backend developer English-speaking jobs in Leverkusen

Experienced Electrical Project Manager needed for a flagship offshore wind project in the German Baltic Sea. Lead delivery of electrical systems including cables, substations, and grid infrastructure. Manage contractors, budgets, and risks.

The Leippe Lab at the University of Würzburg seeks a postdoctoral researcher to drive a discovery cycle in membrane transporter biochemistry. The successful candidate will run functional-genomics screens and perform biochemistry to validate hits. Experience in protein biochemistry, expression, purification, and in vitro assays is essential.

Senior Product Manager to own the agent-facing side of the Immowelt marketplace, focusing on lead management, messaging, and mobile tooling. Responsibilities include roadmap execution, legacy tool migration, and user discovery. Requires 3+ years of product management experience, ideally in B2B SaaS, marketplaces, or PropTech. Must be fluent in German (B2 level or above) and English.

Lead the end-to-end delivery of complex GenAI, Agentic AI, and ML transformation programs across enterprise environments. Work directly with customers to design, implement, and operationalize AI solutions, bridging technical implementation and business outcomes.

Manages warehousing quality control, standardizes processes, and improves efficiency. Develops and implements quality control strategies, ensures compliance with standards, and reduces error rates. Supervises on-site operations, identifies risks, and promotes cross-departmental collaboration.

Experienced Head of Value Creation sought for project-based engagements with PE/VC-backed B2B SaaS, Software, and Services companies. Drive growth, profitability, and operational performance improvements. Proven track record of leading complex initiatives with measurable business impact. Fluency in English required.

Leads and develops the Product Operations organization, overseeing quality-related processes, complaints, recalls, and risk management. Manages a team of 50 science specialists, ensuring compliance with global regulations and driving process improvement initiatives. Requires a Master's degree in a relevant field and 10+ years of pharmaceutical industry experience, including 8+ years of cross-functional leadership.

Global Category Manager for IT & Consulting needed at ALTANA.

Drever International S.A. seeks a Piping Coordinator to coordinate fluid system design for industrial projects, ensuring efficient communication and execution across stakeholders.

The Retail France Collections team is seeking a team member to reach out to delinquent customers via phone and email, utilizing research and negotiation skills to find optimal solutions.

Solutions Engineer will partner with Account Executives to secure technical and commercial wins for DACH customers. Develop product expertise, deliver demos, and coordinate RFP responses. Must have strong German and English fluency and experience in SaaS sales cycles.

Senior Technical Consultant with 3+ years of experience configuring and implementing ServiceNow or comparable CRM platforms (e.g., Salesforce). Experience in CSM, FSM, or SOM required. Solid technical skills including XML, HTML, JavaScript, Web Services, and CSS. Ability to translate requirements into technical solutions. Fluent English and German required.

Electrical Engineer to oversee site electrical infrastructure and power distribution systems. Will also act as Site Energy Manager, leading the Energy Management System (EnMS) in accordance with DIN EN ISO 50001.

Master's thesis in chemistry/molecular science focusing on developing ion-selective membranes for sensory applications. The project involves designing, characterizing, and analyzing membranes for electrochemical measurements and structural analysis.

Working student will contribute to the development of the Zone controller platform for MB.OS vehicle architectures. Tasks include identifying AI use cases, creating proof of concepts, and bridging the gap between requirements, test strategy, and test reporting.

Leads large-scale Agile transformations for a strategic customer in Germany. Drives program transitions from traditional to Agile delivery models and aligns processes with modern digital/embedded technologies. Manages complex programs across multiple geographies and collaborates with cross-functional teams.

Leads the end-to-end delivery strategy for Clearwater's SaaS platform across Germany, Austria, and Switzerland. Builds and scales a team of implementation professionals, ensuring client success and driving operational excellence.

The Republic of the Marshall Islands Investigations department seeks an experienced Marine Investigator to lead complex investigations of marine casualties involving Marshall Islands-registered vessels. Responsibilities include identifying root causes, developing safety recommendations, and producing reports aligned with international standards.

Leads and executes national and international real estate transactions across EMEA, including acquisitions, disposals, lease negotiations, and property valuations. Manages and coordinates cross-regional real estate projects, focusing on headquarters requirements. Negotiates commercial, lease, purchase, and service agreements, conducts financial analyses and property valuations, and prepares decision papers for senior management. Ensures high-quality real estate data management, maintains reporting and portfolio documentation, and monitors KPIs.

The Global Clearing Product Director will lead the EUR Clearing product strategy, development, and execution, driving revenue and market share growth. This role requires strong product management experience in the payments industry, strategic thinking, and the ability to manage complex initiatives.