352 English-speaking jobs in Podlaskie Voivodeship

As a Staff Data Scientist within Conversions, you will shape the data and modeling strategy behind customized user journeys and funnel decisioning. You will design, implement, and evaluate machine learning approaches for large-scale personalization and routing decisions.

As a Staff Data Scientist within Conversions, you will shape the data and modeling strategy behind customized user journeys and funnel decisioning. You will design, implement, and evaluate machine learning approaches for large-scale personalization and routing decisions.

As a Staff Data Scientist within Conversions, you will shape the data and modeling strategy behind customized user journeys and funnel decisioning. You will design, implement, and evaluate machine learning approaches for large-scale personalization and routing decisions. You will also act as a strategic technical resource for Product, Engineering, and Marketing, shaping how decisioning capabilities are embedded into conversion funnels and experiences.

Java Engineer to design, build, and optimize scalable backend services for trading and crypto-focused applications. Responsibilities include implementing secure key management, integrating with blockchain nodes and APIs, and leveraging AI tools for development.

Java Software Engineer to design, build, and optimize scalable backend services for trading and crypto-focused applications.

Develop and maintain scalable, high-performance backend services for trading and crypto-focused applications. Optimize performance across JVM, databases, caching, and networking. Implement secure key management and transaction workflows. Integrate with blockchain nodes, custody providers, and staking protocols.

Backend Engineer to design, build, and optimize scalable, high-performance services. Focus on JVM, databases, caching, and networking. Crypto experience includes custody, wallet, staking, and trading systems. Strong Java, Spring, and SQL skills required. AI tool proficiency a plus.

Senior AI Engineer will lead XTB's LLMOps and Agentic strategy, ensuring secure and reliable AI experiences for over 1 million investors. Responsibilities include architecting AI solutions, establishing LLMOps standards, and collaborating with data and product teams. Requires 5+ years of experience in deploying production-grade AI/ML solutions, expertise in LLM orchestration and data frameworks, and proficiency in building APIs and semantic layers.

Senior Salesforce Engineer to drive the evolution of our digital ecosystem and mentor a team. Shape our technical roadmap, improve platform performance and scalability, and lead the evaluation of new technologies.

Senior Salesforce Engineer to drive the evolution of our digital ecosystem and mentor a team. Lead the evaluation and proof-of-concept for new technologies, establish software engineering best practices, and deliver new products. Oversee our core CRM platform (Salesforce), ensuring its optimal performance and planning its integration with future systems.

Senior Salesforce Engineer to drive the evolution of our digital ecosystem and mentor a team. Shape the technical roadmap, improve platform performance and scalability, and lead the evaluation of new technologies.

Senior Salesforce Engineer to drive the evolution of our digital ecosystem and mentor a team. Shape the technical roadmap, improve platform performance and scalability, and lead the evaluation of new technologies.

Senior AI Engineer will lead XTB's LLMOps and Agentic strategy, ensuring secure and reliable AI experiences for investors. Responsibilities include architecting AI solutions, establishing LLMOps standards, and collaborating with data and product teams. Requires 5+ years of experience in deploying production-grade AI/ML solutions, expertise in LLM orchestration and data frameworks, and proficiency in building APIs and semantic layers.

As a Staff Data Scientist within Conversions, you will shape the data and modeling strategy behind customized user journeys and funnel decisioning. You will design, implement, and evaluate machine learning approaches for large-scale personalization and routing decisions. You will also act as a strategic technical resource for Product, Engineering, and Marketing, shaping how decisioning capabilities are embedded into conversion funnels and experiences.

Senior AI Engineer will lead XTB's LLMOps and Agentic strategy, ensuring secure and reliable AI experiences for investors. Responsibilities include architecting AI solutions, establishing LLMOps standards, and collaborating with data and product teams. Requires 5+ years of experience in deploying production-grade AI/ML solutions, expertise in LLM orchestration and data frameworks, and proficiency in building APIs and semantic layers.

Senior Full-Stack Software Engineer will design, develop, and launch backend systems at scale using technologies like Python, Kotlin, AWS, MySQL, and Kubernetes. You will partner with European and global engineering teams to build purchase protection features, ensuring trust and satisfaction for international customers. You will lead a team, own quarterly goals, and support the product development lifecycle. Requires 4+ years of experience as a software engineer and strong communication skills.

Senior Software Engineer/Fullstack Developer will build the foundational platform for Affirm's international expansion, focusing on purchase protection. Responsibilities include leading engineers, collaborating with product management and design, and ensuring the operations and availability of team artifacts. Requires 4+ years of experience in backend systems, web app development, and large code base management.

Full-Stack Senior Software Engineer will design, develop, and launch backend systems at scale using technologies like Python, Kotlin, AWS, MySQL, and Kubernetes. You will partner with European and global engineering teams to build purchase protection features, ensuring trust and satisfaction for international customers.

Senior Fullstack Software Engineer to build purchase protection systems for Affirm's international expansion. Focus on disputes and refunds, collaborating with global engineering teams. Requires 4+ years of experience in backend systems (Python, Kotlin, Go, Ruby, Java), AWS, MySQL, Kubernetes, and web app frameworks (React, Vue).

Senior Fullstack Software Engineer will design, develop, and launch backend systems at scale using technologies like Python, Kotlin, AWS, MySQL, and Kubernetes. You will partner with European and global engineering teams to build purchase protection features, ensuring trust and satisfaction for international customers.