java English-speaking jobs in Mainz

Senior Business Implementation Analyst analyzes energy trading activities and new products, translating business requirements into technical solutions. Coordinates change delivery with business departments and IT, ensuring successful implementation. Requires a university degree and at least 5 years of experience in energy, commodity, or financial trading.

Analyst to support debt advisory mandates, collaborate on lender education, and arrange financings. Responsibilities include preparing financial models, pitchbooks, and supporting transaction execution. Requires up to 1 year of relevant experience, strong analytical skills, and fluency in German and English.

The Technical Director, Construction – EMEA leads the technical execution of data center developments from pre-construction through commissioning and handover. This role ensures technical integrity, constructability, quality, and performance of projects across EMEA, acting as CloudHQ's technical authority during construction.

Technical Support Engineer provides pre-sales and post-sales support for vision inspection technologies. Responsibilities include designing solutions, conducting demonstrations, troubleshooting issues, and traveling to customer sites. Requires a Bachelor's Degree in a related field, 2+ years of experience in machine vision or technical support, and fluency in English and German.

Lead international expansion and commercial scale-up for a VC-backed climate-tech B2B SaaS company. Own the opening and ramp of new markets, replicate and optimize the GTM playbook, and lead and develop go-to-market leads. Drive value-based selling and own country-level P&L.

Project Manager responsible for delivering turnkey timber construction projects from planning to handover. Manages schedules, costs, and quality, leading project teams and coordinating with clients, authorities, and planners. Requires engineering or architecture degree, project management experience, and strong German language skills.

Business Consultant to implement SaaS software solutions for international clients. Responsibilities include analyzing customer requirements, configuring software, and leading go-live support. Fluent German and English required.

M&A Manager to support origination and execution of software M&A deals. Manage transactions, develop business cases, and lead due diligence. Requires multiple years of experience in private equity, M&A, or corporate development.

Manage client projects in crisis and transformation situations for financial services clients. Experience in business transformation, balance sheet management, risk & regulatory, data & AI transformation, transactions advisory, and event-driven crises is required. Proven experience leading consulting teams and developing client relationships is essential.

Working student to support the Publisher Account Management team. Assist with onboarding new clients, managing existing accounts, and providing day-to-day support.

Warehouse Supervisor will manage daily warehouse operations, optimize performance, and ensure compliance with regulations. Experience in warehouse management, logistics, and supply chain is required. Fluency in English is essential, German is preferred.

Lead and develop the accounting team, stabilize existing structures, and build scalable financial processes. Ensure accurate financial reporting and compliance with HGB. Analyze and optimize accounting processes, drive standardization and automation. Collaborate with stakeholders and provide financial insights.

Senior Software Developer will design, implement, and test solutions for a digital learning platform. Requires 5+ years of experience, expertise in Java Spring Boot, Java EE, and Web applications, and knowledge of CI/CD, micro-services, and databases. Fluency in English is required, German is a plus.

Implement the BCM lifecycle, conduct business impact analyses, risk assessments, and emergency plan exercises. Support and advise on emergency management projects, develop and improve BCM systems, and manage business continuity governance. Report to management and regulators, coordinate crisis management, and implement training on BCM.

Medical Science Liaison (MSL) for Dermatology (Inflammation & Autoimmunity) will lead scientific exchange with dermatologists, support clinical research, and contribute to medical strategy.

Key Account Manager for Life Sciences will drive growth across a territory spanning global enterprise accounts and local/mid-market opportunities. You will own revenue targets, develop territory and account plans, and build relationships with senior decision makers. This role requires 3+ years of enterprise B2B and/or SaaS sales experience, including territory or account ownership.

The EMEA Energy & Data Center Sales Director will drive revenue growth across ADI's Energy and Data Center Infrastructure portfolio in Europe. This leader will manage complex, multi-country customer engagements, influencing system architectures and accelerating design wins.

Manage and execute physical oil and/or LPG trades end-to-end, coordinating vessel operations, nominations, and scheduling. Review and align trade recap, contracts, and charter party terms to ensure consistency and risk control.

Conduct consulting projects for OEMs and suppliers in the global aerospace market. Design and implement solutions for product development, production, and supply chain optimization.

Black Forest Labs seeks a Senior Account Executive to drive the full sales cycle for enterprise and strategic partners. This role involves complex, multi-stakeholder deals across APIs, on-prem deployments, and custom licensing. The ideal candidate has experience selling technical products to tech executives and ML teams, managing long sales cycles, and building durable customer relationships.