Senior Backend Programmer, Remote (Preferred Spain), International Organisation Job role: Senior Backend Programmer. Minimum experience: 7–10 years. Studies required: Technical Engineer Language: English (C1) (Mandatory). Location: Remote (Preferred Spain). DESCRIPTION: This position requires a Senior Backend Programmer with strong expertise in TypeScript and modern server‑side development. The role focuses on building scalable APIs, integrating cloud services, and working with AI‑enabled backend systems. The professional will collaborate with cross‑functional teams, ensuring secure, reliable and high‑performance backend solutions within a distributed environment. Tasks: ∙ Backend development — Build and maintain scalable backend services and APIs using TypeScript. ∙ Service‑oriented architecture — Develop service‑oriented systems using NestJS or similar frameworks with dependency injection. ∙ Cloud integration — Integrate backend services with cloud platforms, ideally Azure. ∙ Database design — Implement data models and access patterns, including NoSQL (Cosmos DB). ∙ AI integrations — Work with AI‑enabled backend systems and external APIs. ∙ Security — Apply authentication, authorization and secure enterprise design principles. ∙ Async processing — Implement asynchronous workflows, orchestration logic and resilient error handling. ∙ Testing — Ensure strong test coverage across unit, integration and end‑to‑end testing. ∙ CI/CD — Work with environment‑based configuration and deployment pipelines. ∙ Troubleshooting — Diagnose and optimize distributed systems for performance and reliability. Specific expertise: ∙ TypeScript backend — Strong backend engineering skills with TypeScript. ∙ NestJS — Solid understanding of NestJS or similar frameworks. ∙ Azure services — Hands‑on experience integrating cloud services. ∙ Cosmos DB — Knowledge of NoSQL database design and data access patterns. ∙ AI systems — Ability to work with AI‑enabled backend components and external APIs. ∙ Security architecture — Strong understanding of authentication, authorization and secure design. ∙ Async orchestration — Experience with asynchronous processing and resilient error handling. ∙ Testing mindset — Strong testing practices across all layers. ∙ CI/CD pipelines — Familiarity with automated pipelines and production deployments. ∙ Distributed systems — Ability to troubleshoot and optimize distributed systems. ∙ Collaboration — Strong communication and teamwork in cross‑functional environments. Language: ∙ English C1 (Mandatory). Location: ∙ Remote (Preferred Spain). Rate: ∙ 217-237€/day.