[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"project-back-end-java-developer-mfd":3,"similar-back-end-java-developer-mfd":39},{"id":4,"slug":5,"title":6,"skills":7,"budget":24,"duration":24,"location":25,"onsitePercent":24,"contractType":26,"foundAt":27,"category":28,"description":32,"rawText":33,"webTitle":34,"webText":35,"language":36,"projectId":37,"sourceUrl":38},11277,"back-end-java-developer-mfd","Back-End Java Developer (m\u002Ff\u002Fd)",[8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23],"Java","Spring Framework","Spring Boot","Distributed systems","Microservices","JPA","JDBC","JMS","Unix\u002FLinux","OAuth2","API security","Event-driven design","Docker","Kubernetes","CI\u002FCD","Microsoft Azure",null,"Zurich","contracting","2026-06-05T13:51:04+00:00",{"id":29,"slug":30,"label":31},1,"software_dev","Software-Entwicklung","Freelance\u002Ftemporary employment for a project at a world-renowned bank in Zurich. Design and develop robust distributed systems and high-performance backend services using Java, Spring, and Spring Boot with focus on financial-grade engineering principles.","Back-End Java Developer (m\u002Ff\u002Fd)\n\nFreelance\u002Ftemporary employment for a project\n\nZurich\n\nStart date: asap\n\nReference number: 880211\u002F1\nBewerbung starten\n\nDiesen Job teilen oder drucken\n\nResponsibilities\n\n- Design and evolve robust distributed systems, balancing scalability, latency, consistency, and fault tolerance\n- Apply distributed systems principles (e.g. consistency models, idempotency, back-pressure, resiliency patterns) to real-world financial workloads\n- Develop and maintain high-performance backend services and APIs using Java, Spring, and Spring Boot\n- Optimize end-to-end latency, asynchronous processing, and efficient IO\n- Identify and resolve performance bottlenecks through profiling, benchmarking, and load testing\n- Integrate complex financial platforms and third-party services, ensuring correctness, data integrity, and operational resilience\n- Design reliable messaging and integration flows using JPA, JDBC templates, JMS, and event-driven patterns\n- Code Quality and Best Practices: Write clean, maintainable, and efficient code while adhering to industry best practices, including code reviews, testing, and CI\u002FCD\n- Apply financial-grade engineering principles (auditability, security, controlled change)\n- Collaboration: Work closely with product managers, designers, and other stakeholders to gather requirements and translate them into technical specifications and deliverables\n\nProfile\n\n- Technical skills: Languages & Platforms: Java (Core Java, Collections, JSON, JDBC), Spring Framework, Spring Boot \u002F Architecture: Distributed systems, microservices, event-driven design, low-latency systems \u002F Databases & Messaging: JPA, JDBC, relational databases, JMS \u002F Operating Systems: Unix\u002FLinux, bash scripting \u002F Security: OAuth2, API security, IAM concepts\n- Good code review practices and pride in code quality\n- Ability to work independently and take ownership of projects\n- Willingness to collaborate in a global team with members in Zurich and Singapore\n- Previous experience in the financial industry is a plus\n- Experience with cloud platforms, preferably Microsoft Azure\n- Knowledge of microservices architecture and containerization (e.g., Docker, Kubernetes)\n- Familiarity with CI\u002FCD pipelines and DevOps practices\n- Exposure to API security, OAuth2, and related standards.\n\nBenefits\n\n- Long-term project in a world renowed bank\n\nAbout Hays\n\nIT is and always has been our core business that laid the foundation for Hays' success. We are the biggest privately owned IT recruitment agency in Germany and offer the best jobs for every career level – whether you are interested in vacancies in agile SMEs or international DAX groups. Hays masters the entire IT job spectrum, from support to software architecture or digitalisation – thanks to our broad portfolio, we have something for everyone. In the last decades, we were able to support numerous IT experts with choosing the right path for a successful career, positioning ourselves as their lifelong partner. Our highly specialised consultants can cater to your every wish and expectation and will prepare you for interviews and contract negotiations. Give it a try and learn what the market has to offer – our services are free of charge, non-binding and discreet! We look forward to hearing from you.\n\nStaffing process for freelance specialists\n\n- Analysis of qualifications\n\n- Telephone or personal interview\n\n- Contact with customers\n\n- Contract with Hays\n\n- 1\n1. Analysis of qualifications\n\nWe carry out a detailed analysis of your technical qualifications on the basis of your CV, your application documents and your profile.\n\n- 2\n2. Telephone or personal interview\n\nWe would like to get to know you better in a personal conversation. Your personal contact would be pleased to advise you and clarify any outstanding questions about your qualifications. In this way, your profile will be expanded to include a few more skills if necessary.\n\n- 3\n3. Contact with customers\n\nWe compare your qualifications and targets with the expectations of our customers. As soon as we have found a suitable project for you, we will contact you and introduce you to your potential project partners. If you are interested in the project, we will contact the customers. Then a personal discussion will take place with the project partner.\n\n- 4\n4. Contract with Hays\n\nIf both parties are interested in collaborating, all of the relevant framework conditions will be agreed with Hays. Hays then acts as a contractual partner for both parties. In other words, a contract is drawn up between you and Hays and the company and Hays.\n\nContact at Hays\n\n+41 44 225 50 00 E-Mail: positionen@hays.ch positionen@hays.ch\nReference number : 880211\u002F1\n\n© Copyright Hays plc, . Das Wort HAYS, die H-Symbole, „Hays Working for your tomorrow\" und „Powering the world of work\" sowie damit verbundene Logos und Illustrationen sind eingetragene Markenzeichen der Hays PLC. Die H-Symbole sind Originaldesigns, die in vielen Ländern geschützt sind. Alle Rechte vorbehalten.\n\nBewerbung starten\n\nDiesen Job teilen oder drucken\n\nZur Gesamtübersicht\n\nMEINE MERKLISTE\n\nUm die Merkliste zu nutzen, ist ein Login notwendig.\nFalls Sie noch keine Login-Daten haben, können Sie sich in zwei Minuten registrieren.\n\nJetzt einloggen Sie haben noch keinen Login?\n\nJetzt registrieren\nIhre Vorteile\n\nGeräteübergreifend Jobangebote speichern und sich bewerben\n\nBewerbung auf mehrere Jobangebote gleichzeitig\n\nSchnelle und einfache Bewerbung\n\nBewerben mit 1 Klick\n\nIhre Bewerbungsunterlagen liegen uns bereits vor.\n\nMöchten Sie sich nun damit bewerben?\n\nJetzt bewerben\n\nChat\n\nChat -\n\nDer Chat kann aufgrund Ihrer Cookie-Einstellungen nicht angezeigt werden.\nBitte aktivieren Sie die funktionellen Cookies und laden die Seite neu, um den Inhalt zu sehen.\nCookie-Einstellungen anpassen","Back-End Java Developer","Wir suchen einen erfahrenen Back-End Java Developer (m\u002Ff\u002Fd) für ein langfristiges Projekt bei einem weltweit renommierten Finanzinstitut. Die Position ist als Freelance\u002FTemporärbeschäftigung ausgeschrieben und kann sofort besetzt werden.\n\nAufgaben:\nSie werden robuste verteilte Systeme entwerfen und weiterentwickeln, die Skalierbarkeit, Latenz, Konsistenz und Fehlertoleranz ausbalancieren. Sie entwickeln und warten hochperformante Backend-Services und APIs mit Java, Spring und Spring Boot. Dabei optimieren Sie End-to-End-Latenz, asynchrone Verarbeitung und effiziente IO-Operationen. Sie identifizieren und beheben Performance-Engpässe durch Profiling, Benchmarking und Load-Testing. Die Integration komplexer Finanzplattformen und Drittanbieter-Services mit Fokus auf Korrektheit, Datenintegrität und operative Resilienz gehört zu Ihren Verantwortungen. Sie gestalten zuverlässige Messaging- und Integrations-Flows mit JPA, JDBC-Templates, JMS und ereignisgesteuerten Mustern. Dabei schreiben Sie sauberen, wartbaren Code nach Best Practices und wenden finanzielle Engineering-Prinzipien an.\n\nAnforderungen:\nSie verfügen über fundierte Kenntnisse in Java, Spring Framework und Spring Boot sowie Erfahrung mit verteilten Systemen, Microservices und ereignisgesteuerten Architekturen. Kenntnisse in Datenbanken (JPA, JDBC, relationale Datenbanken), Unix\u002FLinux und Bash-Scripting sind erforderlich. Sie haben Erfahrung mit OAuth2, API-Sicherheit und IAM-Konzepten. Vorteilhaft sind Erfahrungen in der Finanzbranche, mit Cloud-Plattformen (Microsoft Azure), Microservices-Architektur, Containerisierung (Docker, Kubernetes) sowie CI\u002FCD-Pipelines und DevOps-Praktiken.\n\nSie arbeiten eigenverantwortlich, haben Freude an Code-Quality und können in globalen Teams (Zürich, Singapur) kollaborativ tätig sein.","en","880211\u002F1","https:\u002F\u002Fwww.hays.de\u002Fjobsuche\u002Fstellenangebote-jobs-detail-back-end-java-developer-zurich-880211\u002F1",{"items":40},[41,57,73,88,104,113,127,140,154,170,184,198,210,232,244],{"id":42,"slug":43,"title":44,"skills":45,"budget":24,"duration":24,"location":53,"onsitePercent":54,"contractType":26,"foundAt":55,"category":56},11279,"java-architect-for-gis-project-mfd","Java Architect for GIS project (m\u002Ff\u002Fd)",[8,10,12,46,47,48,49,50,21,51,52],"Solution Architecture","Code Review","Oracle","PostgreSQL","Kafka","Event-driven architectures","GIS\u002Fspatial systems","Vienna",50,"2026-06-05T13:51:23+00:00",{"id":29,"slug":30,"label":31},{"id":58,"slug":59,"title":60,"skills":61,"budget":24,"duration":24,"location":25,"onsitePercent":24,"contractType":26,"foundAt":71,"category":72},11278,"senior-front-end-react-developer-mfd","Senior Front-End React Developer (m\u002Ff\u002Fd)",[62,63,64,65,16,66,67,68,23,20,21,69,17,70],"React","TypeScript","JavaScript","Node.js","bash scripting","design systems","component libraries","CI\u002FCD pipelines","microservices architecture","2026-06-05T13:51:13+00:00",{"id":29,"slug":30,"label":31},{"id":74,"slug":75,"title":76,"skills":77,"budget":24,"duration":24,"location":85,"onsitePercent":24,"contractType":26,"foundAt":86,"category":87},11266,"embedded-bi-engineer-mwd","Embedded BI Engineer (m\u002Fw\u002Fd)",[78,79,80,81,82,83,84],"Embedded BI","Power BI","Datenmodellierung","Row-Level Security (RLS)","Dashboard-Entwicklung","Performance-Optimierung","Englisch","Baden-Württemberg","2026-06-05T13:06:22+00:00",{"id":29,"slug":30,"label":31},{"id":89,"slug":90,"title":91,"skills":92,"budget":24,"duration":101,"location":24,"onsitePercent":24,"contractType":26,"foundAt":102,"category":103},11258,"delphi-entwickler-mit-logistik-fokus-mwd","Delphi Entwickler mit Logistik Fokus (m\u002Fw\u002Fd)",[93,94,95,96,97,98,99,100,84],"Delphi","Object Pascal","Logistik-Systeme","WMS","TMS","Supply Chain","Legacy-Systeme","Deutsch","sofort","2026-06-05T12:36:07+00:00",{"id":29,"slug":30,"label":31},{"id":105,"slug":106,"title":107,"skills":108,"budget":24,"duration":24,"location":24,"onsitePercent":24,"contractType":26,"foundAt":111,"category":112},11256,"software-entwickler-unreal-engine-wmd","Software Entwickler Unreal Engine (w\u002Fm\u002Fd)",[109,110],"Unreal Engine","Software Development","2026-06-05T12:35:16+00:00",{"id":29,"slug":30,"label":31},{"id":114,"slug":115,"title":116,"skills":117,"budget":24,"duration":24,"location":124,"onsitePercent":54,"contractType":26,"foundAt":125,"category":126},11251,"webentwickler-fullstack-mwd","Webentwickler Fullstack (m\u002Fw\u002Fd)",[118,119,64,120,121,122,123],"HTML","CSS","PHP","MySQL","API-Konzeption","Softwareentwicklung","Bielefeld","2026-06-05T12:28:13+00:00",{"id":29,"slug":30,"label":31},{"id":128,"slug":129,"title":130,"skills":131,"budget":24,"duration":24,"location":124,"onsitePercent":54,"contractType":26,"foundAt":138,"category":139},11248,"product-owner-mwd-3","Product Owner (m\u002Fw\u002Fd)",[132,133,134,135,123,136,137],"Product Owner","Agile Entwicklung","SCRUM","User Stories","Businessanforderungen","Kommunikationsfähigkeit","2026-06-05T12:27:53+00:00",{"id":29,"slug":30,"label":31},{"id":141,"slug":142,"title":143,"skills":144,"budget":24,"duration":24,"location":124,"onsitePercent":54,"contractType":26,"foundAt":152,"category":153},11246,"softwareentwickler-go-golang-mwd","Softwareentwickler Go \u002F Golang (m\u002Fw\u002Fd)",[145,146,147,148,149,150,151,12,133],"Go","Golang","Cloud-Entwicklung","REST-APIs","Datenbanken","AWS","Azure","2026-06-05T12:27:38+00:00",{"id":29,"slug":30,"label":31},{"id":155,"slug":156,"title":157,"skills":158,"budget":24,"duration":24,"location":166,"onsitePercent":54,"contractType":167,"foundAt":168,"category":169},11245,"kotlin-developer-mwd","Kotlin Developer (m\u002Fw\u002Fd)",[159,8,160,12,21,161,162,163,164,133,165],"Kotlin","Spring","Cloud","DevOps","Jira","Confluence","Systemintegration","Gütersloh, Nordrhein-Westfalen","permanent","2026-06-05T12:27:31+00:00",{"id":29,"slug":30,"label":31},{"id":171,"slug":172,"title":173,"skills":174,"budget":24,"duration":24,"location":124,"onsitePercent":54,"contractType":26,"foundAt":182,"category":183},11242,"embedded-software-entwickler-mwd-4","Embedded Software Entwickler (m\u002Fw\u002Fd)",[175,176,177,178,179,180,181],"C","C++","Embedded Software","Embedded Linux","Programmierung","Elektrotechnik","Betriebstechnik","2026-06-05T12:27:10+00:00",{"id":29,"slug":30,"label":31},{"id":185,"slug":186,"title":187,"skills":188,"budget":24,"duration":24,"location":124,"onsitePercent":54,"contractType":26,"foundAt":196,"category":197},11241,"senior-java-entwickler-mwd","Senior Java-Entwickler (m\u002Fw\u002Fd)",[8,189,149,121,48,190,191,192,193,194,195],"Anwendungsentwicklung","Objektorientierte Programmierung","IT-Architekturen","Agile Projektmethoden","Cloudtechnologien","Code Reviews","Automatisierte Tests","2026-06-05T12:27:02+00:00",{"id":29,"slug":30,"label":31},{"id":199,"slug":200,"title":201,"skills":202,"budget":24,"duration":24,"location":207,"onsitePercent":54,"contractType":26,"foundAt":208,"category":209},11240,"game-developer-mwd","Game-Developer (m\u002Fw\u002Fd)",[176,203,190,109,204,205,206],"Game Development","Unity","Software-Versionsverwaltung","Code-Optimierung","Rahden, Nordrhein-Westfalen","2026-06-05T12:26:55+00:00",{"id":29,"slug":30,"label":31},{"id":211,"slug":212,"title":213,"skills":214,"budget":24,"duration":24,"location":228,"onsitePercent":229,"contractType":26,"foundAt":230,"category":231},11237,"softwareentwickler-mwd-7","Softwareentwickler (m\u002Fw\u002Fd)",[215,216,176,217,218,219,220,221,222,63,223,224,225,226,227],".NET","C#","Visual C#","ASP.NET Web API","SQL","Transact-SQL","Microsoft SQL Server","HTML5","Android","iOS","Windows","Steuerungssysteme","Datenbankentwicklung","Minden, Nordrhein-Westfalen",100,"2026-06-05T12:26:33+00:00",{"id":29,"slug":30,"label":31},{"id":233,"slug":234,"title":235,"skills":236,"budget":24,"duration":24,"location":124,"onsitePercent":229,"contractType":26,"foundAt":242,"category":243},11232,"software-architekt-mwd-2","Software Architekt (m\u002Fw\u002Fd)",[216,8,151,22,219,237,238,239,240,163,164,80,241],"JSON","XML","REST-Webservices","Git","Integrationsszenarios","2026-06-05T12:25:56+00:00",{"id":29,"slug":30,"label":31},{"id":245,"slug":246,"title":247,"skills":248,"budget":24,"duration":24,"location":254,"onsitePercent":54,"contractType":26,"foundAt":255,"category":256},11209,"softwareentwickler-mwd-php-2","Softwareentwickler (m\u002Fw\u002Fd) PHP",[120,249,250,251,252,253],"Backend-Technologien","Linux","ElasticSearch","Redis","Varnish","Herford","2026-06-05T11:26:52+00:00",{"id":29,"slug":30,"label":31}]