Backend Entwicklung Jobs in Mainz

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Fullstack Developer (all genders) - Backend Focus

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Circunomics GmbH

Series A · $8.3M

Mainz, Rhineland-Palatinate, Germany

Permanent Employee

EUR70,000 - EUR80,000

2 months ago

PHPSymfonyAngularAWSTerraformDockerMicroservicesREST APIsDistributed systemsData modelingAutomated testingCI/CDCloud-native developmentAI coding assistantsAgile

Java Developer:in

Deutsche Bahn

Mainz, Rhineland-Palatinate, Germany

Full-time

Salary not specified

5 days ago

JavaSpring BootBackend DevelopmentMicroservicesMongoDBPostgreSQLTimescaleDBEvent-Driven Software DevelopmentScalable Service ArchitectureTroubleshootingTestingQuality AssuranceMonitoringPerformance OptimizationMQTTOPC UA

Software Engineer (m/w/d)

Deutsche Bahn

Mainz, Rhineland-Palatinate, Germany

Full-time

Salary not specified

2 weeks ago

SQLMS SQL ServerBackend DevelopmentScalable ServicesEnterprise ApplicationsWorkflow EnginesSeeburger BIS6RESTSOAPEDIFACTVDAReactAngularDatabase ManagementAgile CollaborationIncident Analysis

Senior Software Engineer - Java

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Lobster

Stuttgart, Baden-Württemberg, Germany, Munich, Bavaria, Germany, Tutzing, Bavaria, Germany, Berlin, Berlin, Germany, Potsdam, Brandenburg, Germany, Bremen, Bremen, Germany, Hamburg, Hamburg, Germany, Wiesbaden, Hesse, Germany, Hanover, Lower Saxony, Germany, Schwerin, Mecklenburg-Vorpommern, Germany, Dusseldorf, North Rhine-Westphalia, Germany, Mainz, Rhineland-Palatinate, Germany, Saarbrücken, Saarland, Germany, Dresden, Saxony, Germany, Magdeburg, Saxony-Anhalt, Germany, Kiel, Schleswig-Holstein, Germany, Erfurt, Thuringia, Germany, Amsterdam, North Holland, Netherlands

Permanent Employee

Salary not specified

7 months ago

JavaNetworkingNettyNIOHTTP/HTTPSLoad balancingConcurrencyMultithreadingTest automationJUnitMockitoPostgreSQLMongoDBKafkaAI-augmented engineeringTypeScript

AI Engineer / KI-Spezialist für Produktintegration (m/w/d)

DIS AG

Mainz, Rhineland-Palatinate, Germany

Full-time

Salary not specified

3 weeks ago

AI Agent DevelopmentLarge Language ModelsAI Product IntegrationPythonJavaPrompt OptimizationSoftware ArchitectureData ArchitectureAPI and Interface DesignBackend IntegrationDatabase KnowledgeData StructuresAI AutomationPerformance TestingResponse Quality EvaluationAnalytical Thinking

AI Engineer (m/w/d) - Anwendungsentwicklung, Ingenieur

ilume

Mainz, Rhineland-Palatinate, Germany

Full-time

Salary not specified

5 days ago

AI Application DevelopmentLarge Language ModelsAgentic AIAI FrameworksWorkflow AutomationBackend DevelopmentAPI DevelopmentRetrieval-Augmented GenerationDockerKubernetesCloud PlatformsCI/CDPythonFastAPILangChainInfrastructure as Code

Fullstack Developer (all genders) - Backend Focus

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Circunomics Career

Series A · $8.3M

Mainz, Rhineland-Palatinate, Germany

Permanent Employee

EUR70,000 - EUR80,000

2 months ago

PHPSymfonyAngularAWSTerraformDockerMicroservicesREST APIsDistributed systemsData modelingContinuous deliveryAutomated testingAI coding assistantsCloud-native developmentAgile

AI Engineer (m/w/d)

ilume

Mainz, Rhineland-Palatinate, Germany

Full-time

Salary not specified

6 months ago

Generative AILLMsAgentic AIPythonFastAPILangChainRAGn8nDockerKubernetesAWSAzureGCPCI/CDREST APIsBackend Development

AI Engineer (m/w/d)

ilume

Mainz, Rhineland-Palatinate, Germany

Full-time

Salary not specified

2 months ago

PythonFastAPIBackend DevelopmentAPI DevelopmentLarge Language ModelsAgentic AILangChainRetrieval-Augmented GenerationAI Workflow Automationn8nDockerKubernetesCloud PlatformsCI/CDTerraformOpen-Source LLMs

Flutter developer for mobile apps (m/f/d)

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Healy World GmbH

Mainz, Rhineland-Palatinate, Germany, Berlin, Germany

Permanent Employee

Salary not specified

3 months ago

FlutterDartAndroidiOSAPI IntegrationUI/UX DesignCI/CDGitHubGitLabTroubleshootingPerformance OptimizationAgile MethodologiesTechnical DocumentationMobile App Development

Lead AI Engineer (m/w/d)

ilume

Mainz, Rhineland-Palatinate, Germany

Full-time

Salary not specified

6 months ago

AI ArchitectureGenerative AILarge Language ModelsRetrieval-Augmented GenerationAgentic AIBackend DevelopmentPythonFastAPIJavaDockerKubernetesCloud PlatformsInfrastructure as CodeCI/CDTerraformGitOps

Java Developer (m/w/d)

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virtual7 GmbH

Karlsruhe, Baden-Württemberg, Germany, Stuttgart, Baden-Württemberg, Germany, Munich, Bavaria, Germany, Nuremberg, Bavaria, Germany, Bonn, North Rhine-Westphalia, Germany, Cologne, North Rhine-Westphalia, Germany, Düsseldorf, North Rhine-Westphalia, Germany, Mainz, Rhineland-Palatinate, Germany, Berlin, Germany, Hamburg, Germany

Full-time

Salary not specified

10 months ago

JavaJEESpring BootREST Web ServicesUnit TestsIntegration TestsJUnitCI/CDJenkinsDockerKafkaRelational DatabasesOraclePostgresJBossMockito

(Senior) Software Developer (m/w/d)

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ZDF Digital Medienproduktion GmbH

Mainz, Rhineland-Palatinate, Germany

Festanstellung

EUR42,000 - EUR75,000

5 months ago

Software developmentScrumCI/CD pipelinesCloud deploymentIonicReactAngularRustGoKotlinPHPSQLNoSQLPostgreSQLMongoDBGoogle Cloud

Fullstack Developer (m/w/d)

Easy Apply

virtual7 GmbH

Full-time

Salary not specified

10 months ago

Java/JEESpring BootREST WebservicesJavaScriptTypeScriptUnit TestsIntegration TestsJUnitCI/CDJenkinsDockerRelational DatabasesOraclePostgresJBossMockito

Investment Analyst Intern

Confidential Investment Firm

London, United Kingdom

Internship

Salary not specified

2 days ago

Financial ModelingValuationExcelDue DiligenceLBO ModelingMarket ResearchPowerPointDeal SourcingPortfolio MonitoringFinancial AnalysisAccountingData Rooms

Junior Analyst (m/f/d)

Stealth Startup

Berlin, Germany

Full-time

Salary not specified

5 days ago

Data AnalysisSQLReportingPowerPointPythonDashboardingStakeholder ManagementProcess ImprovementForecastingTableauCommunication

Graduate Program 2027

Global Advisory Group

Paris, France

Full-time

Salary not specified

1 weeks ago

StrategyMarket ResearchClient CommunicationBusiness AnalysisProject ManagementExcelStoryliningBenchmarkingCompetitive AnalysisPresentation SkillsProblem Solving

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Fullstack Developer (all genders) - Backend Focus

• via Personio

Circunomics GmbH

Series A · $8.3M

Mainz, Rhineland-Palatinate, Germany

Permanent Employee

EUR70,000 - EUR80,000

2 months ago

Hybrid

Key Skills

PHPSymfonyAngularAWSTerraformDockerMicroservicesREST APIsDistributed systemsData modelingAutomated testingCI/CDCloud-native developmentAI coding assistantsAgile

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