Full Stack Developer

Full Stack Developer
Halcyon Labs is hiring a Full Stack Developer (React Native+Node.js) for a project developing AI-powered digital entertainment platforms and scalable consumer-facing applications.
The customer is a technology company developing AI-enabled digital platforms that leverage machine learning, automation, and analytics to deliver scalable, data-driven online services. The company focuses on enhancing user engagement, personalizing digital experiences, and supporting the development of innovative consumer-oriented products through modern cloud technologies and intelligent automation.
The project is focused on developing and enhancing a digital entertainment ecosystem for discovering, developing, and monetizing intellectual property. It includes platforms for publishing user-generated stories, commercializing high-potential content, and adapting works into AI-powered video formats across multiple digital channels.
Responsibilities:
– Owning product areas end-to-end across Inkitt, Galatea, and CandyJar — mobile, web, backend, architecture, and delivery quality.
– Building mobile-first experiences with React Native / Expo, TypeScript, NestJS, and Tailwind.
– Integrating with polyglot backends (Ruby on Rails, Go, Node.js).
– Collaborating across teams to ship high-quality features fast and align technical work with the roadmap.
– Driving innovation and explore new technologies — including AI-driven products like recommendations, translation, and video generation.
Must-haves:
– Working within large, well-maintained codebases for 5+ years.
– Strong TypeScript and React Native / Expo experience.
– Comfortable full-stack, especially Node.js.
– Autonomous; brings solutions, not problems.
– Data-driven and quick to action.
– A high-functioning workaholic chasing exponential growth.
– Has lots of fun building a generational AI × Entertainment company.
– Level of English – from Upper-Intermediate and above.
Nice-to-haves:
– Willing to work EST hours to overlap with our Product team and leadership at our San Francisco HQ.
– Uses AI tools pragmatically to move faster; production experience with LLMs, recommendations, or generative video.
– Mentoring junior engineers.
– Mobile release experience (App Store / Google Play).
Reasons why this job would be interesting to you:
– Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Halcyon Labs cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc
– The opportunity to change the project and/or develop expertise in an interesting business domain.
– Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant.
– Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee.
– The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities.
– Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated.
– Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies).
– Certification compensation (AWS, PMP, etc).
– Referral program.
– Private health insurance and compensation for sports activities.
Join us!