Full-Stack Developer for Mobile, Web & AI-Powered Platform | React, Java (Consultation)
Worldwide
We’re looking for an experienced Full‑Stack & Mobile Developer to provide a deep technical consultation for a product we’re currently planning. Our team builds and maintains several production systems (Java/Spring Boot, Angular, React, AWS, Docker/Kubernetes), and we need an external expert to help us validate the technical direction for a new platform that will include: • Mobile App Development (iOS/Android, React Native, Flutter) • Web Application (React, Next.js, Vue) • Backend Services (Laravel, FastAPI, Node.js, Python) • AI/LLM Features (RAG, embeddings, semantic search, automation agents, chatbots) • Сloud Infrastructure (AWS, Docker, Kubernetes, PostgreSQL, Redis) What we need from the consultation: • Review of our initial architecture draft (mobile + backend + cloud). • Recommendations for the best stack across React Native, Flutter, Laravel, FastAPI, PostgreSQL, Python, Node.js. • Guidance on integrating AI features (RAG, vector DBs, embeddings, chatbots, automation workflows). • Advice on building scalable APIs (REST, WebSockets) and multi‑module backend structure. • Suggestions for CI/CD, deployment strategy, and long‑term maintainability. • Clarification on how to structure the MVP for fast delivery. Deliverables • Architecture outline (mobile + backend + cloud) • Recommended stack and reasoning • MVP breakdown with modules and timeline • Notes on AI integration feasibility Ideal consultant: Someone with strong experience in Mobile App Development, Full‑Stack Development, React Native, Flutter, Laravel, FastAPI, Python, PostgreSQL, AI App Development, Retrieval Augmented Generation, and scalable cloud systems.
- Less than 30 hrs/weekHourly
- < 1 monthDuration
- ExpertExperience Level
- Remote Job
- One-time projectProject Type
Skills and Expertise
Activity on this job
- Proposals:50+
- Interviewing:0
- Invites sent:0
- Unanswered invites:0
About the client
- LVALiepaja4:27 AM
- $27K total spent59 hires, 1 active
- 677 hours
- Media & EntertainmentIndividual client
Explore similar jobs on Upwork
How it works
Create your free profileHighlight your skills and experience, show your portfolio, and set your ideal pay rate.
Work the way you wantApply for jobs, create easy-to-by projects, or access exclusive opportunities that come to you.
Get paid securelyFrom contract to payment, we help you work safely and get paid securely.
About Upwork
- 4.9/5(Average rating of clients by professionals)
- G2 2021#1 freelance platform
- 49,000+Signed contract every week
- $2.3BFreelancers earned on Upwork in 2020
Find the best freelance jobs
Growing your career is as easy as creating a free profile and finding work like this that fits your skills.
Trusted by