senior java backend engineer java 21 spring boot

**Job Description** **Job Title:** Java Developer **Job Type:** Contract **Location:** Remote **Job Summary:** As a Java Developer, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required —...

Job DescriptionJob Title: Java Developer Job Type: Contract Location: Remote Job Summary: As a Java Developer, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is...

Devoteam is an **AI-driven tech consulting firm** specializing in cloud platforms, cybersecurity, data solutions, and sustainability. With nearly 30 years of tech-native expertise, we guide businesses through sustainable digital transformations to deliver tangible value. Present in over 25 countries across Europe, the Middle East, and Africa, and powered by...

About ECKXEL EU PartnersAre you looking for an exciting opportunity and a job that will give your career a real boost? This offer is for you. To support one of our clients, a renowned European Public Institution in Luxembourg, we are looking for a skilled and motivated Junior Java Back-End Developer to join our development team. ECKXEL EU Partners is a...

### **Développeur Full Stack Java / Angular (H/F)** Vous êtes passionné(e) par le développement Full Stack et souhaitez évoluer dans un environnement stimulant mêlant projets, maintenance évolutive et corrective, ainsi que support applicatif ? Cette opportunité est faite pour vous ! Vous serez intégré au sein d’une équipe dynamique de l’un...

Développeur Full Stack Java / Angular (H/F) Vous êtes passionné(e) par le développement Full Stack et souhaitez évoluer dans un environnement stimulant mêlant projets, maintenance évolutive et corrective, ainsi que support applicatif ? Cette opportunité est faite pour vous ! Vous serez intégré au sein d’une équipe dynamique de l’un...

### Développeur Full Stack Java / Angular (H/F) Vous êtes passionné(e) par le développement Full Stack et souhaitez évoluer dans un environnement stimulant mêlant projets, maintenance évolutive et corrective, ainsi que support applicatif ? Cette opportunité est faite pour vous ! Vous serez intégré au sein d’une équipe dynamique de l’un de...

Job descriptionChez Sword Technologies, nous accompagnons nos clients dans leurs projets de transformation digitale, en intervenant sur des missions à forte valeur ajoutée dans des environnements exigeants.Nous accordons une attention particulière à la qualité des missions proposées ainsi qu’à l’accompagnement de nos collaborateurs dans leur...

Job Role: Java Fullstack Developer Job Location: Luxembourg Experience- 5 Years of core development Work Type: Hybrid Note: Not open for sponsorship case. About Company: At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to...

Job DescriptionJob Title: Java Quality Assurance Lead Job Type: Contract Location: Remote About This RoleIn this hourly, remote contractor role, you will work as a Java Quality Assurance Lead to oversee quality, consistency, and trainer performance across Java AI training projects. You will review AI-generated Java...

INCERT is a center of expertise providing services and solutions based on knowledge and experience acquired in cryptography, Public Key Infrastructure (PKI), eTravel document, biometry and artificial intelligence. "Established since 2012, INCERT is a public agency owned by the State of Luxembourg and the Luxembourg Chamber of Commerce. INCERT also...

We are on the lookout for a Software Architect Senior to join our team for working with European Institutions based in Luxembourg in an On site position. Get to know us - SEIDORAt SEIDOR, we drive client transformation and competitiveness with cutting-edge technology and innovation , with a relentless focus on the human element and a commitment to...

Key Responsibilities Frontend Architecture & React Development •Design, develop and maintain complex frontend applications using React. •Contribute to the architecture of advanced React projects, including micro-frontends and performance optimisation. •Define and apply frontend architecture principles in line with project requirements and...

Job DescriptionJob Title: Senior Full Stack Engineer Job Type: Contract Location: Remote Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is...

Clavem Advisory We're looking for a talented Java Spring Boot & Python Developer to join our team and contribute to the development of scalable, high-quality backend solutions Key Responsibilities Develop and leverage Python for AI-related initiatives, data mining, and backend analytical solutions. Design, build, and maintain robust...

Key Responsibilities JOB DESCRIPTION Support the development and maintenance of backend services using Java and Spring Boot. Assist in frontend development using Flutter or similar frameworks such as React or Angular. Work with data modeling and querying using SQL Server and/or Graph Databases. Participate in containerized development...

Key Responsibilities JOB DESCRIPTION Support the development and maintenance of backend services using Java and Spring Boot. Assist in frontend development using Flutter or similar frameworks such as React or Angular. Work with data modeling and querying using SQL Server and/or Graph Databases. Participate in containerized development...

Drive Efficiency and Growth at Fujitsu Fujitsu is a leading ICT company 155.000 employees worldwide, more than 140 in Luxembourg, offering a full range of technology, solutions and services. This is an opportunity to join a strong organization within a young, dynamic and flexible work environment, with a real growth opportunities and immediately...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Deputy CTO (AI Product) based in Luxembourg. This is a high-impact technical leadership role at the intersection of engineering, architecture, and product execution. You will act as the right hand to the CTO, helping...

DescriptionDo you want to solve real customer problems through innovative technology? At Amazon, we hire the best minds in technology to innovate and build on behalf of our customers. Our Software Development Engineers (SDEs) use modern technology to solve complex problems while seeing their work's impact first-hand. As an SDE-I, you'll own...