Senior Java / Kafka Developer

Main ResponsibilitiesDesign, develop, and maintain backend applications using Java (Spring Boot).Define, implement, and optimize event flows on Apache Kafka (topics, partitions, performance, security).Participate in software architecture decisions and the industrialization of real-time solutions.Ensure code quality through unit tests, continuous integration, and code reviews.Contribute to the deployment and monitoring of applications (CI/CD, monitoring, support).Collaborate closely with Product, Data, and Infrastructure teams.Provide insightful suggestions for improving technical and methodological best practices.

We are seeking a talented and driven Java / J2EE Developer to join our dynamic team in Paris. In this role, you will have the opportunity to work on cutting-edge projects, utilizing your skills in Java development to create robust and scalable applications. If you are passionate about technology and eager to contribute to innovative solutions, we want to hear from you!

About TeadsTeads is a premier omnichannel advertising platform dedicated to delivering exceptional outcomes for brand and performance advertisers across various screens. By focusing on impactful business results for branding and performance goals, Teads harnesses the power of predictive AI technology to connect high-quality media with stunning brand creative, ensuring context-driven addressability and measurement. We collaborate directly with over 10,000 publishers and 20,000 advertisers worldwide. Our headquarters is located in New York City, and our global workforce comprises around 1,700 talented individuals across more than 30 countries.Discover more at www.teads.com.About the OpportunityWe are seeking a skilled Cloud Engineer to become part of our dynamic team of engineers who are passionate about creating premium scalable solutions. Each day presents us with intriguing and challenging tasks.Join our enthusiastic team in building quality and responsible advertising at scale!Engineering Challenges at TeadsOperating in a highly high-traffic environment (2.2 billion users monthly, 100 billion events daily) while maintaining low latency and high availability standards (2 million requests per second, with responses in under 150 milliseconds).Utilizing a rich and diverse tech stack and system architecture to enhance performance, scalability, resiliency, and cost efficiency. Our primary technologies include Java, Scala, Golang, Python, and TypeScript, among others.Managing large datasets with millisecond-level access times to execute complex auction resolution algorithms (18 million predictions per second).

Join Talan as a Senior Java Tech Lead in our dynamic Engineering & Development IT department. In this pivotal role, you will lead innovative projects, mentor a talented team of developers, and drive the adoption of best practices in software development. Your expertise in Java and leadership skills will be essential in delivering high-quality solutions that meet our clients' needs.

believe is hiring a Senior Software Engineer with a focus on React and Java for its Paris office. This role centers on creating web applications that deliver effective user experiences. Key responsibilities Design and build web applications using React and Java Collaborate with colleagues across different teams to understand requirements and deliver solutions Support ongoing enhancements to software products Location This position is based in Paris.

Join our dynamic team at believe as a Senior Software Engineer. In this pivotal role, you will leverage your expertise in React and Java to design and implement innovative software solutions that enhance our platform and improve user experience.Your contributions will be vital in driving our projects forward and ensuring the effective delivery of high-quality software. We are looking for a passionate engineer who thrives in a collaborative environment and is eager to tackle complex challenges.

Join Believe, a leading digital music company, as a Senior Java Software Engineer. In this role, you will contribute to designing and developing innovative software solutions that support our dynamic music platform. You will collaborate with cross-functional teams to ensure high-quality software delivery and contribute to the continuous improvement of our engineering practices.

Join our innovative team at Meritis as a Java Angular Developer (H/F) in the heart of Paris! We are looking for a passionate and skilled developer who thrives in a dynamic environment and is eager to contribute to exciting projects. You will be responsible for developing robust applications using Java and Angular, collaborating with cross-functional teams to deliver high-quality software solutions.

Job Overview:We are seeking a talented Java AWS Developer with a strong OPS inclination to join one of our esteemed clients in the transportation sector. This role involves participating in the redesign of one of their strategic tools. You will have the opportunity to:Engage actively in team dynamicsParticipate in various SCRUM ceremoniesTake ownership of your tasksMaintain the team's toolsDeliver high-quality outputs while managing project costsEstimate workload and task complexities for ongoing developmentsFollow agile practices for deliverables, including Java development, unit testing (TDD), and automated functional testing (BDD)Communicate alerts and progress on tasksContribute to the team's technical architecture studiesEnsure smooth deployment of releases and handover to client teamsMeet acceptance criteria for releasesProvide high-level support for operational issues encountered during production or ongoing operationsTechnical Environment:Java/J2EESpring BootKotlinAWSREST/SOAPJenkinsAgile methodologies, BDDAre You Ready to Join Us?If you are eager to be part of a learning organization committed to your professional development and personal projects, then Apside Paris is the place for you!

Join our dynamic team at Altersolutions as a Senior Software Engineer specializing in Java Spring Boot. We are seeking a highly skilled and motivated individual who thrives in a fast-paced environment and is eager to take on challenging projects. In this role, you will be responsible for designing, developing, and maintaining robust software applications that meet our clients' needs.

Role Overview Nexton is hiring a Java Angular Developer (Mid-Senior Level) for its Paris office. The company works across the Telco, Media, and Transport sectors, building software that supports business goals and improves user experiences. What You Will Do Develop and maintain applications using Java and Angular Work closely with colleagues from different teams to deliver reliable software solutions Contribute technical expertise to projects that matter to the business Location This role is based in Paris.

Join Altersolutions as a Java Angular Developer H/F, where you will be part of a dynamic team tasked with developing innovative web applications. We are looking for someone with a passion for technology and a strong foundation in Java and Angular frameworks.

Join Alten, a leading technology consulting company, as a Java/Angular Developer. In this exciting role, you will be responsible for designing and developing innovative web applications that enhance user experiences. You will collaborate with cross-functional teams to deliver high-quality software solutions while adhering to best practices in software development.

Join our dynamic team at Alten as a Fullstack Java / React Developer (H/F). We are looking for passionate developers who thrive in innovative environments and are eager to work on exciting projects that push the boundaries of technology.

Role Overview Accor S.A. is hiring a Senior Java Backend Developer for its Paris office. This position focuses on building and maintaining backend systems that support hospitality services worldwide. What You Will Do Design, implement, and maintain backend solutions using Java. Work closely with team members to deliver systems that improve both internal operations and guest experiences. Contribute technical expertise to projects that drive service quality and efficiency. Impact Your work will shape the reliability and performance of core systems at Accor, directly supporting the way guests experience our services.

Join our innovative team at Meritis as a Fullstack Java Developer (H/F). We are looking for a talented individual who is passionate about technology and eager to work on diverse projects that challenge your skills and creativity.As a Fullstack Java Developer, you will be responsible for designing, implementing, and maintaining web applications using Java technologies. You will collaborate with cross-functional teams to deliver high-quality software solutions that meet client needs.

Join nexton, a leading company in the Telco Media Transport sector, as a skilled Java / React Developer. In this role, you will leverage your expertise to develop and maintain robust applications, collaborate with cross-functional teams, and contribute to innovative solutions that enhance user experiences.

Accor Corporate is looking for a Senior Java Backend Developer based in Paris. This role centers on designing, building, and maintaining backend systems that support the company’s core services. Main responsibilities Create and maintain backend components using Java Contribute to the stability and performance of systems that power Accor’s platforms Support ongoing improvements to user experience by ensuring backend reliability Key requirements Strong experience working with Java in backend development Ability to design and maintain scalable backend systems Comfort working in a collaborative environment to support business services This position offers the chance to influence how users interact with Accor’s digital services by improving the systems behind them.

EXCITING OPPORTUNITY: Fullstack Developer Java/React/AWS! Explore the Apsidian Life and become an Apsidien too //We could have asked Chat GPT to show you why Apside is the IT service company you need, but we prefer you discover it for yourself Discover your future mission // ContextClient: Transportation SectorTeam: Collaborative ExchangesWork Method: AgileRole: Contribute to backend development to evolve the product in line with project needs.Technical Environment: Kotlin/Java 11+, Spring, MongoDB, Git, Kubernetes, AWS MissionCode developmentUnit tests (TDD) and automated functional tests (BDD) and end-to-endPackaged applicationIssue analysis & support for operational problemsMaintain & contribute to CI/CD pipelinesDocumentationDeployment and monitoring of your application across all environments, from development to production. LocationÎle-de-France We offer you the following salary package //Contract: Permanent (CDI)Remuneration: based on profile(We first discuss, understand your skills/aspirations, and then agree on the salary. )Group Benefits: Swile restaurant card, mobility bonus, RTT, remote work agreement, health insurance, referral bonus…Agency Benefits: CE benefits, technical afterwork events, tech lead community, full coverage of health insurance, etc.Training: technical certifications, internal English lessons, access to a training catalog via our e-learning platform (Academy by Apside) or through our partner organizations.

Join our dynamic team at Magellan Partners as a Full Stack Java Developer! In this role, you will be responsible for designing, developing, and maintaining innovative software applications using Java technologies. You will work collaboratively with cross-functional teams to deliver high-quality solutions that meet our clients' needs.As a Full Stack Developer, you will leverage your expertise in both front-end and back-end development to create user-friendly applications. This is an exciting opportunity to enhance your skills and contribute to impactful projects in a fast-paced environment.