hr English-speaking jobs in Olsztyn

Experienced Python/Rust Developer sought for a remote, part-time role (50%). Design and implement a unified interface for Fast Trading platforms, ensuring low latency and high throughput. Develop scalable backend services and build a consolidated integration layer. Strong experience with Apache Kafka, Microsoft Azure, and Kubernetes required.

Experienced Team Lead Software Development sought to lead a cross-functional engineering team of 7-9 people. Responsibilities include leading, coaching, and supporting the team, contributing to roadmap planning, and staying hands-on with backend and web services development. Requires several years of experience in software development with .NET/C#, at least 3 years leading development teams, and strong communication skills.

Senior Business Analyst to support a global FMCG organization in strengthening its enterprise data foundations. Focus on building and evolving standardized, scalable data pipelines and datasets. Responsibilities include business-to-data translation, definition of harmonized data structures, end-to-end ownership of data requirements, delivery coordination, risk and issue management, and close collaboration with data engineering teams. Requires 5 years of experience as a Business Analyst in data platform, data engineering, or analytics foundation initiatives.

Provides senior-level support for network infrastructure patch and End-of-Life (EoL) management, ensuring security, stability, and availability.

Senior Analytics Engineer will build and maintain business models, develop data marts, and implement data quality frameworks. Requires advanced SQL, data modeling, and experience with dbt, Iceberg, Athena, and Airflow.

Develop predictive models and analytical tools to influence global marketing strategies. Build models for consumer behavior, product performance, and marketing optimization. Deliver insights to marketing teams for targeting, personalization, and next-best-action recommendations.

Fullstack Developer needed to build and maintain web applications using Node.js and React. Responsibilities include developing APIs, crafting user interfaces, and troubleshooting technical issues. Requires 3+ years of fullstack/frontend development experience, cloud infrastructure knowledge, and proficiency in SQL and NoSQL databases.

Design and implement modern web applications using React. Translate Figma designs into pixel-perfect UI and integrate frontend applications with REST/GraphQL APIs.

Data Architect to define and design data architecture for analytics, AI, and data product development. Partner with teams to design data pipelines, models, and products. Ensure data systems are scalable, secure, and compliant.

Develop Python libraries, data pipelines, and analytical tools for a leading financial technology firm specializing in trading infrastructure. Analyze trading behavior, optimize execution strategies, and support high-performance live trading environments.

Senior Backend Engineer to design and build Java services for AI platform, including multi-agent conversational AI, predictive analytics, and member engagement.

Mid React Frontend Engineer will develop user-facing features for a Fortune 500 retail client, building solutions that handle diverse data. Responsibilities include developing new features, collaborating with team members, and leveraging AI tools. Requires 2 years of experience as a Frontend or React Engineer, proficiency in React, JavaScript, and TypeScript, and familiarity with HTML5, CSS3, REST APIs, and GitHub/Git.

.NET Developer will develop and deliver high-quality code using .NET and Azure. Responsibilities include working with CI/CD tools, designing AI solutions with Python and Azure, and collaborating with clients and project teams. Requires 3 years of web development experience with .NET, MS Azure, and Azure DevOps or GitHub Actions.

Marketing Manager responsible for sales collateral, events, website, and social media. Executes marketing strategy, manages projects, and collaborates with stakeholders. Requires strong B2B/B2G marketing experience, excellent written and spoken English, and 5 years of relevant experience.

Sanitary and Heating Systems Engineer / Designer needed for fixed-term contract in Poznan, Poland. Designs radiant heating/cooling, radiator, domestic hot water, sanitary drainage, and mechanical ventilation systems for the European market. Requires a higher education degree in a relevant field, knowledge of AutoCAD, InstalSoft, and MS Office, and very good English skills.

Software Engineer to develop and maintain Ubuntu Server features for cloud environments. Responsibilities include building image delivery pipelines, integrating with cloud services, and collaborating with partners. Requires experience with Python, Linux, and public clouds.

Saily is seeking a Senior Mobile Engineer to design, build, and deploy AI-native tools and applications. The role requires 5+ years of development experience and expertise in native iOS or Android development. Responsibilities include owning problems end-to-end, delivering features, and improving internal agent networks.

Lead DevOps Engineer to develop cybersecurity automation solutions. Experience with Python, ELK Stack, CI/CD, and cloud technologies required. Manage and mentor a team of developers. Design, implement, and maintain web applications using ASP.NET MVC.

Architect and lead the implementation of large-scale data platform components, including Data Lakes, SDKs, Data Catalogs, and Access Control layers. Design, develop, and optimize data ingestion and transformation pipelines. Champion data discoverability and integrate AI-assisted data management tools. Mentor senior and mid-level engineers. Collaborate with AI/ML, analytics, and governance teams.

Senior Fullstack Developer will build AI-native workflows for the legal industry, focusing on end-to-end document execution. The role requires strong Python, FastAPI, and AI tooling experience.