frontend English-speaking jobs in Jena

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

Provides dedicated customer service and problem resolution for assigned clients. Manages customer relationships, processes shipment requests, and mentors customer service agents. Responds to customer inquiries, resolves complaints, and collaborates with internal teams to meet client needs.

Leads local and global IT projects, primarily in data center operations, SAP Application Management Services, and system migrations. Manages project budgets, timelines, deliverables, and quality. Guides and supports project team members. Requires a degree in computer science, IT, or a related field and several years of experience managing IT projects, ideally with SAP involvement.

Join the TRATON Global Trainee Program starting September 1st, 2026, and contribute to the strategic transformation and operational excellence of TRATON GROUP's Labour Relations organization.

Account Manager to expand Combient Foundry's footprint in the DACH region. Develop and manage member portfolio, orchestrating venture-client cycles from needs identification to scale. Align stakeholders, connect corporates with startups, and ensure measurable business impact. Requires 3+ years of project/program management experience, strong communication skills, and native-level German fluency.

As a Junior Product Designer, you will design and develop on-trend products across multiple categories, including Deco, Tabletop, Kids, and Bathroom. You will collaborate with cross-functional teams and conduct trend research to support collection building.

Leads strategic partnerships with software companies to optimize products with Ubuntu and Canonical software. Develops joint product roadmaps, go-to-market plans, and content. Drives Ubuntu adoption within partner accounts and advocates for its benefits.

The Director Digital Cement Operations will lead Heidelberg Materials' digital cement strategy, translating operational priorities into scalable solutions and ensuring measurable value creation. The role bridges Digital and the Competence Center Cement, driving the global rollout of digital solutions and overseeing product portfolio decisions.

As a Data Scientist on the AI Search team, you will develop and implement algorithms to enhance hotel search ranking and relevance across 35+ languages and 55 countries. You will analyze large datasets, design scalable search architectures, and collaborate with cross-functional teams to improve user experience.

Founding Engineer to join a small team building a European cloud platform on bare metal hardware. Design, operate, and improve the full stack: compute, Kubernetes, storage, and networking. Write Go and Rust code, mentor a junior engineer, and own production infrastructure.

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.

Support and optimize the full recruitment lifecycle, from sourcing to onboarding. Manage core HR operations, including employment contracts and payroll coordination. Serve as a point of contact for the team and external partners.

Senior Risk Engineer specializing in gas turbines for power plants. Provides risk assessment, mitigation, and loss control expertise to Allianz underwriting and clients. Develops risk management programs, conducts site surveys, and tracks technological advancements. Requires a Master's degree in mechanical engineering and 5+ years of experience in the power industry. Fluent German and English required.

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.

As a Service Manager, you will be the central contact person and project manager for service support (incident and problem management) for global air traffic control and airport customers. You will ensure timely analysis and rectification of faults in customer systems and advise customers on technical matters.

Support the Sales team in driving strategic initiatives, optimizing processes, and identifying growth opportunities. Conduct market research, translate business questions into data analyses, and prepare materials for client presentations. Collaborate with internal stakeholders to design and deliver new verticals and expansion opportunities.

This role involves checking financial documents for accuracy, organizing records, and preparing financial reports. Responsibilities include recording financial information, classifying and summarizing data, and reconciling accounts. The position requires adherence to company policies and procedures, as well as clear communication and teamwork.

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

Design and implement SAP finance solutions for METRO's upgrade to SAP S/4HANA. Focus on General Ledger, Statutory Reporting, Subledgers, and ensuring solutions align with global standards and best practices.

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.