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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.
Key Responsibilities
We Offer
Key Responsibilities
- Design, build and maintain efficient, reusable and reliable code.
- Build React/Next.js based applications.
- Ensure the best possible performance, quality, and responsiveness of applications.
- Identify bottlenecks and bugs, and devise solutions to mitigate and address these issues.
- Help maintain code quality.
- Participate in the agile team scrums and effectively communicate to the team the status, roadblocks, and timelines for the task at hand.
- Must be able to collaborate with BA, QA, developers and offshore developers to plan, design, develop, test, and maintain mobile web and desktop-based applications requested by the stakeholders.
- Share knowledge with the team during workshops.
- 5+ years of professional experience.
- Strong experience in JavaScript and TypeScript.
- Thorough understanding of React/Next.js core principles along with React router, hooks, Redux (or the like) workflows, Web performance and security.
- Developing and maintaining modern distributed micro services.
- Development in Cloud environments (Google Cloud Platform preferred).
- Building, testing, and troubleshooting high volume web services using API Protocols and Data Formats (REST & JSON).
- Solid foundation in data structures, algorithms and its implementation in JS.
- Expertise with semantic HTML.
- Proficiency in CSS, including Tailwind, Styled Components, CSS Modules, and SASS.
- Expertise browser-based debugging tools.
- Experience with responsive and adaptive design.
- Experience with Testing (Unit Testing, react-testing-library, E2E).
- Keen understanding of web application development process and standard methodologies.
- Excellent communication skills.
- Great ownership of assigned tasks.
- Self-driven and proactive approach.
- English (B2+)
- Previous experience in Frontend development with Docker.
- Experience with Headless CMS (preferably Contentful).
- Experience with NodeJS.
- Knowledge of GraphQL.
We 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 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.
Key Skills
Ranked by relevance
react
cloud
css
google cloud platform
data structures
javascript
responsive
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- Posted
- Feb 09, 2026
- Type
- Contract
- Level
- Entry
- Location
- Warsaw
- Company
- Lingaro
Industries
IT Services
IT Consulting
Categories
Engineering
Information Technology
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View Job Details
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2026-05-08
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Senior AI/ML Engineer
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