Senior Java Backend Engineer — Hybrid

United States Digital Space LLC in Paris, France, is seeking a hands-on Senior Software Engineer to design, build, and operate our core backend systems, APIs, data pipelines, and cloud infrastructure. You will be a key technical contributor, building the systems that connect our cutting-edge optical instruments to cloud data platforms.Tech Stack includes...

Alithya recherche un développeur Backend Java expérimenté pour contribuer à la modernisation des applications et à l’exploitation dans un cadre AWS. Vous intègrerez une Value Stream Agile et travaillerez avec les équipes Produit, QA, SRE et le Tech Lead pour assurer performance et évolutivité.Vous participerez à la migration d’applications...

A tech company based in Paris is looking for a Senior Rails Engineer to lead the Ruby on Rails framework of their B2B SaaS product. You will be responsible for the backend systems, crafting APIs, and ensuring product scalability. Ideal candidates will have extensive experience in backend development and a knack for building complex dashboards. This role...

Onyx-Conseil is seeking a Level 3 Run Engineer to maintain and resolve incidents in production systems built with Java and Spring. You will join a DevOps-focused team to ensure high availability and robust incident resolution.Responsibilities include monitoring, deployments, and root-cause analysis, with a preference for candidates who thrive in on-call...

WeWard SAS is seeking a Senior Backend Engineer to join the Growth Squad in Paris. You will design, develop, test, and deploy APIs and backend processing with a strong ownership mindset, and lead the evolution of Echo for scalable campaigns. You’ll collaborate with PMs to scope work and mentor junior engineers.The role sits in a hybrid setup, with two...

Diabolocom, a leading AI-first cloud contact centre provider, seeks a Senior Backend Software Engineer for the Voice Squad. You will design and implement scalable backend services, focusing on distributed call handling and system reliability in a fast-growing environment.Bring 7+ years of software development experience, 3+ years with Java/Kotlin, and strong...

Proton Technologies AG in Paris is seeking a Backend Engineer to join the Account Team, building Proton's most vital services for over 100 million users worldwide. You will craft scalable, secure backend systems, collaborate with product, design, APIs, and cross-functional squads, and turn complex technical challenges into robust, user-friendly features.The...

Context Two video surveillance products are entering development at Vizzia: video-based traffic enforcement, with a first deployment in the UK, and ANPR, automatic number plate recognition run on legal request. Both rely on the same technical chain: camera-equipped units in the field, an edge to cloud pipeline, and a SaaS that officers use every day. That...

MonDocteur is seeking a Senior Software Engineer to enhance the Patient Online Booking feature. Responsibilities include defining features, leading technical visions, and ensuring scalability. Ideal candidates should be backend experts in Java with knowledge of Ruby on Rails, and possess a user-first mindset. The position offers health insurance, mental...