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Zillion Infotech's avatar
Zillion Infotech
Surat, India
Building technology that creates real business impact.
5.0
Rating
1
Followers
Building technology that creates real business impact.
Cover image for Antidote- Healthcare  ◆ Context & Challenge The
Antidote- Healthcare  ◆ Context & Challenge The client needed a scalable digital healthcare platform to provide affordable and accessible medical services through a virtual-first model. The challenge was to deliver reliable, real-time telehealth services while ensuring data security, clinical accuracy, and seamless patient-doctor interactions across web and mobile platforms. ◆ Approach & Solution We developed an AI-powered telehealth platform that enables patients to access medical care, connect with clinicians, and manage their health digitally through a unified and secure system. ◆ Key focus areas: ‣ AI-assisted patient screening and clinical decision support ‣ 24/7 access to virtual healthcare services ‣ Seamless video consultation and communication workflows ‣ Integrated system for appointments, prescriptions, and records ‣ Scalable and secure healthcare infrastructure ◆ Execution ‣ Built telehealth platform for real-time video consultations ‣ Developed AI-driven symptom screening and support systems ‣ Implemented patient management for appointments and records ‣ Created secure infrastructure compliant with healthcare standards ‣ Designed scalable architecture for continuous care and access ◆ Outcome & Impact The platform enables patients to access quality healthcare services anytime, anywhere, at an affordable cost. ‣ Improved access to primary and urgent care services ‣ Reduced healthcare costs through virtual-first approach ‣ Enhanced patient experience with seamless digital interactions ‣ Enabled continuous care for chronic and preventive health needs ‣ Scalable solution supporting growing patient demand
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Cover image for Knowckdown  ◆ Context & Challenge The client
Knowckdown  ◆ Context & Challenge The client needed a scalable web platform to aggregate and display verified discounts, promo codes, and product deals from multiple online retailers. The challenge was to ensure accurate deal tracking, seamless user experience, and reliable integration with external eCommerce platforms while maintaining up-to-date pricing and offer validation. ◆ Approach & Solution We developed a centralized deal aggregation platform that enables users to discover, compare, and redeem offers easily through a structured and user-friendly interface. ◆ Key focus areas: ‣ Aggregation of verified discounts and promo codes ‣ Category-based deal discovery and browsing ‣ Real-time pricing and savings visibility ‣ Seamless affiliate integrations with marketplaces ‣ User dashboard for tracking offers and redemptions ◆ Execution ‣ Built platform for aggregating and managing deal listings ‣ Implemented category-based filtering and browsing system ‣ Developed integration with affiliate eCommerce platforms ‣ Created rebate and offer redemption workflows‣ Designed user account system for tracking and support ◆ Outcome & Impact The platform enables users to easily discover and redeem deals while helping brands increase product visibility. ‣ Simplified deal discovery across multiple categories ‣ Increased savings through verified discounts and rebates ‣ Improved user engagement with structured browsing experience ‣ Enhanced partner visibility through affiliate integrations ‣ Scalable system supporting continuous deal updates
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65
Cover image for BenchMark ◆ Context & Challenge The client
BenchMark ◆ Context & Challenge The client needed a modern and scalable digital platform to showcase services, support marketing campaigns, and improve client engagement. The challenge was to combine high-performance web development with UX-driven design and integrated marketing tools, while enabling businesses to track performance and optimize their digital presence effectively ◆ Approach & Solution We developed a user-centric digital platform that integrates design, content, and marketing capabilities, enabling businesses to manage their online presence and drive data-driven growth. ◆ Key focus areas: ‣ User-centric UI/UX for improved engagement ‣ SEO and performance marketing integration ‣ Content-driven architecture for scalability ‣ Analytics and conversion tracking systems ‣ Secure and high-performance infrastructure ◆ Execution ‣ Built responsive and scalable web platform ‣ Implemented SEO and content management capabilities ‣ Integrated analytics tools for user behavior tracking ‣ Developed UX testing and usability optimization workflows ‣ Designed secure hosting and performance-focused architecture ◆ Outcome & Impact The platform enables businesses to enhance their digital presence and optimize marketing performance. ‣ Improved user engagement through optimized UX design ‣ Increased visibility with integrated SEO strategies ‣ Data-driven decision making with analytics insights ‣ Enhanced conversion rates through performance optimization ‣ Scalable foundation for ongoing digital growth
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65
Cover image for ◆ Context & Challenge The client
◆ Context & Challenge The client needed a scalable, high-performance learning platform to help experienced engineers prepare for advanced technical interviews through structured training, real-world problem-solving, mentorship, and personalized coaching. ◆ Approach & Solution We built a comprehensive learning and career development platform combining structured courses, live mentorship, coding practice, mock interviews, and career support. Key focus areas: ‣ Advanced technical learning paths ‣ Live training and expert mentorship ‣ Real-world coding challenges ‣ Mock interviews with personalized feedback ‣ Resume and career preparation tools ◆ Execution ‣ Built a scalable platform for live classes and learning modules ‣ Developed interview-focused coding challenges ‣ Implemented mock interviews and feedback workflows ‣ Created learner progress and performance dashboards ‣ Integrated resume and interview preparation tools ◆ Outcome & Impact ‣ Improved technical skills through structured learning ‣ Increased interview readiness through realistic simulations ‣ Enabled personalized learning with expert mentorship ‣ Supported career advancement into top-tier technical roles ‣ Built a scalable platform capable of supporting thousands of learners globally
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63
Backend Engineer(5)
ML Engineer(2)
UX Engineer(1)
Data Engineer(1)
Łukasz Bazan's avatar
Łukasz Bazan
Głogów Małopolski, Poland
Fractional AI Architect | Deterministic GraphRAG Expert
New to Contra
Fractional AI Architect | Deterministic GraphRAG Expert
Cover image for PAY-SENTINEL is a highly deterministic
PAY-SENTINEL is a highly deterministic architectural framework designed to eliminate financial leakage in FinTech refund and payment automation pipelines. This document is a redacted portfolio version of the Master Blueprint, demonstrating how to replace probabilistic "AI Wrappers" with hard, stateful logic. The primary achievement of this architecture is the complete eradication of "Semantic Drift" and False Approval Rates (FAR). By weaponizing Pydantic V2 and GraphRAG, the system incarcerates stochastic AI outputs within rigid JSON schemas, forcing 100% SLA and KYC compliance before any transaction API is triggered. [ARCHITECTURAL IP & LIABILITY NOTICE] This document is a redacted sample of a Master Engineering Blueprint. It is intended exclusively for demonstrating architectural methodology and strategic framework design. It does not constitute a completed engineering source of truth for any third-party production environment. All proprietary frameworks and "Zero-Trust Fail-Safe" methodologies contained herein are the exclusive intellectual property of Łukasz Bazan. As a Fractional Architect, I provide the "Engineering Brain." I do not perform direct application coding. Any attempt to implement these patterns by internal teams is done at the Client’s own risk.
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79
Cover image for NEXUS-FORGE is a proprietary Tier-0
NEXUS-FORGE is a proprietary Tier-0 architecture designed for global supply chains operating on enterprise-grade ERP systems (SAP/Oracle). This document is a redacted portfolio version of the Master Blueprint, which eliminates the risk of "Stochastic Deadlock" and API Exhaustion by implementing an Asynchronous Sidecar pattern. The primary achievement of this architecture is the transformation of unpredictable AI forecasts into a deterministic "Digital Twin" model powered by a Neo4j Knowledge Graph. This enables the prediction of cascading failures and the calculation of a logistical "Blast Radius" with mathematical precision, completely isolating core operational databases from probabilistic AI models. [ARCHITECTURAL IP & LIABILITY NOTICE] This document is a redacted sample of a Master Engineering Blueprint. It is intended exclusively for demonstrating architectural methodology and strategic framework design. It does not constitute a completed engineering source of truth for any third-party production environment. All proprietary frameworks and "Zero-Trust Fail-Safe" methodologies contained herein are the exclusive intellectual property of Łukasz Bazan. As a Fractional Architect, I provide the "Engineering Brain." I do not perform direct application coding. Any attempt to implement these patterns by internal teams is done at the Client’s own risk.
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108
Cover image for LEX-SENTINEL is an advanced legal
LEX-SENTINEL is an advanced legal engineering architecture designed for high-stakes Mergers & Acquisitions (M&A). This document is a redacted portfolio version of the Master Blueprint, showcasing how to eliminate the severe legal liabilities (such as "Frankenstein Clauses") generated by probabilistic Naive RAG systems. The primary achievement of this architecture is the deployment of a Spatial Knowledge Graph. Instead of destroying document structure through standard OCR, the system maps exact (X, Y) coordinates of legal PDFs. It guarantees a 100% verifiable, Zero-Paraphrase policy, compressing cross-document liability analysis from weeks to sub-minute, mechanically verifiable audits. [ARCHITECTURAL IP & LIABILITY NOTICE] This document is a redacted sample of a Master Engineering Blueprint. It is intended exclusively for demonstrating architectural methodology and strategic framework design. It does not constitute a completed engineering source of truth for any third-party production environment. All proprietary frameworks and "Zero-Trust Fail-Safe" methodologies contained herein are the exclusive intellectual property of Łukasz Bazan. As a Fractional Architect, I provide the "Engineering Brain." I do not perform direct application coding. Any attempt to implement these patterns by internal teams is done at the Client’s own risk.
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129
Cover image for CYBER-AEGIS is a proprietary Tier-0
CYBER-AEGIS is a proprietary Tier-0 architecture designed for Enterprise Security Operations Centers (SOC). This document is a redacted portfolio version of the Master Blueprint, showcasing an autonomous SOC Swarm engineered to eliminate Alert Fatigue and probabilistic hallucinations. The primary achievement of this architecture is the mechanical grounding of SIEM logs within a Zero-Trust Knowledge Graph (Neo4j). By utilizing OCSF normalization and a LangGraph Swarm, the system compresses the Mean Time To Detect (MTTD) for complex threats from days to sub-minute resolution, algorithmically rejecting over 90% of false-positive noise before human escalation. [ARCHITECTURAL IP & LIABILITY NOTICE] This document is a redacted sample of a Master Engineering Blueprint. It is intended exclusively for demonstrating architectural methodology and strategic framework design. It does not constitute a completed engineering source of truth for any third-party production environment. All proprietary frameworks and "Zero-Trust Fail-Safe" methodologies contained herein are the exclusive intellectual property of Łukasz Bazan. As a Fractional Architect, I provide the "Engineering Brain." I do not perform direct application coding. Any attempt to implement these patterns by internal teams is done at the Client’s own risk.
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112
Data Engineer(4)
Security Engineer(3)
Systems Engineer(2)
ML Engineer(1)
Pavlo Krasnytsia's avatar
Pavlo Krasnytsia
Lviv, 79000
Tech Leader | AI, Blockchain & Technology Architect
7
Followers
Tech Leader | AI, Blockchain & Technology Architect
Cover image for Built a secure key management
Built a secure key management and programmable policy platform for Web3 infrastructure, enabling teams to enforce transaction rules, automate approval logic, and protect sensitive signing workflows using hardware-backed controls. This project signals senior-level expertise in security architecture, backend systems, and blockchain operations.
1
215
Cover image for Created a real-time blockchain data
Created a real-time blockchain data platform that streams on-chain data into developer and analytics workflows with low-latency pipelines, indexing, and database delivery. This project showcases strong full-stack architecture, data engineering, and blockchain infrastructure capabilities for modern financial applications.
1
203
Cover image for Developed a real-time on-chain threat
Developed a real-time on-chain threat detection platform that monitors smart contracts, wallets, governance actions, and protocol activity to surface emerging attacks before damage occurs. This project demonstrates strong blockchain security engineering, alerting architecture, and production-grade risk monitoring at scale.
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154
Cover image for Developed AI-powered semantic search systems
Developed AI-powered semantic search systems using Weaviate as the core vector database. Designed hybrid search (keyword + vector) architecture and integrated large language models for contextual retrieval and summarization. Optimized schema design, embedding pipelines, and indexing strategies to support large-scale document corpora and conversational AI systems.
1
135
Security Engineer(2)
Systems Engineer(1)
ML Engineer(1)
Data Engineer(1)
PADMANAVA PARUI's avatar
PADMANAVA PARUI
Bengaluru, India
Full-Stack Dev | React, Node & FastAPI | Fixing bugs fast.
New to Contra
Full-Stack Dev | React, Node & FastAPI | Fixing bugs fast.
Cover image for Autonomous Task Orchestration & Power
Autonomous Task Orchestration & Power Grid Simulation Engine:
0
72
Cover image for Economic Intelligence Dashboard: Predictive Modeling
Economic Intelligence Dashboard: Predictive Modeling & Real-Time Visualization: Architected a high-fidelity full-stack platform designed to aggregate and visualize macroeconomic indicators from the World Bank Open Data API. This project combines live data orchestration with machine learning to provide predictive insights into global GDP, inflation, and labor trends. Technical Deep-Dive: Data Pipeline: Engineered a Python/Flask backend to normalize and serve real-time macroeconomic data, ensuring consistent data structures across diverse international sources. Predictive Analytics: Implemented a regression-based forecasting tool that utilizes historical time-series data to project future GDP growth with interactive user-input variables. Geospatial & Statistical UI: Developed a responsive frontend using React and Leaflet.js, featuring dynamic map hotspots and complex statistical overlays using Plotly. Insight-Driven Design: Optimized the platform for data storytelling, allowing users to reveal hidden correlations between variables like inflation and unemployment through interactive scatter plots.
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50
Cover image for B2B (Bike Sharing) Demand Forecasting
B2B (Bike Sharing) Demand Forecasting & Seasonality Engine
0
82
Cover image for Enterprise News Aggregator: Clean Architecture
Enterprise News Aggregator: Clean Architecture & State Orchestration: Architected a production-ready news aggregation platform using Flutter and Dart, centered on strict Clean Architecture principles and the MVVM pattern. This project serves as a blueprint for scalable, decoupled application design, featuring an event-driven state management system (BLoC). Technical Deep-Dive: State Orchestration: Leveraged the BLoC pattern to handle complex UI states, ensuring a strictly reactive and predictable data flow. Scalable Architecture: Implemented a decoupled Data Layer with the Repository Pattern, allowing for seamless swapping of data sources (e.g., GNews, NewsData) without affecting business logic. Advanced Networking: Engineered a robust networking layer using Dio, featuring custom interceptors for error logging and automated retry logic. Optimized UX: Developed a "Smart Search" functionality with debouncing to minimize API overhead and improve client-side performance.
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57
Backend Engineer(1)
Systems Engineer(1)
ML Engineer(1)
Data Engineer(1)
Raymond Asogwa's avatar
Raymond Asogwa
proCyprus
Ship your SaaS MVP in weeks - web, mobile, payments.
$25k+
Earned
14x
Hired
4.9
Rating
103
Followers
BOLT_EXPERT

Expert

BOLT_MENTOR_EXPERT

Mentor

+1
Ship your SaaS MVP in weeks - web, mobile, payments.
Cover image for Introducing Realm - Your *full-stack
Introducing Realm - Your *full-stack Saas Template* for launching your next software product in a day. Available on Contra: Check it out (https://contra.com/products/c7HPzB4W-realm-convex-tan-stack-saa-s-starter) Realm gives you all the plumbing you need so you can focus on your core product feature. It comes with: ✅ Better-auth - Authentication with Org, Member, Roles, Permissions and Invitation. ✅ Convex - Real-time backend with database, file storage . ✅ Stripe and Polar - Payment with lifecycle management for subscription - Choose your preference. ✅ Autosend - Transactional and Marketing email with email templates and webhook setup. ✅ S3 Seam - File storage for private or public file upload to any S3 storage provider of choice - S3, R2, Tigris, etc. ✅ Tanstack Start - Modern web framework - Optimized for Speed, SEO and perfomance. ✅ Dinachi UI - Prebuilt 40+ accessible React UI Component. Live demo at: https://dub.sh/realm-launch
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10
463
Cover image for Unexposed – The Document Vault That Can't See Your Documents
Unexposed – The Document Vault That Can't See Your Documents
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32
Cover image for Stripe Subscription Integration for Agencies and Vendors
Stripe Subscription Integration for Agencies and Vendors
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46
Cover image for Togethr – Turn Community Voice into Product Momentum
Togethr – Turn Community Voice into Product Momentum
0
141
Backend Engineer(2)
Security Engineer(1)
UX Engineer(1)
Devowise Studios's avatar
Devowise Studios
proPakistan
Web Design Studio | Brand Identity | Framer & AI Solutions
$5k+
Earned
4x
Hired
5.0
Rating
128
Followers
FRAMER_EXPERT

expert

ANYTHING_EXPERT

Expert

+4
Web Design Studio | Brand Identity | Framer & AI Solutions
Cover image for Epos Now - Azure-Powered Data Engineering Pipeline
Epos Now - Azure-Powered Data Engineering Pipeline
2
35
Cover image for Qlik Sense BI Solution Development for Interactive Analytics
Qlik Sense BI Solution Development for Interactive Analytics
1
10
Cover image for Scalable Azure Data Engineering Solution Implementation
Scalable Azure Data Engineering Solution Implementation
2
19
Cover image for BatchQ Real-Time AI Data Pipeline Automation
BatchQ Real-Time AI Data Pipeline Automation
1
12
Data Engineer(5)
ML Engineer(3)
Backend Engineer(2)