freelance English-speaking jobs in Østfold

Architect and maintain Android and iOS SDKs for seamless integration of Kindly's AI Agents into client applications. Design, implement, and test real-time chat features, authentication flows, and media handling. Collaborate with backend and AI teams to deliver new LLM capabilities. Ensure SDK robustness, stability, and ease of use for developers.

Welder Hardband will perform pipe grinding and hardband welding using specialized equipment. Must have experience in welding and be able to work in a physically demanding role.

The Norwegian Centre for the Law of the Sea (NCLOS) seeks a Postdoctoral Fellow to contribute to research at the intersection of global and regional regimes, with a focus on the Arctic. The three-year position includes a teaching component and requires a Norwegian doctoral degree in law or a recognized foreign equivalent. Applicants must submit a project proposal and demonstrate proficiency in English.

Cost Control Senior to manage project costs, track performance indicators, and provide financial reporting. Requires 3-5 years of energy industry experience and fluency in Norwegian and English.

Product Expert to support pre- and post-sales activities for clinical chemistry and immunochemistry diagnostic products. Will provide technical training, participate in product launches, and ensure successful customer implementation and support. Requires fluency in Norwegian and English.

Test Engineer needed to develop and execute testing activities throughout the software development lifecycle. Experience with software testing, complex systems, PLC and SCADA technologies required. Strong documentation skills and collaboration abilities essential.

Senior Project Engineer will contribute to developing and industrializing HalZero, a CO₂ emission-free aluminum production process. Responsibilities include process design, engineering, testing, and implementation of gas treatment solutions.

Engineer will develop production strains, establish cell banks, and analyze fermentation samples. Requires a BSc in Microbiology, Biotechnology, or related field and experience with sterile techniques, microbial handling, and cell cultivation.

Lead Engineer will design and validate scale-up processes for separator and cathode materials, translating lab processes to pilot workflows. Define process parameters, quality control, and equipment specifications. Collaborate with R&D to optimize materials and formulations for scale. Build the process engineering function and contribute to supplier qualification.

Manage accounts receivable transactions, review orders, and ensure accuracy in financial records. Collaborate with cross-functional teams and provide customer service.

Lead end-to-end delivery of IT/software projects, from pre-sales and scoping through execution and handover. Define and agree on Statements of Work (SOW), create project delivery plans, and manage dependencies, risks, and external constraints. Drive project execution, ensure budget control, and act as the primary customer interface.

Develop and maintain firmware for microcontroller-based systems in C/C++ (bare-metal and RTOS), including STM32 platforms. Integrate and control hardware peripherals and debug embedded systems using tools like oscilloscopes and logic analyzers.

Keyguides Connect, a travel-tech startup, seeks an energetic and organized Sales Development Representative to convert conversations into partnerships. The role involves outreach, relationship building, and pipeline management.

Support ongoing projects, analyze markets, operations, and investment opportunities for a global terminal company. Assist with data analysis, presentation preparation, and ad hoc support. Requires a completed 2nd or 3rd year of a bachelor's degree in finance/economics, engineering, or computer science, with data analysis and Microsoft Office skills.

Experienced Electrical Project Manager to lead electrical systems delivery on a hyperscale data center project in Norway. Oversee all electrical construction activities, ensuring safe, high-quality delivery and coordinating with cross-functional teams. Requires strong leadership, deep electrical expertise, and experience on large-scale construction or mission-critical projects.

Speechify seeks a Senior Android Engineer to support the growth of its Android app and develop new features. The ideal candidate has 5+ years of software engineering experience, familiarity with Android components, and a strong understanding of Kotlin, Kotlin Coroutines, and related technologies.

Drone Flight Operations Technician to support and execute drone operations in Norway. Responsibilities include maintenance, deployment, and operation of drone systems, ensuring safe and efficient data collection. Requires technical expertise, drone operation experience, and a willingness to travel domestically and internationally.

Train AI chatbots by evaluating their logic, measuring progress, and writing novel conversations in Norwegian and English.

Senior Credit Secretariat Specialist to build and harmonize first-line credit governance across the Nordics. Develop standard operating procedures, drive process improvements, and contribute to a Nordic credit risk training structure. Requires corporate credit risk experience, process improvement expertise, and strong communication skills in English and Norwegian.

Specialist Engineer - Marine Installation Operations will work in a multidisciplinary project team, focusing on marine installation activities. Responsibilities include procedures, specifications, planning, and scheduling. Requires a higher technical education and minimum 5 years relevant experience.