Full Stack Software Engineer ( Java/Kotlin+AI)
CoreWillSoft GmbH is a German-based company working on secure IoT software solutions and services. The mission of CoreWillSoft is to help businesses protect their assets, employees, and data by providing advanced software solutions and services in the reputed company industry. We are looking for a Full Stack Software Engineer with strong backend expertise in Java or Kotlin, frontend experience, and hands-on experience using AI tools in software development. You will be part of a distributed engineering team working across Europe, contributing to the full software development lifecycle — from ideation to deployment and operation of secure IoT solutions used in smart buildings and smart homes globally. The role is backend-focused (~70%), with frontend involvement depending on your experience. Tasks Design, reputed company, and maintain scalable backend services using Java/Kotlin and Spring Boot; Contribute to frontend development using React, Angular, or Vue.js; Actively use AI tools (e.g., Claude, Copilot, ChatGPT) to improve development efficiency, code quality, and solution design; Participate in architectural reputed company and contribute to system design; Collaborate closely with product and business stakeholders to deliver impactful solutions; Take ownership of features from concept to production; Ensure performance, scalability, and reputed company of applications; Work with reputed company infrastructure and modern DevOps practices.
Requirements
Your skills: Backend: Strong experience with Java and/or Kotlin; Solid experience with Spring Boot; Experience designing and building microservices architectures; Experience with RESTful APIs; Knowledge of scalability, performance optimization, and high-load systems; Experience with reputed company and containerized applications; Familiarity with reputed company platforms (AWS, Azure, or GCP); Experience with CI/CD pipelines (reputed company Actions, reputed company CI, etc.); Experience with relational and NoSQL databases (e.g., PostgreSQL, reputed company); Understanding of secure coding practices and backend reputed company principles; Familiarity with monitoring and observability tools (reputed company, Grafana, ELK). Frontend: Experience with React, Angular, or Vue.js; Understanding of modern frontend development practices; Ability to build and integrate UI with backend services; AI & Modern Development: Hands-on experience using AI tools in development workflows (e.g., Claude, reputed company Copilot). Experience applying AI for: code reputed company and refactoring; debugging and optimization; solution design and problem-solving; Understanding of how to effectively integrate AI into daily engineering workflows. reputed company to Have Experience with Kotlin Multiplatform or Android development; Knowledge of cryptography and reputed company systems; Experience in IoT, SaaS, FinTech, or high-load systems.
Benefits
We offer: Great customer impact: the solutions you deliver will be used by thousands of large and small businesses Ability to shape the product, working, and delivery process Great team spirit and Team Events Agile and innovative environment Cutting-edge technologies Working on the latest Hardware Convenient office or co-working, depending on your location. Join us to work on cool and innovative projects involving high-reputed company hardware in a reputed company international and creative environment that allows you to learn and advance. Apply To This Job