deduplication.
  • Security: OAuth2/OIDC, mTLS, secrets management, audit logs.

Policy: Advisory-only; no offensive activity. Implementation by client teams or certified partners under our governance.

Our Expertise

System Integration expertise — APIs, iPaaS, messaging, data pipelines
APIs & contracts, iPaaS/orchestration, messaging, data pipelines & observability.
  • 🔗 API Design & Governance — OpenAPI/AsyncAPI, versioning, linting, developer portals.
  • 🧩 iPaaS & Orchestration — n8n/Make, Logic Apps, queues/webhooks, cron/schedulers.
  • 📦 ERP/CRM/e-Commerce — SAP/Dynamics/Netsuite; Shopify/Woo; M365/Slack/Teams.
  • 📨 Messaging — Kafka/Rabbit/Service Bus; pub-sub, saga & outbox patterns.
  • 🗂️ Data Pipelines — ETL/ELT, CDC, validation & enrichment, schema registry.
  • 🛡️ Security & Compliance — OAuth2/OIDC, mTLS, KMS/Key Vault, auditability.

What We Do

  • Discovery & contracts: system inventory, data flows, API specs & SLAs.
  • Build & orchestrate: connectors, transformations, retries/idempotency.
  • Secure & observe: secrets, RBAC, tracing/logs/metrics, error budgets.
  • Operate & optimize: throughput/cost tuning, dashboards, runbooks.

Sample KPIs

  • Integration success rate: ≥ 99.5%
  • End-to-end latency (P95): < 5s
  • Duplicate events: < 0.1%
  • Incident MTTR: ≤ 1h
  • Cost per 1k transactions: −30% in 6 months

Packages

  • Starter (3–4 weeks): Integration map, target contracts, quick wins, 90-day plan.
  • Growth (5–8 weeks): iPaaS setup, 2–4 flows in prod, observability baseline, runbooks.
  • Enterprise (8–12+ weeks): Event-driven backbone, policy-as-code, DR/HA drills, compliance artefacts.

Method

  • Discover: systems, contracts, risks.
  • Design: patterns, schemas, SLAs.
  • Pilot: low-risk slice with rollback.
  • Implement: flows, security, observability.
  • Handover: docs, training, support rhythm.

Deliverables

  • Architecture & API Specs: OpenAPI/AsyncAPI, examples, mocks.
  • Integration Flows: orchestrations with retries/idempotency & DLQs.
  • Data Maps & Validation: schemas, contracts, test cases.
  • Observability Pack: tracing/logs/metrics dashboards, alerts.
  • Security & Compliance: secrets/KMS, RBAC, audit logs, hardening report.
  • Runbooks: incident/change, key/cert lifecycle, DR/BCP.

Engagement Models

  • Advisory-only. Implementation by client teams or certified partners; we provide design, governance, and QA.
  • Vendor-neutral. No resale, no commissions, conflict-free.
  • Defensive-only. No offensive testing or data exfiltration tooling.

Compliance & Client Acceptance

  • GDPR/DPA-first: data minimization, least privilege, NDA with staff/partners.
  • Sanctions/KYC: screened against EU/UK/US sanctions; embargoed parties refused.
  • Off-limits: No offensive testing/automation, exploit development, or tool resale.
  • Terms: Contracted service terms & liability limits under local law.

FAQ

  • How do you avoid duplicates? Idempotent keys, outbox pattern, DLQs.
  • Which stack? We are vendor-neutral; we pick tools by use-case, SLA and TCO.
  • Runtime location? Customer’s cloud/VPC/VNet; secrets in KMS/Key Vault.
  • Security model? OAuth2/OIDC, mTLS, RBAC, audit trails.

Ready to Move?

Share your context (goals, constraints, timelines) and we’ll recommend the right package or a tailored plan.

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