hr English-speaking jobs in Olsztyn

Senior Invoice to Cash Analyst will manage collections, dispute resolution, and customer account reconciliation. The role requires strong stakeholder management, experience with AR-related systems, and fluency in English and Italian.

Leads and supports IT audits to evaluate internal controls and reviews management actions to close identified gaps. Drafts audit findings and reports, presents results to stakeholders, and monitors remediation measures. Contributes to the development of auditing tools and continuous monitoring activities.

Network Engineer to design, deploy, and maintain LAN/WAN infrastructure. Configure Fortinet firewalls, Ubiquiti UniFi devices, and perform network troubleshooting. Script automation tasks using JavaScript and HTML.

Experienced SAP PP or MM Consultant needed for S/4HANA Public Cloud rollout across Europe. Requires 5+ years of project experience, expertise in PP or MM modules, and knowledge of S/4HANA Public Cloud.

Senior Data Scientist to lead improvements in personalization models, focusing on customer retention and menu ranking. Responsibilities include model optimization, backtesting, experimentation, and collaboration with cross-functional teams. Requires strong Python skills, Databricks, PySpark, Pandas, NumPy, Scikit-learn, and experience with Generative AI tools like Claude.

Quality Assurance Specialist with German will define and implement testing approaches, design and execute test cases, and contribute to test automation activities.

Own and execute live operational work across the company, including product ops, financial ops, people ops, customer ops, and company ops. Drive projects to completion, ensuring smooth handoffs and efficient closure.

The Head of Group Accounting & Consolidation will own the group month-end close, consolidation, and technical accounting across all entities. This role ensures accurate and compliant reporting under local GAAPs and IFRS. The position provides clear, timely insight into revenue, margins, and tax/VAT positions across all entities and leads readiness for upcoming audits. The role acts as the central coordination point between external accountants, tax and TP advisors, and internal stakeholders.

Financial Analyst will provide high-impact analysis, forecasts, and strategic recommendations to the CEO. Develop financial models, conduct strategic analysis, and oversee syndication processes. Manage commission structures, lead financial accounting and reporting, and optimize financial processes. Requires a Bachelor's degree in Accounting, Finance, or related field and 3+ years of experience.

Experienced SAP Data Migration Consultant specializing in MM/Logistics needed for S/4HANA transformation projects. Responsibilities include planning, designing, and executing data migration activities, collaborating with customers, and managing MM/Logistics data objects. Requires 5+ years of SAP project experience, strong SAP Migration Cockpit skills, and deep understanding of MM/Logistics data structures. Fluency in German and English is required.

IBM zCore with Security (include vault on Z) Delivery Consultant will lead and deliver pre- and post-sales client engagements. Responsibilities include developing and delivering solution design, architecture, and implementation of application migration solutions. This role requires strong knowledge of IBM Systems Z hardware and software ecosystem, focusing on IBM Z application environment skills.

Staff Engineer to lead the technical direction of a product squad focused on building AI-powered products for the financial services sector. Responsibilities include setting architectural decisions, mentoring engineers, and ensuring AI features are robust, scalable, and compliant. Requires 10+ years of software engineering experience, including building and operating production systems, and proven experience with AI/ML systems in production. Strong expertise in Node.js or Python, React, AWS, and serverless architecture is essential.

Senior Systems Administrator will design, administer, and optimize ProScore's AWS infrastructure. Responsibilities include architecting scalable systems, leading automation efforts, and ensuring platform stability and security. Requires 5+ years of experience in systems administration, cloud infrastructure, or SRE roles with deep AWS expertise.

Lead ZURU's Consumer Goods business in Poland and CEE hypermarkets and supermarkets. Drive sales, profitability, and market share through customer partnerships, negotiations, and category growth initiatives. Manage P&L and execute strategies to disrupt the market and deliver superior outcomes.

Experienced Java Developer (Mid/Senior) to design, develop, and maintain software applications. Requires 2+ years of Java EE experience, knowledge of relational databases (Oracle, PostgreSQL), and fluency in English (B2+) and Polish (C1+).

Leads and mentors a distributed, full-stack engineering team building next-generation products. Manages new development from scope negotiation through deployment and production support. Implements industry best practices to maximize software development performance and quality. Requires 5+ years software development and people management experience, 5+ years using agile frameworks, and expertise in building and supporting enterprise-scale software.

Advises, develops, and implements programmatic activities on freedom of thought, conscience, religion, or belief. Designs, implements, and evaluates capacity-building initiatives and field activities. Liaises with OSCE structures, government counterparts, and civil society. Prepares project proposals, budgets, and donor reports. Monitors developments in the area of freedom of thought, conscience, religion, or belief across the OSCE region.

Senior Fullstack Developer to build and maintain a large-scale e-mobility platform ecosystem. Requires 4+ years experience with TypeScript, AWS (Lambda, Serverless), DynamoDB, Redshift, REST APIs, WebSockets, and Git.

Experienced Electrical Engineer needed for large-scale AI and data center projects in Warsaw. Provide technical expertise for design and verification of electrical power systems. Review electrical documentation, perform calculations, and collaborate with project teams.

Design, develop, and improve security-related platform capabilities for modern financial systems. Strengthen security posture of AWS-based environments by working on cloud security controls, threat detection, vulnerability management, incident response, and operational security processes. Support product and engineering teams in designing secure solutions and improving the security of applications and platform components. Act as a technical owner for security, compliance, and audit-related activities. Drive vulnerability remediation efforts.