backend developer English-speaking jobs in Bielefeld

Field Clinical Specialists provide clinical training on transcatheter heart valve technology to physicians and hospital staff. They will travel within an assigned territory, providing education on device handling, implantation, and troubleshooting. Responsibilities include case management, training curriculum development, and collaborating with cross-functional teams.

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.

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.

The Project Management Officer will support BAMF in designing, developing, and implementing projects. Responsibilities include conducting stakeholder analyses, developing project plans, managing risks, and coordinating project activities.

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.

Senior Account Executive will lead growth across EMEA, acquiring new corporate clients in the air, rail, and cruise industries. Responsibilities include developing a sales pipeline, building strategic partnerships, and consulting with potential customers on HRS Crew and Workforce Solutions.

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

Operates pilot plant equipment, conducts experiments, documents process parameters, and analyzes experimental data. Requires vocational training in a relevant field and experience with hazardous substances and powder processing.

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.

Service Technician (m/f/d) for Wind Turbines in Velen. You will carry out on-site servicing and maintenance of wind turbines, repair turbines, and resolve faults. You will analyze error messages, identify causes, and document work digitally.

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.

PhD position in machine learning and computer simulations for materials and process design. Develop machine learning models for clustering, classification, regression, and reinforcement tasks to enhance or replace computational engineering methods.

Amazon is seeking ambitious interns to support safety processes and operations at its Gera fulfillment center. Interns will assist with safety program development, risk assessments, accident investigations, and training initiatives.

Inbound Sales Representative will manage the full sales cycle for SumUp products in Switzerland and Austria. Responsibilities include qualifying leads, engaging prospects, delivering consultations, and meeting sales KPIs. Must have proven sales experience and fluency in German (C1+).

Quantitative Risk Management Specialist for international insurance subsidiaries. Analyze complex risk questions, support Solvency II reporting and internal risk models, and contribute to risk management improvements.

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.

Partner with a focus on SAP, responsible for business development, client leadership, and engagement oversight. Leads complex SAP programs, shapes growth strategy, and mentors a consulting team. Requires 10+ years of SAP consulting experience, leadership roles, and expertise in S/4HANA, Finance, Supply Chain, Data & Analytics, or industry-specific solutions.

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.

The Customer Account Manager III, Germany will report to the German Customer Service Manager and work closely with Sales and Commercial personnel to support sales objectives. This role will oversee operational and administrative processes for the Customer Service department and assist in developing a world-class customer experience model. The Customer Account Manager III will handle a variety of customer inquiries, provide logistics and personalized customer service, and represent Customer Service in inter-departmental meetings.

The Chair of Public Economics seeks a Graduate Research and Teaching Assistant for a fixed-term, 75% position. Responsibilities include conducting research on labor, population, and health economics, presenting findings at conferences, and teaching English-language courses.