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.

Si desea conocer los requisitos para este puesto, siga leyendo para obtener toda la información relevante.
Qualifications

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- 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

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- Background in regulated domains

- React and automated UI testing experience





- German language skills

- ISAQB or similar architecture qualification

Responsibilities

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- 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

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- 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. xhfqzwm

- Free language courses: English, Spanish, Catalan and German.

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📌 Lead Rust Engineer (Valencia)
🏢 Erni
📍 Valencia