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I build production-ready mobile applications for iOS and Android using Flutter, Firebase, REST APIs, BLoC/Cubit, and clean architecture principles. What sets me apart is my QA background. I don’t just build features, I validate user flows, investigate edge cases, reproduce bugs, and help ensure every release is stable before it reaches users. This combination of development and testing experience helps me deliver reliable, polished mobile applications with fewer issues after launch. I’ve worked on mobile applications across multiple industries, including logistics & transportation, renewable energy platforms, service marketplaces, and business productivity tools. My development expertise includes: ✅ Flutter App Development ✅ Firebase Integration ✅ REST API Integration ✅ BLoC / Cubit State Management ✅ Clean Architecture ✅ Performance Optimization ✅ Bug Fixing & Feature Development ✅ App Store & Google Play Releases My QA expertise includes: ✅ Mobile App Testing ✅ Functional & Regression Testing ✅ UX & User Flow Validation ✅ Edge Case Testing ✅ Detailed Bug Reports with Screenshots & Videos Whether you need a Flutter developer to build a new application, improve an existing product, fix complex issues, or perform thorough testing before release, I can help deliver a stable, high-quality mobile experience.

I’m a Software/AI & VPS Engineer, I can fix anything with zero mistakes n build everythings easily n fastest, i got unlimited Codex token, love to do things OpenClaw, Blockchain, Pipeline, flutter, flutterflow, build tools, Internal tools, Modules, Bot, Mod, sys Linux n i can copy any site 100% match quick n easy n i strong in backend and full-stack systems and build Web apps, Mobile Apps, Desktop Apps, Rust/Tauri, Electron, Browser Extension n trading system, n strong Web3 edge (EVM, Stellar & Solana). I turn ambiguous ideas into secure, reliable, human-centered products using TypeScript/JavaScript, React/Next.js, Node.js/Nest, Go, Python, Solidity, Rust (Anchor), and modern infra. I care about clean architecture, measurable impact, and great developer experience (DX) also so features ship fast and safe, also love building an Apps & AI things. for the security side, I bring pentest/audit mindset to every build: threat modeling, fuzzing & invariants, automated checks in CI, and clear, actionable reports. I also provide English technical translation/localization for whitepapers, docs, and UI strings. Languages: TypeScript/JavaScript, Vue, Go, Python, Solidity, Rust (Anchor), Php, Ruby, C & C++ Frontend: React, Next.js, Tailwind, Radix/shadcn, Vite, SSR/SSG/ISR, Flutter Backend: Node.js (Nest/Express/Fastify), Go (Gin/Fiber), GraphQL, REST, gRPC, WebSockets Web3: Solidity, Rust/Anchor, Hardhat, Foundry, OpenZeppelin, viem/wagmi, ethers.js, WalletConnect v2, Safe, The Graph, IPFS Testing: Jest/Vitest, Playwright, Supertest, Foundry (fuzz/invariants), Slither, Echidna Data: PostgreSQL, MySQL, SQLite, Prisma/TypeORM/Knex, Redis DevOps: Docker, GitHub Actions, basic K8s, AWS/GCP basics, Sentry, OpenTelemetry, Tenderly, OpenZeppelin Defender Security: OWASP ASVS/API, RBAC/ABAC, token design, key/secret rotation, rate limiting & anomaly detection, audit reports DeFi staking: with upgradeable proxies storage-safe upgrades, 0 criticals in audit NFT marketplace royalty splits, subgraph indexing, gas-optimized listings Solana program PDA-secured escrow with CPI, wallet-adapter UX, >95% test coverage Payments & off-chain settlement Webhooks + queues, idempotent APIs, chargeback handling Security engagement BOLA/IDOR class bugs identified; implemented header-precedence fixes & authZ binding

I specialize in designing print-ready 3D models for FDM and resin 3D printing. I work daily in Fusion 360, use my own Bambu printers to test and validate designs when needed, and publish my own tested models on MakerWorld. This gives me a practical understanding of real printing constraints such as tolerances, wall thickness, print orientation, overhangs, part splitting, material behavior, and assembly fit, while helping me catch and fix potential issues early. I have strong experience designing practical assembly features such as snap-fits, press-fit connections, printable threads, screw bosses, standoffs, dovetails, slide-fit mechanisms, modular inserts, and multi-part designs that are made to print and assemble reliably. You can see examples of my print-ready design work through my MakerWorld page link, which is available in my portfolio below. Core services: - Product concepts and functional prototypes - Electronics enclosures and PCB/battery housings - Holders, mounts, organizers, accessories, and small product housings - Miniature designs, scale models, and simplified printable replicas - Snap-fit, press-fit, threaded, and modular assemblies - Modular product systems and interchangeable parts - STL/STEP modification and printability optimization - 3D models from sketches, images, PDFs, or rough ideas - Slicer-ready 3MF files, print orientation, and part splitting - Text, logo, cutout, and surface-detail edits I focus on reliable prints, practical assembly, and clear communication. If you want to take your ideas from concept to reliable 3D prints/CAD models, let’s talk!

🏆 Rising Talent 3D Artist | Blender Specialist | Creating Photorealistic Product Renders, 3D Animations, Character Rigging, Low & High Poly Game Assets, 3D Printable Models, and Architectural Visualizations for brands, startups, game developers, and creative businesses worldwide. I’m Saskia Iffatul, a 3D Artist & Animator with over 2 years of experience in Blender 3D and an animation education background from an art school in Indonesia. I have successfully completed 50+ projects across advertising, gaming, e-commerce, animation, architecture, industrial visualization, and 3D printing industries. Although I’m new to Upwork, I’m not new to the 3D industry. I have worked on multiple projects outside the platform and successfully completed my first Upwork project with a 100% Job Success Score. As a growing freelancer on Upwork, I put extra attention into every project because I’m focused on building a long-term professional reputation through high-quality work, strong communication, and reliable service. My goal is not simply to complete tasks, but to help clients create visuals that are both technically accurate and commercially impactful. I focus on clean topology, realistic materials, cinematic lighting, optimized workflows, and production-ready assets suitable for rendering, game engines, advertising, and 3D printing. ⚡ SERVICES I PROVIDE 🛍️ Product Rendering & Advertising • Photorealistic product visualization • 3D commercial ads & social media renders • Packaging mockups & branding compositions • White background renders for e-commerce • Product visuals for startup pitch decks & presentations 🎮 Game Asset Creation • Low-poly game-ready assets • High-poly hero assets & sculpting • Stylized and realistic asset packs • Modular environments, props, vehicles & sci-fi assets • Hard surface modeling — weapons, mechs, gadgets & vehicles • Organic modeling — characters, creatures & environments • PBR texturing workflow • Clean UV unwrapping & optimized texture usage • FBX/OBJ/GLTF export ready for Unity, Unreal, Godot, and other engines 🎬 3D Animation • Product spin animations • 360° showcase animations • Cinematic product presentations • Loop animations for ads & social media content 🦴 Character & Asset Rigging • Character rigging • Shape keys & facial setup • Mechanical/prop rigging 🖨️ 3D Printing Models • Print-ready STL/OBJ files • Manifold & watertight topology • Miniatures, action figures & functional parts • Optimized for FDM & resin printing workflows • Articulated print-in-place designs ⚙️ Hard Surface & Technical Modeling • Mechanical parts & industrial product modeling • CAD conversion & clean retopology • Exploded view & technical illustrations • Animation-ready hard surface setups • Engineering visualization & technical presentations 🏠 Architectural Visualization • Photorealistic interior & exterior rendering • Walkthrough animations • 360° panorama visualization • Cinematic lighting & material studies 🛠️ SOFTWARE & WORKFLOW Blender (Cycles & Eevee) • CorelDRAW • Adobe After Effects • AI-assisted workflow for faster concept exploration and iteration. 💎 WHY CLIENTS WORK WITH ME ✅ Rising Talent 3D Artist with 100% Job Success ✅ Successfully completed 50+ projects across multiple industries ✅ Competitive pricing with professional-quality results ✅ More attention to detail and personalized project care ✅ Fast communication & regular progress updates ✅ Flexible with feedback and revisions ✅ Clean & optimized topology for rendering, games, and 3D printing ✅ 4K–16K high-resolution rendering capability ✅ Experienced in workflows from low-poly assets to AAA-quality models ✅ Focused on building long-term client relationships, not just completing one project I believe strong work quality, consistency, professionalism, and real production experience matter more than simply the number of completed jobs shown on a profile. When clients work with me, they receive dedication, reliability, and a genuine commitment to delivering the best possible result. 🎯 CLIENTS I WORK WITH E-commerce brands • Amazon & Shopify sellers • Indie & studio game developers • Animation studios • Advertising agencies • Product startups • Industrial designers • 3D printing businesses • Architects & interior designers • Prototype creators • Engineering companies 📩 LET’S BUILD SOMETHING AMAZING Feel free to send your brief, sketches, storyboard, concept art, reference images, or even simple phone photos — I’ll respond with a clear workflow plan, timeline, and pricing estimate. If you’re looking for a 3D Artist who understands both technical precision and commercial-quality visuals — from product renders and animations to game assets and 3D printable models — I’d love to discuss your project.

I am a 3D Modeler & Sculptor specializing in production-ready models for 3D printing, CNC carving, and manufacturing workflows. I create figurines, collectibles, props, decorative pieces, CNC ornamental carvings, reliefs, and foam-cutting models optimized for real-world production. My focus is on clean geometry, functional topology, and properly prepared files that are ready for resin printing, FDM printing, CNC machining, or foam cutting. Services I provide: Production-ready STL/OBJ models 3D printable figurines, props, and decorative models CNC-ready reliefs, carvings, and ornamental patterns Foam-ready machining models Clean topology and watertight geometry Proper scaling and print/manufacturing optimization Detailed sculpting when required I can work from sketches, reference images, concepts, or technical requirements and adapt to both stylized and realistic designs. My goal is to deliver models that are visually strong, technically clean, and reliable for production.

🌟 PEC certified Polymer Engineer 🔬 Developed of 500+ Polymer Formulations 💼 Secured $100,000 in USA Funding for Product Development! I am a certified Polymer Engineer accredited by the Pakistan Engineering Council, offering a wealth of expertise cultivated over 5 years in the realm of research and development. For the past 2 years, I have made significant contributions to a prestigious polymer industry in Pakistan, demonstrating a commitment to excellence and innovation. - Published groundbreaking paper on jute-hemp/epoxy hybrid composites in *Journals of Natural Fibres* (April 2022) - Led a transformative 20 million PKR project on advanced electrospinning machine design - Focused on industrial application development for electrospinning technology ➤ I deal in various formulations related to the polymer industry, including hot melts, fibers, films, and sheets. ➤ In construction chemicals: tile bond, cornice adhesive, GP thinner, epoxy flooring, tile grout, and pure acrylic. ➤ In polymer masterbatches: flame retardants, flow promoters, additive packs, and pigments. ➤ In paint and coatings: water-based paints, road marking paints, oil-based paints, epoxy paints, and garden pipes. ➤ I also work with multiple other applications like cosmetics, adhesives, and polymer composites. I'm good at dealing with these topics; ➤ Polymer Processing: Machine and Mold Design, Films and Fibres Production ➤ Polymer Composite (light weigth composite material, Carbon nanotube flled composites) ➤ Polymer synthesis: Bulk, Solution, Suspension, Emulsion, and Precipitation ➤ Polymer Reaction Engineering: Addition, Condensation, Free Radical, RAFT, ATRP ➤ Polymer Chemistry: Polymer Kinetics, Reaction Balance Theories, Output Optimisation. ➤ Biopolymers: Biodegradable Packaging, Antibacterial Polymers, Bio Engg. ➤ Polymeric Membranes: RO, MF, UF, and PDMSO Membranes, Filteration Process ➤ Polymer 3D Printing: PLA, ABS, GPET Filament Formulations, Hot-Melt Formulations ➤ Polymer Additives: Masterbatches, Polymeric Product Formulations, Optimisation Research & Development Services I can assist you in designing, analysing, interpreting, and concluding the following test results: ➤ Scanning Electron Microscopy (SEM): TEM, FE-SEM, AFM, Optical Microscopy ➤ Other Specroscopy Techniques:  ATR-FTIR, UV Visible, EDX, XRD, XPS ➤ Chromatographic Techniques: GPC, GC-MS, HPLC ➤ Particle Analysis: Zeta Sizer, Zeta Potential, DLS ➤ Polymer Mechanics: Tensile, 3-Point Bend, Peel, Compression, Fatigue, Impact ➤ Thermal Testing: DSC, TGA, TMA, DMA ➤ Fire Retardancy: UL-94, Limiting Oxygen Index ➤ Antibacterial : Agar Test, In-vivo, In-vitroOthers : Electrochemical Impedance Spectroscopy, ➤ Product Developments ➤ Polymer Rheology ➤ Polymer Processing ➤ Injustion molding troubleshoot ➤ Paint industry troubleshooting ➤ Rubber industry troubleshoots To move forward, the best next step would be to meet up on video to chat more about the project and see if we're a fit. Just message me below and we'll get it set up!