About
Hypersolid builds scalable digital applications and end-to-end digital products, connecting frontend experiences with backend services and using AI-driven and spec-driven development practices.
Responsibilities
•Work with designers, developers, and engineers to turn ideas into working solutions
•Take ownership of assigned work, identify improvements, and contribute to codebase and product quality
•Develop and maintain full-stack applications using the core stack
•Build responsive, performant user interfaces with React and Next.js
•Develop and manage APIs and server-side logic using Node.js
•Contribute to AI-powered features using LLMs and external AI services, and apply agentic, AI-driven development practices
•Translate requirements into clear specifications and use them to guide human and AI-assisted development
•Collaborate with infrastructure engineers to deploy and maintain cloud infrastructure on AWS
•Ensure application performance, scalability, and reliability
•Improve development workflows, tooling, and code quality
•Become increasingly involved in technical decisions as experience in the role grows
Requirements
•Completed HBO (Bachelor) education or equivalent relevant work experience
•5+ years of experience as a Full Stack Developer or in a similar role
•Experience with React, Next.js, and modern frontend tooling
•Experience with Node.js and API development
•Experience with headless CMS platforms such as Sanity, Contentful, DatoCMS, or Strapi
•Hands-on experience with cloud platforms such as AWS
•Hands-on experience with AI/ML APIs such as OpenAI, Hugging Face, or Anthropic, and agentic development tools
•Experience with or clear affinity for spec-driven development approaches
•Knowledge of SQL and/or NoSQL databases
•Fluent spoken and written English
•Curious, collaborative, proactive, and willing to learn new technologies
•Takes ownership and responsibility, communicates clearly, and balances quality, performance, and pragmatism
Nice to have
•Experience with Figma and design systems
Conditions
Amsterdam, North Holland, Netherlands
