senior backend software engineer Jobs in Genf

Fais de ta passion un travail qui a du sensRejoindre Infomaniak, c’est intégrer un fleuron technologique où tu seras entouré·e des meilleurs talents pour créer des solutions cloud et de productivité éthiques et souveraines.Infomaniak, c’est l’entreprise derrière SwissTransfer et un partenaire de confiance pour des organisations de premier plan...

Infomaniak s'entoure d'ingénieurs, de geeks et de professionnels de talent pour bâtir et développer sa marque. Nous devons notre succès à la passion, la créativité et à l'innovation de chacun. Si vous avez envie d'exprimer vos compétences et contribuer aux forces vives de notre société, rejoignez-nous. De plus, nous garantissons une ambiance...

Datum: 3 maj, 2026 Tid: 11:59Placering: CERNMer informationYou will design and evolve complex data models at the heart of CERN’s acceleratorcontrol systems, working on the database backend of large-scale, mission-critical applications. Your work will focus on Oracle-based schemas and Java backend services exposing APIs to applications, tightly integrated...

Turn your passion into meaningful workJoining Infomaniak means becoming part of a technological leader where you will be surrounded by the best talents to create ethical and sovereign cloud and productivity solutions.Infomaniak is the company behind SwissTransfer and a trusted partner for leading organisations: international institutions such as the United...

Une entreprise de technologie basée à Genève recherche un Backend Software Engineer passionné pour rejoindre son équipe. Vous serez en charge de développer des fonctionnalités critiques pour kDrive, un système de stockage et de collaboration. Les candidats doivent maîtriser PHP avec Laravel, avoir une bonne connaissance des API et des microservices...

Antaes Consulting in Geneva, Switzerland is seeking an experienced Java Software Engineer to contribute to the modernization of a safety-critical air traffic surveillance system, converting legacy components into a service-oriented architecture.You will work in a high-availability environment, applying TDD/BDD with Cucumber, and collaborate in an Agile team...

Sword Services cherche un ingénieur logiciel spécialisé dans le traitement de données de surveillance ATM basé à Genève. Vous travaillerez à la mise en place d'une architecture orientée services et garantirez qualité, fiabilité et performance dans un cadre réglementé.Vous aurez la responsabilité du cycle de vie logiciel, de l’analyse des...

Ivy Partners in Geneva is seeking a Java Software Engineer to join our engineering team on strategic, regulated projects. You will contribute to the modernization of a critical legacy system and develop high-availability back-end services using Java, Spring and Maven.You will apply TDD/BDD, automate tests with Java and Cucumber, and produce comprehensive...

Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass, and Proton Calendar—tools used by...

Sonar seeks a Senior/Staff Engineer to architect the backend for Verified Autonomous Remediation. You will design high-throughput, reliable systems that evaluate AI-generated code and ensure trust through rigorous testing and validation.Based in Geneva, you will work with global teams to deliver scalable, secure remediation workflows while mentoring peers...

Union Bancaire Privée is seeking an experienced backend engineer to own the Tariffication application, mentor knowledge transfer, and deliver robust Java-based microservices and REST/SOAP APIs. You will work with Spring 4/5 and Spring Boot 2.x/3.x, integrate with Oracle and MS SQL Server, and contribute to CI/CD pipelines while ensuring secure coding...

UBP - Union Bancaire Privée is seeking a senior software engineer to own the Tariffication application, lead knowledge transfer from a retiring java developer, and design robust backend services in Java 17/11/8 with Spring 4/5 and Spring Boot 2.x/3.x.The role involves building REST and SOAP APIs, integrating with Oracle and MS SQL Server via JPA/Hibernate,...

Infomaniak, basé à Genève, recherche un Backend Software Engineer pour faire évoluer kDrive, stockage et collaboration souveraine. Vous contribuerez à concevoir et développer des fonctionnalités critiques tout en garantissant performance, sécurité et qualité du code.Le poste est à 80-100% en CDI, localisation Genève, avec une équipe orientée...

Ärztekasse Genossenschaft provides business process outsourcing and eHealth solutions to health professionals so they get relief from administration and can focus on medical work. In the context of an innovation initiative, Ärztekasse is renewing and extending their products. To support this digitalization step, we are looking for smart and experienced...

IonQ, Inc. in Geneva, Switzerland, is seeking a Staff Cryptography Engineer to build post‑quantum cryptography hardware acceleration for HSM and network appliances. You will implement software models and test infrastructure, in C/C++/Rust and Python, and contribute to verification workflows.You will work with senior cryptography engineers to ensure...

Placering: CERNMer informationYou will contribute to the design, development, testing and maintenance of the Data Processing Platform (DPP), used for both offline and online analysis of accelerator and beam data. Working within the Agile Data Processing team of the CERN Controls Software & Services group, you will help build reliable and scalable backend...

Jobup recrute un ingénieur logiciel senior à Genève pour concevoir et maintenir les applications de suivi de facturation. Vous travaillerez au sein d’une équipe internationale et évoluerez sur des architectures modernes (microservices, CQRS, DDD) tout en assurant les tests et la qualité du code.Le poste exige une expertise .NET/C#, SQL (Postgre, SQL...

NVIDIA is hiring senior engineers to develop its AI platform and more specifically its performance optimizations in deep learning frameworks using JAX, a tool that can differentiate between Python control code and NumPy code. Our goal is to deliver a polished, fast, modular and coordinated platform to handle data, training and analysis for a wide range of...

Alohi is an AI-first SaaS scale-up on a mission to simplify how businesses work. Our products (Sign.Plus http://Sign.Plus, Dial.Plus http://Dial.Plus, Fax.Plus http://Fax.Plus, and Scan.Plus http://Scan.Plus) serve 5M+ customers worldwide, from small businesses to global enterprises. We're building category-defining tools that people actually love to use.We...

Proton is seeking a senior backend engineer to advance our Foundation team's backend framework. You will work in PHP for API work and Rust where performance and memory safety matter, contributing end-to-end from design to documentation.You will shape module boundaries in a large monorepo, collaborate with product teams, and drive library adoption while...