2349 developer English-speaking jobs in Masovian Voivodeship

Ensure every interaction feels smooth, stable, and trustworthy.Improve developer experience.

Senior Android Developer will design, develop, test, and deploy features for the Allegro Android app. Collaborate with product, design, and engineering teams to implement innovative solutions. Must have 5+ years of experience in native Android (Kotlin) mobile application development.

Senior Backend DeveloperWe are looking for a highly experienced Senior Backend Developer to join our

Senior Backend Developer will design, develop, and maintain end-to-end ETL processes using Spark/Scala. Responsibilities include data transfer, technical validation, business logic, and documentation. Requires 7+ years of programming experience, 3+ years with BigData technologies, and proficiency in Agile methodologies, SQL, and English (B2+).

We are seeking a skilled BI developer.

ODI DeveloperWe are seeking a talented ODI Developer with IDMC knowledge to design, build, and optimize

Frontend Developer (React & Vue) - Hybrid / WarsawWarsaw (Hybrid) | AI-Augmented WorkflowWho we aremühlemann

We're looking for an experienced Fullstack Developer to design and deliver scalable, secure web applications

Senior Unity Developer needed to enhance and expand our Games SDK, introducing innovative features. Develop and deploy on iOS and Android, optimize performance, and design real-time multiplayer game features. 5+ years of Unity experience required.

e-commerce and fintech industry, which values creativity, commitment, and teamwork.Senior Frontend Developer

Develop and enhance the microservices architecture of the Home Connect IoT platform. Design and implement solutions using Java and Kotlin. Participate in the full development process, from requirements gathering to deployment.

Develop and maintain full-stack applications supporting Astellas' generative AI platforms and digital transformation efforts.

Role DescriptionAs a Senior Backend Developer you will lead the design and development of payment service

Design, implement, and optimize data pipelines for capital-markets AML detection scenarios. Develop detection logic, rule frameworks, and scoring components. Strong Python, Java, and Apache Spark skills required. Experience with CI/CD tools and Agile methodologies.

Junior Java Developer to join a financial institution. Designs, develops, and maintains scalable applications. Collaborates with experienced developers, product managers, and DevOps teams. 2-3 years of Java development experience required. Bachelor's or master's degree in Computer Science or related field.

This way Business Developer is building efficient supplier structure. ... effectively: listen to others, actively search for feedback and give feedbackAbout the jobBusiness Developer

Develop and maintain iOS mobile applications for smart home capabilities and package delivery experiences. Collaborate with a team to design, prototype, and evaluate new technologies. Work in an Agile/Scrum environment to deliver high-quality software.

Senior Python Developer responsible for system architecture, development, and technical leadership. Requires 5+ years of backend development experience with Python frameworks (FastAPI, Django, Flask) and strong understanding of microservices, API design, and data modeling.

Full-stack developer needed for a project integrating the Charge app into the electric vehicle ecosystem. Requires 3+ years of experience with Java, Spring Boot, React, cloud platforms, and microservices. Familiarity with message brokers and NoSQL databases is also required.

technical and process decisions in product development.Senior-level or team leader: served as a senior developer