backend developer English-speaking jobs in Oberhausen

Support DACH sales teams with deep DEX expertise. Identify opportunities, run discovery, position TeamViewer's DEX value, and accelerate revenue. Coach sellers, support customer engagements, and shape Proof of Value (PoV) cycles.

Experienced HR Business Partner needed for GESTRA Germany's Supply organization in Bremen. Drive HR initiatives, promote employee relations, and contribute to a high-performance culture. Partner with Supply leadership, support talent development, and advise on employee relations matters.

Execute complex threat intelligence engagements and projects independently, acting as a trusted advisor to clients. Manage stakeholder relationships, lead discussions with technical and executive audiences, and deliver high-quality threat intelligence services. Support junior team members and contribute to the professional growth of the Threat Intelligence team.

Freelance AI trainer needed to design and develop computational biology problems requiring Python programming. Must have a biology degree, Python proficiency, and experience with biological data analysis and algorithms.

Develop and execute a three-year Foods channel strategy for major retail groups and value-channel customers. Lead Key Account Managers in sales analyses and joint business plan creation. Drive revenue, profit, and market share targets for assigned customers.

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.

Critical Software seeks a visionary CTO to lead technology strategy and innovation, driving AI adoption and ensuring a position at the forefront of mission-critical software engineering. The CTO will define and lead the company's global technology vision, strategy, and roadmap, including AI transformation. This role requires 15+ years of technology leadership experience, deep expertise in software engineering, architecture, and multi-domain technology environments, and proven success driving large-scale digital transformation and AI adoption.

Supports the preparation of the Group's external financial reports, including annual and interim financial statements, the management report, and regulatory filings. Ensures accurate and IFRS-compliant reporting outputs. Contributes to preparing notes and disclosures, performing consistency checks, and reviewing reporting content. Collaborates with external auditors and colleagues from various departments to ensure consistent messaging and high-quality external reporting deliverables.

Account Executive will develop business opportunities with customers, analyze needs, and coordinate solutions. Requires a motivated, customer-focused sales professional with experience managing accounts and excellent communication skills.

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.

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.

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.

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.

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.

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.

Associate to join the Debt Structuring & Portfolio Management team, focusing on infrastructure and private debt. Support deal teams in structuring new investments, manage existing portfolios, and prepare investor reports. Requires a degree in a relevant field and at least three years of experience in infrastructure debt/project finance or structured finance.

Leads group for clinical trials and development programs in functional gastrointestinal and gastrointestinal motility disorders. Responsible for clinical development strategy and scientific integrity of trials. Collaborates with cross-functional teams and stakeholders.

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

The Director of Business Development is responsible for achieving sales objectives in designated geographic markets. This role identifies customer needs, develops solutions, and obtains customer commitment. The position requires 8+ years of sales experience with at least 5+ years in sales management or equivalent.

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.