High-Throughput REST & GraphQL API Engineering for Spain Cloud Platforms
Engineered for Spain commercial operations — power your mobile apps, partner integrations, and internal systems with ultra-fast, secure APIs. Mr Umer Malik engineers production-grade RESTful and GraphQL APIs in Go, Node.js, and modern PHP—designed for high-concurrency scaling, rate-limited security, and full OpenAPI documentation for tech ventures in Spain companies.
Core Capabilities & Production Deliverables
Direct architectural execution by senior engineer Mr Umer Malik with zero agency dilution.
High-Concurrency Golang & Node.js Endpoints
Lightweight compiled endpoints processing thousands of concurrent requests per second with sub-50ms execution times.
Type-Safe GraphQL Schemas
Flexible, self-documenting GraphQL schemas preventing over-fetching and giving frontend teams exact query control.
OAuth2, JWT & API Key Governance
Role-based authentication, granular token scope validation, and automated API key rotation protecting confidential endpoints.
Redis Caching & Tiered Rate Limiting
Token bucket and leaky bucket rate limiting preventing DDoS attacks and brute-force abuse while ensuring high availability.
Interactive OpenAPI / Swagger Documentation
Comprehensive, live interactive documentation allowing internal developers and third-party partners to integrate seamlessly.
Automated Unit & Integration Test Suites
Automated CI/CD test coverage verifying schema validation, response codes, and database transactions on every commit.
Why Spain Businesses Hire Directly
Direct senior developer partnership with fixed milestone pricing in EUR (€) and zero agency markup.
Rapid Engineering Velocity
Autonomous sprint progress with daily code commits pushed directly to your private Git repository.
Fixed Milestone Pricing in EUR
Transparent quotes agreed upfront in EUR (€) with fixed deliverables, mutual NDA, and 100% IP transfer.
Direct Senior Developer Access
Collaborate directly with lead software architect Mr Umer Malik with zero agency middlemen.
High-Availability Spain Cloud
Systems deployed on AWS Frankfurt (eu-central-1) for low latency and compliance with RGPD/GDPR, LOPD, AEPD Registered, ePrivacy.
Phased Delivery Roadmap & How This Project Runs
Structured from initial discovery call to production deployment and 100% intellectual property transfer.
Phase 01: Scoping & Fixed Milestone Scoping
Discovery call to map system boundaries, data models, and agree on fixed milestone pricing in EUR.
Phase 02: Private Repository & Staging Sandbox
GitHub repo setup under your organization, signed mutual NDA, and automated private staging environment.
Phase 03: Agile Sprints & Weekly Working Demos
Daily code commits and weekly staging demo links where you test functional features before sign-off.
Phase 04: Production Launch & 100% IP Handover
Zero-downtime DNS cutover, pre-flight security audit, speed optimization, and 100% credential transfer + 30-day warranty.
Preguntas Frecuentes
Respuestas claras a las consultas más comunes sobre nuestros servicios.
How do you coordinate with business hours in Spain? ▼
Who owns the intellectual property and code repository? ▼
What is the pricing structure in Spain? ▼
Where is client data hosted and is it compliant? ▼
Can you integrate regional payment methods in Spain? ▼
What warranty is provided upon project launch? ▼
Great dreams deserve craftsmanship, not compromises. Let’s build yours.
OPERACIONES REGIONALES / ESTADOS QUE SERVIMOS
© 2026 UMER XPERT. AL SERVICIO DE ESPAÑA — MADRID ✦ BARCELONA. TODOS LOS DERECHOS RESERVADOS.