Fullstack Java Developer

Growth through diversity, equity, and inclusion. As an ethical business, we do what is right — including ensuring equal opportunities and fostering a safe, respectful workplace for each of us. We believe diversity fuels both personal and business growth. We’re committed to building an inclusive community where all our people thrive regardless of their backgrounds, identities, or other personal characteristics. Responsibilities Design and develop the server‑side logic of web applications, implement scalable and efficient server‑side components and APIs. Build React/Next.js–based applications. Work with relational and/or NoSQL databases to store and retrieve data efficiently; design and optimize database schemas for performance and scalability. Integrate third‑party APIs and web services to enhance application functionality; develop custom APIs to facilitate communication between front‑end and back‑end systems. Implement security best practices to protect against common web application vulnerabilities and conduct regular security audits. Optimize server‑side code for maximum speed and scalability; monitor and troubleshoot performance issues. Collaborate with front‑end developers, UI/UX designers, and other team members to ensure seamless integration of components. Use version control systems (e.g., Git) to manage and track changes to the codebase. Conduct thorough testing of server‑side components to identify and fix bugs. Collaborate with QA engineers for comprehensive testing. Document back‑end systems and APIs comprehensively. Qualifications At least 4 years of experience in a similar position. Proficiency in Java server‑side programming. Thorough understanding of React/Next.js core principles, React Router, hooks, Redux (or similar) workflows, web performance and security. Experience with database systems (e.g., MySQL, PostgreSQL, MongoDB). Proven experience in back‑end development and building scalable web applications. Familiarity with cloud platforms (e.g., AWS, Azure, GCP) is a plus. Previous experience in front‑end development with Docker is a plus. Experience with Node.js is a plus. Strong analytical and problem‑solving skills with attention to detail. Effective communication skills to collaborate with cross‑functional teams. Ability to adapt to changing project requirements and technologies. English at least B2. Benefits Office as an option model: choose to work remotely or in the office. Workation: enjoy working from inspiring locations in line with our workation policy. Great Place to Work® certified employer. Flexibility regarding working hours and preferred form of contract. Comprehensive online onboarding program with a “Buddy” from day 1. Unlimited access to the UdemyLearning platform from day 1. Certificate training programs. Lingarians earn 500+ technology certificates yearly. Upskilling support: capability development programs, competency centers, knowledge sharing sessions, community webinars, 110+ training opportunities yearly. Grow as we grow as a company. 76% of our managers are internal promotions. Diverse, inclusive, and values‑driven community. Autonomy to choose the way you work; we trust your ideas. Create our community together: refer your friends to receive bonuses. Activities to support your well‑being and health. Opportunities to donate to charities and support the environment. Modern office equipment: purchased for you or available to borrow, depending on your location. #J-18808-Ljbffr