freelance English-speaking jobs in Bielefeld

Intern in Human Resources at GIZ International Services will support the recruiting team in finding technical experts for international projects. Tasks include drafting job postings, sourcing candidates, assessing profiles, and preparing bid documents.

Senior Engineer responsible for the design, development, and technical improvement of harvesters. Leads technical problem solving, product optimization, and research on industry trends. Collaborates with cross-functional teams on system integration, testing, and production support.

Spencer West, a leading international law firm, seeks a Partner with 8+ years of post-qualification experience to run and grow their own practice within a supportive international environment.

The Head of Accounting will oversee the company's accounting function, ensuring accurate financial reporting under German GAAP (HGB) and collaborating with external partners. This role requires strong operational and process improvement skills, experience with SAP S/4HANA Public Cloud, and fluency in German and English.

The Junior Onboarding Analyst executes Know Your Customer (KYC) and Client Due Diligence (CDD) procedures for new clients. Responsibilities include reviewing client documentation, conducting risk assessments, and ensuring compliance with regulatory standards. The role requires fluency in English and German, proficiency in Microsoft Office Suite and Google Suite, and a strong understanding of KYC principles.

Associate to join the Debt Structuring & Portfolio Management team, focusing on infrastructure and private debt. Support deal structuring, manage existing investments, and prepare investor reports. Requires a degree in a relevant field and at least three years of experience in infrastructure debt/project finance/structure finance. Strong German and English language skills are essential.

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.

Senior Account Executive responsible for leading all facets of strategic service provider accounts, including Deutsche Telekom and T-Systems International. Focuses on generating revenue, identifying business opportunities, and maintaining relationships at a high executive level. Requires specialized knowledge of networking products, service provider infrastructure, and managed service provider ecosystems.

Senior SOAR Software Engineer will integrate SOC systems, develop automation solutions, and support the introduction of platform technologies. Requires a university degree in IT, several years of relevant experience, and proficiency in Bash, JavaScript, and Go. Fluency in German and English is mandatory.

Act as a financial business partner for the Dairy Category, providing insights and driving data-driven decisions. Ensure accurate month-end closings, own the forecasting process, and support finance transformation.

Security Operations Engineer will design, improve, and implement security processes and tools, including SIEM, threat intelligence, and vulnerability management. Responsibilities include leading incident response, automating workflows, performing technical analysis, and participating in on-call rotations. Expertise in security operations tools and processes, networks, and operating systems is required.

Senior UI Framework Engineer to build frameworks for Apple Vision Pro, a revolutionary spatial computer. Develop intuitive and privacy-compliant interactions on Apple's spatial computing platform using Swift, Objective-C, and C++. Collaborate with designers and software teams to solve challenging problems.

Nachhilfeunterricht seeks motivated tutors (m/w/d) to teach students online or in person across Germany. Teach subjects you are confident in and enjoy, adapting lessons to individual student needs. Strong knowledge in at least one subject and a passion for teaching are required.

Account Manager to grow and manage distribution business for industrial lubricants. Develop and execute sales strategies, collaborate with OEMs, and provide technical support. Requires 10+ years of relevant sales experience, including distributor management, and fluency in English and German.

Financial Accountant needed to build and scale financial operations for a fast-growing security and compliance tech company. Responsibilities include managing key accounting processes, supporting month-end closing activities, and contributing to financial statement preparation. Must have strong German GAAP and tax law knowledge, 3+ years of accounting experience, and excellent communication skills.

PhD candidate in physics to design and realize a STED microscope for materials science applications. Will develop acquisition protocols, analyze data, and collaborate with project partners.

Driven Sales Manager with 5+ years B2B experience in injection moulding or related industries sought to identify new business opportunities, build customer relationships, and present solutions. Fluent in German and English, strong communication and presentation skills required.

Lead technical architect for complex Genesys Cloud projects, ensuring high-quality solution delivery for enterprise customers. Configure, integrate, and deploy solutions, provide technical mentorship, and collaborate with project managers.

Provides operational and coordination support to the Executive Office, managing calendars, handling stakeholder communication, and overseeing document processing. Coordinates travel arrangements, event logistics, and expense reports. Requires 2-3 years of experience in a similar role and fluency in German and English.

Production Test Pilot will conduct production and certification test flights, customer handover flights, and ferry flights. Requires EASA ATPL(H) or CPL(H), IFR, Flight Test Rating Category 1 or 2, Class 1 Medical, 1500 total flight hours, 1000 PIC hours, 1000 turbine helicopter hours, and a minimum of one type rating (H135/145, Tiger, NH90, CH53). Must be fluent in English and German.