Freelancers using Next.js in BelgradeFreelancers using Next.js in Belgrade
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Engjell Developer's avatar
Engjell Developer
proBelgrade, Serbia
Software Developer | CO FOUNDER at Aligator.xyz
5.0
Rating
42
Followers
Software Developer | CO FOUNDER at Aligator.xyz
Cover image for Helloouu there, do you find
Helloouu there, do you find this website attractive www.furnishot.com
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75
Cover image for Just built a voice interactive
Just built a voice interactive orb with Three.js 🔮 First time experimenting with it, this was fun as hell. Would love some feedback from the Contra fam.
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227
Cover image for After 5+ years… I finally killed my 2019 portfolio 😂 Just l...
After 5+ years… I finally killed my 2019 portfolio 😂 Just launched the new one this weekend: www.engjell.dev (http://engjell.dev) Clean, fast, and has a 3D cartoon me because I thought it was funny. Let me know what you think (honest feedback welcome)! Currently open for new projects if anyone needs a new site 🚀 #webdeveloper #portfolio #tailwind #nextjs
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215
Cover image for Guys, I tried blending modern design with nature… what do yo...
Guys, I tried blending modern design with nature… what do you think? luxholz.ch (http://luxholz.ch)Website for wood flooring company in Swiss 🇨🇭
17
50
480
Next.js(9)
Filip Mijic's avatar
Filip Mijic
Obrenovac, Serbia
AI Automation & Integration Engineer — n8n, AI Agents, RAG
New to Contra
AI Automation & Integration Engineer — n8n, AI Agents, RAG
Cover image for AI resume builder with RAG
AI resume builder with RAG chat — shipped to production, $0 recurring infra. I design and build lean, production-grade AI products. My latest, kairesume (live at kairesume.fit (http://kairesume.fit)), tailors resumes to any job description, scores ATS keyword match, drafts cover letters, and answers user questions through a retrieval-augmented chat assistant grounded in real product docs — so it stays accurate. What I bring to your project: RAG systems — pgvector, embeddings, chunking, retrieval that doesn't hallucinate Full-stack AI apps — Next.js 14 + TypeScript, Supabase, Groq/LLM integration, streaming chat Cost-efficient architecture — I shipped this whole system on a $0 infra budget by making sharp tradeoffs Production workflow automation — n8n ingestion pipelines If you need an AI feature built right — RAG chat, document tooling, or an LLM-powered MVP — let's talk. Available for freelance and contract work now.
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73
Cover image for Multi-Agent Orchestrator Development
Multi-Agent Orchestrator Development
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4
Cover image for An open-source Python RAG app.
An open-source Python RAG app. Documents (PDF/DOCX/MD/TXT) are loaded, split into paragraph-aware overlapping chunks, embedded, and stored in a ChromaDB vector store. At query time the question is embedded, the closest passages are retrieved via cosine top-K search, injected into a grounding-and-refusal system prompt, and the answer is streamed back with its source chunks shown. LLM and embedding providers are pluggable (Groq/OpenAI and local sentence-transformers/OpenAI) via .env, and it ships with both a Streamlit UI and a CLI. An evaluation harness measures retrieval hit-rate and answer accuracy on a labelled Q/A set.
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24
Cover image for Automated RAG vector store sync
Automated RAG vector store sync (n8n + Supabase pgvector) The problem: a retrieval-augmented chatbot whose knowledge base drifts out of date the moment the source docs change — unless someone remembers to manually re-embed everything. What I built: a fully automated reindex pipeline in n8n that keeps the vector store current with zero manual steps. How it works: Triggers on a daily schedule and on a deploy webhook Fetches source markdown, chunks it on heading boundaries with overlap to preserve context Embeds in batches via a Supabase Edge Function (384-dim) Bulk UPSERTs vectors into Postgres with pgvector Removes stale chunks from deleted or shortened docs automatically Why it's solid: Idempotent — safe to re-run any number of times, no duplicates, no drift Runs entirely on free tiers ($0 infra) Retry-on-fail on network calls + a dedicated error workflow for alerts I design and ship production automations like this — RAG pipelines, data sync, internal tooling, and API integrations. If you're building anything with AI retrieval or you've got a repetitive data process worth automating, send me a message and let's scope it.
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38
Next.js(1)
Danilo Kurilin's avatar
Danilo Kurilin
Pancevo, Serbia
Software Engineer who lives and breathes with Code.
1x
Hired
5.0
Rating
3
Followers
Software Engineer who lives and breathes with Code.
Cover image for Children Healthcare Platform
Children Healthcare Platform
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10
Cover image for EverClime
EverClime
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5
Cover image for Volunteering Management Platform
Volunteering Management Platform
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3
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Next.js(1)
Momcilo Popov's avatar
Momcilo Popov
Belgrade, Serbia
Design engineer & developer for 15+ years
5.0
Rating
3
Followers
Design engineer & developer for 15+ years
Cover image for Some design & layout animation
Some design & layout animation explorations from a recent project
2
70
Cover image for videotoflip.com
videotoflip.com
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3
Cover image for landing page development i did
landing page development i did
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73
Cover image for TB to one of the
TB to one of the funniest projects've ever built
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69
Next.js(2)
Vladimir Babic's avatar
Vladimir Babic
Belgrade, Serbia
🚀 Design, Webflow, Next js and Hedless commerce
🚀 Design, Webflow, Next js and Hedless commerce
Cover image for Swiss Master Data Management
Swiss Master Data Management
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23
Cover image for Howdy Health
Howdy Health
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55
Cover image for 360 Workx Branding
360 Workx Branding
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29
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Next.js(1)
Predrag Gagović's avatar
Predrag Gagović
Belgrade, Serbia
Full-Stack Dev | AI, Blockchain & Cloud Solutions
7
Followers
Full-Stack Dev | AI, Blockchain & Cloud Solutions
Cover image for Custom AI chatbot
Custom AI chatbot
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7
Cover image for Anomaly Detection and Analysis
Anomaly Detection and Analysis
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8
Cover image for Stock price app
Stock price app
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34
Cover image for Stock price app
Stock price app
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5
Next.js(1)