Junior Full-Stack Software Engineer

About the role

Kollabio is building AI‑native platform solutions and is looking for a proactive Junior Full‑Stack Software Engineer. You will own features from design through production, work with modern AI tools, and receive mentorship from senior engineers.

Key responsibilities

• Deliver backend services using NestJS and TypeScript, from design to production.
• Build responsive front‑end components and pages with React, Next.js or Vue.
• Translate product requirements and acceptance criteria into clean, working code.
• Write meaningful unit and integration tests to protect code from regression.
• Participate in code reviews, both reviewing others' work and receiving feedback.
• Contribute to REST API design and documentation.
• Engage in technical discussions, sprint planning and architectural decisions.
• Integrate AI/LLM capabilities into features with senior guidance.
• Use AI tools strategically for code generation, debugging and design exploration.

Required profile

• 1‑2 years of professional software development experience or strong computer‑science fundamentals.
• Strong proficiency in TypeScript or JavaScript.
• Experience building components and pages with React, Vue or similar frameworks.
• Comfortable with Git, GitHub and standard version‑control workflows.
• Understanding of HTTP and REST basics.
• Hands‑on experience with AI coding assistants (ChatGPT, Claude, GitHub Copilot) or ability to adopt them quickly.
• Problem‑solving mindset and willingness to take feedback seriously.

Required skills

• TypeScript
• JavaScript
• NestJS
• React
• Vue
• Next.js
• PostgreSQL or other relational databases
• Prisma (ORM)
• Git / GitHub
• HTTP & REST
• AI coding assistants (ChatGPT, Claude, GitHub Copilot)
• AI/LLM APIs