react English-speaking jobs in Olsztyn

SAP OpenText VIM Consultant needed for long-term project driving invoice automation and finance process optimization within a complex SAP landscape.

Develop intelligent assistants using LLMs (e.g., GPT-4, Falcon 2) and techniques like RAG and agent frameworks. Implement Python-based data pipelines for AI model training and deployment. Communicate insights to technical and non-technical audiences.

Senior Data Engineer will build and maintain BigData processing pipelines, leveraging Spark to enrich and transform corporate data. Responsibilities include requirement analysis, collaborating with DevOps, QA, and Product Management teams, and implementing test automation scripts. Must have experience with distributed data processing engines like Spark, Hadoop, and SQL.

Consolidation Expert needed for a fast-growing renewable energy company. Requires 4-5 years of audit experience with BIG4, IFRS knowledge, and strong analytical and communication skills.

Accountant responsible for executing Accounts Payable workflows, including Concur, VIM, and SAP FI. Collaborates with vendors, resolves issues, and supports process improvement initiatives. Requires experience with SAP FI and AP tools, communicative German language skills, and strong analytical abilities.

The Accounts Receivable Senior Specialist will process customer payments, resolve discrepancies, and collaborate with teams to ensure timely collections. The role requires expertise in Accounts Receivable processes, finance operations, and SAP S/4HANA Central Finance (CFIN).

System Analyst needed for a project developing a micro-frontend solution to streamline processes and improve user access to services. Responsibilities include analyzing APIs, documenting requirements, modeling domain areas, and leading AI discovery phases. Must have 4+ years of experience as a System Analyst, experience in AI/LLM domain, and experience with API integrations and event-driven architectures.

Lead recruitment delivery for business units, including finance, banking operations, risk analytics, and change management. Implement solutions according to best design patterns and analyze requirements to recommend improvements. Develop and work on application prototypes to validate concepts and designs. Provide exceptional customer support by addressing and resolving issues promptly.

Experienced Fullstack developers with JavaScript/TypeScript and database expertise sought for a network of freelance consultants. Projects include modernizing a large-scale aviation platform, AI-assisted features, and legacy system migration.

Product Owners at NOVOVISION own the vision, backlog, and delivery outcomes for one or more product domains within the casino management platform. Responsibilities include backlog management, product decision-making, and stakeholder alignment. Must-have experience includes solid Product Owner experience, backlog hygiene discipline, strong user story writing, and experience managing stakeholder input.

Security Application Engineer will deploy, configure, integrate, and validate security application platforms including SIEM, SOAR, PAM, and endpoint management solutions. Requires experience with API-level integration and platform administration in an enterprise environment.

Agile Lead to guide a technology POD developing open-source software solutions. Facilitate Agile ceremonies, coach Agile principles, and drive continuous improvement. Remove impediments, enhance team performance, and partner with Product Owners/Managers. Requires strong Agile framework knowledge, Jira/Confluence proficiency, and 5+ years in Agile delivery and process improvement roles.

Implement and customize Salesforce solutions for insurers and banks. Configure, integrate, and customize Salesforce software to meet client needs. Create, design, and implement state-of-the-art solutions.

Senior Flutter Engineer to design and develop enterprise-grade mobile applications using Flutter and Dart. Collaborate with backend, security, and DevOps teams to build scalable and secure mobile solutions.

As a Solution Engineer, you will act as a technical advisor during pre-sales engagements, helping clients understand AI/ML and data platform capabilities and align them with business goals. You will design solution architectures, create technical proofs of concept, and collaborate with sales, delivery, and engineering teams.

Assistant Manager to support Group Finance, focusing on Accounts Receivable. Oversee end-to-end billing processes, review complex billing requests, and resolve client inquiries. Supervise and motivate the billing team, ensuring timely invoice generation and delivery.

Supports local R2R SAP users by providing training, issue management, and communication between factories and IT. Resolves user issues, identifies system enhancements, and participates in testing and defect resolution. Requires a minimum bachelor's degree in finance or controlling, at least 10 years of FICO experience, and strong communication and problem-solving skills.

The EMEA App Platform Technologies Director defines and executes the regional strategy for container platforms, databases, middleware, and cloud platform engineering. This role leads regional teams and sets direction for platform services, ensuring standardization, automation, observability, and compliance with SLAs.

As a Solution Architect for Microsoft 365 – SharePoint Online, you will define the strategic direction of Enterprise Content Management within the Microsoft 365 ecosystem. You will design scalable and secure SharePoint Online solutions, guide engineering and business teams on leveraging Microsoft 365 capabilities, and integrate models between SharePoint Online and other Microsoft 365 services.

Senior Python Developer will develop and maintain backend functionality, integrate with frontend, implement new features, and optimize existing functionality. The role requires strong Python skills, experience with large codebases, Docker/Kubernetes/Ansible, unit testing, and Git.