java English-speaking jobs in Mainz

Lead strategic projects and programs from concept to implementation. Operationalize strategic measures to facilitate transformation at PHOENIX group. Further develop the "Strategic Initiatives" department and co-create the Inhouse Consulting service offering.

Lead and develop a sales team, ensuring the execution of the Sales Operating System for Alibaba.com. Manage inbound and outbound activities, coach team members on sales techniques, and identify operational improvements.

Senior Manager responsible for portfolio strategy and performance management in enteral nutrition. Conducts market analysis, develops business cases, and tracks product performance. Requires 5+ years of experience in portfolio strategy, business analytics, or related fields. Strong analytical, financial, and communication skills are essential.

Create dynamic slot game animations using Spine 2D. Collaborate with teams to ensure animations align with gameplay and visual aesthetics. Optimize animations for performance across platforms.

Power Plants and Generators Specialist will design power plants, including turbines, generators, and transformer systems. Responsibilities include detailed engineering design of synchronous condensers and machines, developing interface specifications, and creating tender specifications.

This 15-month program offers a broad insight into embedded solution development. The program starts October 1st, 2026, and includes an onboarding week, workshops, and projects.

SAP MDG Senior Consultant needed for a 9-month project. Focus on MDG configuration, integration with Teamcenter, and optimization. Requires experience with MDG workflows, data modeling, REST APIs, and integration scenarios. Project language is English.

Drive pipeline growth for a high-growth cybersecurity organization by generating and qualifying new sales opportunities in the DACH region. Responsibilities include outbound outreach, lead qualification, and partnering with Account Executives. Fluent German and English required.

Student assistant to calibrate a soil-plant model using experimental data. Tasks include familiarizing oneself with the experimental setup and model structure, performing statistical data analysis for model calibration, adapting and extending existing scripts, and visualizing and analyzing model outputs.

Support sales success and customer satisfaction by drafting contracts, managing invoices, and handling customer queries. Collaborate with Key Account Managers, Sales Managers, and Management.

Product Specialist will drive the development and commercialization of digital solutions for agricultural production systems. Responsibilities include defining product positioning, marketing launch plans, and supporting trade fair presentations. Requires a university degree in agriculture, knowledge of cultivation methods, and experience in sales and marketing.

Support Manufacturing Engineering by handling design nonconformities, managing iDelivery tasks, and contributing to continuous improvement initiatives.

Electrical Engineer with 5+ years' experience needed for design, maintenance, and implementation of electrical systems and components for industrial and commercial use.

Accounts Receivable Accountant needed for a 1-year contract. Responsibilities include revenue and receivables postings, payment allocation, bank reconciliation, and support with month-end closing. Requires several years of experience in accounts receivable management, strong Excel skills, and fluency in German and English.

Avionic mechanic with completed apprenticeship or experience in wide-body aircraft maintenance. Knowledge of AMM, IPC, and English required. Tasks include aircraft maintenance, component installation, wire repairs, and documentation.

Directs and controls physical activities in yard, vessel, and road queue areas. Ensures safety, KPI achievement, and adherence to company policy. Communicates effectively and promotes teamwork. Knowledge of TOS/Zodiac and equipment operations preferred. LMV license and driving experience required.

Senior Controls Design Engineer needed for a part-time project in Grünheide. Responsibilities include equipment design, P&ID development, instrumentation specification, network design, and supplier management. Requires experience with EPLAN, PLC systems, and German standards.

Drives new business for Altium's platform solution. Manages the full sales cycle from qualification to customer adoption. Leads consultative discovery conversations and guides prospects through complex buying decisions. Requires fluency in English and German, 4+ years of B2B sales experience, and proficiency in Salesforce.

Master's thesis exploring visualization methods for multivariate geospatial data with evolving uncertainty. Requires understanding of visual analytics, data analysis, and visualization libraries (e.g., d3.js).

Leads radiation protection activities across site design, licensing, shielding, regulatory compliance, and project delivery for radiopharmaceutical facilities. Manages projects, ensures regulatory compliance, and provides onsite support for successful site operation. Requires a Master's degree in a relevant field and several years of experience in radiochemical or radiopharmaceutical operations.