103 English-speaking jobs in Rennes

This PhD position focuses on designing energy-efficient AI accelerators using dynamic approximate computing techniques. The research will investigate the impact of approximation on computational efficiency, accuracy, and system-level performance. The candidate will develop novel hardware-software co-design methodologies to integrate approximation mechanisms into accelerator designs, aiming to balance energy savings and output quality.

Technical Support Engineer provides phone, email, and chat support to Telecom Operators and Broadcasters, troubleshooting technical issues and ensuring SLA commitments. Requires a diploma or degree in a technical field, 3+ years of international customer-facing experience, Linux environment and server expertise, and strong understanding of system and storage architecture. Full professional English required.

Leads and transforms Solution Engineering and Onboarding Consulting teams, driving a consultative mindset focused on solution-selling and value realization for clients. Guides teams to become business partners, mastering value quantification, strategic solution design, and consultative selling. Acts as a senior client advisor on strategic accounts, ensuring success.

We are seeking ambitious entrepreneurs to build and scale startups in fields such as Agentic AI. You will own and operate your startup, receive personalized development support, and benefit from access to a network of top founders, investors, and talent.

Momji seeks a part-time English nanny for 8 hours per week in BRUZ, starting August 31, 2026. Responsibilities include after-school and daycare pick-ups, homework help, snack time, assisting with hygiene, and park visits. Previous experience with children is required. EU citizenship or a work visa for France is necessary.

Experienced Data Center Technician needed for on-site contract work in Cesson-Sévigné, France. Perform hardware installations, cabling, server racking, and troubleshooting. Must have 2+ years of data center experience, strong cabling skills, and ability to lift 50+ lbs.

Tech Co-founder / CTO needed for new cybersecurity startup. Define tech vision, build a secure and scalable product, and lead a high-performing team. Must have experience in software development, cloud architecture, and SaaS product creation.

IDnow seeks a Staff DevOps Engineer to lead platform initiatives, drive architecture decisions, and oversee the migration from on-premises infrastructure to AWS. Responsibilities include designing, building, and maintaining Kubernetes-based infrastructure, managing virtualization platforms, and ensuring platform security.

Postdoctoral researcher to develop and experimentally validate prototypes of highly-efficient and compact power converters. Tasks include defining performance of a half-bridge topology, developing a design tool for interleaved multiphase converters, and designing a high-power-density DC/AC converter. Requires PhD in Electrical Engineering with a focus on Power Electronics and experience with Wide Band Gap semiconductor devices.

Solina seeks a Group Continuous Improvement Data Expert to deploy structured improvement initiatives across manufacturing sites. The role involves supporting Masterplan creation, project execution, performance monitoring, data analysis, and best practice sharing. Requires experience in Lean Manufacturing, Six Sigma, data analysis, and proficiency in Excel, Power BI, and ERP systems. Fluent English required.

Leads technical assessments, risk mitigation, and collaboration with engineering teams to resolve issues related to wind turbine electrical and software components. Requires a degree in a relevant field, experience with turbine control principles, and proficiency in PLC programming and software update processes.

DRAMA STUDIOS seeks a freelance Game UI Icon Designer to create a scalable and consistent set of in-game UI icons for their Unreal Engine 5 project, UNRECORD. The ideal candidate will have proven experience in game UI design, a solid understanding of in-game constraints, and familiarity with controller standards.

Ericsson seeks a Sales Representative to drive growth with Tier 1 carrier partners in France. This role focuses on identifying and winning new business opportunities in 5G resilience, fixed wireless access, and remote working initiatives. The successful candidate will also expand existing CSP relationships.

Experienced Python developer needed to build and scale a cybersecurity platform. Collaborate with cross-functional teams, implement product initiatives, and contribute to a rapidly growing company. 5+ years of backend development experience required.

Optical Designer will provide optical and mechanical design solutions for customer and internal specifications. Experience in infrared optical assembly design is a plus. Must have strong self-management and project management skills.

Develop and maintain product documentation, manage pricing, and collaborate with sales, presales, and R&D teams. Analyze market trends, competitor products, and provide technical support.

Scaleway seeks a Tech Lead to guide the growth of its Developer Tools ecosystem. This role focuses on software quality, mentoring, architecture, tooling, code reviews, and developer success. Responsibilities include technical leadership, community and cross-team collaboration, knowledge sharing, and direct contributions to key engineering tools.

PhD position investigating membrane fouling mechanisms in non-aqueous media. Experimental research will focus on membrane behavior, filtration experiments, and fouling analysis in a case study.

Backend developer to join a team focused on optimizing and expanding an archive of source code. Responsibilities include implementing new features, maintaining code quality, and participating in FOSS communities. Requires fluency in Python, experience with GNU/Linux, and knowledge of software development best practices.

Provide first- and second-level IT support for desktops, laptops, printers, and mobile devices. Troubleshoot hardware, software, and peripheral issues. Install, upgrade, and maintain operating systems and software applications.