Mid-Level Java Developer - Enterprise Billing

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 fore…

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!

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Join the forefront of digital privacy with the world’s leading VPN!Are you a passionate problem-solver who thrives on innovation? Become a vital member of the team that developed Threat Protection Pro, the NordLynx protocol, and the fastest VPN globally—empowering users with enhanced privacy, security, and control over their online presence.Your contribution? Enable millions of users to regain control of their online security, privacy, and data.The Low-Level Server Side Team is at the helm of delivering VPN server software that serves millions of users worldwide.

Dentons Business Services EMEA supports legal professionals across Europe, the Middle East, and Africa, serving as the operational backbone for Dentons, the world’s largest law firm. The team in Warsaw brings together expertise in finance, IT, human resources, marketing, and more, working together to deliver reliable solutions and continuous improvement. The Billing Coordinator role centers on managing daily billing operations and guiding the billing team to ensure all billing activities are accurate, timely, and compliant with both internal policies and client requirements. This position combines hands-on billing work with team coordination and process oversight. What you will do Oversee the end-to-end billing process, maintaining accuracy and completeness in line with internal standards and client needs. Monitor billing workflows, resolve bottlenecks, and ensure deadlines are met for month-end and ad-hoc cycles. Maintain high data integrity within billing systems. Act as the main contact for complex, high-value, or sensitive billing matters, addressing discrepancies and client-specific requirements. Provide solutions for non-standard billing scenarios and support the team with guidance on escalations. Team coordination and stakeholder management Organize daily team workloads and set priorities to meet operational targets. Support induction and on-the-job training for billing staff, ensuring the team understands current billing policies and systems. Offer feedback to team members and contribute to performance discussions and development plans. Build effective working relationships with partners, fee earners, and colleagues across departments. Serve as a liaison for billing inquiries, communicating status, risks, and remediation plans clearly. Collaborate with other Finance teams to ensure adherence to client billing guidelines. Process improvement Identify and recommend ways to enhance billing processes and improve efficiency, including through automation and other methods.