Freelance Backend Developer jobs

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

24 live24 freelance11 remote
Backend Engineer Austin
Freelanceremote🇺🇸 United States📍 Austin, TexasPythonNodeJsPyTorchKubernetes
Senior Backend Developer/Architect - Test Data Platform
Freelancehybrid🇸🇪 Sweden📍 Stockholm Metropolitan Area, Sweden⏱ 7-9 monthsJavaMongoDBPostgreSQLOracle
Back-end developer
Freelancehybrid🇧🇪 Belgium📍 Bruxelles⏱ 12 months + extension.NET.NET COREAzureCI/CD
Senior Backend Developer
Freelancehybrid🇫🇷 France📍 Paris⏱ 1 year + extensionDockerKubernetesLangGraphMicroservices
Java Backend Developer
Freelancehybrid🇵🇱 Poland📍 Gdansk, Poland⏱ > 12 monthsJavaSpring BootHibernatePostgreSQL
Senior Backend Developer
Freelancehybrid🇸🇪 Sweden📍 Sweden⏱ 10-12 monthsJavaSpring BootKafkaAvro
Senior Backend Engineer with Infrastructure Skills
Freelanceremote🇸🇪 Sweden📍 Sweden⏱ 4-6 monthsJavaPythonGCPAWS
Senior Backend Developer (Secteur Financier)
Freelanceonsite🇱🇺 Luxembourg📍 Luxembourg, Luxembourg⏱ 6 months + extensionGolangJavaKafkaMongoDB
Backend Engineer - Data Infrastructure
Freelanceremote🇺🇸 United States📍 New York City, NYJavaKubernetesTerraformDruid
Senior Backend Engineer - Full
Freelanceremote🇵🇹 Portugal📍 Portugal⏱ > 12 monthsJavaQuarkusPostgreSQLDocker
Java Backend Engineer
Freelance🇵🇱 Poland📍 Warsaw, Mazowieckie, Polandjavaspring bootrest apismicroservices
Senior Backend Engineer Python AI
Freelanceremote🇺🇸 United States⏱ 6+ months + extensionPythonReactClaudeAWS
Senior Back End Developer
Freelanceremote🇺🇸 United States📍 LATAM⏱ 1-3 monthsPHPWordPressWooCommerceAPI integration
Senior Back End Developer
Freelanceremote🇺🇸 United States📍 LATAM⏱ 3 monthsRuby on RailsAWS LambdaPostgreSQLAWS
Backend Developer Java Ticketing In Anü
Freelancehybrid🇩🇪 Germany📍 Frankfurt am Main⏱ 27 monthsJavaSpring BootDockerKubernetes
Backend Developer Java In Arbeitnehmerüberlassung
Freelancehybrid🇩🇪 Germany📍 Frankfurt am Main⏱ 28 monthsJavaSpring BootPostgreSQLDocker
Senior Backend Developer Java Ticketing In Anü
Freelancehybrid🇩🇪 Germany📍 Frankfurt am Main⏱ 34 monthsJava 17+Spring BootSpring DataSpring Security
Senior Backend Engineer
Freelanceremote🇵🇹 Portugal📍 Portugal⏱ > 12 monthsC#.NETJavaGo
Experienced Backend Developer (.NET / AWS)
Freelanceremote🇵🇱 Poland📍 Poland⏱ > 12 monthsC#.NET CoreEntity FrameworkAWS
Back End Developer - AI Experience
Freelancehybrid🇵🇹 Portugal📍 Porto, Portugal⏱ > 12 monthsJavaQuarkusGitLab DuoClaude Code
Senior Java Backend Developer
Freelancehybrid🇩🇪 Germany📍 Frankfurt am MainJavaSpring BootWebFluxKubernetes
Senior Java Backend Developer
Freelancehybrid🇩🇪 Germany📍 Frankfurt am MainJavaSpring BootDockerKubernetes
Backend Engineer (Node, Typescript)
Freelanceremote🇺🇸 United States📍 New York⏱ 12 monthsNode.jsTypeScriptPostgreSQL
Senior Backend Developer (Node.js + DevOps)
Freelanceremote🇬🇪 Georgia📍 Remote job⏱ 3-4 months + extensionNode.jsAzureAPIevent-driven systems
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