959 frontend developer English-speaking jobs in Masovian Voivodeship

Senior Java Developer to design, develop, and maintain Java applications supporting taxation, account management, and investment processing. Experience with Java and Spring Boot upgrades, relational databases, and messaging technologies required.

Senior Backend Developer to develop and maintain Enterprise Services using Java Spring Boot, PostgreSQL, Kafka, and microservices. Requires 4-6+ years of experience and strong English skills.

Full Stack Developer in Fintech at J.P. Morgan. Build and maintain end-to-end applications using Python, JavaScript, and SQL. Design front-end experiences and engineer back-end services and data pipelines. Requires 3+ years of experience.

Fullstack Developer for banking applications. Develop, design, code, and test systems using Java Spring and Angular. Requires experience with Kubernetes and strong English skills.

Full Stack Developer for AI-powered web applications. Supervise AI code generation, conduct advanced reviews for security and performance, and integrate new web layers with legacy logic using .NET 8, C#, Angular 21, and TypeScript.

Senior .NET Developer to design and maintain backend applications, microservices, and distributed systems. Requires 4+ years of .NET/C# experience, API design skills, and Azure knowledge.

We are looking for a passionate developer willing to move our projects on the new track! ... Senior Guidewire Developer Location: Katowice / Warszawa - 2 days office / 3 days remote Let us introduce ... The opportunity As a Guidewire Developer you will participate in various streams of Insurance platform

Machine Learning Developer Location: Hybrydowo, Warszawa - hybrid office, minimum 1 day per month in

Agile software delivery process (Scrum/Kanban) Nice to have: Salesforce certificates: Industries CPQ developer

Xiliun Biogas is currently looking for a Project Developer to strengthen our Polish team based 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.