javascript English-speaking jobs in Warmian-Masurian Voivodeship

Senior Data Engineer to design, build, and maintain data pipelines, models, and transformations for a prestigious customer. Experience with Python, SQL, Dataiku, and GCP data products is required.

Senior Full Stack Developer role involving designing and developing solutions using Java 17, Spring Boot, and React. Candidates will build a new financial application in an Agile setup. Experience with JPA and fluent English is required.

Senior Clinical Project Manager leads the delivery of clinical studies, ensuring adherence to contractual requirements and SOPs. Experience in regional/global trials and the Central Nervous System therapeutic area is required.

Lead the development of AI Studio, a customer-facing tool for customizing Box AI experiences. Design, build, and iterate on features, measure results, and collaborate with stakeholders to drive product growth.

Experienced System Analyst needed to support IT projects. Responsibilities include system analysis, developing technical specifications, creating IT system requirements, and collaborating with stakeholders and development teams.

Data Integration Engineer focused on building and maintaining client integration pipelines for financial infrastructure. Requires 3+ years in data engineering with strong Python and SQL skills, experience with Airflow/Mage.io, and a focus on data accuracy.

Senior .Net Developer (C# / AI / Uno platform) needed for freelance projects. Duties include developing, maintaining, and modernizing applications while using AI tools. Requires 5+ years of C#/.NET experience and strong English skills.

Accountant needed with experience in U.S. accounting principles and the real estate industry. Responsibilities include financial reporting, reconciliations, analysis, and compliance. Requires a bachelor's degree in Accounting, Finance, or related field and proficiency in QuickBooks Pro and Xero.

The Business Development Manager is responsible for exceeding sales revenue quotas by winning new contracts and developing customer relationships. This role involves identifying sales opportunities, negotiating contractual terms, and presenting company service offerings to prospective clients.

Experienced UX Designer to design and develop payment and financial services for a large-scale platform. Must have a portfolio demonstrating design and problem-solving skills. Fluent in English and Polish.

Sustainability Specialist will support the execution of global product and operational sustainability strategy. Responsibilities include product carbon footprint and LCA calculations, sustainability data analysis, and cross-functional collaboration.

Senior Category Management Specialist will manage and oversee service categories, ensuring effective sourcing, cost control, supplier management, and compliance. Requires a Bachelor's degree, 5-7 years of experience in Supply Chain, Strategic Sourcing, or Category Management, strong English skills, and excellent analytical and negotiation skills.

Fullstack Software Engineer to enhance authentication services for Akamai Control Center and Linode's Cloud Manager. Develop secure, scalable web applications using Python, JavaScript, and modern architecture.

Group Director Regulatory Process leads a team to drive continuous improvement of regulatory processes for cell therapy programs. This role manages process activities, guides regulatory delivery, and ensures alignment with global strategy.

Product Development Engineer will support engineering and product development activities, collaborating with developers, engineers, and stakeholders globally. Responsibilities include assisting with technical problem-solving, maintaining development tools, and contributing to knowledge sharing. Requires a higher degree in Engineering, Technology, or a related field and 1-2 years of experience in a related role. Proficiency in product development and engineering tools is necessary.

Lead and contribute to cell therapy research and development projects, designing and optimizing manufacturing processes. Collaborate cross-functionally to advance cell therapy programs from preclinical development through commercialization.

Principal AI Solutions Engineer will build and ship AI-powered tools for HR, working with stakeholders to turn business needs into technical solutions. Requires a portfolio of AI solutions, fluency in Python and ML frameworks, and experience with large language models and API design.

Senior Internal Audit Manager to assess and monitor internal controls and risk management across financial services operations. Lead high-impact audits, manage teams, and engage with senior stakeholders. Requires 7+ years in Internal Audit or related fields.

Experienced Team Lead System Engineer needed to manage a team responsible for the reliability, scalability, and security of cloud and on-premises infrastructure platforms. This role requires 6+ years of experience in DevOps, Infrastructure Engineering, or System Engineering with strong AWS exposure and 2+ years leading engineering teams. Must have hands-on experience with AWS, Kubernetes, Terraform, CI/CD pipelines, Linux administration, networking, security, monitoring, and production operations.

Head of Healthcare Industry Vertical – Business Development will define and execute the healthcare sector strategy for Cluster East. This role collaborates with sales teams, develops industry-specific value propositions, and analyzes market trends to drive growth.