NexCell Solutions
Full-Stack Engineer Intern - React, Next.js & Python
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Full-Stack Engineer Intern - React, Next.js & Python
Remote | Duration: 6 Months | Start Date: ASAP | Commitment: ~20 hours per week | Eligibility: Students enrolled in a credit-bearing UK university placement | Application Deadline: Saturday 29 August 2026 | Unpaid (credit-bearing, contributing towards your degree)
About the Opportunity
NexCell Solutions is building a production-grade, AI-powered SaaS platform used by live clients, and we need strong full-stack hands to help ship it. This is not coursework simulation or a demo project: you will design, build, and ship real product features, from responsive interfaces through to the APIs behind them, inside a professional engineering environment.
The role spans the full development lifecycle, from pixel-accurate UI through to backend endpoints and real-time data. It is built for students with strong frontend foundations who want to grow into full-stack engineering, with direct mentorship from NexCell's senior engineers. The work rewards initiative, attention to detail, and a bias towards shipping.
What You Will Do
- Build responsive, high-performance UI components using React and Next.js
- Translate Figma designs into pixel-perfect, production-ready interfaces
- Develop dashboards for monitoring AI-driven conversations and system activity
- Design UI components that visualise AI outputs, analytics, and system insights
- Build and maintain FastAPI REST endpoints powering product features and automations
- Implement real-time UI updates using WebSockets for live data streams
- Take part in early architectural discussions, implementation decisions, and testing
- Apply structured development practices focused on security, reliability, and user trust
- Write clean, maintainable, well-documented code across the full stack
- Collaborate with senior engineers on API contracts and feature UX
- Push production-quality code to GitHub as part of a real AI SaaS product
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Who This Is For
- Students with a strong frontend foundation looking to expand into full-stack engineering on a real product
- Students currently enrolled in a Bachelor's or Master's degree that includes a credit-bearing placement or internship module
- Fast learners who enjoy solving complex problems and can work independently
- Individuals interested in SaaS platforms, AI-powered products, and end-to-end engineering
- Those able to balance academic commitments with a structured part-time internship
- Reliable, disciplined contributors who communicate progress clearly and work well in written English on a remote team
Preferred Background
Currently studying Computer Science, Software Engineering, Data Science, Artificial Intelligence, or a related technical discipline. Solid frontend fundamentals are essential: hands-on experience with React and modern JavaScript (ES6+), with familiarity with Next.js or TypeScript strongly preferred. Additional exposure to any of the following is a plus: Tailwind CSS, Python and FastAPI, building or consuming REST APIs, Git and GitHub workflows, or a basic understanding of AI-backed systems such as LLMs, automation pipelines, or analytics dashboards.
Tech Stack Exposure
- Frontend: Next.js 14, React, TypeScript, TailwindCSS, shadcn/ui
- State Management: React Hooks, Context API, TanStack Query
- Backend: Python, FastAPI (REST APIs powering AI features)
- Real-time: WebSockets for live data streams
- AI Layer: LLM integration, AI-generated insights, automation controls
- Charts & Visualisation: Recharts, D3.js
- Design Handoff: Figma to code
- Version Control: Git, GitHub
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How to Apply
Submit your application by email to contact@nexcellsolutions.com with:
- Your CV with a cover letter
- A short paragraph (maximum 150 words): "Describe a frontend or full-stack project you recently built. What did you learn from it?"
Applications missing any component will not be considered.
Internship Details
- Duration: 6 months
- Hours: Approximately 20 hours per week, flexible around academic commitments
- Location: Fully remote
- Compensation: Unpaid, credit-bearing internship including mentorship, certification, and professional reference upon completion
- Academic requirement: Must contribute toward a recognised UK university placement or internship module
- Extension: High-performing interns may be considered for a full-time role after completion
About NexCell Solutions
NexCell Solutions Ltd (London, UK) is a CRM and AI consultancy specialising in intelligent, privacy-first digital systems for real-world business environments. We design and build AI-powered platforms, automation systems, and SaaS products used by organisations across multiple industries. We value precision, reliability, and continuous learning. This internship is ideal for students who want to help build a real, innovative AI product from the ground up and gain genuine end-to-end engineering experience.
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