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Rania Benotman's avatar
Rania Benotman
proLondon, UK
Founder · Full-Stack & AI Engineer · 15+ Projects
$1k+
Earned
1x
Hired
5.0
Rating
46
Followers
Founder · Full-Stack & AI Engineer · 15+ Projects
Cover image for NeptuneBlue AI SaaS — RAG · Multi-Tenant · FastAPI
NeptuneBlue AI SaaS — RAG · Multi-Tenant · FastAPI
2
15
Cover image for Excited to share some of
Excited to share some of the backend work I've been doing lately with Supabase! 🚀 Here's a look at what went into building a production-ready backend from scratch: 🗄️ Database Schema Design Designed a relational schema with multiple interconnected tables: profiles, notes, reminders, conflicts, and a dedicated user_keys table for encryption key management. Every table has proper foreign key relationships, timestamps, and nullable/non-nullable constraints enforced at the DB level. 🔒 Row Level Security (RLS) Every single table has RLS enabled with two policies: users can only access their own rows, and anonymous access is blocked entirely. No exceptions. Security is enforced at the database layer, not just the application layer. 🔑 Auth & Email Flows Set up Supabase Auth with email + OAuth support, including full PKCE flow for secure token exchange. Configured deep link redirects for email confirmation and password reset flows, all tested end to end. ⚡ Edge Functions Built and deployed multiple Supabase Edge Functions handling AI processing pipelines, including JWT validation at the top of every function before any processing begins. The OpenAI API key lives exclusively in Supabase secrets, never in the app or any config file. 🔄 Merge Pipeline Built a follow-up note merge pipeline as an Edge Function. New facts are appended to existing profiles, duplicates are detected and skipped, conflicts are logged, and resolved reminders are handled gracefully. 📦 Migrations All schema changes go through versioned migration files under source control. No manual dashboard changes. CI/CD triggers migrations automatically on merge to main. 🔐 Encryption Architecture Client-side AES-GCM encryption via CryptoKit. Plaintext never sits in the database. Encryption keys are stored in a dedicated RLS-scoped table, fetched after login, and held in memory only for the session duration. Still a lot more to share about this project. Excited to talk about it publicly when it launches! 👀
5
5
1.3K
Cover image for Nava University — WordPress · Elementor · Figma
Nava University — WordPress · Elementor · Figma
3
6
Cover image for Neuronic — IoT Flutter Suite · BLE · 100% Test Coverage
Neuronic — IoT Flutter Suite · BLE · 100% Test Coverage
3
5
Docker(1)
Neil Seymour's avatar
Neil Seymour
London, UK
Cloud Infrastructure Engineer · AWS · Kubernetes · Docker
New to Contra
Cloud Infrastructure Engineer · AWS · Kubernetes · Docker
Cover image for Preview Environment System · CI-Driven
Preview Environment System · CI-Driven · Full Stack Automated preview environment system triggered by CI pipelines. On every PR tagged for preview, a GitHub Actions pipeline builds and pushes a branch-tagged Docker image, which triggers a Northflank webhook to instantiate a full-stack environment from a template — server, worker, PostgreSQL, migrations, and a unique subdomain URL. Environments are completely isolated per PR with no shared state, spin up in minutes, and are automatically destroyed when the PR is closed or merged. Production releases follow the same pipeline on merge to master, using Helm atomic upgrades with zero-downtime rolling updates.
0
32
Cover image for Multi-Arch Docker Pipeline — GitHub
Multi-Arch Docker Pipeline — GitHub Actions · GHCR CI/CD pipeline building multi-architecture Docker images (linux/amd64 + linux/arm64) via GitHub Actions and CircleCI. Uses Docker Buildx with QEMU emulation, multi-stage Dockerfiles for minimal production images, and automatic tagging by commit SHA, branch, and latest. Images are published to GitHub Container Registry (GHCR) with a multi-arch manifest. Deployments use Helm with atomic upgrades and automatic rollback, targeting both ephemeral preview environments and production EKS clusters.
0
38
Cover image for Cloud Infrastructure — AWS, EKS
Cloud Infrastructure — AWS, EKS & CI/CD Pipeline Architecture diagram representing the infrastructure stack I design and manage for clients. Covers a full CI/CD pipeline (GitHub Actions → Docker multi-arch build → Helm deploy), an Amazon EKS cluster with production-hardened pods (HPA, PodDisruptionBudgets, NetworkPolicies), supporting AWS services (RDS, S3, IAM), and observability via Prometheus and OpenTelemetry.
0
59
Cover image for Production Helm Chart — Kubernetes
Production Helm Chart — Kubernetes Deployment A production-grade Helm chart managing a multi-component application on Kubernetes. Includes separate server and worker deployments, HPA and PodDisruptionBudgets for resilience, NetworkPolicies for pod-level traffic control, a pre-deploy migration job, ingress with TLS, and a PostgreSQL dependency. Structured with separate values files for local dev and production environments.
0
35
Docker(2)
Tunji Ogunbiyi's avatar
Tunji Ogunbiyi
London, UK
Unlocking insights with AI and Data Science
Unlocking insights with AI and Data Science
Cover image for Supermarket web scraper
Supermarket web scraper
0
11
Cover image for Data Science Tutor
Data Science Tutor
0
9
Cover image for Predictive Maintenance for Engineering
Predictive Maintenance for Engineering
0
15
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Docker(1)
Asher Falcon's avatar
Asher Falcon
London, UK
Experienced developer with fast turnaround
Experienced developer with fast turnaround
Cover image for A variety of Java projects used to build highly performant games
A variety of Java projects used to build highly performant games
0
15
Cover image for Song guessing game
Song guessing game
0
11
Cover image for Fixing a e-commerce store
Fixing a e-commerce store
0
3
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Docker(1)
Osman Melih Tolunay's avatar
Osman Melih Tolunay
London, UK
Full Stack Web & Mobile Developer
$5k+
Earned
1x
Hired
1
Followers
Full Stack Web & Mobile Developer
Cover image for alpha-TMS
alpha-TMS
0
40
Cover image for Pepapp Backend Development
Pepapp Backend Development
0
21
Cover image for TeamupAI
TeamupAI
0
9
Cover image for getitAI Sales Experts // Personalized Video Consultations
getitAI Sales Experts // Personalized Video Consultations
0
12
Docker(1)
Dimitris Pallis's avatar
Dimitris Pallis
London, UK
Penetration Tester - OSCP 🛡️
5.0
Rating
Penetration Tester - OSCP 🛡️
Cover image for Penetration Tester
Penetration Tester
0
32
Cover image for Offensive Security Engineer
Offensive Security Engineer
0
16
Cover image for Penetration Testing Expert
Penetration Testing Expert
0
16
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Docker(1)
philippe vergnet's avatar
philippe vergnet
London, UK
FinTech Expert | Python, VBA, JavaScript | Automating Ops
FinTech Expert | Python, VBA, JavaScript | Automating Ops
Cover image for Fast and Easy Batch Document & Image Translation Online
Fast and Easy Batch Document & Image Translation Online
0
21
Cover image for Webapp - Chess opening learning platform
Webapp - Chess opening learning platform
0
11
Cover image for Webapp - Aerobic activity analytics dashboard
Webapp - Aerobic activity analytics dashboard
0
14
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Docker(1)