java English-speaking jobs in Mainz

We are seeking a motivated German-speaking Sales Development Representative to join our growing sales team. This role is ideal for recent graduates or career changers interested in software/technology sales. Responsibilities include prospecting, generating new business opportunities, conducting cold outreach, and building sales pipelines.

Scans, distributes, and reports on shipments. Orders supplies, collaborates with hub areas, and handles customs and release shipments. Requires ability to lift packages up to 32 kg, German fluency, and a Class B driver's license.

Leads end-to-end development of footwear products from concept to production, collaborating with technicians, material experts, and product management. Assists in developing medium complexity products. Ensures products meet quality standards, cost targets, and market appeal.

Mechanical Engineer to contribute to power plant projects, including decarbonized and hybrid solutions. Responsibilities include analyzing contracts, preparing specifications, coordinating interfaces, and managing contractors. Requires a degree in Mechanical Engineering, experience in power generation or EPC projects, and proficiency in 2D/3D design tools.

This role supports technology and automation within Partner Care. Responsibilities include CRM functional optimization, automation execution, cross-functional project leadership, and data diagnostics. Experience in technical consulting, system administration, or process engineering is required, along with Salesforce Service Cloud configuration and automation framework experience.

Leads the EHS program on assigned projects in Dresden, ensuring safety performance, legal compliance, and risk management. Supports the project team in maintaining safe systems of work and driving a proactive safety culture. Requires 6+ years of experience in a similar EHS role within the construction industry.

Junior Health & Safety Advisor to support safe delivery of construction projects across Germany and Europe. Requires NEBOSH General Certificate or equivalent, 1+ years' experience, and fluency in English.

As a Commis de Rang, you will ensure smooth service operations, maintain cleanliness, and contribute to a positive guest experience. You have completed your training and possess a passion for food and service.

Packaging Development Manager will own and drive the PPWR roadmap, translating regulatory requirements into implementation plans. Develop and optimize consumer packaging solutions, balancing functionality, sustainability, and brand impact. Collaborate across functions, including Packaging Development, Sustainability, R&D, Quality, Procurement, Production, Marketing, and Logistics.

Vercana GmbH seeks a Drilling & Well QAQC Supervisor to coordinate QAQC activities across drilling, completion, and intervention operations. The role involves ensuring Service Quality Plans are implemented, conducting service inspections, and managing the D&W QAQC release process.

The Senior Operations Specialist prepares documents, routes shipments, and negotiates rates for ground and air shipments. They address client inquiries, investigate problems, and resolve complaints.

Founding SDR to build and scale outbound motion for a business-in-a-box platform serving German craft companies, starting with roofing. Responsibilities include executing existing outbound strategy, improving scripts, and achieving a quota of qualified discovery calls. Requires 1+ year of sales experience, a love of cold calling, and native German fluency.

Senior Legal Counsel needed for international solar EPC projects. Provide legal advice on corporate, commercial, construction, and employment law matters. Draft, review, and negotiate contracts. Manage claims and dispute resolution.

Establish and evolve security verification and validation capabilities for autonomous vehicle platforms. Design and execute test plans, lead vulnerability assessments, and integrate security testing into development workflows. Collaborate with engineering teams to ensure vehicles meet cybersecurity standards.

Finance Business Analyst for Distribution Transformers, supporting strategic initiatives across six global manufacturing sites. Drive financial planning, budgeting, forecasting, and operational excellence. Analyze financial reports and business cases, ensuring compliance and transparency.

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. Requires 8-12+ years of Solution Architecture experience in SaaS, cloud, data platforms, or enterprise-scale implementations.

Provides administrative and office management support to a founder of a venture capital firm. Manages calendars, travel, meetings, and communication. Oversees office operations, vendor management, and team onboarding.

The SATCOMBw Overarching Systems Engineer - Satellite Communication Systems will work on the concept, design, development, and technical requirements of system upgrades and modifications for the SATCOMBw Satellite Communication System. Responsibilities include aligning system modifications, collaborating with Chief Engineers and Lead Systems Engineers, ensuring system performance, and supervising acceptance of major system upgrades.

Leads the Portfolio Management team, shaping strategy and ensuring balanced R&D capacity. Manages portfolio planning, balancing budget, resources, and timelines. Coordinates cross-functional alignment on forecasts, volumes, and pricing. Reports to senior leadership with insights and proposes corrective actions.

Loads and unloads UPS packages, utilizing machinery as needed. Performs package handling tasks, including sorting and stocking. Must be able to lift up to 70 lbs. Warehouse experience preferred.