Tech jobs
Job listings
Développeur Backend Node.js Sénior (IT) / Freelance
Contexte : nous recherchons un développeur backend Node.js sénior pour renforcer une équipe produit digitale. Vous intervenez sur la conception et l'évolution d'APIs utilisées par les applications web et mobiles, dans…
Développeur Backend Node.js Senior – APIs Robustes & Agile
Octopus Group recherche un Développeur Back-End Node.js expérimenté pour travailler sur des services backend robustes et des API sécurisées. Vous collaborerez avec les équipes front-end web/mobile, Produit, Design et…
Senior Backend Java/JEE Developer — Hybrid
Extia Group recherche un développeur Java/JEE sénior pour rejoindre l’équipe à Nantes. Vous concevrez et développerez des fonctionnalités backend, collaborerez avec le frontend et assurerez les phases de tests et de…
Senior Java Developer — Quarkus & Backend Engineer
Adod, cabinet de conseil en informatique et organisation basé à Lyon, recherche un consultant Java confirmé avec une expérience sur Quarkus pour intervenir sur des projets industriels en backend. Le rôle implique…
Senior Backend Engineer (Remote)
Senior Backend Engineer building and maintaining scalable server-side services and APIs for a client company's platforms in a fully remote team. Day-to-day involves API design, database schema work, performance tuning, code reviews, and mentoring, using Python/Java/Go/Node.js, SQL/NoSQL databases, cloud platforms, and microservices.
Senior Backend Engineer for AI Agent Platform
Staffing firm MSP Staffing is hiring a Senior Backend Engineer for a client whose platform powers AI agents across WhatsApp, voice, webchat, and email. The role focuses on scalable backend design, APIs, and third-party integrations in production, owning features end-to-end and mentoring junior engineers.
Senior Software Engineer (Back-end)
Senior back-end engineer at Digital Outsource Services (a Super Group online gaming company) in Cape Town, building, testing, deploying and supporting software platforms and microservices, resolving production issues and mentoring juniors. Core stack: C#/.NET, REST APIs, SQL Server, Docker, cloud (AWS/Azure/GCP) and CI/CD.
Senior Node.js Backend Engineer - Hybrid, Growth
Placements24 in Paarl is hiring a Senior Node.js Backend Engineer to design, develop and maintain server-side APIs and databases, mentor juniors, and shape architecture. Day-to-day work centers on scalable services using Express.js or NestJS, RESTful APIs and cloud deployments in a hybrid, agile setup.
Senior Backend Engineer - .NET Microservices & Architecture
Senior backend engineer at Betway Group in Pretoria who designs and owns scalable .NET 8+/C# 12+ microservices, tunes performance with SQL Server and Elasticsearch, builds event-driven systems on RabbitMQ/Kafka, leads critical incidents, and coaches the team in best practices using Azure DevOps CI/CD in a regulated environment.
Senior Backend Engineer — Real‑Time Health Data
Senior Backend Engineer in Barcelona working on Lingo's digital health platform, building and optimizing scalable microservices and APIs that turn continuous biosensor data into real-time health insights.
Senior Backend Developer | Java / Spring Boot (Remoto)
Vermont Solutions is hiring a Senior Backend Developer with 6+ years of experience to design, build, and maintain secure, resilient, cloud-native microservices in agile teams. Core stack: Java, Spring Boot, PostgreSQL, Kafka, and AWS services (DynamoDB, Lambda, Aurora RDS, Cognito), plus observability and testing tooling. Remote role based in Madrid.
Senior Java Backend Developer
Senior Java backend developer at Festo's Digital Innovation Hub in Barcelona, designing and building scalable backend services (predominantly Java/Spring Boot on AWS) for digital transformation projects spanning eCommerce, product configuration, and analytics, while mentoring junior developers and aligning with business stakeholders.
Desarrollador/A Backend Node.Js Y Typescript - Ia
Backend developer role at Panel Sistemas Informáticos in Madrid building services with Node.js and TypeScript, with an AI component. The posting's description body appears mismatched (it describes OCM and UX design roles), so role details are drawn from the title.
Senior Backend Engineer
Senior Backend Engineer on Bluehost's innovation team in Brazil, building async Python (FastAPI) backend services where AI is a first-class citizen: multi-agent LLM orchestration, RAG pipelines over vector stores, provider-agnostic LLM integration, and end-to-end CI/CD ownership for a platform used by millions of small businesses.
Senior Backend Engineer - Java/Spring (Hybrid, Milan) Stock
Welyk invites a senior backend engineer to shape and own the most sensitive components of the payment platform, taking designs through production and orchestrating cross-service collaboration in a hybrid Milan setting.…
Senior Software Engineer (Backend) | Satispay
🚗 Work mode: hybrid, 2 days a week in the office (Tuesday and Thursday), Milan 👾 Key tech skills: Java, Spring Boot, microservices, distributed systems, cloud (AWS preferred) 📊 Years of experience: 5+ 💰 Salary:…
Технический эксперт PHP
Senior PHP developer building and scaling high-traffic fintech web apps with Yii2, PostgreSQL, Kafka, and Kubernetes for a digital lending and financial-services platform.
资深后端开发工程师（租车）
Senior backend engineer at Trip.com Group in Shanghai designing, building, and maintaining LLM-powered application features — RAG pipelines, tool calling, workflow orchestration, and context management — integrated with internal knowledge bases and business systems, with focus on accuracy, stability, latency, and cost.