backend developer English-speaking jobs in Leverkusen

As Senior Business Development Manager Western Europe, you will drive the international expansion of Encavis' renewable energy portfolio. You will define and execute market entry strategies for utility-scale Solar PV, Wind, and BESS projects, aiming for at least 500 MW COD per market. You will lead portfolio acquisition processes, manage partnerships, and represent the company in target countries.

PhD position in Pediatric Hematology and Experimental Oncology. Research will focus on optimizing existing cancer treatments and developing new therapeutic approaches for children. Requires a Master's degree in a relevant field and experience with cell culture, molecular biology, and biochemical methods.

Learn to manufacture molds, work with CNC machine tools, and understand materials science in this apprenticeship.

Guest Arrival Experts provide a memorable experience for guests during arrival and departure. They process operational needs, address guest requests, and share local area information.

Phorms Education is seeking a Physical Education Teacher for their bilingual primary school in Berlin Steglitz-Zehlendorf to plan and deliver competence-oriented sports lessons starting in August 2026.

Leads group for clinical trials and development programs in functional gastrointestinal and gastrointestinal motility disorders. Responsible for clinical development strategy and scientific integrity of trials. Collaborates with cross-functional teams and stakeholders.

Lead the end-to-end deployment of Takeda's S/4HANA process model at the Oranienburg site, ensuring readiness, compliance, stable operations, and uninterrupted supply. Manage risks, issues, dependencies, and business continuity. Drive change, communication, and training efforts. Partner with Site Leadership, OpU, GSQ, DD&T, and Global Process Experts. Secure and coordinate SMEs for design, testing, data, and cutover. Ensure master data quality and readiness for validation and migration. Plan and safeguard cutover with strong contingency measures. Maintain manufacturing and quality stability during transition.

LANXESS seeks a driven Account Manager to manage and grow the industrial lubricants business, focusing on the ANDEROL® product portfolio. The role involves distributor management, OEM collaboration, and technical/commercial solution selling.

Drive the strategic professionalization and harmonization of the field sales organization across all subsidiaries. Define, formalize, and communicate global standards and frameworks for field sales tasks. Conceptualize and drive strategic productivity improvement initiatives to enhance field sales efficiency. Collaborate with HR to define role profiles, training requirements, and career paths in field sales. Lead and/or contribute to global sales projects and initiatives.

Freelance SAP Retail Solution Architect needed for a large-scale S/4HANA transformation program in the fashion/apparel sector. Focus on end-to-end solution design across supply chain and master data.

Senior Business Development Manager will drive commercial performance of consumer financing and private leasing. Responsibilities include designing and optimizing financial products, leading process implementation, and collaborating with cross-functional teams to launch new customer solutions. Requires 3+ years of experience in car credit and/or private leasing, strong analytical skills, and proficiency in Excel and English.

Sales Representative fluent in German and English to promote energy audit services and drive sales growth in the German-speaking market.

Develop and execute the global product compliance strategy, ensuring harmonized practices while adapting to regional requirements. Identify and mitigate compliance risks, lead a global network of compliance professionals, and drive continuous improvement initiatives.

Account Executive will develop business opportunities with customers, analyze needs, and coordinate solutions. Requires a motivated, customer-focused sales professional with experience managing accounts and excellent communication skills.

Collect and validate in-store data for grocery retailers using a handheld device. Responsibilities include data capture, imagery, and survey completion. Requires fluency in English, app proficiency, and the ability to work independently. Travel to assigned retail locations is required.

The Private Bank Deposits Team seeks a Vice President to manage daily deposit business operations, including risk and analytics, client and product strategy, and business management. This role involves pricing and risk analytics, business planning, performance monitoring, competitor analysis, and developing deposit policies and procedures.

Experienced Workday HCM Consultant to lead and support large-scale Workday-enabled HR transformations. Configure and optimize Workday HCM modules, translate business requirements into solution design, and facilitate workshops.

Trade Compliance Expert (m/f/d) will ensure Advantest meets import and export compliance regulations. Provides support and guidance to Advantest sites on international import/export compliance management, licenses, training, auditing, and process improvements.

Assist hardware development for 5G applications. Support RF measurements, performance evaluation, and test automation. Enrolled student in electrical engineering with RF knowledge and programming skills.

Strategic European Brand Manager to lead the PPE portfolio, shaping strategy, driving growth, and leading market assessments. Develops marketing campaigns, manages product lifecycle, and collaborates with stakeholders across Europe. Requires 8+ years of experience in medical devices, marketing, or commercial roles with a proven track record of success in multiple European markets.