Java Backend - Technical Specialist responsible for backend or full stack development. Core skills required include Core Java, Spring Boot, and PL/SQL knowledge.
About the role
- Senior Backend Developer architecting and building backend systems for AI marketing platforms. Collaborating with AI engineers and ensuring performance and security standards.
Responsibilities
- Design and build robust, cloud-ready backend services
- Integrate cutting-edge AI/ML platforms and data systems
- Work closely with architects, AI engineers, and DevOps
- Ensure performance, reliability, and security at scale
- Architect, design, and maintain RESTful and GraphQL APIs
- Develop and optimize backend services using Python (FastAPI, Flask) or Node.js
- Implement efficient data pipelines interacting with AI/ML models
- Ensure high-quality code through testing, reviews, and documentation
- Deploy and manage services on AWS, Azure, or GCP
- Use Docker & Kubernetes to build scalable environments
- Support CI/CD with GitHub Actions, Terraform, or Bicep
- Integrate with headless CMS platforms such as Contentstack
Requirements
- Strong expertise in Python (FastAPI, Flask) or Node.js
- Experience with PostgreSQL, Redis, and ideally MongoDB
- Solid knowledge of AWS, Azure, or GCP
- Proficiency with Docker, Kubernetes, Terraform, GitHub Actions
- Experience with AI-related tools (OpenAI API, LangChain, dbt, Spark) — a big plus
- Understanding of authentication and monitoring tools (OAuth2/JWT, Sentry, Prometheus, Grafana)
- Advanced English – daily communication with global teams
Benefits
- Hybrid work: 2 office days, 3 remote
- Free lunch on office days
- Daily snacks, coffee, fruit
- Office activities: ping-pong, yoga & more
- 30 days working from abroad
- Birthday day off
- 23 vacation days + 2 personal days
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
Medical staff position caring for patients at breast center in Mönchengladbach. Requires strong communication, organization skills and empathy in a healthcare setting.
Junior Back - End Developer at SONDA responsible for developing web and mobile applications using React and Flutter. Collaborating with designers and ensuring application performance and security.
Backend Software Engineer focusing on embedded Linux software for IoT devices at Teltonika. Engaging in API development and collaboration within R&D teams in an innovative environment.
C++ Softwareentwickler für die Entwicklung und Weiterentwicklung von Softwarelösungen in Mechernich. Zusammenarbeit mit einem engagierten Team in einem familiengeführten Unternehmen.
Java Team Lead managing teams and technology implementation at IDEMIA. Responsible for team performance, engagement, and driving continuous improvements.
Backend Developer responsible for designing, implementing, and maintaining backend systems for community - focused projects at Today’s Technology team. Joining a purpose - driven organization helping impact organizations at scale.
Senior Machine Learning Engineer developing ML tools for healthcare innovation. Focusing on data - driven improvements for clinician workflows and integrating new ML technologies.
Full Stack Java Developer at Castelan developing digital solutions in an expanding IT development team. Involves designing, delivering, and maintaining Java & J2EE applications.
Senior Software Engineer developing Java applications in the Employee Benefits IT Team. Leading engineering teams to drive the transformation of Employee Benefits application landscape with a hands - on technical leadership role.