Backend-Focused Full Stack Engineer (Node.js, React)

We’re a team of 500+ professionals who develop cutting-edge proxy and web data scraping solutions for thousands of the world’s best known businesses, including Fortune 500 companies. **What’s in store for you:** You’ll be solving complex challenges and maintaining our own infrastructure with 60PB+ monthly data traffic. Here are its scale and maturity in numbers: - 6PB+ Ceph storage - 60PB+ monthly data traffic through our systems - 300k+ service requests/sec processed - 500k+ Kafka messages/sec streamed Do you want to work in a team building client-facing products that power a global B2B data intelligence platform? Perhaps you are looking for comrades to help you develop your programming skills to absolute perfection. Do you like any of the following: Movies, TV shows, Cars, Hiking, Running, Ice Dipping, Gaming, Cycling, Philosophy, Youtube, History, Camping, Cats, Dogs, Spiders, etc.? Well, you’re in luck because whatever you are into, there are at least a couple of people here you can share your stories and bounce some ideas with. We value people hungry for knowledge and eager to apply it, and in return, we provide a constantly evolving environment rich with challenges that we solve with the latest technologies and greatest ideas. We have a seat ready for you! ### In this role, you’ll: - Design, develop, and maintain back-end services and RESTful APIs using Node.js and TypeScript. - Build and optimize API endpoints for client-facing products. - Work with PostgreSQL databases and Prisma ORM – schema design, query optimization, migrations. - Develop and maintain integrations with third-party services (payment systems, email services, CRM). - Develop and support front-end features using React.js and Next.js. - Leverage AI tools and contribute to integrating AI-powered features into products. - Collaborate with Product Managers and Design team to plan and refine requirements for new features. - Take ownership of delivering features through all development phases, including code review, QA, and production. - Monitor alert systems and respond proactively to errors or incidents. - Proactively research and introduce new tools, technologies, and solutions to enhance our tech stack. - Share knowledge, insights, and best practices with fellow team members to foster a collaborative environment. - Participate in creating well-thought-out technical plans for feature implementation. ### Your skills & experience: - 2+ years of professional full stack development experience. - Proficiency in JavaScript and TypeScript. - Experience with Node.js for back-end development. - Experience with React.js and Next.js for front-end development. - Experience designing and building RESTful APIs. - Comfortable using AI tools (LLMs, code assistants) in daily workflows. - Can-do attitude and proactive problem-solving approach. Eagerness to constantly learn new things. - Ability to understand business requirements and translate them into technical solutions. - Proficiency in Lithuanian and English languages. ### Nice to have: - Experience with Kubernetes or Docker. - Experience with third-party API integrations (Stripe, Sendgrid, SalesForce). - Experience with automated testing (unit, integration, E2E). - Experience integrating AI/LLM-powered features into products. - Experience with message queues or event-driven architectures. - Familiarity with modern logging, tracing, and observability tools. - Experience working with Monorepos. - Experience with GitLab CI pipelines. ### Salary & Benefits: - **Gross salary:** 4700-6300 EUR/month. Keep in mind that we are open to discuss a different salary based on your skills and competences. - **Growth & Learning:** 40+ internal learning options, external conferences, mentorship, and year-round knowledge-sharing. - **Health & Well-being:** Private health insurance, psychotherapy, on-site well-being consultants, 24/7 gym access, and a wellness app. - **Celebration & Community:** Team events, an overseas workation, quarterly team-building budgets, and plenty of ways to mark milestones together. Plus bonus vacation days, paid life-moment days off, barista coffee, and all the tools you need. See the full list of benefits here: .