java backend developer

At CERN, the European Organization for Nuclear Research, physicists and engineers are probing the fundamental structure of the universe. Using the world's largest and most complex scientific instruments, they study the basic constituents of matter – fundamental particles that are made to collide together at close to the speed of light. The process gives...

About the job As a senior Backend Developer, you will be a part of the team that works on the development and maintenance of the backend components of multiple services related to the platform. This includes: New Products and Features – Tether continuously strives to create innovative new features in order to provide the most professional experience for...

  Als NTT DATA Business Solutions treiben wir Innovationen voran – von der Beratung und Implementierung bis hin zu Managed Services und darüber hinaus, gestützt von einem globalen Team von über 18.500 Expert:innen aus über 90 Nationen in mehr als 30 Ländern. Mit SAP als Herzstück und einem starken Netzwerk aus Partnern wie Microsoft und...

**About You** As Tech Lead (Backend Focus), you will play a critical role in strengthening Optiml’s technical foundations as we scale—owning high-leverage backend systems, shaping architecture decisions, and raising the bar across engineering execution. This is a hands-on leadership role: you will operate as a strong individual contributor...

Wie gestaltet man den Arbeitsplatz von morgen? Unser Rocken Partner entwickelt digitale Lösungen, die Geschäftsprozesse vereinfachen und Arbeitsabläufe intelligent vernetzen. Als zertifizierter Technologiepartner realisiert das Unternehmen massgeschneiderte Software, automatisiert Marketing-Prozesse und macht Unternehmensdaten nutzbar. Das...

Bucher Unipektin AG ist eine wachstumsstarke Business Unit des erfolgreichen, weltweit tätigen Technologiekonzerns Bucher Industries AG. Basierend auf langjährigem Know-how sowie neuesten Technologien werden komplexe Maschinen und Anlagen zur Verarbeitung von Früchten und Gemüsen zu Säften und Konzentraten, zur thermischen Konzentrierung und...

## **Frontend Developer** **(m/w/d)** · Freelance · Remote möglich *Unsere Technologieplattform mitbauen. Neue Frontend-Bestandteile eigenständig umsetzen. Mit Claude als primärem Werkzeug schnell und sauber liefern.* **Wer wir sind** GLOBOGATE rekrutiert und qualifiziert internationale Pflegefachkräfte für das deutsche Gesundheitssystem. Wir...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Angular Developer based in Switzerland. This role is an opportunity for an experienced frontend engineer to build scalable, high-quality applications while working in a fully remote environment. You will take ownership of...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Fullstack JavaScript Developer based in Switzerland. This role is designed for an experienced software engineer who wants to build impactful digital solutions while working in a fully remote environment. You will contribute...

**About Proton** **Join Proton and build a better internet where privacy is the default** We are profitable, independent (no VC control), and selectively hire from the top ~1% of applicants. Our 700+ team members across 50+ countries come from leading organizations and elite academic backgrounds. We move fast, keep hierarchy light, and prioritize impact...

Job Details **Job Description** You will join the Tools and Services section within the Scientific Information Service, the team responsible for the platforms that power scientific discovery and open access across the High Energy Physics community. Our systems include INSPIRE, the global literature hub for particle physics; SCOAP3, which funds and...

Für ein langfristiges Projekt bei unserem Kunden im Raum Bern (mit Remote-Anteil) suchen wir einen Senior Fullstack Entwickler (m/w/d) - Java / Angular. **Key Facts** Start: 26.10.2026 Dauer: 12 Monate / Auslastung: 100 % Einsatzart: Einsatzort: Raum Bern Einsatzland: Schweiz Ihre Aufgaben - Entwicklung, Weiterentwicklung und Wartung von...

**Location**: Lenzburg, Aargau, Switzerland **Job ID**: R0105513 **Date Posted**: 2025-09-12 **Company Name**: HITACHI ENERGY LTD **Profession (Job Category)**: Engineering & Science **Job Schedule**: Full time **Remote**: No **The opportunity** Hitachi Energy is a global leader in power and renewable technologies, enabling utility and industry...

**About Proton** **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...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Product Engineer (Backend) based in Switzerland. This role offers the opportunity to build the backend foundations powering next-generation embedded insurance and retirement solutions. You will design scalable APIs and...

pAt Julius Baer, we celebrate and value the individual qualities you bring, enabling you to be impactful, to be entrepreneurial, to be empowered, and to create value beyond wealth. Let’s shape the future of wealth management together. /pWe are seeking a highly skilled Senior Full-Stack Java Engineer to join our CLM Team. In this role, you will focus on...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior C#/.NET Developer based in Switzerland. We are seeking an experienced software engineer to design and build scalable, high-performance applications in a fully remote environment. This role offers the opportunity to work on...

**Role Summary** We are seeking a Senior Android Mobile Developer with strong Kotlin Multiplatform (KMP) expertise to join our Specialized App team and play a key role in building a shared, scalable mobile architecture across Android and iOS. In this role, you will design and develop best‑in‑class Android applications using Kotlin, while actively...

**Join Proton and build a better internet where privacy is the default** We are profitable, independent (no VC control), and selectively hire from the top ~1% of applicants. Our 500+ team members across 50+ countries come from leading organizations and elite academic backgrounds. We move fast, keep hierarchy light, and prioritize impact over optics. If you...

## **Mission** The Structural Xploration Lab (SXL) at EPFL is developing REON, an AI system that predicts the reuse value of building components before demolition, turning research validated on 23,200 real reuse-market transactions into a working product. We are looking for a software developer to help build the core of this product alongside the founder:...