javascript English-speaking jobs in Leipzig

Strategic Buyer (m/f/d) will define and execute procurement strategy, optimize costs and processes, and build relationships with international suppliers. Requires a bachelor's degree, 3-5 years of purchasing experience, strong negotiation skills, and proficiency in Excel.

Senior Research Engineer to design, build, and deploy LLM-based systems and agentic workflows. Focus on turning prototypes into reliable, scalable, and measurable systems. Strong Python fundamentals and experience with LLMs, NLP, or Generative AI systems required.

Oversees the organization, execution, and assessment of user training for internal staff and external clients on Biosensors Structural Heart products. Supports product implantation globally, focusing on training during center openings and certification processes.

Lead and develop a B2B sales team focused on new logo acquisition across the DACH region and international markets. Drive revenue growth and implement scalable GTM strategies.

Global Marketing Manager will develop and execute global event and direct marketing strategies, including monitoring KPIs and ROI. Leads global event marketing efforts in collaboration with regional marketing managers. Develops and cultivates cross-functional relationships within ShowHeroes and with external partners. Requires a marketing or business degree and 2-3 years of relevant experience.

The Chief Financial Officer will partner with the CEO and Management Team to drive growth and business performance. Responsibilities include business planning, performance management, due diligence, budgeting, financial reporting, and providing commercial analysis.

Lead Tech Strategist (f/m/d) Core Platforms in Energy Retail at E.ON Digital Technology. Develops technological capabilities to support business strategy and unlock value potential. Requires experience with CRM/Billing Platforms (e.g., SAP, Salesforce, Kraken) and a background in IT/Tech organizational transformation.

Experienced Senior Project Planner needed for data center projects in Berlin. Develop and manage schedules using Primavera P6, coordinate planning activities, track progress, and identify risks. Fluent German and English required.

Provides front desk support, manages daily operations, coordinates meetings, and offers administrative assistance to various departments.

English-speaking educator to teach in a mixed-age learning group, collaborating with a German educator. Responsibilities include language instruction, working with parents, and organization. Must have experience with the Montessori method and fluency in English and German.

Online Tutor (m/f/d) needed for personalized, one-to-one online lessons across all subjects. No teaching experience required.

PR Account Executive to execute impactful communications strategies for global tech brands. 1-2 years of agency experience required. Strong media relations, content creation, and client communication skills needed. Fluency in German and English essential.

The Max Planck Institute for Political and Social Science seeks a Postdoctoral Fellow to conduct research on the coexistence of violent orders and democracy. The project examines the relationship between political and economic institutions, political violence, and its consequences for political outcomes.

Experienced Warehouse Manager to lead day-to-day operations at a Berlin facility. Responsibilities include team leadership, process improvement, inventory management, and ensuring safety compliance.

PhD student to study microbial regulation of colorectal cancer development using mouse models, organoids, and sequencing technologies.

Senior Sales Trader sought for a leading energy and environmental commodities trading house. Focus on biomethane, renewable gas, and transport related environmental products in the DACH region. Drive commercial growth, originate new business, and manage key client relationships.

Designs, develops, and integrates broadcast and event systems with a focus on drones and 5G technology. Plans and deploys drone systems, camera systems, and 5G technology in complex technical environments. Creates technical concepts and specifications for drone deployments. Collaborates with development teams, project management, and clients to implement innovative solutions. Analyzes existing systems and drives the adoption of innovative technologies. Optimizes system architectures to ensure performance, scalability, and reliability.

Experienced Construction Manager needed for a 6-month battery energy storage system (BESS) project in North Rhine-Westphalia, Germany. Manage budgets, schedules, risks, and multidisciplinary teams. Lead construction and ensure stakeholder communication. Proven BESS or renewable energy project experience required.

The Senior Service Manager independently manages and develops the Service Management process, focusing on email frontend services and mobile device access. Responsibilities include optimizing service processes, leading a virtual team, and managing stakeholder communication.

Designs, builds, and owns SAIZ's enterprise operating model, including onboarding, value delivery, account maturity, and expansion. Leads strategic accounts, identifies patterns, and translates customer insights into scalable processes and frameworks. Builds systems that scale without losing quality or depth.