Lingaro
Fullstack Java Developer
Fullstack developer who designs and maintains Java server-side logic and APIs while building React/Next.js front-ends for web applications. Day to day involves database schema design (SQL/NoSQL), third-party API integration, security and performance optimization, testing, and documentation.
- Compensation
- Not disclosed
- Location
- Poland
- Work setup
- Not specified
- Seniority
- Not specified
- Employment
- Contract
- Experience
- 4+ years
- Category
- Fullstack
- Posted
Skills
Must have
- 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
- 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
Nice to have
- Familiarity with cloud platforms (e.g., AWS, Azure, GCP)
- Previous experience in front-end development with Docker
- Experience with NodeJS
Full description
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.
What You’ll Be Doing
- Designing, developing, and maintaining the server-side logic of web applications. Implementing scalable and efficient server-side components and APIs.
- Build React/Next.js based applications.
- Working with relational and/or NoSQL databases to store and retrieve data efficiently. Designing and optimizing database schemas for performance and scalability.
- Integrating third‑party APIs and web services to enhance application functionality. Developing custom APIs to facilitate communication between front‑end and back‑end systems.
- Implementing security best practices to protect against common web application vulnerabilities. Conducting regular security audits and implement necessary measures.
- Optimization: optimizing server‑side code for maximum speed and scalability. Monitoring and troubleshooting performance issues.
- Collaborating with front‑end developers, UI/UX designers, and other team members to ensure seamless integration of components.
- Using version control systems (e.g., Git) to manage and track changes to the codebase.
- Conducting thorough testing of server‑side components to identify and fix bugs.
- Collaborating with QA engineers for comprehensive testing.
- Clear and comprehensive documentation for back‑end systems and APIs.
What We’re Looking For
- At least 4 years of experience in a similar position.
- Proficiency in Java server‑side programming.
- Thorough understanding of React/Next.js core principles along with React router, hooks, Redux (or the like) 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 plus.
- Experience with NodeJS 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.
Offer
- Stable employment.On the market since 2008, 1500+ talents currently on board in 7 global sites.