559 frontend developer English-speaking jobs in Kraków

Develop and maintain enterprise applications using Java. Responsibilities include building streaming apps with Apache Flink, writing tests, and collaborating in a Scrum team. Requires 2+ years of Java experience and knowledge of the Spring stack.

Senior Java Developer for an enterprise investment banking project. Build and evolve mission-critical backend microservices using Java 11+, Spring Boot, Kafka, and BPM. Requires 7+ years experience.

Full Stack Developer role requiring expertise in Angular, Node.js, JavaScript, TypeScript, HTML, and GraphQL. Experience with REST APIs, maintenance, and migration is necessary.

per week in the office /2 days for a parent of a child up to 4 years old About The Team A Senior Java Developer

Senior Java Developer to design, develop, and test components of the Transfer Agency Investor Onboarding system. Requires strong OOP, SOLID principles, and practical skills in Java with Spring MVC/springboot, JMS, and JPA.

C# .Net Developer to maintain and modernize applications supporting healthcare operations. Focus on developing new capabilities and integrating C#/.NET with existing Python and AWS platforms. Requires C#/.NET knowledge, RESTful API experience, and AWS familiarity.

Consolidated revenues as of 12 months ending March 2026 totaled $14.7BOverview of the Role:As a Medior Pega Developer

Senior iOS Developer to build features for a mobile-first financial B2B solution. Requires 5+ years of Swift experience, knowledge of UIKit/SwiftUI, and hands-on use of agentic development tools.

Project Description We are looking for an experienced Python Developer to join a forward-thinking team

Develop and maintain enterprise-scale backend applications using Java. Create scalable REST APIs and microservices while collaborating in Agile teams. Requires 6 years of Java experience, expertise in Spring/Spring Boot, and knowledge of SQL databases.

Actively adopt AI developer tools in daily workflows and propose concepts for new AI-powered product

Develop server-side Java applications for FX trading systems. Design and build robust, scalable distributed systems. Requires 5+ years in Java development, proficiency in multi-threaded programming, and knowledge of Kafka, Spring, and Spring Boot.

Senior Java Developer for a global investment banking project. Build and evolve mission-critical backend services using Java 11+, Spring Boot, and microservices. Focus on scalability, security, and integration.

Lead Android app development, ensuring quality, performance, and security. Manage the development lifecycle, collaborate with teams, and contribute to releases and ongoing support. Expert-level knowledge of Android development, Java, Kotlin, and related tools is required.

Back-end Developer to design, develop, and implement features for a blockchain-based social media platform. Requires 2+ years of Java and Kotlin experience, REST API development, and cloud provider familiarity.

Senior Java Developer to build a mission-critical aviation platform. Requires 4+ years experience with Java/J2EE, JMS, Spring, Hibernate, and Oracle/SQL. Must design, develop, and test complex software in an Agile environment.

OverviewIn Mosaico (https://mosaico.ai) we are looking to extend our development team with a Full-stack developer

Senior RTL Developer will lead functional specification development for advanced digital systems, design microarchitectures, perform RTL debugging, and collaborate with various teams. Requires 7+ years of experience in digital design, strong Verilog/VHDL knowledge, and experience with tools like Cadence Genus or Synopsys Design Compiler. Familiarity with SystemVerilog, synthesis tools, and SoC design is a plus.

Fullstack Developer needed to design, develop, and test application components using Java and JavaScript. Requires 2+ years with Angular/Typescript and 3+ years implementing systems. Experience with web services, databases, and development tools is essential.

Software Developer role focusing on developing Next Generation System Management suites for ASTRO radio systems. Requires proficiency in modern Java (21+) and Spring Framework, with knowledge of OOP, Cloud (Azure), and Kubernetes.