java English-speaking jobs in Mainz

Leads Solution Architecture across Europe, ensuring consistent, scalable, and performance-ready architectures for customer projects. Drives professional development and technical excellence within the Solution Architect team. Collaborates with Sales, Product, and Delivery leadership to shape technical approaches and unlock growth.

Continental seeks a Tax Compliance Manager to ensure adherence to German and international tax regulations. Responsibilities include developing and implementing tax compliance strategies, managing risk reports, and coordinating with internal and external stakeholders.

Enterprise Partnerships and Operations Manager will lead strategic partnerships with leasing providers, OEMs, and retail groups in the DACH territory. Responsibilities include managing existing relationships, developing new partnerships, negotiating agreements, and ensuring reliable inventory supply. Requires 5+ years of experience in business development, sales, or strategic buying, strong stakeholder management skills, and fluency in English and German.

The Group CFO will partner with the CEO, leading financial performance, operational efficiency, and finance, IT, and controlling functions. Responsibilities include strategic business partnering, finance transformation, operational and sector excellence, and performance-driven leadership.

Experienced Electrical Engineering leader sought for a Berlin-based international company. Lead and develop a team, manage complex projects across all HOAI phases, and contribute to office strategy. Degree in Electrical Engineering, leadership experience, and HOAI knowledge required.

Scientist to contribute to the development of optical non-terrestrial networks. Requires a master's degree in electrical engineering, physics, or a related field, programming skills, and knowledge of optical systems, communication systems, and high-speed electronics.

Design and implement software solutions for a service-oriented platform. Develop .NET Core interfaces with Azure cloud services. Accompany solutions throughout their lifecycle.

Legal Counsel (M&A) will structure and execute national and international corporate transactions, joint ventures, and financing projects. Provides legal advice, drafts and negotiates documents, and supports post-merger integration. Requires a fully qualified lawyer degree, several years of M&A experience, and strong communication skills.

Talent Manager for international high-profile fashion clients. Manages career, commercial, and creative strategies, including brand partnerships, campaign coordination, and long-term planning. Requires experience in talent management, brand partnerships, and strategic career development within fashion, entertainment, or creative industries. Fluent English required, German, French, and Italian a plus. Based in Berlin.

Experienced Creative Pattern Maker/Cutter needed for BOSS Womenswear Design Lab. Develop and interpret designs, collaborate with Senior Designer, and create prototypes for dresses, jackets, coats, blouses, jersey, and leather.

Head of Investor Relations will manage the LuxExperience investor network, prepare earnings calls and presentations, and lead external communication. Requires 3-7 years of investor relations experience, including consensus management and valuation modeling.

Manage the CEO office, providing administrative support to the CEO, CFO, and CMO. Coordinate calendars, meetings, travel arrangements, and events. Act as a central point of contact for internal and external inquiries.

Lead and professionalize the group finance function for a dynamic, international SaaS company. Design and implement investor-grade finance processes, manage teams, and oversee accounting, consolidation, reporting, and treasury activities.

The Technical Director – Construction (EMEA) ensures technical integrity, constructability, quality, and performance of hyperscale data center projects across EMEA. This senior role bridges design, engineering, construction, commissioning, and operations, ensuring facilities meet design specifications, performance requirements, and regional regulations.

Leads and develops the IT team, defines and implements IT strategy, oversees support for various systems, and ensures secure operation of IT infrastructure. Manages projects, procurement, and assets. Requires a degree in IT, 5+ years of experience, and expertise in Active Directory, Azure, networking, virtualization, and cybersecurity. Fluent English required. Regular travel to the UK is mandatory.

The System Administrator for Basic Infrastructure Services will plan, configure, and administer infrastructure at the middle service level. Tasks include Active Directory, Domain Name Service, NTP, monitoring, logging, load balancers, endpoint security, and automation. The role requires a university degree in IT or comparable experience, knowledge of data center infrastructure, and experience with automation, network infrastructure, SAN, and data backup.

Leads a multidisciplinary team in dental materials and delivery systems, defining and executing technology platform strategy. Drives development of new technologies and manages collaborations to accelerate innovation. Requires a Ph.D. in a relevant field or Master's degree with extensive industry experience.

Daqo Group seeks a Delivery & Service Manager to lead project execution and ensure successful delivery, commissioning, and lifecycle support of power distribution solutions across Europe. The role involves managing project delivery, coordinating installation and commissioning, and providing after-sales service for MV switchgear, transformers, RMUs, and related systems.

The Venture Capital Investor Accelerator is an 11-week apprenticeship-style program providing structured training and hands-on experience in deal sourcing, due diligence, portfolio support, and fund strategy.

Execute complex threat intelligence engagements and projects independently. Manage stakeholder relationships and deliver high-quality threat intelligence services. Support junior team members and contribute to the professional growth of the Threat Intelligence team.