javascript English-speaking jobs in Bielefeld

Senior Construction Manager to lead the execution of utility-scale renewable energy projects from financial close to commissioning. Responsibilities include contract negotiation, on-site construction management, risk assessment, and claims resolution. Requires proven experience in renewable energy construction management, strong commercial acumen, and fluency in German and English.

Qualified Architect to join Frankfurt team, specializing in large-scale data center projects across Europe. Minimum 3 years post-qualification experience, strong design skills, Revit proficiency, and fluency in German and English required.

Site Administrator needed to support project team in Dresden. Responsibilities include managing labor records, attendance, documentation, and general administrative flow. Must be fluent in English and German.

The Faculty of Forest Sciences and Forest Ecology at the University of Göttingen seeks an internationally experienced researcher to prepare and submit a funding proposal for an ERC grant or the Emmy Noether programme. The three-year, fully funded position offers the opportunity to conduct research, engage in scientific exchange, and benefit from the faculty's technical infrastructure and collaborative atmosphere. Applicants must have a PhD in a field relevant to forest sciences and be eligible to apply for an ERC Starting Grant or the Emmy Noether Programme within two years.

Expansion Manager to secure locations for EV charging stations across Germany. Manage the full process from search to agreement signing. Native German and Fluent English required. 3 years of relevant experience, ideally in commercial real estate.

Legal Associate to support contract management, legal research, regulatory compliance, and risk management. Requires a German law degree (1st or 2nd State Examination) or comparable qualification, initial practical experience, and fluency in English.

Senior HR Manager (m/f/d) will lead HR strategy and processes for DACH, UK & Nordics ( ~ 220 employees). Responsibilities include managing recruitment, performance management, employee relations, and ensuring compliance with labor law. Requires 7-10 years of experience in international corporate environments, minimum 5 years in a similar HR role, and strong knowledge of German labor law.

TT-Line seeks an IT Network & Server Administrator to administer, operate, and optimize network, server, and cloud infrastructure. Responsibilities include configuring, monitoring, and troubleshooting network devices, managing Windows Server, Active Directory, and cloud services, and providing on-site and remote support.

Delivery Lead supports multiple customer engagements, ensuring successful project outcomes. Manages customer relationships, consultant onboarding/offboarding, and project documentation. Conducts regular checkpoints, monitors project status, and resolves issues. Requires 2+ years of IT experience, strong communication skills (English and German), and project management experience.

The Head of Audit will lead the Internal Audit function, ensuring robust governance, risk management, and independent assurance across the organization. This role provides independent challenge and insight, supporting the bank in maintaining strong controls and meeting regulatory expectations.

Leapsome seeks a Head of Growth & Lifecycle to lead the strategy and execution of our global demand engine. This role is responsible for Sales Accepted Opportunities (SAOs), qualified pipeline, and customer expansion revenue. The ideal candidate will architect an AI-augmented growth engine, own the revenue and pipeline mandate, and design market-focused go-to-market strategies.

Senior Project Developer leads origination and early-stage development of solar, BESS, onshore wind, and data center projects in Germany. Manages zoning and permitting, builds relationships with stakeholders, and supports grid connection strategy. Requires 2-7 years of experience in renewable energy project development and fluency in German.

Develop and evaluate AI systems based on Large Language Models (LLMs), Vision-Language Models (VLMs), and multimodal foundation models. Design agentic workflows that automate complex image analysis tasks.

Senior Technical Project Manager for embedded system projects in the rail industry. Designs, plans, schedules, and manages projects from bid phase to commissioning. Requires experience with embedded systems, hardware/software development, and project management. Fluency in English and German is essential.

The Faculty of Forest Sciences and Forest Ecology at the University of Göttingen seeks excellent early career researchers to prepare and conduct their next research project. The Forst-Talent Program offers a fully-funded three-year position to prepare and submit a funding proposal for an ERC grant or the Emmy Noether programme. The successful candidate will have a PhD in a field relevant to forest sciences and be eligible to apply for an ERC Starting Grant or the Emmy Noether Programme.

Drives end-to-end acquisition process for a fast-growing European vehicle services platform in Germany and the Netherlands.

The Payroll Specialist DACH will coordinate monthly payroll for German entities and support Austrian employees. Responsibilities include submitting payroll changes, liaising with the payroll provider, and generating reports. Experience with German payroll processing and DACH employment law is required.

Leads the HR function across Germany, Switzerland, and Austria, acting as a strategic partner to senior business leaders. Develops and implements regional HR strategy, manages the full HR lifecycle, and oversees recruitment, performance management, and employee relations.

Medical Directors provide medical, scientific, and strategic leadership for clinical trials. Responsibilities include study design, protocol development, safety management, and contributing to study reports and regulatory documents. Must have an M.D. degree, prior clinical trial research experience, and may require board certification and licensure.

As a Communicator and Community Manager in the Identity & Access Management (IAM) team, you will create content, organize events, and engage with internal communities. You will support the production of tutorial videos and leverage AI tools for content creation.