Fullstack Java Developer

Posted 7 Days Ago
Be an Early Applicant
Hiring Remotely in Poland
Remote
Mid level
Information Technology • Software • Business Intelligence
The Role
You will design, develop, and maintain server-side logic for web apps, ensuring efficient APIs, database management, and security best practices. Collaboration with front-end teams and conducting thorough testing are key responsibilities.
Summary Generated by Built In
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.
  • “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.

Top Skills

AWS
Azure
GCP
Git
Java
MongoDB
MySQL
Postgres
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The Company
HQ: Warsaw
1,340 Employees
Year Founded: 2008

What We Do

You’ve got the data — now what’s next? Many businesses are overwhelmed by data and struggle to turn it into real business impact. At Lingaro, we empower global brands and companies to achieve more with data. From strategy development to scalable solutions, we guide you every step of the way. We transform raw data into actionable insights with deep tech expertise, sharp business sense, and a user-centric mindset. Rooted in Europe and operating worldwide, we deliver with agility, a fresh perspective, and a proven track record. Join 75+ leading CPG companies across 30+ countries that have already transformed their business with Lingaro. Be data ready. Be business ready. Be future ready. Contact us at https://lingarogroup.com/contact_us to get started. Want to know more? Check our recognitions & awards below. 🏆 Positioned as a Leader in ISG Provider Lens™ 2025 – Generative AI Services in Strategy & Consulting and Development & Deployment 🏆 Identified as a Leader in ISG Provider Lens™ 2025 – Specialty Analytics Services in Supply Chain and Retail & CPG 🏆 Strong Performer in the Gartner® Peer Insights™ 2022 and 2024 "Voice of the Customer" reports 🏆 Major Contender in the Everest Group® 2024 Analytics and AI Services Specialists PEAK Matrix® Assessment 🏆 Listee in the Gartner® 2024 Guide to Service Providers for GenAI Initiatives 🏆 Great Place to Work® in Poland, the Philippines, and India in 2024

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