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Full Stack Developer - Python/Java @ Antal
Build and maintain an AI-powered NLP platform for real-time financial data analysis, working across full-stack Python/Java services and optionally React/Vue frontends.
Software Developer
Build and maintain Xe’s Currency Data API and mid-market rate systems using Java/Spring, AWS, and REST APIs to power global financial services.
Java/Kotlin Developer (SEO Apps)
What you work on today shapes where you’ll be tomorrow. Looking for your next challenge as a Java/Kotlin Developer ? We may have the right opportunity for you. At B3, we start with people and their experience. We match…
Senior Java Software Developer
Build and maintain mission-critical emergency call handling software using Java, Kubernetes, and cloud platforms, following DevOps and continuous delivery practices.
Senior Software Development Engineer (Java/Kotlin)
Builds and maintains backend services (Kotlin/Java) and React frontends for a global demo platform, owning features end-to-end with a distributed team.
Full Stack Developer (Java, React)
Build and maintain web apps in Java and React for internal teams, focusing on financial platforms and digital tools in a hybrid Kraków office.
Senior Full Stack Developer with Kotlin
Build and optimize internal leasing software using Kotlin, Node.js, React, and PostgreSQL/MongoDB while collaborating with global teams and stakeholders.
Quality Assurance / DevOps Engineer
Build and run automated tests for backend, UI, and APIs, and help maintain CI/CD pipelines using Java/Kotlin and cloud tooling.
Senior Java Developer Kraków @ j-labs software specialist
Build and maintain Java-based microservices using Spring Boot and cloud platforms (AWS/Azure/GCP) for clients in travel, fintech, and other industries.
Remote Senior Java Developer - Spring Boot, Kafka
Builds and optimizes microservices in Java/Spring Boot for a banking project, designing scalable architectures with Kafka integration.
Freelance Software Developer (Kotlin) - Quality Assurance (AI Trainer)
Freelance role testing and improving Kotlin/Android apps for AI training projects, using automated frameworks and CI/CD pipelines.
Senior Java Developer @ DCG Sp. z o.o
Build and maintain backend systems in Java/Kotlin using Spring, Docker, and Kubernetes; design microservices and integrate distributed systems for banking APIs.
Full Stack Developer (Angular + Spring)
Builds a web app with Angular frontend and Spring backend to detect wildfires early, using RxJS, PostgreSQL, and REST APIs.
Senior Java Developer IoT @ IDEMIA Poland
Design and build backend services for an IoT platform that manages eSIM devices, handling event-driven data flows and cloud-native deployments in Java/Kotlin with Spring Boot and Kafka.
Senior Full Stack Developer (Remote)
Build cross-platform mobile apps with React Native and NestJS, delivering pixel-perfect UIs and scalable backends for early-stage startups.
Senior Java Developer with Kotlin @ Citi
Lead the design and development of core Prime Brokerage systems using Java/Kotlin, mentor engineers, and drive DevOps best practices to improve reliability and scalability.
Sr DevOps Engineer
Build and own a centralized performance-testing automation platform for game development, integrating data from multiple engines, CI/CD pipelines, and observability tools to track and optimize performance issues.
DevOps Engineer
Build and maintain a self-service CI/CD platform with AI-driven optimizations, on-prem LLM hosting, and DevSecOps practices to speed up software delivery for Hexagon’s Geosystems team.
Senior Java Developer (Capital Markets)
Builds and maintains Java-based trading platforms for capital markets clients using Spring, Hibernate, and SQL, collaborating in Agile teams.
Lead Java Developer (e-commerce)
Lead a Java team building e-commerce or consumer platforms; drive architecture, code reviews, and AI-driven features in Spring/Kotlin ecosystems.