Lingaro

Fullstack Java Developer

Poland full-time Mid Salary not listed
full-time Mid level Technology & IT Curated
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About the role

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/ 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.

“Office as an option” model. You can 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 your preferred form of contract.

Comprehensive online onboarding program with a “Buddy” from day 1.

Cooperation with top-tier engineers and experts.

Unlimited access to the Udemy learning 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.

A 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.

Plenty of opportunities to donate to charities and support the environment.

Modern office equipment. Purchased for you or available to borrow, depending on your location.

Originally posted on Himalayas

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Mid
Technology & IT API integration Javascript MySQL Writing Mid level full-time

Likely questions

  1. Tell us about work you have done that is close to the Fullstack Java Developer role.
  2. How would you approach your first 30 days at Lingaro?
  3. Which of API integration, Javascript and MySQL have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with API integration, Javascript and MySQL.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Fullstack Java Developer role because I can bring practical experience in API integration, Javascript and MySQL, learn the team quickly, and contribute to the outcomes Lingaro needs from this hire.

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