pp Do you want to work for an International Service Delivery Center in Spain as a bSenior /b bRust Engineer /b?? /p pYou will be part of a cross‑functional agile team building a next-generation data management platform within a highly regulated environment. The system is designed using a distributed, event‑driven microservices architecture, handling complex workflows, real‑time data processing, and integrations with external systems. /p pThe platform emphasizes scalability, resilience, traceability, and high reliability, leveraging modern technologies such as Rust, container orchestration, and event sourcing patterns. The team operates within an agile framework, focusing on continuous delivery, built‑in quality, and strong engineering practices. /p pAt ERNI, you are never just a number. Even if you work on an external project, you will feel part of the team and always supported. /p h3How do we make this happen? /h3 pWith people. Besides your team and manager, you will have several support figures like a godparent, who will help you with the practical and administrative aspects of daily life during your first 6 months. /p pAnd the second most important person after you, your mentor, who will guide you through your entire onboarding and career at ERNI. You will have regular 1:1 meetings with them, and recurrently, you will work on your development plan to define your short-, medium-, and long‑term goals. /p pAt ERNI, we highly value experience and technical knowledge. As a senior profile, you will have the space to continue growing, whether by deepening your technical skills or having greater influence on project decisions, with autonomy and the opportunity to share knowledge with other experts. /p pAnd if you are interested in mentoring, there is also space for that: supporting other ERNIans while still focusing on the technical excellence that sets us apart. /p h3What You Will Bring /h3 ul liBachelor’s degree in Software/Electrical Engineering or a related field. /li liStrong hands‑on Rust development experience (ideally 2+ years) with deep knowledge of ownership, borrowing, lifetimes and async/await. /li liPractical experience with Rust web/async libraries and ecosystem (e.g., Tokio, Actix‑web, Rocket, Serde, SQL libraries). /li liExperience designing and implementing event‑driven, distributed systems. /li liFamiliarity with design patterns for distributed systems and resilient architectures.



/li liExperience with Linux containers and orchestration (Docker, Kubernetes) and basic scripting. /li liExperience with automated testing and integration testing between backend and frontend. /li liWorking knowledge of DDD, TDD and BDD practices. /li liExperience working in Agile environments (Scrum, Kanban, or similar). /li liEnglish fluency. /li /ul h3Nice To Have /h3 ul liPrior involvement in regulated environments (e.g., medical devices) and familiarity with quality/regulatory standards. /li liProficiency with React and automated UI testing. /li liExposure to AI‑enabled development practices and modern cloud‑native architectures. /li liGerman language skills. /li liISAQB Foundation or relevant advanced modules (or equivalent). /li /ul h3You will be responsible for /h3 ul liDesign, develop and maintain robust Rust backend components, applying pragmatic problem‑solving and deep technical knowledge. /li liImplement asynchronous Rust solutions and integrate them into event‑driven architectures. /li liContribute to architecture and design reviews; define and document unit specifications, interfaces and quality attributes. /li liBuild and maintain integrations with LIS/LIMS, lab instruments and other lab IT systems; handle data persistence, auditing and accessibility requirements. /li liEnsure timely delivery of high‑quality software that meets regulatory and QMS requirements. /li liImplement and maintain automated testing and ensure traceability to requirements. /li liMaintain documentation and regulatory artifacts required for audits and compliance. /li liDrive continuous improvement of code quality, reliability and performance; mentor peers and promote ownership across the team. /li liCommunicate complex technical concepts clearly to tech leads, product owners and cross‑functional teams to foster collaboration and learning. /li liParticipate in Agile ceremonies and coordinate with other teams for aligned delivery. /li liFollow security‑ and privacy‑aware development practices and adhere to relevant standards and company policies.



/li /ul h3What if the project ends? /h3 pWe work on a wide variety of projects, technologies, and sectors, allowing you to keep growing in different environments. If a project ends or you feel ready for a new challenge, we’ll find another one that aligns with your professional development. /p h3Our working model /h3 pWe ask you to be available for key meetings. Need to leave for a doctor’s appointment or to pick up your child from school? No problem. We trust you to deliver quality work within your 40‑hour workweek. /p pOur model is hybrid: we usually go to the office 2 days a week, but we love seeing each other’s faces; the best stories always happen in the office! /p h3You Will Also Enjoy /h3 ul li We cover your certifications and reward technical achievements up to €1,400. /li li Private health and travel insurance. /li li Full coverage for sick leave + 1 extra day off per month without medical leave. /li li?♀️ Free emotional, legal, and family support. /li li ️♀️ Gym discounts + sports compensation. /li li Versátil remuneration: meals, transport, childcare, etc. /li li? Referral bonuses: up to €6,000 per candidate and €5,000 per client. /li li 23 working days of vacation. /li li ️ Free language courses: English, Spanish, Catalan and German. /li /ul h3And the salary? /h3 pWe will discuss it during the first call. If it is important to you, feel free to ask! /p h3WOULD YOU LIKE TO BECOME AN ERNIan? APPLY NOW! /h3 pERNI is a Swiss Software Engineering company leader in building complex, customized software solutions. It’s more than 25 years of using technology to have a positive impact on people’s lives. /p pWe build digital solutions that connect the physical world (devices connectivity) with the digital one (software solutions, connected, or consuming their data). Our teams are focused on prioritizing the software lifecycle to ensure that our code is both clean and secure. Our maturity in building high‑impact software solutions approaches us whatever industry looking for quality and sophistication (e.g., Gaming, FMCG or Validation Inspection…). /p pOur leadership in Health‑Tech (Diagnostic Medical Devices, Pharma, Health Care and more) and in all industries around Smart Devices (Robots, Cars, 3D Printers, Machinery), in a powerful combination with the way we grow people, lets us create a growing, learning and challenging set up for ERNIans. /p /p #J-18808-Ljbffr

📌 Senior Rust Engineer (Barcelona)
🏢 Erni
📍 Barcelona