software tester English-speaking jobs in Bielefeld

Sales Representative fluent in German and English to promote energy audit services and drive sales growth in the German-speaking market.

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.

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.

Principal Consultant – Underground Operations will diagnose operational challenges, analyze production data, and implement solutions to improve underground mining operations. Requires 15-20 years of experience in underground mining operations, mine engineering, or operational improvement roles.

Intern will support corporate development projects, conduct competitor analysis, and prepare presentations for the Board of Management.

Lead the design, development, and optimization of innovative low-voltage cable accessories (up to 1 kV) with a team of three.

Drive sales and manage customer relationships in the construction industry. Manage and grow customer platforms, focusing on high-potential customers. Promote Berner as a premium brand and handle objections, delivery, and quality claims. Analyze sales area KPIs and report to superiors. Collaborate with the sales team to achieve performance goals.

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. The ideal candidate has proven sales experience, fluency in German (C1+), and strong communication skills.

Creates, edits, and reviews technical documents ensuring compliance with standards and regulations. Utilizes SCHEMA ST4, SolidWorks Composer, and Adobe Creative Cloud. Researches technical information, plans documentation projects, and collaborates with cross-functional teams.

The Friedrich Schiller University Jena seeks a Group Leader for Electron Microscopy to lead a core facility, conduct research, supervise staff, and secure funding.

Develop and execute the global product compliance strategy, ensuring harmonized practices while adapting to regional requirements. Identify and mitigate compliance risks, lead a global network of compliance professionals, and drive continuous improvement initiatives.

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.

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.

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.

LANXESS seeks a driven Account Manager to manage and grow the industrial lubricants business, focusing on the ANDEROL® product portfolio. The role involves distributor management, OEM collaboration, and technical/commercial solution selling.

As a Partner Solutions Architect on the Applied AI team, you will cultivate technical relationships with Global and Regional System Integrators (GSIs/RSIs), and cloud partners (AWS and GCP). You will strengthen relationships to accelerate indirect revenue, enable their AI practices, and execute on long-term GTM strategy. Responsibilities include: strategic technical partnership, joint solution development, customer deal support, partner ecosystem & events, and product feedback.

Develop and program PLC control systems for wafer processing tools. Integrate sensors, actuators, and fieldbus systems. Implement SECS/GEM or OPC UA interfaces for MES/ERP connectivity.

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.

The Siemens Finance Excellence Program is a 24-month program with three tailored assignments across finance functions. Participants will gain global experience, work on complex projects, and develop expertise in areas such as business planning, performance monitoring, and data analytics.

Support the European marketing team for the Beauty Care division, analyzing market data, conducting trend analysis, and steering projects.