Full Stack Developer Unpaid Intern (6-Month Path to Full-Time Hire)

Full Stack (unpaid) Developer Intern (6-Month Path to Full-Time Hire)
Alesa Ai Ltd: Building the Future of AI-Driven Applications
PLEASE READ CAREFULLY BEFORE APPLYING: THIS 6-MONTH INTERNSHIP IS STRICTLY UNPAID. Do not apply if you are not prepared to commit to this unpaid 6-month trial, or if you do not possess the “Must Have” technical requirements listed below. We are looking for high-calibre candidates ready to work on critical, production-level projects. Applications that do not meet the core criteria will be automatically filtered.
The Opportunity Alesa Ai is looking for a dedicated, technically proficient Full Stack Developer Intern to join our UK-based team. This is not a "shadowing" role—you will be working 30-40 hours per week on mission-critical projects using a modern stack.
Our goal is simple: We want to train you over the next 6 months to become a permanent, full-time member of our development team.
Internship Structure & Compensation This is a 6-month commitment designed as a rigorous, performance-based trial:
Months 1 – 6: Probation and Training Period (Strictly Unpaid).
The End Goal: A permanent, paid job offer for candidates who meet our standards of excellence at the conclusion of the 6 months.
Terms of Retention: Continued participation is strictly dependent on meeting attendance, professional communication, and the timely delivery of high-quality code.
The Tech Stack You will be working across 3 - 5 active projects in a fast-paced environment.
Frontend: React / Next.js
Backend: Java and Springboot
Database: Supabase (PostgreSQL)
Internship Responsibilities
Developing and maintaining full-stack web applications using Next.js and React.
Building robust backend logic and APIs using Java and Springboot.
Designing and managing PostgreSQL databases via Supabase.
Implementing and integrating AI features, including LLM-based functionality.
Collaborating with the team in a 30-40-hour-per-week, remote environment.
Participating in mandatory daily/weekly project meetings and technical sprints.
Applicant Requirements (Must Haves)
Proficiency in Next.js & React: Ability to build clean, responsive UIs.
Java & Springboot Backend Skills: Experience writing and maintaining server-side logic.
Database Management: Solid understanding of PostgreSQL and Supabase integration.
Commitment: Ability to work 30-40 hours per week (Full-Time) for the full 6-month unpaid duration.
Professionalism: Independent problem-solving skills and strict adherence to deadlines.
Communication: English at a conversational/professional level and consistent meeting attendance.
Tools: Mastery of Git/GitHub for version control.
Bonus Skills
AI Integration: Familiarity with specific AI integration flows using Groq and Perplexity.
Data Structures: Experience working with vector databases for AI-driven search and retrieval.
What You’ll Gain
A Career Path: A direct route to a full-time, paid role in a growing UK AI company.
Real-World Scale: Experience building live systems used by real clients.
Mentorship: Direct guidance from experienced developers and AI specialists.
Professional Credentials: A formal letter of recommendation and LinkedIn endorsements upon successful completion.
Join Us If you are a disciplined developer looking to prove your worth in the world of AI and full-stack development, we want to hear from you. Apply now to secure your spot in our next development sprint.

Work arrangement
No