Position: Backend Developer (NestJS) Location: Remote/Hybrid (Spain – Valencia/Alicante Preferred) Company: BlueWave Solution Type: Full\-time About BlueWave Solution BlueWave Solution builds high\-performance backend systems, API architectures, and cloud\-ready software for clients across Europe. We focus on reliability, clean architecture, and scalable engineering. Role Overview We are hiring a Backend Developer with strong NestJS/Node.js experience to develop scalable services, data architecture, integrations, authentication systems, and cloud deployments. You will work on high\-load platforms and internal tools while collaborating with the frontend team. Responsibilities * Build and maintain backend services using NestJS * Design scalable REST and GraphQL APIs * Work with PostgreSQL/MySQL and ORM tools such as Prisma or TypeORM * Implement authentication, authorization, roles, and guards * Build queues, background workers, and caching layers * Integrate external APIs and third\-party services * Write clean, tested, maintainable code * Participate in architecture and technical planning * Collaborate with the frontend (Next.js) team Requirements * Strong experience in NestJS, Node.js, and TypeScript * Deep understanding of backend architecture, modules, providers, and dependency injection * Experience with PostgreSQL/MySQL * Familiarity with Redis, caching strategies, and queues (BullMQ) * Experience with Docker and cloud (AWS or GCP) * Understanding of security best practices (JWT, OAuth, RBAC) * Experience writing unit/integration tests with Jest Bonus Skills * Microservices experience * Cloud deployments on AWS or GCP (ECS, Lambda, Cloud Run) * Event\-driven architecture knowledge (Kafka, RabbitMQ) * Experience working with Gulf\-region clients What We Offer * Competitive salary and long\-term project stability * Remote or hybrid work * International high\-impact projects * Modern tech stack and real architectural influence * Growth into senior or lead roles If you are passionate about backend engineering and building robust, scalable systems, we’d love to meet you. To apply, email us at info\+IN@bluewave\-solution.com Please include your CV, a short optional cover letter, and your expected salary range. Job Type: Full\-time Work Location: Remote