Descripción
We are looking for: We are looking for an experienced senior level Backend Engineer - Platform & IoT Integration , who will take ownership of core backend and integration systems across our platform. You combine deep technical skill with a generalist mindset: comfortable moving between application code, cloud infrastructure and device-level integration, and trusted by the team as the person to call when something breaks or a solid architectural decision is needed. Key responsibilities: Own and evolve core backend and billing services end-to-end. Design, build and maintain backend services and their AWS deployment pipelines. Manage and evolve our timeseries data stack (e.g. QuestDB) that underpins device and energy analytics. diagnose and resolve production issues across cloud and device code. Support teammates who are blocked on code or infrastructure, and share architectural knowledge across the team. Apply solid software design practices (e.g. domain-driven design, microservice patterns) and contribute to version releases across INT/ACC/PROD environments. Technical skills Proven experience building backend services (Node.js/TypeScript or comparable) in production. Hands-on experience with AWS (e.g. Lambda, CDK) for deploying and operating cloud-native services. Experience with timeseries or high-volume data pipelines (e.g. QuestDB, Timestream, InfluxDB or similar). Working knowledge of device/IoT integration and data scraping, or a strong willingness to learn it. Solid understanding of microservice, API-driven and domain-driven design (DDD). Comfortable using observability tooling (e.g. CloudWatch, Sentry) to diagnose issues in production. Comfortable using AI tools to support and accelerate technical work. Solid grasp of security requirements for cloud and connected devices, and how to actually implement them (secure-by-design APIs, secrets and key management, least-privilege IAM) Awareness of the compliance landscape our platform operates in (GDPR, NIS2, CRA) an