Do you want to work for an International Service Delivery Center in Spain as a Lead Rust Engineer? Join ERNI to build reliable, scalable software for medtech domain that makes a real impact on patients. We’re looking for a hands‑on Lead Rust Engineer to set the technical direction of a cross‑functional team and drive high‑quality delivery.

Qualifications Bachelor’s degree (or equivalent) in software/electrical engineering or a related field. Strong, hands‑on Rust development experience (preferably more than 4 years) with deep understanding of core Rust concepts (ownership, borrowing, lifetimes) and asynchronous programming (async/await). Proficiency with Rust libraries/frameworks (Tokio, Actix‑web, Rocket, Serde, SQL), and Foreign‑Function Interfaces.

Experience with Linux containers (Docker, Kubernetes) and basic scripting.

Experience with message brokers (e.g. RabbitMQ), event‑driven architecture, event stores, event sourcing, and actor models.

Experience with applying design patterns relevant for distributed systems. Exposure to AI‑enabled software development practices and modern cloud‑native architectures. Familiar with Domain‑Driven‑Design (DDD), Test‑Driven Development (TDD) and Behavior‑Driven Development (BDD).

English fluent. SAFe/Agile experience is essential.



Nice to have Background in regulated domains React and automated UI testing experience German language skills ISAQB or similar architecture qualification Responsibilities Define and communicate the team’s technical vision and architecture.

Convert business needs into scalable, secure solutions. Design, build and maintain Rust services. Lead async/concurrent development (Tokio, Serde, Actix, etc.). Oversee deployments on Docker/Kubernetes.

Promote code reviews, automated tests and CI/CD. Apply DDD, TDD/BDD and best practices for distributed systems. Design reliable messaging and event‑driven patterns. Mentor engineers and remove technical blockers.

Foster a collaborative, inclusive team culture. Support planning, estimation and prioritization. Work with Product, QA, DevOps and Architects. Coordinate technical dependencies across teams. Communicate technical concepts clearly in Agile/SAFe ceremonies.

Benefits ~ Certification reimbursement and rewards for technical achievements up to 1,400 €. ~ Private health and travel insurance. ~ Full coverage for sick leave + 1 extra day off per month without medical leave. ~ Free emotional, legal and family support. ~ Gym discounts and sports compensation. ~ Adaptable remuneration: meals, transport, childcare, etc. ~ Referral bonuses up to 6,000 € per candidate and 5,000 € per client. ~23 working days of vacation. ~ Free language courses: English, Spanish, Catalan and German.

📌 Global Technical Lead (Madrid)
🏢 JobFlurry
📍 Madrid