Backend Entwicklung Jobs für Berufseinsteiger in Köln

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Fullstack Developer (m/w/d) – Konstanz, Berlin oder remote

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Karriere - SEITENBAU

Team +16%

Konstanz, Baden-Württemberg, Germany, Cologne, North Rhine-Westphalia, Germany, Berlin, Germany

Festanstellung

Salary not specified

5 weeks ago

JavaSpring BootJavaScriptAngularReactVueTypeScriptHTMLCSSJUnitPlaywrightAgileSoftware EngineeringArtificial IntelligenceUnit TestingSystem Testing

Software Engineering Consultant (2026/27 Graduate)

Netlight

Cologne, North Rhine-Westphalia, Germany

Full-time

Salary not specified

2 months ago

Full-Stack DevelopmentBackend DevelopmentData ScienceData EngineeringCloud SolutionsSoftware ArchitectureWeb DevelopmentArtificial IntelligenceDevOpsSoftware EngineeringGermanEnglish

Trainee SAP Software Developer (all genders)

adesso business consulting AG

Cologne, North Rhine-Westphalia, Germany

Full-time

Salary not specified

3 months ago

SAP DevelopmentABAPBackend DevelopmentFrontend DevelopmentSAP Business Technology PlatformObject-Oriented ProgrammingWeb ProgrammingGermanEnglishConsulting

Talent Day Netlight Germany

Netlight

Munich, Bavaria, Germany, Frankfurt, Hesse, Germany, Cologne, North Rhine-Westphalia, Germany, Berlin, Germany, Hamburg, Germany

Event

Salary not specified

4 months ago

Software EngineeringData & AIProduct ManagementProject ManagementUX DesignCybersecurityBackend DevelopmentFrontend DevelopmentCloudMobile DevelopmentArchitectureBusiness IntelligenceData EngineeringDevOpsScrum MasterAgile Coaching

Full-Stack-Entwickler (m/w/d)

FERCHAU

Cologne, North Rhine-Westphalia, Germany

Full-time

EUR50,000 - EUR65,000

5 months ago

Full-Stack DevelopmentFrontend DevelopmentBackend DevelopmentC++C#JavaHTMLCSSJavaScriptPHPSQLNoSQLNode.jsAngularReactVue

Software Engineer (AI Training)

Alignerr

Team +60%

Cologne, North Rhine-Westphalia, Germany

Contractor

USD20 - USD100

3 months ago

PythonJavaScriptJavaC++GoTypeScriptData StructuresAlgorithmsSoftware DesignDebuggingCode ReviewTechnical WritingPrompt EngineeringLLMsCloud PlatformsDevOps

Software Engineer (AI Training)

Alignerr

Team +60%

Cologne, North Rhine-Westphalia, Germany

Contractor

USD20 - USD100

3 months ago

PythonJavaScriptJavaC++GoTypeScriptData StructuresAlgorithmsSoftware DesignDebuggingCode ReviewTechnical WritingPrompt EngineeringLLMsCloud PlatformsDevOps

Software Engineer (AI Training)

Alignerr

Team +60%

Cologne, North Rhine-Westphalia, Germany

Contractor

USD20 - USD100

3 months ago

PythonJavaScriptJavaC++GoTypeScriptData StructuresAlgorithmsSoftware DesignDebuggingCode ReviewTechnical WritingPrompt EngineeringLLMsCloud PlatformsDevOps

Software Engineer (AI Training)

Alignerr

Team +60%

Cologne, North Rhine-Westphalia, Germany

Contractor

USD20 - USD100

2 weeks ago

ProgrammingCode ReviewDebuggingAlgorithm DesignData StructuresSoftware DesignProblem SolvingTechnical WritingAI-Generated Code EvaluationPrompt EngineeringSecurity AnalysisPerformance OptimizationPythonJavaScriptJavaC++

Software Engineer (AI Training)

Alignerr

Team +60%

Cologne, North Rhine-Westphalia, Germany

Contractor

USD20 - USD100

3 months ago

PythonJavaScriptJavaC++GoTypeScriptData StructuresAlgorithmsSoftware DesignCode ReviewDebuggingTechnical WritingPrompt EngineeringLLMsCloud PlatformsDevOps

Software Engineer (AI Training)

Alignerr

Team +60%

Cologne, North Rhine-Westphalia, Germany

Contractor

USD20 - USD100

4 months ago

PythonJavaScriptJavaC++GoTypeScriptData StructuresAlgorithmsSoftware DesignDebuggingCode ReviewTechnical WritingPrompt EngineeringLLMsCloud PlatformsDevOps

Software Engineer (AI Training)

Alignerr

Team +60%

Cologne, North Rhine-Westphalia, Germany

Contractor

USD20 - USD100

4 months ago

PythonJavaScriptJavaC++GoTypeScriptData StructuresAlgorithmsSoftware DesignDebuggingCode ReviewTechnical WritingPrompt EngineeringLLMsCloud PlatformsDevOps

Software Engineer (AI Training)

Alignerr

Team +60%

Cologne, North Rhine-Westphalia, Germany

Contractor

USD20 - USD100

2 weeks ago

ProgrammingPythonJavaScriptJavaC++GoTypeScriptData StructuresAlgorithmsSoftware DesignCode ReviewDebuggingAI-Generated Code EvaluationProblem SolvingTechnical WritingPrompt Engineering

Software Engineer (AI Training)

Alignerr

Team +60%

Cologne, North Rhine-Westphalia, Germany

Contractor

USD20 - USD100

4 months ago

PythonJavaScriptJavaC++GoTypeScriptData StructuresAlgorithmsSoftware DesignDebuggingCode ReviewTechnical WritingPrompt EngineeringProblem SolvingLLMsCloud Platforms

Junior Software Engineer (w/d/m)

WE BUILD AI

Cologne, North Rhine-Westphalia, Germany

Full-time

Salary not specified

12 months ago

PythonFastAPIDjangoFlaskCloud ArchitecturesAzureAWSGCPAPIsCode ReviewsAI TechnologiesSQLNoSQLInfrastructure-as-CodeAutomationSoftware Development

(Junior-) Fullstack Developer SAP CAP / Node.js (m/w/d)

REWE Group

Cologne, North Rhine-Westphalia, Germany

Type not specified

Salary not specified

13 months ago

Node.jsSAP CAPSAP S/4HANAODataKafkaGitGitFlowCI/CDJavaScriptTest AutomationSAPUI5FioriABAP

(Junior-) Fullstack Developer SAP BTP (m/w/d)

REWE Group

Cologne, North Rhine-Westphalia, Germany

Type not specified

Salary not specified

13 months ago

Node.jsSAP BTPCAP-ModelGitGitFlowCI/CDJavaScriptTest AutomationSAPUI5FioriABAPODataKafkaAgile MethodologiesCode QualityScrum

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 (m/w/d) – Konstanz, Berlin oder remote

• via Personio

Karriere - SEITENBAU

Team +16%

Konstanz, Baden-Württemberg, Germany, Cologne, North Rhine-Westphalia, Germany, Berlin, Germany

Festanstellung

Salary not specified

5 weeks ago

Remote OK

Key Skills

JavaSpring BootJavaScriptAngularReactVueTypeScriptHTMLCSSJUnitPlaywrightAgileSoftware EngineeringArtificial IntelligenceUnit TestingSystem Testing

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