Java Developer @ SquareOne

3 days ago

Remote Warszawa, Czech Republic SquareOne Full time

What You Bring? 4+ years of hands-on experience in software development. Strong programming experience in Java, with proficiency in Hibernate and Spring Boot. Familiarity with JavaScript (any framework or flavor is a plus). Experience building cloud-based applications on Azure, AWS, or GCP using microservices architecture. A solid understanding of Scrum and agile methodologies. Excellent communication skills in Polish and English. Are you an experienced Java Developer looking for an opportunity to make an impact across diverse international projects? Join our dynamic team where innovation meets long-term collaboration. We are seeking a skilled Java Developer who thrives in agile environments, loves clean and efficient code, and enjoys the challenge of building scalable and secure systems. Why Join Us? Remote or hybrid work model – work from anywhere or join us in the office. B2B contract with competitive terms. Work on international projects across various domains. Long-term cooperation – grow with us over time. ,[Design, develop, and maintain high-quality, efficient, and reusable code that enhances user experience., Ensure the application meets performance, scalability, security, and maintainability standards., Participate in code reviews to identify architectural, performance, and security improvements., Support code organization, maintain quality, and help automate development pipelines., Follow established design patterns and coding standards, while benefiting from team mentorship., Troubleshoot and debug backend and interface software., Contribute to front-end architecture to ensure cohesive user interface implementations., Document technical changes and support ongoing system updates.] Requirements: Java, AWS, GCP, Microservices architecture, Hibernate, Spring Boot, JavaScript, Azure

  • Senior Full Stack @ SquareOne

    2 weeks ago

    Remote, Warsaw, Czech Republic SquareOne Full time

    Must have: 5+ years of relevant professional experience. Java 11+, Spring Boot, Hibernate. Experience in JavaScript (ES6) and TypeScript, with practical knowledge of JS libraries. HTML5, CSS3, Vue.js (v2 or v3), Quasar, Vuetify. Python 3.x scripting skills. Proficiency with Git. Database experience with PostgreSQL and MongoDB. Excellent communication and...

  • Haskell Developer @ SquareOne

    5 days ago

    Remote, Warsaw, Czech Republic SquareOne Full time

    Wyksztalcenie wyzsze w zakresie informatyki lub równowazne doswiadczenie. Silne doswiadczenie w programowaniu funkcyjnym, preferowany Haskell. Bardzo dobra znajomosc informatyki (algorytmy, struktury danych, zlozonosc obliczeniowa, wspólbieznosc). Wysoki poziom samodzielnosci. Dobre umiejetnosci komunikacyjne. Doswiadczenie w technicznym prowadzeniu...

  • .NET Software Architect @ SquareOne

    7 days ago

    Remote, Warsaw, Czech Republic SquareOne Full time

    8+ years of background in .NET application development Experience with large-scale products, solid understanding and practical experience with microservices architecture and distributed systems Proficiency in Mongo and/or SQL Server Experience with Azure Cloud, including different SaaS offerings (Service Bus, Blob, Redis, etc.) Experience leading teams to...

  • Java Developer @ Connectis_

    2 weeks ago

    Remote, Warszawa, Czech Republic Connectis_ Full time

    🔍 CZEGO OCZEKUJEMY OD CIEBIE? Minimum 5 lat doświadczenia na stanowisku Java Developer (Java 17+). Praca hybrydowa - wizyty w biurze 1-2x w miesiącu (Warszawa/Wrocław/Poznań). Znajomość: Spring, Spring boot, Hibernate, REST API, PostgreSQL. Doświadczenie z RabbitMQ, Mockito, Git, Maven. Podstawowa znajomość PL/SQL, JMS. Wykształcenie wyższe....

  • Data Migration Tester @ SquareOne

    3 days ago

    Remote, Warsaw, Czech Republic SquareOne Full time

    At least 3 years of testing experience (functional UI level tests, API testing, integration testing etc.), Minimum 1 year of experience in database or ETL testing, Understanding of data validation, mapping, and transformation principles, Strong SQL skills, Understanding of ETL processes, Familiarity with Airflow and SFTP-based exchange, Practical knowledge...

  • Senior Java Developer @ Efigence SA

    2 weeks ago

    Remote, Warszawa, Czech Republic Efigence SA Full time

    Minimum 6 years of experience in system implementation and deployment Very good knowledge of Java, Spring Boot Good knowledge of Docker, PostgreSQL, CI/CD Fluent in English (C1) A solution-oriented mindset Strong sense of responsibility, quality, goal orientation, and attention to detail Ability to work independently and collaboratively as part of a team ⭐...

  • Senior Fullstack Developer

    1 day ago

    Remote, Warszawa, Czech Republic Rits Center Full time

    Senior Full Stack Developer (Java + React) 📍 Location: Remote 📃 Contract type: B2B 💰 Rate: up to 25,000 PLN net + VAT / 6800 USD month 🚀 Start date: ASAP / flexible 📆 Project duration: Long-term cooperation ✅ Required Skills 6+ years of experience in backend development using Java and Spring Boot / Cloud 4+ years of...

  • Regular Java Developer @ Coforge

    5 days ago

    Remote, Czech Republic Coforge Full time

    Position Overview Under limited supervision, designs, develops, tests, and debugs complex backend software components and systems using modern Java technologies.The Software Engineer plays a key role in developing scalable, high-performance applications, contributes to architecture discussions, and ensures technical excellence across the software development...

  • Senior Java Developer @ Experis Polska

    2 weeks ago

    Remote, Warszawa, Czech Republic Experis Polska Full time

    Must have: 5+ years of commercial experience with Java, experience with Spring Boot and Kubernetes, good command of English. At least one of: AWS (e.g., Glue, S3, messaging), Postgres / DocumentDB, Payara migration experience, authorization configuration (OIDC), infrastructure knowledge (EKS, running microservices in the cloud). Nice to have: GitHub Actions,...

  • Senior Fullstack Developer

    3 days ago

    Remote, Warszawa, Czech Republic Integral Solutions Full time

    5+ years of commercial experience in Java and Spring (core and Boot/Cloud). Strong background in Functional Programming, including effective use of Java Streams. 4+ years of expertise in frontend development with React and other modern JavaScript frameworks/libraries, with focus on reactive UI design. 2+ years applying TDD/BDD practices using JUnit,...