959 frontend developer English-speaking jobs in Masovian Voivodeship

Develop cross-platform mobile apps for iOS and Android using React Native. Implement solutions with Salesforce Mobile SDK, manage state with Redux, and build UIs. Experience with Open CV and GitHub is required.

Senior Python Developer to own technical direction, design complex data pipelines (especially 3D/visualization), and lead a small team. Requires 5+ years Python experience, system design skills, and fluency in AI-assisted development.

Develop and evolve microservices for digital pathology workflows using Java 17+, Spring Boot, and AWS. Requires 2+ years of experience, strong SQL/PostgreSQL skills, and proficiency in distributed systems.

Develop and maintain modern backend solutions using Java, Spring Boot, and Hibernate for a major insurance company. Requires 3+ years of experience with Java/Spring, Kafka, Git, and unit testing.

Develop responsive Angular applications and Spring Boot microservices using Java 17. Build RESTful APIs, containerize with Docker, and deploy on OpenShift/Kubernetes. Follow enterprise architecture standards.

C# Developer for Data Resilience. Design and implement end-to-end recovery flows using REST and gRPC. Requires 5+ years of C# development, strong .NET knowledge, and expertise in API design or database/AD recovery internals.

Experienced Python Data Quality Engineer needed to develop cloud-based data solutions using GCP (BigQuery, Dataplex, Dataproc, Composer). Requires proficiency in Python, SQL, and dbt, with experience in data quality projects.

Senior Java Developer for a large-scale Regulatory Reporting Platform. Design and develop solutions using Java and Apache Spark to process and transform data for global regulatory reports. Requires 6+ years of Java experience and SQL knowledge.

Intermediate Java Developer with Kotlin to build and deliver components for the Core Prime Brokerage platform. Responsibilities include agile development, CI/CD improvement, and collaborating with stakeholders.

Architects teams on large mission-critical systems.RequirementsAt least 4 years of experience as a Backend Developer ... technologies, including microservices architecture, and influence the lives of millions of people.As a Backend Developer

.NET (Web) Developer needed to maintain, support, and enhance existing applications. Requires advanced SQL expertise, experience with .NET/ASP.NET Web API, and familiarity with Kafka, Docker, AWS, and Terraform. Strong English skills are essential.

Java Developer for a leading financial institution building an enterprise intermediary platform. Focus on backend services, messaging architecture, and system integration for FX, Options, Commodities, and Interest Rates. Requires core Java, Kafka/Solace, microservices, and reactive programming experience.

C# Developer for Data Management. Design and implement business logic for core product lines. Requires 5+ years of experience in C# and .NET, understanding of data structures, and software architecture.

Full Stack Developer in Treasury Transformation needed. Requires 7+ years of experience with Python, JavaScript, and SQL. Design, build, and maintain end-to-end applications and automation solutions.

In shortIf you're a Senior Android Developer who knows BLE inside out and isn't afraid of code that talks

Intermediate Java Developer with Kotlin to build and deliver components for the Core Prime Brokerage platform. Responsibilities include agile development, CI/CD improvement, and collaborating with stakeholders. Java and Test-Driven Development are essential.

C# Developer for information systems. Design, develop, and maintain systems using Microsoft and Oracle technologies. Requires 3+ years in C#, .NET Framework, WCF, MVC.NET, SQL, and SSIS.

recruitment projects we undertake for our partners, we are currently looking for: Senior Fullstack Developer

PLSQL, Confluence, Jira, Maven, Docker, DDD, OOP, SOLID, TDD, willingness to develop toward a fullstack developer

Experienced Power Platform Developer needed to support development and maintenance of business-critical applications. Focus includes Power Automate, Power Apps, SharePoint Online, and Power BI reporting.