javascript English-speaking jobs in Bielefeld

BBC Cellpack is seeking motivated individuals for a 3-year apprenticeship as an Industrial Clerk. Applicants must have at least a secondary school diploma (Realschule, business school). Graduates with a technical college entrance qualification or a high school diploma (Abitur) are also encouraged to apply.

Internship (6 months) transitioning to a Master's thesis (max. 6 months) focusing on the development and characterization of novel electrochemical enzyme biosensors for medical devices.

Ad Creative Specialist for a fast-growing global pet brand. Develop and iterate ad creative for all platforms. Proven track record of successful D2C ad campaigns required. Portfolio demonstrating results essential.

Senior Solution Architect needed for a distributed multi-brand energy management system. Requires 7+ years experience in complex software development, distributed IoT systems, and cloud technologies. Must have strong integration skills and experience with DevOps.

Lead the technical performance strategy for DHL's European aircraft fleet, ensuring safety, reliability, and operational efficiency. Manage maintenance planning, supplier relationships, and budget oversight. Drive performance improvement initiatives and ensure compliance with EASA Part-145 regulations.

Provide audit and non-audit services to clients executing transformational strategies, including IPOs, SOX compliance, and accounting standard transitions. Deliver technical accounting and US financial reporting advice, support audit teams, and provide training on audit standards and methodologies.

Leads and oversees regulatory affairs strategy and execution across Germany, Austria, and Switzerland, ensuring compliance with local and regional regulatory requirements. Provides strategic regulatory guidance for product registrations, renewals, variations, and lifecycle management. Serves as the senior regulatory escalation point for DACH Local Market Support. Partners with cross-functional stakeholders including Commercial, Quality, Supply Chain, Legal, and Global Regulatory Affairs. Monitors regulatory changes and assesses potential impacts to products, portfolios, and operations. Leads, coaches, and develops regulatory talent.

Trader responsible for pricing and executing foreign exchange and money market products for corporate and institutional clients. Builds customer relationships, develops solutions, and markets trading products. Requires experience in foreign exchange and interest rate products, strong communication skills, and fluency in Chinese and English.

Provides high-level administrative support to the Group CEO, managing complex international schedules, correspondence, and sensitive information. Ensures seamless daily operations and effective coordination within a fast-paced, global environment.

Electrical Engineer to ensure reliable and safe operation of site electrical infrastructure and power distribution systems. Will also act as the site's primary expert for the Energy Management System (EnMS) in accordance with DIN EN ISO 50001.

This Master's thesis investigates how to enrich Object-Centric Process Mining (OCPM) in Celonis with semantic information to improve explainability and scenario awareness in automotive production planning. The goal is to design, prototype, and evaluate a concept that links object-centric event data with version- and scenario-semantics, enabling better understanding of planning rationale.

Leads end-to-end Finance Operations and controllership across EMEA, ensuring timely and accurate financial reporting and a strong control environment. Drives large-scale Finance transformation initiatives, including process harmonization, automation, and AI implementation. Governs performance of GBS/Shared Services and leads international finance teams.

Senior oversight of counterparty credit risk (CCR) within a regulated broker-dealer legal entity. Provides senior-level approval and oversight of complex counterparty credit risk transactions. Drives strong CCR governance across the legal entity, including risk identification, challenge, escalation, and oversight of control effectiveness. Manages and monitors a diverse portfolio of counterparty exposures. Represents risk management in regulatory engagement, supervisory reviews, and internal/external audit interactions. Partners closely with Institutional Credit Management (ICM), Markets, Banking, and global CCR teams. Extensive experience in counterparty credit risk or credit risk within a global financial institution required. Strong understanding of CCR governance frameworks, including legal entity oversight, regulatory expectations, and audit/control environments. Proven experience engaging with regulatory frameworks such as MaRisk, KWG, and CRR. Demonstrated ability to operate at a senior approval authority level, exercising independent credit judgment on complex and time-sensitive transactions. Experience working within a regulated legal entity environment, including governance forums, regulatory engagement, and audit interactions. Experience operating at or near Senior Credit Officer (SCO) level, or a clear trajectory toward such responsibility. Strong stakeholder management skills, with the ability to influence across Markets, Banking, Institutional Credit Management (

Manage the Executive Offices for the CCO, COO, and CTO, providing comprehensive administrative, meeting, and correspondence support. Coordinate complex travel arrangements, organize high-level meetings and events, and act as a strategic gatekeeper.

Medical Scientific Liaison for Rare Diseases / Liver will build relationships with medical and scientific experts, provide scientific education, and support clinical development. Requires an advanced scientific degree, previous MSL experience, and expertise in Rare Diseases / Liver. Fluency in German and English is required.

System and software test engineer to join a team focused on silicon photonics testing. Responsibilities include designing, implementing, debugging, and executing manual and automated tests for silicon photonics test equipment. Collaborate with development teams in Germany, China, and Japan. Bachelor's or Master's degree in Electrical Engineering, Computer Science, or a related field required. Experience in software and system testing, especially test automation and exploratory testing, is necessary. Good understanding of digital electronics and optical communication, Java programming language, and Linux operating system are also required.

Interim Tax Director to lead and manage a tax team, providing guidance and direction on compliance and advisory matters. Requires 15+ years of tax experience, including 10 years in Big 4 or equivalent, with expertise in corporate tax, transfer pricing, M&A, and complex audits.

As an Investment Valuation Manager / Associate, you will provide valuation expertise for renewable energy assets across their lifecycle, supporting investment decisions and collaborating with stakeholders. You will refine valuation methodologies, financial models, and best practices, ensuring data-driven investment strategies.

As an Onboarding Specialist, you will guide healthcare professionals through the adoption of AlfaDocs software, providing training, managing projects, and ensuring successful implementation. You will collaborate with various teams to deliver a seamless customer experience and act as the voice of the customer, sharing insights to improve the product and onboarding process.

Drive new client acquisition and revenue growth for NTT DATA. Lead the development and execution of sales strategies, build C-suite relationships, and negotiate multi-year deals. Leverage deep industry knowledge and technology expertise to deliver exceptional client outcomes.