Freelance Java jobs

247 live freelance, contract and interim Java roles, collected daily from recruitment-agency desks around the world — the postings that rarely make it to the big job boards.

247 live247 freelance45 remote

Site Reliability Engineer (SRE) - Early Talent

Freelanceonsite🇳🇱 Netherlands📍 Amsterdam, Netherlands⏱ 3-6 monthsPythonGoC++Java

Business Analyst / Insurance

Freelancehybrid🇩🇪 Germany📍 Hamburg, Germany⏱ 4-6 monthsJavaMQLegacy SystemsHost Systems

Data Scientist / Analyst

Freelancehybrid🇵🇱 Poland📍 Warsaw, Poland⏱ > 12 months + extensionPythonApache SparkScalaJava

Freelancehybrid🇵🇱 Poland📍 Warsaw, Poland⏱ > 12 monthsPythonPyTorchTensorFlowAWS

Senior Backend Developer/Architect - Test Data Platform

Freelancehybrid🇸🇪 Sweden📍 Stockholm Metropolitan Area, Sweden⏱ 7-9 monthsJavaMongoDBPostgreSQLOracle

Architecte Technique Senior Java/Python

Freelancehybrid🇫🇷 France📍 Paris⏱ 1 year + extensionApache KafkaDockerJavaPython

Développeur LoanIQ - Banque

Freelancehybrid🇫🇷 France📍 Paris⏱ 1 year + extensionAPIBatchBusiness ObjectJava

Test Leader - Recouvrement

Freelancehybrid🇫🇷 France📍 Lille⏱ 1 year + extensionJavaMainframePostmanSafe

Senior ontwerper

Freelancehybrid🇳🇱 Netherlands📍 Utrecht⏱ 8 monthsJavaKotlinAngular.NET

Senior Test Engineer

Freelancehybrid🇳🇱 Netherlands📍 Leeuwarden⏱ 12 months + extensionJavaSeleniumRobot FrameworkOracle

Medior/Senior Back-end softwareontwikkelaar (2FTE)(VNR-85131)

Freelanceonsite🇳🇱 Netherlands📍 Utrecht⏱ 8 monthsJavaKotlin.NetSpring Boot

Java Software Engineer Athens 66777

Freelancehybrid🇬🇷 Greece📍 AthensJavaSpringSpring AOPReact

application developer

Freelancehybrid🇬🇷 Greece📍 Athens, Northern SuburbsJavaPythonNode.jsREST API

Freelanceonsite🇬🇧 United Kingdom📍 City of LondonJava 21Spring FrameworkSpring BootReact

Lead Developpeur Java – Iam API Management

Freelance🇫🇷 FranceJavaSpring BootNode.jsKeycloak

Freelancehybrid🇮🇪 Ireland📍 Dublin⏱ 12 monthsJavaSpring BootKafkaMQ

Lead Azure Engineer

Freelance🇬🇧 United Kingdom📍 Sheffield, England, United Kingdomazure kubernetes serviceazure devopsjava (spring boot)react (typescript)

Freelancehybrid🇺🇸 United States📍 Warren, MIJava.NETSQLGitHub

Software Engineer (Java/Kotlin/Scala)

Freelanceremote🇵🇱 Poland📍 Poland⏱ 6 months + extensionJavaKotlinSpring BootActiveMQ

Senior Data Engineer

Freelanceremote🇸🇪 Sweden📍 Sweden⏱ 4-6 monthsScalaJavaBigQueryGCP

Software Developer Senior Java Toronto

Freelanceonsite🇨🇦 Canada📍 Toronto⏱ 5 monthsJavaOracleSQLREST API

Software Developer Senior Toronto

Freelanceonsite🇨🇦 Canada📍 Toronto⏱ 12 monthsJavaOracleSQLREST API

Software Developer Full Stack Senior Toronto

Freelanceonsite🇨🇦 Canada📍 Toronto⏱ 6 monthsJavaOracleSQLREST API

Responsable Technique Java Cloud Kubernetes H F Domaine De Lenvironnement Toulouse

Freelance🇫🇷 France📍 ToulouseJavaMavenAWSAzure

Camunda Bpmn Zurich

Freelanceremote🇨🇭 Switzerland📍 Egg b. ZürichJava 17+Spring BootCamundaCIBseven

AI Engineer - Python/Kotlin/LLMs - Waltham

Freelancehybrid🇺🇸 United States📍 Waltham, MAPythonKotlinLLMsGo

Senior Software Engineer / Back end developerwaltham , Massachusetts

Freelancehybrid🇺🇸 United States📍 Waltham, MassachusettsJavaKotlinJavaScriptTypeScript

Senior Test Engineer

Freelancehybrid🇳🇱 Netherlands📍 Leeuwarden⏱ 12 months + extensionJavaOracleSeleniumRobot Framework

Lead Developpeur Cicd Sur Carquefou

Freelancehybrid🇫🇷 France📍 Carquefou⏱ 3 months + extensionJavaGroovyPythonJenkins

Concepteur Developpeur Windev Sur Carquefou

Freelanceremote🇫🇷 France📍 CarquefouWinDevJavaJavaScriptAndroid

Senior Java Developer (AI & R&D)

Freelance🇵🇱 Poland📍 Warsaw, Poland

Fullstack Developer (Angular + Java)

Freelanceremote🇵🇱 Poland📍 Poland

AI Architect (Contractor)

Freelanceremote🇺🇸 United States📍 St. Louis, MOJavaSpringGitHub Spec KitKiro

Developpeur(Se) Fullstack Java Angular

Freelancehybrid🇫🇷 France📍 Paris⏱ 24 monthsAngularJava

Référent technique - Intégration & Data sur Lyon

Freelancehybrid🇫🇷 France📍 Lyon⏱ 1 year + extensionApache TomcatAPI RESTElasticsearchJava

Architecte technique International sur Paris

Freelancehybrid🇫🇷 France📍 Paris⏱ 6 months + extension.NET FrameworkArchitectureCI/CDInfrastructure

Lead Developer Full Stack Angular / Java Senior - Nantes (3j deTT)

Freelancehybrid🇫🇷 France📍 Nantes⏱ 12 months + extensionAngularJava

Lead Developer / Tech Lead JAVA Banque/su

Freelancehybrid🇫🇷 France📍 Paris⏱ 6 months + extensionJava

Développeur JAVA sur Orléans

Freelancehybrid🇫🇷 France📍 Orléans⏱ 6 months + extensionGestion de projetIncident ManagementJava

Lead Developer / Tech Lead JAVA sur la défense

Freelancehybrid🇫🇷 France📍 La Défense⏱ 6 months + extensionArchitectureCI/CDConceptionIA

Software Engineer - Collateral Exchange Platform (DLT)

Freelanceremote🇱🇺 Luxembourg📍 Luxembourg⏱ 4-6 monthsKotlinScalaJavaKubernetes

Simulationsingenieur Materialflussplanung

Freelancehybrid🇩🇪 Germany📍 Stuttgart, Germany⏱ > 12 monthsAnyLogicAlFaPlant SimulationJava

Software Developer Security Platforms Toronto

Freelancehybrid🇨🇦 Canada📍 Toronto⏱ 6 months + extensionJavaSpring BootREST APIsKafka

UI Developer With Java Experience Full Stack Front End Focused New Yor

Freelanceremote🇺🇸 United States📍 New York, NY⏱ 6 months + extensionReactJavaScriptTypeScriptJava

Senior back-end developer - team backbone

Freelancehybrid🇳🇱 Netherlands📍 Utrecht⏱ 12 monthsJavaAzureKubernetesDocker

Lead Engineer, SAP BTP Custom Application & Integration

Freelanceonsite🇺🇸 United States📍 Miami, FloridaSAP BTPSAP CAPSAP FioriSAPUI5

Engineering Lead

Freelance🇬🇧 United Kingdom📍 Birmingham, Birmingham, United Kingdomjavarest apisansibleci/cd

Java AI Engineer

Freelance🇬🇧 United Kingdom📍 Leeds, England, United Kingdomjavafull stack developmentai technologiespython

Oracle Java Licensing & Compliance Consultant

Freelanceremote🇵🇱 Poland📍 Poland⏱ 4-6 monthsOracle JavaOpenJDK

Senior Solutions Architect

Freelancehybrid🇮🇪 Ireland📍 Dublin, Ireland⏱ > 12 monthsKubernetesDockerAzure DevOpsReactJS

Senior Fullstack Developer – Kotlin / Java & React - Stockholm

Freelancehybrid🇸🇪 Sweden📍 Sweden⏱ 12 monthsKotlinJavaReact

Freelancehybrid🇵🇱 Poland📍 Warsaw, Poland⏱ > 12 monthsJavaKafkaC#SQL

Bilingual English Spanish Data Engineer Toronto

Freelancehybrid🇨🇦 Canada📍 Toronto⏱ 3 months + extensionGoogle Cloud PlatformBigQueryDataflowPub/Sub

Tech Lead Fullstack Hf

Freelancehybrid🇫🇷 France📍 MarseilleJavaSpring BootAngularKubernetes

Tech Lead Angular Hf

Freelancehybrid🇫🇷 France📍 MarseilleAngularJavaSpring BootKubernetes

Software Engineer IINew York, New York

Freelancehybrid🇺🇸 United States📍 New YorkJavaPythonNode.jsSpring MVC

Developpemeur Jahia A Niort

Freelanceonsite🇫🇷 France📍 Niort⏱ 6 months + extensionJavaJahiaJSPHTML

Java/ Python- AWS Developer

Freelanceonsite🇺🇸 United States📍 Columbus, OhioJavaPythonAWSECS

Systems Engineer

Freelancehybrid🇺🇸 United States📍 Austin, TXJavaJavaScriptAngularSpring Boot

Développeur logiciel C/C++

Freelancehybrid🇫🇷 France📍 Courbevoie, France⏱ > 12 monthsC++CSTLLinux

Application Security Engineer

Freelancehybrid🇵🇹 Portugal📍 Lisbon, Portugal⏱ > 12 monthsJavaSpring BootC#.NET

Tech Lead / Senior Full Stack Engineer

Freelancehybrid🇵🇱 Poland📍 Krakow, Poland⏱ 12 months + extensionJavaPostgreSQLAI/LLMClaude

Business Analyst - API Flux Froids ECM/CCM

Freelancehybrid🇫🇷 France📍 Niort, France⏱ > 12 monthsJavaSpringJIRAConfluence

Développeur Java/Angular Spring, API REST, Oracle, Couchbase, Git Nantes ( 2 à 3 jours TT)Du

Freelancehybrid🇫🇷 France📍 Nantes⏱ 12 months + extensionJava

Développeur Full Stack — Niveau 1

Freelancehybrid🇫🇷 France📍 Le Mans⏱ 6 monthsAngularDéveloppementFull stackJava

Developpeur Java SAP Hybris H F France Paris 6613

Freelancehybrid🇫🇷 France📍 ParisJavaSAP Hybris

Algorithm Software Engineer Trk Huntsville

Freelanceonsite🇺🇸 United States📍 Huntsville, AlabamaJavaUnixLinuxMATLAB

Developpeur Java Hf

Freelancehybrid🇫🇷 France📍 Montpellier⏱ 3 yearsJavaSpring BootREST APIKubernetes

mehrere Senior Freelancer

Freelanceonsite🇩🇪 Germany📍 Germany⏱ 48 months.NETAccessVBASQL Server

Java Entwickler

Freelancehybrid🇩🇪 Germany📍 Bad Homburg Vor Der Höhe, Germany⏱ 3 monthsJavaAngularQuarkusPostgreSQL

Developpeur Expert Webmethods

Freelancehybrid🇫🇷 FrancewebMethodsAPI ManagementJavaPython

Senior Data Platform Engineer

Freelanceonsite🇳🇱 Netherlands📍 AmsterdamPythonJavaGroovyGCP

Java Developer - Senior

Freelanceonsite🇺🇸 United States📍 Phoenix, AZJavaSpring BootSpring FrameworkRESTful

Senior Blockchain Infrastructure Engineer

Freelancehybrid🇺🇸 United States📍 Southlake, TXGoJavaRustPython

Frontend Developer

Freelancehybrid🇵🇹 Portugal📍 Coimbra, Portugal⏱ > 12 monthsAngularVue.jsJavaOptimizely

Mid-Level Backend Developer

Freelancehybrid🇸🇪 Sweden📍 Sweden⏱ 10-12 monthsJavaSpring BootKafkaAvro

Backend Java Developer

Freelancehybrid🇵🇱 Poland📍 Warsaw, Poland⏱ > 12 monthsJavaSpring BootHibernatePostgreSQL

Run Engineer N3 /Site Reliability Engineer

Freelancehybrid🇫🇷 France📍 Paris, France⏱ 4-6 monthsJavaSpringKubernetesDocker

Java Backend Developer

Freelancehybrid🇵🇱 Poland📍 Gdansk, Poland⏱ > 12 monthsJavaSpring BootHibernatePostgreSQL

Software Engineer Austin

Freelancehybrid🇺🇸 United States📍 Austin, TX⏱ 4 monthsJavaJavaScriptAngularSpring Boot

Senior QA Automation Engineer – API & E2E Testing

Freelancehybrid🇵🇱 Poland📍 WarsawJavaTypeScriptPlaywrightREST

Developpeur Full Stack Au Mans

Freelance🇫🇷 France📍 Le Mans⏱ 3 monthsJavaAngularSpringPython

Fullstack Engineer

Freelance🇸🇪 Sweden📍 Stockholm, Stockholms län, Swedenreactjavascripttypescriptnext.js

Senior Fullstack Entwickler - Wertpapierhandel · Frankfurt · Befristete

Freelancehybrid🇩🇪 Germany📍 Frankfurt⏱ 3 monthsJavaSpring BootHibernateKafka

Développeur Backend Senior

Freelancehybrid🇫🇷 France📍 Paris⏱ 1 year + extensionAWS LambdaGitlabJava

Développeur fonctionnalité sur le Haillan

Freelancehybrid🇫🇷 France📍 Le Haillan⏱ 3 months + extensionAngularJava

Java Software Developer

Freelancehybrid🇮🇹 Italy📍 Turin, Italy⏱ 10-12 monthsJavaSpring BootAWSDocker

Senior Backend Engineer with Infrastructure Skills

Freelanceremote🇸🇪 Sweden📍 Sweden⏱ 4-6 monthsJavaPythonGCPAWS

Senior Backend Developer (Secteur Financier)

Freelanceonsite🇱🇺 Luxembourg📍 Luxembourg, Luxembourg⏱ 6 months + extensionGolangJavaKafkaMongoDB

Technical Java Lead Phoenix

Freelancehybrid🇺🇸 United States📍 Phoenix, AZ / Southlake, TX⏱ 12 monthsJavaSpring BootSpring FrameworkPCF

Freelanceonsite🇦🇪 United Arab Emirates📍 Abu DhabiPythonJava Spring BootOpenAI APIsReact Native

Freelanceremote🇩🇪 Germany📍 BerlinJava

Lead Dev expérimenté Fullstack Java Angular

Freelancehybrid🇫🇷 France📍 Paris⏱ 24 monthsAngularJava

Analyste développeur Fullstack Java Angular expérimenté(e)

Freelancehybrid🇫🇷 France📍 Paris⏱ 24 monthsAngularJava

Freelanceremote🇵🇹 Portugal📍 Portugal⏱ Permanent PositionPHPJavaGoPostgreSQL

Java- React / Fullstack

Freelanceonsite🇺🇸 United States📍 Columbus, OhioJavaSpring BootReactClaude

Regression / Automation Tester

Freelanceonsite🇺🇸 United States📍 Columbus, OhioJavaJenkinsFITCucumber

Backend Engineer - Data Infrastructure

Freelanceremote🇺🇸 United States📍 New York City, NYJavaKubernetesTerraformDruid

Senior Backend Engineer - Full

Freelanceremote🇵🇹 Portugal📍 Portugal⏱ > 12 monthsJavaQuarkusPostgreSQLDocker

Senior Java Developer

Freelancehybrid🇫🇮 Finland📍 Helsinki, Finland⏱ 7-9 months + extensionJavaSpring FrameworkSpring BootMicroservices

Showing the 100 most recent of 247 roles — browse and filter the full board.

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