backend developer English-speaking jobs in Olsztyn

SAP CPQ Business Analyst to define, develop, and maintain the Clarity/SAP CPQ solution. Requires 3+ years of experience as a Business Analyst, fluency in English, and strong SAP CPQ scripting and rule engine knowledge.

Mid-Senior Front-End Developer needed to build and maintain responsive UI components using modern JavaScript frameworks and Bootstrap. Translate product and design requirements into scalable front-end solutions within CMS-driven environments. Collaborate with product, design, and backend teams to deliver intuitive user experiences. 3+ years of experience with Bootstrap, modern JavaScript frameworks, and responsive design required. English proficiency at B2 level or higher.

The Intelligent Process Automation (IPA) Business Analyst will partner with stakeholders to identify and assess automation opportunities, analyze and map business processes, and translate business needs into functional requirements for developers.

Sales Specialist to build a sales pipeline in the French market. Experience in B2B sales, fluency in French, and proven lead generation and closing skills required.

Cost Engineer will define project scope, develop cost estimating relationships, and collect/monitor data. Requires a Bachelor's Degree in Engineering, 5+ years of experience in cost engineering, and proficiency in MS Excel and CATIA.

Lead frontend engineering at Umbrel, owning product surfaces in umbrelOS, apps, and the website. Develop polished, accessible interfaces using React + TypeScript, Tailwind, Shadcn, and Radix. Focus on user experience, including empty states, error handling, and microcopy. Collaborate with design, write clear code, and ship iteratively.

QA Automation Engineer needed for a tech startup within a legacy airline. Requires 1-2 years of coding experience in C# or Ruby and a Masters/Bachelor Degree in Computing.

Senior 3D Character Artist specializing in creatures for a AAA game in a realistic fantasy setting. Create high-detail 3D creatures based on concept art, using ZBrush, Maya/Blender/3ds Max, Substance 3D Painter, and Marmoset Toolbag. Requires 5+ years of experience in the game industry with a portfolio featuring realistic creatures.

Data Governance Manager will define and implement data governance strategy, manage data governance structures, and develop data processes. Requires at least five years of experience in data governance, knowledge of ERP SAP, and strong analytical and communication skills.

Leads all marketing activities including social media, digital campaigns, advertising, and creative projects. Builds and manages a marketing team. Requires experience in Head of Marketing or Senior Marketing Manager roles, preferably in art, NFT, or crypto.

The Chief Financial Officer will build and maintain financial dashboards, tenant CRMs, and consolidated financial reports. Responsibilities include managing cash flow, performing audits, overseeing subsidiary companies, and coordinating with international CPAs.

Senior Cloud Engineer will maintain cloud infrastructure in GCP and AWS, help migrate products, develop internal tools, and provide support to developers. Requires production experience with cloud infrastructure engineering, Kubernetes, and proficiency in Terraform, Ansible, Linux, networking, and containerization. Experience with Python or Go is also required.

Develops customer-tailored solutions, collaborates with internal teams, and supports sales with technical expertise. Requires English proficiency (B2/C1), 3+ years of international experience, and a technical degree.

Develop Java backend applications using Spring Boot 3 and design/maintain RDBMS systems. Build and maintain front-end applications using React 18+ and TypeScript. Contribute to cloud-native application development in Azure, preferably with Terraform.

AI Engineer / Machine Learning Engineer needed to design, deploy, and maintain AI models in production. Responsibilities include building scalable ML pipelines, automating model deployment, and ensuring reliability of AI systems. Requires Python, MLOps tools, Docker, CI/CD, and experience deploying models to production.

Senior Penetration Tester will conduct penetration tests, evaluate vulnerabilities, and provide remediation guidance. Requires experience with penetration testing tools and methodologies, programming, and strong analytical skills. Fluency in English is required.

Senior Data Scientist to analyze large datasets, design and train machine learning models for ranking and recommendation, and collaborate with engineers on model productionization. Requires strong experience in applied data science, machine learning, and Python.

Azure Data Engineer needed to design, architect, and implement modern, secure, cloud-native data platforms on Azure. Requires 8+ years of IT experience, deep Azure knowledge, and expertise in IaC, containerization, CI/CD, and Python. Experience with data processing and orchestration tools, testing, and security best practices is essential.

Kronia® seeks a Frontend Software Engineer with 2+ years of experience building modern user interfaces using React and Web Components. Collaborate cross-functionally to deliver scalable frontend solutions for Turnitin's academic integrity platform. Implement features, write testable code, and participate in code reviews.

Private Doctor providing clinical continuity, acute care, and chronic condition management to a UHNW Principal on a private yacht in the Mediterranean. Requires Western medical degree, 5+ years post-specialization, and experience in private medicine.