This position is open to engineers based in Türkiye, Serbia, Poland, Slovakia and Czechia The position is for a B2B/freelancing cooperation and it is a long-term contract engagementAbout UsWe are a leading product development partner specializing in custom web and mobile application development. With Silicon Valley founders and top-tier European tech talent, we operate from Prague and have successfully delivered over 65 software products for early-stage startups, scaleups, and global enterprises.Founded in 2016Headquartered in PragueBuilt and launched 70+ products90+ team membersDriving product innovation for leading US companiesAt OAK’S LAB, we take an AI-first approach, utilizing AI on almost every project. From streamlining design and testing workflows to enhancing developer productivity, our teams leverage tools such as Figma MCP Server, Playwright MCP Server, and Cursor, and we’re actively experimenting with remote AI agents to push the boundaries of what’s possible in product development.OUR PROJECTSHere are a few from our portfolio:Nasdaq Private Market (Series C, Finance)- nasdaqprivatemarket.comBlackpoint Cyber (Series B, Cybersecurity) - blackpointcyber.comOpenLoop (Series A, Healthcare) - openloophealth.comTHE ROLEOur product development team is looking for a Fullstack Engineer who combines creative thinking, exceptional problem-solving skills, and technical expertise to build outstanding web and mobile applications for our clients.You’ll play a key part in building and scaling impactful digital products from the ground up. You’ll work as part of a dedicated product team alongside a Tech Lead, Product Manager, Designer, and a talented group of engineers, driving the success of innovative companies. Your role will involve actively contributing to the software development process and engaging with the team and business. You’ll be participating in discussions, providing technical input, and ensuring the delivery of high-quality software solutions that meet user needs and project goals.You’ll also have the opportunity to join our internal AI Guild, a community where engineers share insights, experiment with cutting-edge AI tools, and learn from one another.ResponsibilitiesDesign, develop, and version high-quality web and mobile applicationsCollaborate with product teams to understand feature requirements and translate them into technical solutionsBe accountable for an area of the application, its delivery, production-level quality, and its effective presentation to stakeholdersUnderstand the product and user needs to prioritize business value and functionalityEnsure the application meets all requirements of security and scalabilityWrite clean and scalable codeSkills & Requirements4+ years of experience in building digital products with both Node.js & ReactExperienced with Javascript/TypescriptProficient in EnglishFocus on code qualityDesire to learn new technologies and apply AI in your workflowStrong analytical and problem-solving skillsProactiveness and the capability to make a differenceDriven, hard work ethic, showing commitmentAbility to work effectively in a team environment, following Agile methodologiesExperience with Python is beneficial but not essentialOUR TECH STACKTypescriptNode.jsReact + Next.jsReact NativeGraphQL, tRPCMaterial UIPlaywrightPostgreSQLGoogle Cloud PlatformPythonAI Tools: Figma MCP Server, Playwright MCP Server, Cursor, Remote AgentsImportant Notice: OAK'S LAB communication, including interview requests and job offers, are only sent from an "@oakslab.com" or "@oaks-lab.com" email addresses (e.g., john@oakslab.com or john@oaks-lab.com). Any message from a different email domain is not associated with OAK'S LAB. We will never ask for payment information or banking details via email, phone, or any other communication channel during the interview process. If you receive messages using our name, domain, or brand assets in an attempt to impersonate us or act on our behalf, do not engage. Instead, report it to Econsumer.gov at Government Shutdown Notice / Aviso de cierre del gobierno (if you are in the EU), Federal Trade Commission (FTC) at Government Shutdown Notice / Aviso de cierre del gobierno , or the Securities and Exchange Commission (SEC) in case of investment fraud at SEC.gov | Report Suspected Securities Fraud or Wrongdoing (if you are in the US).

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Mid-Level Fullstack Engineer (Node&React)