903 frontend developer English-speaking jobs in Warsaw

financial institution – we are looking for an experienced specialist for the position of Senior C# Developer

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

We offer a senior developer role with opportunities for professional growth. ... Copilot Studio Developer The opportunity With the constant growth of our business and customers’ needs

of Agile methodologiesSCRUM is welcomeAbility to adapt to changesAt least 4 years of experience as a developer

C# Developer to design and develop REST APIs for data resilience products. Requires proficiency in C# and the .NET platform, knowledge of software design principles, and experience with Windows/Linux environments.

integration.Familiarity with Agile development methodologyNice to have:Salesforce certificates: Industries CPQ developer

Azure Monitor.Experience with PostgreSQL, Oracle, Hive, HDFS, or Impala.Azure Data Engineer, Azure Developer

financial institution – we are looking for an experienced specialist for the position of Senior C# Developer

Azure Data Engineer, Azure Developer, Azure DevOps, or related cloud certifications.

Java Developer in iGaming to design, develop, and maintain backend services using Java and Spring Boot. Requires 5+ years of experience with Java, Spring Boot, MySQL, and Kafka in microservices.

Python AI Developer will design, build, and maintain LLM-powered services and APIs. Responsibilities include building agentic and RAG pipelines, ensuring quality through evaluations and observability, and collaborating with clients to translate business requirements into technical solutions.

Fullstack Developer in Banking Products. Design, develop, and deploy features using Java 17+, Spring, Angular 15+, and SQL. Requires 5+ years experience, backend focus, and knowledge of CI/CD, Docker, and Kubernetes.

Develop and maintain Python components for the credit risk model lifecycle. Re-engineer SAS models to Python, implement production models, and optimize code for efficiency. Requires 3+ years of experience and strong Python proficiency.

information, please visit www.mt.com.Our Opening and Your ResponsibilitiesWe are seeking Fullstack Developer

Develop and maintain server-side Java applications for trading platforms using Spring and Spring Boot. Optimize performance for low latency in real-time trading environments. Requires 5+ years of Java experience and knowledge of DevOps and databases.

Develop full-stack agentic systems using Python, Java Spring Boot, and TypeScript/Angular. Industrialize AI prototypes on Azure AI Foundry, building RAG pipelines and integrating tools. Requires 5+ years shipping LLM systems with expertise in Azure PaaS and evaluation.

the activity and maintain technical know-how for legacy systemsParticipate in internal and external developer

Java Developer for Risk Management Platforms. Requires 5+ years of modern Java experience with Spring Boot and Microservices. Involves full development lifecycle, design, and supporting a common risk platform.

development of its IT environment, we are currently looking for an experienced SAP ABAP / SAP Fiori Developer

.NET Developer for trading applications. Build and maintain front-office trading applications using C# and best practices. Experience with microservices, WPF, and migrating to .NET8 is required.