javascript English-speaking jobs in Schleswig-Holstein

Experienced systems engineers are needed to build and lead operations and development teams for the European Sovereign Cloud (ESC). Responsibilities include overseeing the launch of the ESC in 2025, collaborating with global AWS teams, and ensuring high availability, reliability, latency, performance, and efficiency of ESC services.

Senior Software Engineer to design, develop, and maintain APIs connecting Mastercard's platform to European banks and financial institutions. Experience with .NET, Java, and cloud-agnostic microservices architecture required.

Investment Associate for a leading DACH private equity firm specializing in acquiring and transforming "Mittelstand" companies. Focus on deal structuring, operational value creation, and full-cycle transactions. Requires 1-4 years of Investment Banking (M&A/Leveraged Finance) experience, strong financial modeling skills, and fluency in German and English.

European Procurement Lead for a global hospitality organization. Implement and leverage global procurement strategy, supply chain strategy, and supplier relations. Lead regional procurement strategy where needed, with a focus on FM and IT procurement.

Software Strategic Sourcing Advisor with 7+ years of experience in cloud and on-premise software negotiations, cost modeling, and vendor analysis. Leads projects for mid-size to large software sourcing engagements. Requires expertise in SAP or Microsoft, strong quantitative analysis skills, and the ability to structure and lead negotiations.

Senior executive role shaping and winning large, complex managed IT and business process services engagements in Germany. Leads deal strategy, solution design, and global collaboration. Requires extensive experience in business engineering, strategic deal shaping, and large-scale solution design within IT consulting, managed services, or business process services.

As an HR Partner, you will support employees throughout their lifecycle, from onboarding to offboarding. You will develop and implement HR solutions, shape learning & development initiatives, and contribute to the implementation of a modern HRIS tool.

Supports the implementation of Lean Design and Lean Construction methods across project phases using PPM, LPS, and Exyte software. Trains project team members on Lean Construction tools and software. Contributes to the continuous improvement of Lean tools and methods.

This role supports the operation and maintenance of AWS data center infrastructure. Responsibilities include troubleshooting electrical and mechanical equipment, ensuring safety standards, and supervising technicians.

Consumer Technical Insights Research Engineer will design, execute, and analyze consumer research to inform product innovation and development for European markets.

Lead revenue strategy and growth for reev, a market leader in intelligent charging infrastructure. Own the entire revenue journey, from new business and partnerships to customer success across DACH, France, and Benelux. Build and manage a high-performance team to achieve ambitious revenue targets and make reev the market leader for charging and energy.

Internship in Data Science Finance supporting global finance team. Develop data pipelines, BI products, and automation solutions. Expertise in RPA, bots, data governance, and programming required. Collaborate with stakeholders across functions and geographies.

PhD position in machine learning and computer simulations for materials and process design. Develop machine learning models to enhance or replace computational engineering methods.

Intern (m|f|d) - Research & Development - Stock Preparation supports research and development projects in sustainable and efficient paper production. Responsibilities include developing and evaluating test rigs, planning and conducting experiments, and supporting external trials.

High Touch executive search seeks ambitious professionals to open a new office in Germany. This opportunity is for individuals with 5-10+ years of corporate experience and entrepreneurial drive to build a business focused on food- and agribusiness recruitment.

Freelance UAT coordinator needed for retail payment solution testing. Plan, coordinate, and facilitate user testing and onboarding. Five+ years experience executing retail payment solution testing by external parties required.

Stranger Soccer seeks a passionate football entrepreneur to open and operate their business in Frankfurt. The License Owner will build and lead a team, secure game venues, and manage marketing and sales to grow the platform.

Country Sales Manager responsible for developing and coordinating sales networks, acquiring new sales channels, and building customer relationships. Requires fluency in English and/or German, sales experience, and strong communication skills.

Research Assistant (m/f/d) Translational Assay Development will plan, execute, and evaluate laboratory experiments. The role contributes to transferring molecular biology methods from research to routine application and develops standardized sample processing protocols.

ISCC is seeking a Software Engineer – Full Stack to design, develop, and maintain full-stack applications, web services, and REST APIs. Responsibilities include implementing and integrating applications with external systems, automating workflows, and creating technical documentation. The ideal candidate will have a university degree in computer science or a related field, at least 2 years of experience as a full-stack software engineer, and strong proficiency in Go, JavaScript/TypeScript, and Python.