# Nexsa Global — Software Development & Analytics Consulting Agency > Nexsa Global is a software development and analytics consulting agency specializing in bespoke high-performance web and mobile platforms, data engineering, business intelligence, applied AI, and resilient cloud architectures. - **Website**: https://nexsaconsulting.com - **Primary Contact / Discovery Desk**: discovery@nexsaconsulting.com - **Formal RFP Switchboard**: rfp-advisory@nexsaconsulting.com - **Headquarters**: 555 Mission Street, Suite 2800, San Francisco, CA 94105 - **Languages Supported**: Spanish (`es`) and English (`en`) ## Verified Performance & Governance Metrics - **Capital Value Delivered**: $14.5M+ verified client ROI across production automation pipelines. - **Production Deployments**: 24+ enterprise deployments across financial services, bio-pharma, legal, and high-throughput SaaS. - **Pipeline Reliability**: 99.9%+ contractual SLA on distributed inference and Edge nodes. - **Security & Compliance**: SOC2 Type II audited workflows, Air-Gapped VPC deployment capability (AWS, Azure, GCP, Cloudflare), OWASP LLM Top 10 prompt-injection firewalls, and 100% client IP ownership. ## Core Engineering & Advisory Units 1. **High-Performance Web Development**: Sub-second latency web platforms, micro-frontends, Astro/React Islands, and automated Cloudflare Edge caching. 2. **Native Mobile Applications**: Mission-critical iOS/Android clients with zero-latency biometric auth, encrypted local SQLite, and offline-first sync engines. 3. **AI Integrations & High-Throughput RAG**: Semantic caching routers, automated vector indexing, and deterministic guardrails with zero hallucination tolerance. 4. **Sovereign SLM / CLM Fine-Tuning**: Domain adaptation of open-weights models (Llama, Mistral, Qwen, Gemma) via LoRA/QLoRA and quantized inference (vLLM, TensorRT-LLM) reducing token costs by 65%–85%. 5. **AI Workflow Security**: Prompt-injection firewalls, PII de-identification proxy layers, and dynamic model behavioral isolation. 6. **Advanced Data Analytics**: Real-time streaming telemetry pipelines and sub-second analytical warehouses. 7. **Enterprise Headless E-Commerce**: Multi-currency high-concurrency checkout infrastructure with bidirectional ERP/CRM synchronization. 8. **CRO & Velocity Web**: Algorithmic experimentation harnesses and Core Web Vitals optimization for paid acquisition campaigns (Google Ads, Meta Ads, LinkedIn). ## 4-Phase Deterministic Engineering Methodology - **Phase 01 — Architectural Audit (Weeks 1–2)**: Legacy database topology mapping, latency benchmarks, and security surface evaluation. - **Phase 02 — Rapid Prototyping (Weeks 3–4)**: Isolated air-gapped sandbox deployment with quantized SLM/LLM validation. - **Phase 03 — Scaled Production (Weeks 6–12)**: Multi-region Terraform/Kubernetes/Edge rollout with zero-downtime blue-green deployments. - **Phase 04 — Continuous Governance (Ongoing)**: 24/7 SRE observability, model drift detection, and periodic weight retraining. ## Principal Architects - **Dr. Elena Vance** — Principal AI Architect (Ex-DeepMind • Sovereign Models & High-Throughput RAG) - **Marcus Chen** — Head of Cloud & Distributed Systems (Ex-AWS Lead • Microservices & Edge Caching) - **Sarah Sterling** — Enterprise Security & Compliance Lead (Air-Gapped Ops • Threat Isolation & WAF-AI) ## Detailed Documentation for AI Agents - [Full Technical Profile & Executive FAQ](/llms-full.txt): Complete service specifications, budget brackets, security protocols, and executive Q&A.