Mid Level Java Developer Enterprise Billing jobs in Warsaw – Browse 455 openings on RoboApply Jobs

Mid Level Java Developer Enterprise Billing jobs in Warsaw

Open roles matching “Mid Level Java Developer Enterprise Billing” with location signals for Warsaw. 455 active listings on RoboApply Jobs.

455 jobs found

1 - 20 of 455 Jobs
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companyBox, Inc. logo
Full-time|On-site|Warsaw, Poland

About BoxBox is the world's premier Content Cloud, relied upon by over 115,000 organizations globally, including nearly 70% of Fortune 500 companies and leaders in highly regulated sectors. Our platform not only safeguards data but also enhances collaboration and streamlines essential workflows through secure enterprise AI.Joining Box means being at the forefront of innovation in content management. With our mission to infuse intelligence into content management, we aim to empower our clients to revolutionize workflows across their organizations. With a blend of AI and enterprise content, the potential to redefine how teams collaborate has never been greater, and at Box, you will play a pivotal role in this transformation.Founded in 2005, Box is headquartered in Redwood City, California, with offices across the U.S., Europe, and Asia.Why We Need YouThe Enterprise Billing team is a newly established group within the Enterprise Engineering domain. This team collaborates closely with other engineering and finance teams at Box to develop and uphold various billing-related tools and systems, including enterprise event creation pipelines, entitlement management, billing processes, pricing and packaging strategies, along with reporting and analytics.Your ResponsibilitiesDesign, develop, and maintain backend services, APIs, and system components.Engage in code reviews to uphold code quality, maintainability, and best practices.Write and maintain automated tests to ensure system stability and reliability.Collaborate with cross-functional teams in a Scrum environment.Monitor, troubleshoot, and resolve backend performance or stability issues.Participate in our on-call rotation and be available to respond to and manage any issues that arise.About You4+ years of professional software development experience.Strong coding skills with demonstrated proficiency in Java and related technologies.

Mar 11, 2026
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companyBox Inc. logo
Full-time|On-site|Warsaw, Poland

Join Box Inc. as a Mid-Level Java Engineer and take part in building innovative solutions that streamline processes and enhance user experiences. You will collaborate with a team of talented developers, contributing to the design, development, and maintenance of high-quality software applications.We value creativity, teamwork, and a passion for technology. If you are eager to tackle challenging problems and develop your skills in a supportive environment, we would love to hear from you!

Apr 7, 2026
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companyaltersolutions logo
Full-time|On-site|Warsaw

Join altersolutions as a Mid/Senior Java Developer and take part in exciting projects that shape the future of technology. In this role, you will leverage your expertise in Java development to create innovative solutions and enhance existing systems. You will collaborate with cross-functional teams to deliver high-quality software in a dynamic, fast-paced environment.

Apr 15, 2025
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companyBox Inc. logo
Full-time|On-site|Warsaw, Poland

Role overview Box Inc. seeks a Mid-Level Python Developer based in Warsaw, Poland. The role focuses on building web applications that are both efficient and scalable. Work alongside a team of experienced developers, contributing directly through hands-on coding and participating in peer code reviews. Writing clean, maintainable Python code is central to this position. What you will do Develop and maintain web applications using Python Write code that remains clear, organized, and easy to support Participate in code reviews to help maintain quality standards Collaborate with teammates to address technical challenges Requirements Enjoys working through complex problems Proactive and willing to learn Comfortable contributing in a collaborative environment

Apr 23, 2026
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companyTalan logo
Full-time|On-site|Warsaw

Role overview Talan is seeking a Mid-Level Backend Spark Developer to join the team in Warsaw. This role centers on building and maintaining backend systems, with Apache Spark as a primary tool. The work directly supports ongoing projects and plays a key part in meeting team objectives. What you will do Develop backend solutions that use Spark as a central technology Collaborate with colleagues from various disciplines to deliver dependable software Support project progress by helping meet milestones and upholding technical standards Location This position is based in Warsaw.

Apr 23, 2026
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companyJobs for Humanity logo
Full-time|On-site|Warsaw

Join our dynamic team at Jobs for Humanity as a Mid-Level Full-Stack Developer. In this role, you will play a pivotal role in developing and maintaining web applications that make a difference for job seekers around the world. You will work on both front-end and back-end development, collaborating with cross-functional teams to deliver high-quality software solutions.

Jan 21, 2026
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companyaltersolutions logo
Full-time|On-site|Warsaw

The project involves enhancing the architecture of a system that supports clients in branches and partner locations.RESPONSIBILITIES:Participate in architectural changes to the system.Implement new functionalities using Angular 19 and Java 21.Refactor existing code for improved performance.Create integrations with REST services.Optimize performance and implement security solutions.Assist in designing and documenting technical specifications.

Jul 31, 2025
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

Join our dynamic team as a Java Developer, where you will play a pivotal role in the design, implementation, and development of backend microservices that support post-sales processes related to account management. This project utilizes a microservices architecture that allows for flexible scaling and seamless integration with our existing ecosystem of systems.A key aspect of this role involves integrating with databases and external systems, including financial systems and CRM platforms, to ensure data consistency and automate business processes.

Oct 16, 2025
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companyOxylabs logo
Full-time|Remote|Warsaw

Oxylabs, headquartered in Warsaw, develops proxy and web data scraping solutions for a diverse client base, including Fortune 500 companies. The company’s team of over 500 professionals tackles large-scale technical challenges together. Role overview This remote mid-level PHP developer position centers on managing and enhancing the infrastructure behind Oxylabs’ data platforms. The systems you will help support are built to handle vast amounts of data and high-volume traffic. Key infrastructure details Ceph storage exceeding 6 petabytes Monthly data traffic of more than 60 petabytes Over 300,000 service requests each second Streaming upwards of 500,000 Kafka messages per second What you will do The work focuses on solving complex technical problems and strengthening the core systems that power Oxylabs’ data-driven products. Expect to contribute directly to the reliability and scalability of this infrastructure.

Apr 23, 2026
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companyAltersolutions logo
Full-time|On-site|Warsaw

Join Altersolutions as a Java Developer and contribute to exciting projects in a dynamic environment. We are looking for a talented individual who is passionate about technology and eager to develop innovative solutions. You will be part of a collaborative team, working on various Java applications, contributing to both new developments and enhancements of existing systems.

May 16, 2025
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

Join our dynamic team at altersolutions as a Mid/Senior Java Developer! We are looking for passionate and skilled developers who are eager to tackle exciting challenges and contribute to innovative software solutions. In this role, you will work closely with cross-functional teams to design, develop, and implement Java-based applications that meet client needs and enhance user experiences.

Jun 4, 2025
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

Join altersolutions as a Mid/Senior Java Developer and collaborate with our dynamic team to create innovative software solutions. You will be responsible for designing, developing, and maintaining high-quality Java applications. This is a fantastic opportunity to work in a fast-paced environment where your contributions will be valued.

Apr 14, 2025
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

We are seeking a skilled Java Developer to join our dynamic team responsible for advancing modern electronic banking systems. This project focuses on developing a versatile electronic banking application for both Android and iOS platforms. As the team undergoes reorganization, we are innovating new backend solutions to facilitate communication between the mobile application and the web service.

Jul 23, 2025
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

Join our dynamic team as an Angular Developer, where you will be instrumental in developing and modifying code for the front-end of a brokerage platform. Collaborate closely with full-stack and back-end developers to create comprehensive solutions using Java and Angular.Contribute to system architecture changes.Implement new features using Angular.Refactor existing code to enhance performance.Develop integrations with RESTful services.Optimize application performance and implement security solutions.Assist with technical design and documentation.

Nov 5, 2025
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

Join altersolutions as a Mid/Senior Angular Developer in Warsaw, where you will have the opportunity to work on innovative projects and enhance your skills in a collaborative environment. You will be responsible for developing dynamic web applications using Angular, collaborating with cross-functional teams to design and implement user-friendly interfaces.

Apr 30, 2025
Apply
company
Full-time|On-site|Warsaw

Join Our Team at NordLayer!At NordLayer, we are on a mission to deliver scalable cybersecurity solutions tailored for modern businesses.Our innovative platform empowers teams to operate efficiently without the burden of security concerns. Trusted by over 11,000 global companies, NordLayer seamlessly integrates with any technology stack to safeguard users across borders.Your Role: As a DevOps Engineer, you will play a crucial role in enhancing and automating our infrastructure and CI/CD processes. Collaborating with Senior Engineers and cross-functional teams, you will implement best practices in DevOps, support robust and scalable cloud solutions, and ensure smooth software delivery. This is a fantastic opportunity for professional growth in a dynamic environment while contributing to our infrastructure automation initiatives.Key Responsibilities:Implement and maintain Infrastructure as Code (IaC) using Terraform.Develop, manage, and optimize Terraform modules.Oversee and enhance AWS Cloud infrastructure, ensuring performance, scalability, and availability.Assist in establishing and maintaining monitoring and logging systems (e.g., ELK, Grafana, Thruk).Provide technical support for infrastructure, CI/CD pipelines, and deployment processes.Troubleshoot and resolve infrastructure-related issues to ensure seamless operations.Document and uphold DevOps workflows, processes, and system configurations.

Apr 12, 2026
Apply
companyTalan logo
Full-time|On-site|Warsaw

Join Talan as a Mid-Level Business Analyst, where you will play a crucial role in bridging the gap between business needs and technology solutions. We are looking for a detail-oriented professional who can analyze business processes, identify areas for improvement, and collaborate with stakeholders to implement effective strategies.

Feb 16, 2026
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

We are seeking a highly skilled Senior Java Developer to join our talented team at altersolutions. In this role, you will be instrumental in designing, developing, and deploying robust Java applications that meet our clients' needs. Your expertise will help drive innovation and efficiency within our projects.The ideal candidate will possess a deep understanding of Java technologies, frameworks, and best practices. You will collaborate with cross-functional teams to deliver high-quality software solutions on time and within budget.

Jun 5, 2025
Apply
companynetcompany1 logo
Full-time|On-site|Warsaw

Join our dynamic team as a Junior Java Developer and embark on an exciting journey with netcompany1, where innovation meets technology! In this role, you will have the opportunity to work on cutting-edge projects, collaborate with experienced developers, and enhance your coding skills in a supportive environment.

Mar 24, 2026
Apply
companynetcompany1 logo
Full-time|On-site|Warsaw

Join our dynamic team as a Java Developer (f/m) and play a pivotal role in designing and developing innovative software solutions. You will work closely with cross-functional teams to deliver high-quality applications that meet the needs of our clients.In this position, you will leverage your expertise in Java programming, development frameworks, and best practices to create robust applications. Your contributions will directly impact the success of our projects and the satisfaction of our clients.

Mar 24, 2026

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1 - 20 of 455 Jobs
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companyBox, Inc. logo
Full-time|On-site|Warsaw, Poland

About BoxBox is the world's premier Content Cloud, relied upon by over 115,000 organizations globally, including nearly 70% of Fortune 500 companies and leaders in highly regulated sectors. Our platform not only safeguards data but also enhances collaboration and streamlines essential workflows through secure enterprise AI.Joining Box means being at the forefront of innovation in content management. With our mission to infuse intelligence into content management, we aim to empower our clients to revolutionize workflows across their organizations. With a blend of AI and enterprise content, the potential to redefine how teams collaborate has never been greater, and at Box, you will play a pivotal role in this transformation.Founded in 2005, Box is headquartered in Redwood City, California, with offices across the U.S., Europe, and Asia.Why We Need YouThe Enterprise Billing team is a newly established group within the Enterprise Engineering domain. This team collaborates closely with other engineering and finance teams at Box to develop and uphold various billing-related tools and systems, including enterprise event creation pipelines, entitlement management, billing processes, pricing and packaging strategies, along with reporting and analytics.Your ResponsibilitiesDesign, develop, and maintain backend services, APIs, and system components.Engage in code reviews to uphold code quality, maintainability, and best practices.Write and maintain automated tests to ensure system stability and reliability.Collaborate with cross-functional teams in a Scrum environment.Monitor, troubleshoot, and resolve backend performance or stability issues.Participate in our on-call rotation and be available to respond to and manage any issues that arise.About You4+ years of professional software development experience.Strong coding skills with demonstrated proficiency in Java and related technologies.

Mar 11, 2026
Apply
companyBox Inc. logo
Full-time|On-site|Warsaw, Poland

Join Box Inc. as a Mid-Level Java Engineer and take part in building innovative solutions that streamline processes and enhance user experiences. You will collaborate with a team of talented developers, contributing to the design, development, and maintenance of high-quality software applications.We value creativity, teamwork, and a passion for technology. If you are eager to tackle challenging problems and develop your skills in a supportive environment, we would love to hear from you!

Apr 7, 2026
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

Join altersolutions as a Mid/Senior Java Developer and take part in exciting projects that shape the future of technology. In this role, you will leverage your expertise in Java development to create innovative solutions and enhance existing systems. You will collaborate with cross-functional teams to deliver high-quality software in a dynamic, fast-paced environment.

Apr 15, 2025
Apply
companyBox Inc. logo
Full-time|On-site|Warsaw, Poland

Role overview Box Inc. seeks a Mid-Level Python Developer based in Warsaw, Poland. The role focuses on building web applications that are both efficient and scalable. Work alongside a team of experienced developers, contributing directly through hands-on coding and participating in peer code reviews. Writing clean, maintainable Python code is central to this position. What you will do Develop and maintain web applications using Python Write code that remains clear, organized, and easy to support Participate in code reviews to help maintain quality standards Collaborate with teammates to address technical challenges Requirements Enjoys working through complex problems Proactive and willing to learn Comfortable contributing in a collaborative environment

Apr 23, 2026
Apply
companyTalan logo
Full-time|On-site|Warsaw

Role overview Talan is seeking a Mid-Level Backend Spark Developer to join the team in Warsaw. This role centers on building and maintaining backend systems, with Apache Spark as a primary tool. The work directly supports ongoing projects and plays a key part in meeting team objectives. What you will do Develop backend solutions that use Spark as a central technology Collaborate with colleagues from various disciplines to deliver dependable software Support project progress by helping meet milestones and upholding technical standards Location This position is based in Warsaw.

Apr 23, 2026
Apply
companyJobs for Humanity logo
Full-time|On-site|Warsaw

Join our dynamic team at Jobs for Humanity as a Mid-Level Full-Stack Developer. In this role, you will play a pivotal role in developing and maintaining web applications that make a difference for job seekers around the world. You will work on both front-end and back-end development, collaborating with cross-functional teams to deliver high-quality software solutions.

Jan 21, 2026
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

The project involves enhancing the architecture of a system that supports clients in branches and partner locations.RESPONSIBILITIES:Participate in architectural changes to the system.Implement new functionalities using Angular 19 and Java 21.Refactor existing code for improved performance.Create integrations with REST services.Optimize performance and implement security solutions.Assist in designing and documenting technical specifications.

Jul 31, 2025
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

Join our dynamic team as a Java Developer, where you will play a pivotal role in the design, implementation, and development of backend microservices that support post-sales processes related to account management. This project utilizes a microservices architecture that allows for flexible scaling and seamless integration with our existing ecosystem of systems.A key aspect of this role involves integrating with databases and external systems, including financial systems and CRM platforms, to ensure data consistency and automate business processes.

Oct 16, 2025
Apply
companyOxylabs logo
Full-time|Remote|Warsaw

Oxylabs, headquartered in Warsaw, develops proxy and web data scraping solutions for a diverse client base, including Fortune 500 companies. The company’s team of over 500 professionals tackles large-scale technical challenges together. Role overview This remote mid-level PHP developer position centers on managing and enhancing the infrastructure behind Oxylabs’ data platforms. The systems you will help support are built to handle vast amounts of data and high-volume traffic. Key infrastructure details Ceph storage exceeding 6 petabytes Monthly data traffic of more than 60 petabytes Over 300,000 service requests each second Streaming upwards of 500,000 Kafka messages per second What you will do The work focuses on solving complex technical problems and strengthening the core systems that power Oxylabs’ data-driven products. Expect to contribute directly to the reliability and scalability of this infrastructure.

Apr 23, 2026
Apply
companyAltersolutions logo
Full-time|On-site|Warsaw

Join Altersolutions as a Java Developer and contribute to exciting projects in a dynamic environment. We are looking for a talented individual who is passionate about technology and eager to develop innovative solutions. You will be part of a collaborative team, working on various Java applications, contributing to both new developments and enhancements of existing systems.

May 16, 2025
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

Join our dynamic team at altersolutions as a Mid/Senior Java Developer! We are looking for passionate and skilled developers who are eager to tackle exciting challenges and contribute to innovative software solutions. In this role, you will work closely with cross-functional teams to design, develop, and implement Java-based applications that meet client needs and enhance user experiences.

Jun 4, 2025
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

Join altersolutions as a Mid/Senior Java Developer and collaborate with our dynamic team to create innovative software solutions. You will be responsible for designing, developing, and maintaining high-quality Java applications. This is a fantastic opportunity to work in a fast-paced environment where your contributions will be valued.

Apr 14, 2025
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

We are seeking a skilled Java Developer to join our dynamic team responsible for advancing modern electronic banking systems. This project focuses on developing a versatile electronic banking application for both Android and iOS platforms. As the team undergoes reorganization, we are innovating new backend solutions to facilitate communication between the mobile application and the web service.

Jul 23, 2025
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

Join our dynamic team as an Angular Developer, where you will be instrumental in developing and modifying code for the front-end of a brokerage platform. Collaborate closely with full-stack and back-end developers to create comprehensive solutions using Java and Angular.Contribute to system architecture changes.Implement new features using Angular.Refactor existing code to enhance performance.Develop integrations with RESTful services.Optimize application performance and implement security solutions.Assist with technical design and documentation.

Nov 5, 2025
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

Join altersolutions as a Mid/Senior Angular Developer in Warsaw, where you will have the opportunity to work on innovative projects and enhance your skills in a collaborative environment. You will be responsible for developing dynamic web applications using Angular, collaborating with cross-functional teams to design and implement user-friendly interfaces.

Apr 30, 2025
Apply
company
Full-time|On-site|Warsaw

Join Our Team at NordLayer!At NordLayer, we are on a mission to deliver scalable cybersecurity solutions tailored for modern businesses.Our innovative platform empowers teams to operate efficiently without the burden of security concerns. Trusted by over 11,000 global companies, NordLayer seamlessly integrates with any technology stack to safeguard users across borders.Your Role: As a DevOps Engineer, you will play a crucial role in enhancing and automating our infrastructure and CI/CD processes. Collaborating with Senior Engineers and cross-functional teams, you will implement best practices in DevOps, support robust and scalable cloud solutions, and ensure smooth software delivery. This is a fantastic opportunity for professional growth in a dynamic environment while contributing to our infrastructure automation initiatives.Key Responsibilities:Implement and maintain Infrastructure as Code (IaC) using Terraform.Develop, manage, and optimize Terraform modules.Oversee and enhance AWS Cloud infrastructure, ensuring performance, scalability, and availability.Assist in establishing and maintaining monitoring and logging systems (e.g., ELK, Grafana, Thruk).Provide technical support for infrastructure, CI/CD pipelines, and deployment processes.Troubleshoot and resolve infrastructure-related issues to ensure seamless operations.Document and uphold DevOps workflows, processes, and system configurations.

Apr 12, 2026
Apply
companyTalan logo
Full-time|On-site|Warsaw

Join Talan as a Mid-Level Business Analyst, where you will play a crucial role in bridging the gap between business needs and technology solutions. We are looking for a detail-oriented professional who can analyze business processes, identify areas for improvement, and collaborate with stakeholders to implement effective strategies.

Feb 16, 2026
Apply
companyaltersolutions logo
Full-time|On-site|Warsaw

We are seeking a highly skilled Senior Java Developer to join our talented team at altersolutions. In this role, you will be instrumental in designing, developing, and deploying robust Java applications that meet our clients' needs. Your expertise will help drive innovation and efficiency within our projects.The ideal candidate will possess a deep understanding of Java technologies, frameworks, and best practices. You will collaborate with cross-functional teams to deliver high-quality software solutions on time and within budget.

Jun 5, 2025
Apply
companynetcompany1 logo
Full-time|On-site|Warsaw

Join our dynamic team as a Junior Java Developer and embark on an exciting journey with netcompany1, where innovation meets technology! In this role, you will have the opportunity to work on cutting-edge projects, collaborate with experienced developers, and enhance your coding skills in a supportive environment.

Mar 24, 2026
Apply
companynetcompany1 logo
Full-time|On-site|Warsaw

Join our dynamic team as a Java Developer (f/m) and play a pivotal role in designing and developing innovative software solutions. You will work closely with cross-functional teams to deliver high-quality applications that meet the needs of our clients.In this position, you will leverage your expertise in Java programming, development frameworks, and best practices to create robust applications. Your contributions will directly impact the success of our projects and the satisfaction of our clients.

Mar 24, 2026

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