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Backend Developer - Java Poland Jobs

5 Job Offers

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Backend Developer
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Join our vibrant team in Poznań or remotely across Poland as a Backend Developer. You'll build scalable solutions for Tellent Recruitee using Elixir (or transition from Ruby/Python/Java). Enjoy a collaborative, "come-as-you-are" culture with a €1k training budget, home office setup, and 30+ days ...
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Poland , Poznań
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11600.00 - 16600.00 PLN / Month
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Junior-Intermediate .NET Backend Developer
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Join our team in Gdańsk as a Junior-Intermediate .NET Backend Developer. You will develop and maintain SaaS applications using C#, .NET, and AWS in a microservices environment. We offer a hybrid model, professional development, and a role in aviation tech. Apply your skills in coding, testing, an...
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Poland , Gdańsk
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Not provided
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NAVBLUE Limited
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Until further notice
Backend Python Developer
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Join RTB House, a global leader in Deep Learning ad tech, as a Backend Python Developer in Poland. Design and maintain internal applications for real-time bidding, focusing on scalability and reliability. Work with Python, PostgreSQL, and APIs in a collaborative team with high autonomy. Contribut...
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Poland
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Not provided
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RTB House
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Until further notice
Backend Python Developer
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Join RTB House, a global leader in Deep Learning ad tech, as a Backend Python Developer in Poland. Design and maintain internal applications for real-time bidding, focusing on scalability and reliability. Work with Python, PostgreSQL, and APIs in a collaborative team with high autonomy. Contribut...
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Poland
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Not provided
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RTB House
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Until further notice
Senior Backend Developer
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Join our Warsaw team as a Senior Backend Developer. Design and build secure core services for ORA, integrating with KMS via KMIP. Utilize your expertise in Java/Golang/Python, Kubernetes, OpenStack, and cryptography. Enjoy private medical care, a Multisport card, and life insurance.
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Poland , Warszawa
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160.00 - 180.00 PLN / Hour
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Cyclad Sp. z o.o.
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Until further notice
Embark on a rewarding career path by exploring Backend Developer - Java jobs, a cornerstone role in the modern technology landscape. A Backend Developer specializing in Java is the architect behind the server-side logic, databases, and application programming interfaces (APIs) that power web and mobile applications. While users interact with a sleek front-end interface, it is the backend developer who builds the complex engine, ensuring data is processed, stored, and delivered securely and efficiently. This role is critical for creating the robust, scalable, and high-performance systems that businesses rely on for their digital operations. Professionals in these roles typically engage in the entire software development lifecycle. Common responsibilities include designing and implementing new application systems and programs, writing clean, maintainable, and well-tested code, and developing robust APIs, particularly RESTful services using frameworks like Spring Boot. They are tasked with building and maintaining microservices architectures, which break down large applications into smaller, independent, and scalable services. A significant part of the job involves investigating and resolving bugs or production issues, performing system integrations, and ensuring that all development activities align with business requirements. Collaboration is key; backend developers frequently work within agile teams, interacting with front-end developers, product managers, and other stakeholders to deliver cohesive and high-quality technology solutions. To succeed in Backend Developer - Java jobs, a specific and robust skill set is required. Core proficiency in Java, including a deep understanding of its modern features and versions, is fundamental. Employers consistently seek experience with the Spring Framework ecosystem, especially Spring Boot and Spring Cloud for microservices development. A firm grasp of software design patterns and principles, such as Object-Oriented Programming (OOP) and Test-Driven Development (TDD), is essential for creating sustainable code. Technical requirements often include hands-on experience with relational and non-relational databases (e.g., PostgreSQL, MongoDB), version control systems like Git, and containerization technologies such as Docker and Kubernetes. Knowledge of distributed systems and messaging frameworks like Apache Kafka is highly valued, as is experience with cloud platforms (AWS, Azure, or GCP). Beyond technical acumen, successful candidates possess strong problem-solving abilities, excellent communication skills for effective teamwork, and a commitment to continuous learning to stay current with the rapidly evolving Java ecosystem and backend technologies. If you are passionate about building the foundational technology that drives digital innovation, a career in Backend Java development offers a challenging and fulfilling opportunity.

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