I’m a Senior AI Mobile Fintech Engineer specializing in building secure, scalable, and high-performance financial mobile applications that combine real-time transaction systems, AI-driven financial intelligence, and production-grade mobile architecture. I help fintech startups, digital banks, and financial SaaS companies design and build end-to-end mobile banking ecosystems where users can manage money, make payments, receive insights, and interact with AI-powered financial assistants in real time. My focus is not just mobile development - I build complete financial systems that handle money flow, risk, intelligence, and user experience at scale. 💳 What I Build (Fintech Mobile Systems) I design and develop next-generation fintech mobile applications including: ✔️ Digital banking apps (accounts, transfers, wallets, balances) ✔️ Peer-to-peer payment systems (instant transfers, QR payments, contact sync payments) ✔️ Multi-currency wallet platforms (FX conversion, global payments) ✔️ AI-powered financial assistants (spending insights, recommendations, predictions) ✔️ Lending & credit systems (risk scoring, eligibility engines, repayment tracking) ✔️ Investment tracking apps (portfolio analytics, market insights) ✔️ Subscription & billing fintech apps (Stripe, in-app payments, SaaS monetization) ✔️ Compliance-driven onboarding systems (KYC, AML, identity verification) 🤖 AI + Fintech Intelligence Layer I integrate AI directly into financial systems to make them adaptive and intelligent: ✔️ AI financial chat assistants (GPT-4o, Claude, Gemini) ✔️ RAG-based banking knowledge systems for support automation ✔️ AI-driven spending categorization & budget optimization ✔️ Fraud detection using anomaly detection models ✔️ Predictive cash flow forecasting engines ✔️ Personalized financial recommendations ✔️ Behavioral financial analysis systems ✔️ AI-powered onboarding and user guidance flows 👉 The goal is to turn fintech apps into self-learning financial platforms. 📱 Mobile Engineering Expertise I build high-performance mobile fintech apps with a focus on speed, reliability, and security: ✔️ React Native (Expo & bare workflow) ✔️ Flutter (high-performance UI systems) ✔️ Native iOS (Swift / SwiftUI) ✔️ Native Android (Kotlin / Jetpack Compose) ✔️ Offline-first mobile architecture ✔️ Real-time synchronization (WebSockets, Firebase, Supabase) ✔️ Push notification systems for financial events ✔️ Deep linking + secure session management ✔️ Cross-platform architecture optimization 🏦 Backend & Financial System Architecture I design backend systems that power real financial operations: ✔️ Node.js / NestJS microservices ✔️ Python (FastAPI) AI + fintech services ✔️ PostgreSQL / MySQL financial-grade databases ✔️ Redis caching for real-time performance ✔️ Event-driven architecture (Kafka, RabbitMQ) ✔️ Secure REST & GraphQL APIs ✔️ Cloud deployment (AWS, GCP, Azure) ✔️ Multi-tenant SaaS fintech architecture 🔐 Security & Compliance Engineering Fintech requires enterprise-level security — I implement: ✔️ AES-256 encryption for sensitive data ✔️ TLS-secured communication layers ✔️ Secure authentication (OAuth2, JWT, MFA) ✔️ Biometric login (Face ID / fingerprint) ✔️ OWASP Mobile Security compliance ✔️ Fraud detection & anomaly monitoring systems ✔️ Secure API gateway design ✔️ Session validation & device binding 📊 Key Fintech Use Cases I Deliver ✔️ Mobile digital banks ✔️ AI-powered finance assistants ✔️ Payment gateway mobile apps ✔️ Lending and credit scoring systems ✔️ Wealth management platforms ✔️ Crypto & multi-wallet systems ✔️ Financial SaaS dashboards ✔️ Embedded finance mobile solutions ⚙️ Core Tech Stack Mobile: React Native, Flutter, Swift, SwiftUI, Kotlin, Jetpack Compose AI: OpenAI, Claude, Gemini, LangChain, RAG pipelines Backend: Node.js, NestJS, FastAPI, Python Database: PostgreSQL, MySQL, Redis, MongoDB Cloud: AWS (Lambda, EC2, S3, RDS), GCP, Azure Realtime: WebSockets, Firebase, Supabase Payments: Stripe, PayPal, Plaid, Adyen DevOps: Docker, GitHub Actions, CI/CD pipelines 📈 How I Work I don’t just build apps — I build financial systems that scale with real users and real money flow. ✔️ Define financial logic before development ✔️ Build secure and scalable architecture first ✔️ Integrate AI for automation and intelligence ✔️ Optimize performance for real-time transactions ✔️ Deliver production-ready mobile systems 💬 Let’s Build If you're building: 💳 Fintech mobile app 🤖 AI financial assistant 🏦 Digital banking platform 📊 Investment or lending system 💰 Payment or wallet application I can help you build a secure, scalable, and AI-powered fintech product ready for production and growth. Mobile App Development Cross-Platform Mobile Development React Native Development Flutter Development iOS App Development (Swift / SwiftUI) Android App Development (Kotlin / Jetpack Compose) Mobile UI/UX Architecture Offline-first Mobile Applications Real-time Mobile Applications

Transforming Customer Inquiries into Brand Loyalty. Protecting Revenue & Retention. Hi, I'm Tazzel Faith! I am an experienced Customer Support Specialist dedicated to providing world-class helpdesk management for fast-growing e-commerce brands. I don't just answer tickets—I focus on building customer trust, boosting retention, and resolving friction before it impacts your bottom line. By combining empathetic, top-tier customer care with my specialized background in fraud prevention and chargeback mitigation, I help e-commerce store owners keep their customers happy and their merchant accounts safe. 🌟 How I Support Your E-commerce Business: Omnichannel Customer Care: Efficiently managing customer inquiries via email, live chat, and ticketing systems. I handle order tracking, refunds, returns, and complex billing concerns with zero friction. Subscription & Retention Management: Experienced in handling recurring revenue workflows using tools like Skio and Loop to retain subscribers and handle modifications smoothly. Proactive Dispute Prevention: I specialize in de-escalating frustrated customers and solving billing issues before they turn into expensive chargebacks, protecting your brand reputation. Chargeback & Fraud Management: Full end-to-end handling of payment disputes across Shopify, PayPal, and Klarna. I build tight, evidence-based packages to fight fraud and recover lost revenue. 🛠️ Tools & Helpdesk Expertise: CRMs & Helpdesks: Zendesk, Freshdesk, Klaviyo, Slack E-commerce & Subscriptions: Shopify, Skio, Loop Payment Gateways: PayPal, Klarna, Shopify Payments 📈 Key Metrics & Experience: High-Volume Capacity: Successfully managed 50+ customer support inquiries and dispute cases daily in fast-paced e-commerce environments. First-Contact Resolution: Proven track record of turning customer escalations into positive, 5-star experiences. Process-Oriented: Quick to adapt to your store's internal SOPs, brand voice, and guidelines. If you are looking for a reliable, detail-oriented support specialist who can seamlessly manage your inbox, delight your customers, and safeguard your profits, let’s talk! 📩 Click the "Message" or "Invite" button, and let's discuss how I can streamline your e-commerce support!

Experienced Swedish Accounting Consultant & Bookkeeper| Expert in VAT, Fortnox, Payroll, Year-end, e-Commerce Sales. As an accomplished Swedish accounting consultant and bookkeeper, I bring over seven years of expertise to the table, with a specialized focus on VAT, Fortnox, payroll, year-end processing, and e-commerce sales management. My commitment is to provide high-quality financial services, meticulously tailored to meet the diverse needs of clients across various sectors. What Sets Me Apart: ●VAT & Fortnox Mastery: Proficient in all aspects of VAT, including reconciliation, submissions, and declarations at Skatteverket, handling OSS VAT, and reporting across EU jurisdictions via Momsfinas. My adept use of Fortnox ensures streamlined and efficient bookkeeping. ●e-Commerce Expertise:Skilled with major e-commerce platforms like PayPal, Adyen, Shopify, Stripe, and Klarna, I expertly manage sales tracking and payment processing, ensuring seamless financial operations. ●Compliance & Accuracy: With a deep understanding of Swedish accounting standards and regulations, I ensure that all financial processes strictly comply with legal requirements, maintaining utmost accuracy. ●Meticulous Attention to Detail:*I thrive on ensuring precise reconciliation of bank and credit card accounts, meticulous tracking of customer and supplier payments, and diligent execution of month-end and year-end closings for flawless financial reporting. ●Exceptional Communication: My excellent communication skills allow me to demystify complex financial data for clients and stakeholders, fostering strong, trust-based relationships. ●Organizational Acumen: Highly organized and capable of juggling multiple tasks efficiently, I pride myself on meeting stringent deadlines, providing reliable and timely service. ●Collaborative Spirit: A fervent team player, I leverage my problem-solving skills to collaborate effectively with colleagues and stakeholders, ensuring top-notch results. ●Commitment to Professional Growth: I am passionate about continuous learning, consistently updating myself with the latest in accounting innovations, which empowers me to offer cutting-edge solutions to my clients. ●Balanced Professional Life: I balance my professional commitments with personal enrichment activities such as music, meditation, and yoga, which enhance my creativity and drive for excellence. I am eager to bring my expertise, professionalism, and unwavering dedication to your financial endeavors. Let's connect and explore how I can contribute to your success.

Graduated in 2005 as an attorney at UANL. I have 10 years of experience working on translations, transcriptions, proofreading, and customer service. Certified English - Spanish translator. Mystery Shopper coordinator in Mexico. I like to deliver outstanding work, which has helped me to maintain long-term relationships. I have worked with Kayako, Shopify, Asana, GEM, Zendesk, Trustpilot, Hootsuite, Adyen, Slack, etc.

Most fail before launch not because of bad ideas, but bad technical decisions made early. I help founders and product teams avoid that. 8+ years building MVPs, SaaS platforms, and mobile apps across fintech, healthcare, and marketplace I've seen what breaks and what ships. What I build: ✅ MVPs that validate your idea fast and are built to scale when you need to ✅ Cross-platform mobile apps (iOS & Android) with React Native ✅ SaaS platforms with solid architecture, auth, billing, and multi-tenancy ✅ Marketplace apps with listings, search, user roles, and payment flows ✅ Fintech products with payment integrations, transaction logic, and security in mind ✅ Healthcare platforms with HIPAA-aware architecture, patient data handling, and integrations with EHR systems and health APIs Some of my projects: ⭐ Healthcare(Client: AcuFlex) Built role-based clinician and researcher web dashboards for AcuFlex, an FDA-bound rehab platform with real-time joint mobility tracking, MFA, and audit logging. ⭐ SaaS & Analytics(Clinet: National Checking Company) Developed and maintained SaaS features for NCCO platform, including order management, product catalog, checkout flow, and backend APIs for inventory and customer processing. ⭐ Fintech(Client: Atlas Credit Company) Built a FinTech loan management system with online loan applications, borrower management, payment tracking, underwriting workflows, and reporting dashboards. ⭐ Marketplace(Client: WorkWhile) Built marketplace features including worker-job matching, listing & search system, booking flow, availability scheduling, and admin dashboard for managing users, jobs, and transactions. Technical Skills ⚡ Frontend: - React, Next.js, Redux Thunk, Apollo GraphQL, Web3 - Bootstrap, Ant Design, Material UI, Foundation, Materialize ⚡ Backend & Databases: - Node.js, Express.js, NestJS, GraphQL - MongoDB, PostgreSQL, MySQL ⚡ Hybrid / Cross-Platform: - React Native (Ignite, Expo) - Firebase, Supabase ⚡ Cloud / DevOps / Infrastructure: - AWS (EC2, S3, Lambda, API Gateway) - Docker, CI/CD pipelines - Cloudflare, Vercel ⚡ Languages: - JavaScript, TypeScript, ECMAScript Whether you're building a healthcare product or a fast-moving consumer app, I bring the same disciplined approach: solid architecture, clean code, and zero surprises. Ready to jump on a quick call to discuss your project.

Hello! My name is Nikolai. I offer more than just code. I offer a partnership to build and automate your business. I specialize in Low-Code development paired with strong backend engineering. While I use tools like FlutterFlow to build fast, I bring the "heavy artillery" of SQL, Cloud Infrastructure, and Neural Networks to ensure your application works perfectly under high load. My goal is simple: I cover the entire development cycle. You don't need to manage a team of backend devs, DevOps, and frontend specialists. I take your idea and deliver a finished, deployed product that is ready for your users. Why clients choose to work with me: Honesty & Transparency: I am open about what is possible and what isn't. No hidden costs or empty promises. Cross-disciplinary Approach: My diverse background allows me to see the "big picture" of your business, not just the technical tasks. Always Available: I know business doesn't stop on Friday. I am available 7 days a week to support you and keep the momentum going. MY TECHNICAL EXPERTISE: Advanced Mobile Development (FlutterFlow + Supabase) I build native apps that go beyond simple prototypes: Complex backend logic using SQL, Edge Functions, and Postgres extensions. Database architecture on Supabase (or MySQL/Postgres) designed for scale. Integration with native device features and high-load data processing. Automation & AI Agents (n8n, Airtable) I turn manual work into automated flows: Creating smart dashboards in Airtable (with custom JS scripting). Building complex workflows in n8n: agents, end-to-end data processing, conditional logic, and webhooks. DevOps & Cloud Infrastructure I don't rely only on standard cloud plans; I build the infrastructure your project needs: Deploying self-hosted solutions (n8n, Appsmith, Budibase, Authentik, Frappe Builder) via Docker. Cloud Management: Digital Ocean (Droplets, Buckets), Google Cloud (Cloud Run, API integration). Integrations: Connecting Email, Calendars, and Video via Nylas. I am constantly learning new technologies to solve your problems faster and cheaper. Let's have a chat. Write to me, and we will discuss how to bring your project to life. I prefer text-based and asynchronous communication via Jira/Trello/Slack for maximum efficiency

Looking for a developer who thinks like a CTO? High-performance systems aren't built by just writing code; they are built by solving business bottlenecks. Whether you are launching a multi-vendor marketplace, a custom ERP, or an AI-integrated SaaS, you need a system that is scalable, secure, and SEO-optimized from Day 1. With over 5 years of experience in high-performance software engineering, I specialize in the Laravel + React/Next.js stack—the gold standard for modern, enterprise-grade web applications. 2026 Specializations: Scalable Architecture: Building multi-tenant SaaS platforms using Laravel Octane & Swoole for lightning-fast performance. AI Integration: Seamlessly embedding OpenAI/Claude APIs into your workflow for automated data analysis and smart chatbots. Real-Time Systems: Developing live dashboards and tracking systems with WebSockets (Laravel Reverb/Echo). E-commerce & Marketplaces: Full-cycle development including vendor management, secure payouts (Stripe/Adyen), and advanced SEO. Why Top Companies Hire Me: Clean Code Policy: Strict adherence to SOLID principles and automated testing (Pest/PHPUnit). Communication: I treat your project as my own. Daily updates, clear documentation, and proactive problem-solving. Future-Proof Tech: Expertise in the latest Laravel 12 and React 19 features. Ready to scale? Click the 'Message' button, and let’s discuss your technical roadmap.

**Experienced Swedish Accountant | 10+ Years of Experience** Hi there! I'm Anil kumar a Swedish accountant with 10+ years of the experience. I'm skilled in the tasks link bank reconciliation, payment files, account payable, account receivable, bookkeeping, Microsoft office. Fortnox and Capego software, Data entry. My goal is to take the stress out of accounting so you can focus on growing your business. Services for Sweden clients 1. Accounting and Bookkeeping on Swedish accounting software Fortnox , Visma, Capego and more. 2. Bank Reconciliation 3. Credit card Reconciliation 4. Sales and Supplier invoices bookings. 5. Fixed assets register and reconciliations 6. Declare the Salary tax(AGI) and VAT (Moms) on skatteverket. 7. Weekly and daily basis supplier payments, payment fils and sending reminder to Customers. 8. Month end-closing activities and Reporting 9. Year end work (Financial statements such as Balance sheet, Profit and loss accounts, Annual report) on capego. 10. Microsoft office, Microsoft teams, Google spreadsheet etc. 11. Manage expainces on Pleo, Mynt etc. 12. Manage your all type of sales platform like PayPal, Stripe, Klarna, billogram, Adyen, Izettle etc.

I specialize in WordPress development with over three years of experience in crafting custom plugins, themes, and REST API integrations. I have successfully led a development team to deliver high-quality projects for UK clients, taking charge of the entire project lifecycle from scoping and architecture to production deployment. My expertise includes custom plugin development, WooCommerce, and payment gateway integrations such as Stripe and Adyen. I excel at performance optimization and technical SEO, ensuring that every project meets the highest standards. I pride myself on delivering maintainable, well-documented code while effectively communicating with clients and stakeholders. If you need a skilled developer who can bring your vision to life and lead a talented team, let's connect and discuss how I can help enhance your web presence.

🚀 Integration & Automation Specialist | API | Webhook | n8n | Make | Zapier | Airtable Your business tools should work *for* you, not the other way around. I design automations that remove manual work, connect platforms seamlessly, and scale with your growth. For 4+ years, I’ve helped startups, agencies, and established companies replace repetitive tasks with reliable, intelligent workflows. My systems save time, reduce costs, and make operations run like clockwork. ------------------------------------------------------------ 🔥 What I Deliver - Automated lead capture & enrichment that runs in real time - E-commerce & CRM syncs with Shopify, WooCommerce, Salesforce, HubSpot, and more - AI-powered flows that route, summarize, and respond automatically - Smart alerts, reporting, and dashboard syncing across tools - Seamless Zapier → n8n/Make migrations with advanced logic and no recurring fees ------------------------------------------------------------ 🧠 Why Work With Me - I don’t just connect apps, I engineer logic that scales - I build workflows that self-recover, handle edge cases, and adapt to growth - I move fast, communicate clearly, and deliver results that stick ------------------------------------------------------------ 🧩 Platforms I’ve Mastered E-Commerce & Payments: Shopify, WooCommerce, BigCommerce, Amazon SP, eBay, Mollie, Adyen, Klarna CRM & Marketing: HubSpot, Salesforce, Zoho, ActiveCampaign, Mailchimp, Intercom Ops & SaaS: Slack, Notion, Jira, Monday.com, Airtable, Confluence, Bitrix24 Finance & ERP: QuickBooks, Exact Online, Acumatica, Coupa, AFAS Cloud & Data: Snowflake, Cloudflare, Algolia, Azure Blob, Webflow, REST/GraphQL APIs AI & Next-Gen Workflows: OpenAI, Claude AI, Mistral, LangChain-style agent flows ------------------------------------------------------------ 🛠 Popular Automations I Build - Lead capture, qualification & enrichment in real time - CRM pipelines from form → lead → deal → closed-won (HubSpot, Zoho, Pipedrive) - Automated hiring workflows (screening, follow-ups, scheduling) - Sales & inventory syncing between storefronts (Shopify, WooCommerce, Amazon, eBay) and ERPs (QuickBooks, Exact, AFAS, Acumatica) - Smart alerts, reporting & dashboards that keep teams aligned - AI-powered bots & assistants that summarize, route, and respond on autopilot - Full Zapier → n8n/Make migrations with advanced logic, zero recurring fees - Data syncing & enrichment flows across CRMs, SaaS apps, and finance tools - Failover-ready workflows with retries, webhook chaining, and token refresh ------------------------------------------------------------ 💥 Let’s Build Something That Runs Itself You focus on growth, I’ll make sure your systems run smooth, fast, and reliable in the background. ⚡ Click Invite and let’s get started.