freelance English-speaking jobs in Bielefeld

Director Corporate Communication & PR serves as a strategic advisor to the CEO on messaging and reputation. This role defines and executes global communication strategy, manages PR partnerships, and leads corporate reporting.

Client Director role managing global accounts in digital experience and technology. Responsibilities include driving client success, expanding sales volume, and leading internal teams. Requires experience with large budgets and strong strategic advisory skills.

Senior Commercial Director needed to lead proposal and negotiation strategy for the Mining, Energy, and Infrastructure sectors. Requires extensive commercial contracting experience and strong business acumen. Fluent in English and German is required.

Director Medical Innovation & Liaison Pharma shapes the global injectable and IV portfolio. This role combines Medical Affairs leadership with innovation scouting, evaluating generics and drug repurposing opportunities. Requires advanced degree and 6+ years in pharma Medical Affairs.

Lead and transform regional Manufacturing Engineering across Germany and the Netherlands. Drive automation strategy, industrial engineering standards, CAPEX execution, and manufacturing transformation initiatives. Requires technical degree and extensive leadership experience.

Define digital processor architecture for next-gen photonic AI systems. Own CPU/SoC microarchitecture, high-speed interfaces, and low-power optimization while collaborating with an ASIC partner.

Assume strategic and operational leadership for the international Service & Support organization of the EPG ONETM Software Suite. Develop growth strategy, enhance the service portfolio, and manage P&L.

Senior Full-Stack Developer needed to build innovative applications using Java and JavaScript. Responsibilities include owning software architecture, mentoring staff, and collaborating in agile projects. Requires experience with large-scale projects and modern web technologies.

Senior Solution Architect to partner with enterprise architects at financial institutions. Design target solution architectures integrating Taktile into complex core systems, focusing on security, compliance, and integration patterns. Requires 10+ years in enterprise architecture, deep AWS knowledge, and experience with legacy systems.

Principal Solutions Engineer to serve as the top field expert in application and cloud-native security. This role requires deep knowledge of cloud architecture, Kubernetes, AppSec, and coding proficiency, with full professional fluency in German.

Shape the technical vision for an intelligent edge platform reducing food loss. Define architecture, design components in Rust/Go, and guide distributed systems. Requires 8+ years experience with Rust/Go and edge computing expertise.

Principal AI Architect designs complex AI ecosystems, advising clients on GenAI, Agents, and MLOps. Requires advanced degree, Python/cloud expertise, and C1/C2 German fluency.

Board-certified Psychiatrist needed to evaluate LLM reasoning on advanced cases. Develop expert diagnostic challenges and provide gold-standard answers. Requires MD/DO, active board certification, and 3+ years of independent practice.

Sales Director for Electric Aviation. Lead aircraft sales campaigns, negotiations, and contract drafting. Manage the B2B sales pipeline and represent the company externally. Requires 5+ years of aviation sales experience.

Lead the build-out and scaling of a digital retail investing platform in Germany. This role owns strategy, commercial performance, and regulatory engagement within a highly regulated environment. Requires deep knowledge of German/EU frameworks and strong commercial acumen.

Design, train, and deploy ML/LLM models for catalogue enrichment and moderation at scale. Build agentic AI systems and evaluation infrastructure. Requires experience shipping production ML systems and fine-tuning open-weight models.

Director Real World Evidence Scientist in Oncology will own and drive the end-to-end RWE strategy for complex oncology programs. This role defines RWE integration into clinical and regulatory strategies, overseeing non-interventional studies.

Lead the Finance & Spend Management sales team for Consumer industries, driving net booking targets and solution adoption. Requires 5+ years in SAP solutions/cloud sales, strong leadership, and fluency in English and German.

Head of Growth to own the end-to-end GTM strategy, from pipeline generation to closing enterprise deals. Requires 3+ years in B2B growth/SaaS, proven enterprise sales success, and hands-on execution.

Build and run a manufacturing system to scale from prototype to serial production. Own architecture, team, and performance, implementing Lean and driving KPIs like OEE. Requires 5+ years leading complex manufacturing teams.