Fullstack Developer (React + Node.js)

Tasks:

• Translate user stories and requirements into detailed technical specifications.

• Evaluate feasibility and provide input on proposed solutions.

• Create and present wireframes, technical diagrams, or rough prototypes when needed.

• Write clean, efficient, and maintainable code using TypeScript, React and Node.js.

• Develop and integrate RESTful APIs and backend services.

• Design and maintain database schemas.

• Implement unit, integration, and end-to-end tests.

• Monitor application performance and troubleshoot production issues.

• Create and maintain documentation for systems, services, and components.

Requirements:

Essential

• 5+ years Experience as a Full Stack Developer working with React (frontend) and Node.js (backend); TypeScript + Node.js preferred, JavaScript acceptable.

• Strong computer programming foundation with knowledge in Data Structures, Concurrency, Algorithms, Design Patterns and Best Practices.

• Strong proficiency in HTML, CSS, Sass, TypeScript, JavaScript and related web technologies.

• React with Chakra UI with knowledge of UI design principles and best practices.

• Node.js and related frameworks including Fastify.

• Strong understanding of REST API concepts and design principles.

• Understanding of relational databases and SQL language with experience of ORMs.

• Git workflows including branching, pull requests, merge conflict resolution and code reviews.

• Good knowledge of Agile/Scrum, continuous integration, and deployment.

Desired

• Bachelor’s or master’s degree in the field of Computer Science, Software Engineering, or related field.

• Jenkins pipeline experience and understanding of ArgoCD.

• Kubernetes concepts and manifest definitions.

• Experience with Docker and Docker-Compose.

• Experience using ESBuild and Vite.

• Hands on experience with either MariaDB/MySQL or Postgres.

• Understanding of SSO using OIDC.

• Experience maintaining PHP / LAMP stacks.

• Python experience.

• Basic Linux/Unix terminal experience.

• Has a portfolio or GitHub profile demonstrating past work.

Offer:

• Remote work / hybrid work model – 2 days per week from the Client's office in Warsaw

• B2B contract via Experis

• MultiSport Plus card

• Group insurance

• Medicover Premium healthcare package

• Access to an e-learning platform