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I love to teach what I know. I think I can explain things easily with examples. I have been working as a Software Engineer for the last 5 years and have worked with some of the world's most reputed companies like **Open AI, Scale AI, Doloras Lab**, etc as a freelancer.
I am a seasoned mobile application developer with over 6+ years of expertise in mobile application development, I specialize in Flutter, Android and iOS native. My work focuses on crafting innovative, high-performance mobile applications that meet user and business needs while adhering to the highest quality standards. Core Competencies: • Advanced proficiency in Android Studio, Java, Dart, and the Flutter Framework. • Integration of SQLite, RESTful APIs, and extensive use of Firebase Services (Authentication, Realtime Database, Cloud Functions, FCM, Crashlytics, and more). • Skilled in Google Maps APIs (routes, navigation, and directions) and payment gateway integration such as Stripe. • Expertise in source control management with Git (GitHub, GitLab, Bitbucket) and automating workflows using CI/CD pipelines. • Deep understanding of the mobile app development lifecycle, architecture, and emerging trends. • Strong debugging and problem-solving skills to deliver error-free applications. Key Contributions: • Successfully collaborated with cross-functional teams, including designers and QA professionals, to deliver seamless and intuitive user experiences. • Ensured app responsiveness and performance through thorough testing and debugging before release. • Delivered scalable and maintainable applications by adhering to clean coding principles and best practices. • Proactively stayed ahead of mobile development trends to incorporate cutting-edge features into apps. Driven by a passion for technology and user-focused design, I excel at transforming ideas into impactful mobile solutions that enhance user satisfaction and business growth. My projects includes: (All the projects are available on app store also) https://play.google.com/store/apps/details?id=com.horizonix.quran https://play.google.com/store/apps/details?id=com.horizonix.game.notifier https://play.google.com/store/apps/details?id=com.cerashealth.imhomev2&hl=en&gl=US https://play.google.com/store/apps/details?id=com.fishverify&hl=en&gl=US https://play.google.com/store/apps/details?id=com.bagndash.bagndashapp https://play.google.com/store/apps/details?id=com.agentduty.app https://play.google.com/store/apps/details?id=com.matrix.essapp https://play.google.com/store/apps/details?id=com.matrix.satatyamv https://play.google.com/store/apps/details?id=com.matrixcomsec.acs https://play.google.com/store/apps/details?id=com.matrixcomsec.android.satatyasight https://play.google.com/store/apps/details?id=com.matrix.cosecmode https://play.google.com/store/apps/details?id=com.matrixcomsec.vms Flutter plugins - https://pub.dev/packages/emoji_selector https://pub.dev/packages/easy_debouncer https://pub.dev/packages/live_location https://github.com/Alfaizkhan/skeletons_plus GitHub - https://github.com/Alfaizkhan LinkedIn - https://www.linkedin.com/in/alfaizkhan
Software Engineer with 9.5+ years of experience in web development, backend development, and server architecture. Expertise in building and maintaining various web/backend solutions, from automobile websites to job portals to freelance platforms with live chat integration . Proficient in server architecture setup, deployment, and optimization. I will give a **full refund** if I am not able to help.
Currently residing in Philadelphia, PA
I'm an AI Systems Architect, Founder, and Full-Stack Engineer with over 10 years of experience designing and building scalable software products for startups and enterprises across the US, Europe, and Asia. I specialize in AI agents, Voice AI, LLM-powered applications, workflow automation, and modern cloud architectures. Over the years, I've helped businesses build production-ready platforms ranging from recruitment automation and conversational AI to CRM systems, logistics platforms, and enterprise SaaS applications. My expertise spans Python, Node.js, FastAPI, React, OpenAI, real-time AI, AWS, Docker, MongoDB, PostgreSQL, and enterprise integrations. Beyond writing code, I enjoy helping teams make sound architectural decisions, debug complex production issues, improve application performance, and turn ambitious product ideas into reliable, scalable systems. Outside of technology, I enjoy exploring new cuisines, traveling, and reading about business, technology, and emerging AI trends.
An accomplished and high-motivated IT professional with 6+ years experience of IT leadership involved in web development, application development and System & Solution Architecture. My main competency is in building rich client-side applications, on both sides back-end and front-end. I strongly believe in TDD as the only way to build a bullet-proof code that makes everyone happy and it allows me to rest at night. Reaching 100% test coverage is my passion. **SKILLS:** ✅ Specialities: Computer Engineering, Software Engineer, Web Development, Mobile development, Open Source ✅ Languages:Ruby(6 years), Javascript(4 years), Nodejs(1 year), Elixir(1 year) ✅ Backend Frameworks: Ruby On Rails(6 years), Phoenix(1 year) ✅ Frontend Frameworks: AngularJS(4 years), ReactJS(2 years) ✅ Relational database:Postgresql(6 years), MySQL(6 years) ✅ NoSql databases:Elasticsearch(4 years), Redis(3 years), MongoDB(3 years) ✅ Other technologies:Rabbitmq, Redux, Universal rendering, HTML, CSS, SCSS, BEM, Docker, AWS, Google Cloud Platform, Webpack, Git, Progressive web apps **LINKS:** https://github.com/mpospelov https://stackoverflow.com/users/2460416/mpospelov https://codementor.io/mpospelov https://www.upwork.com/o/profiles/users/_~0182077648cc549f21/ https://www.toptal.com/resume/mikhail-pospelov
I'm a skilled developer in a large number of different computer specialties. Can do everything from building and installing servers to programming in more languages than you probably knew exist.
- **20+ years of professional experience** - **16+ years on leading roles: CEO/CTO/VP R&D/Software Architect/Tech Lead/etc** - **15+ years with .NET / C#** - **10+ years with JavaScript** - **5+ years with NodeJS / TypeScript** Currently, I am a CTO / Chief Software Architect at the following large and popular open-source projects (built by my own IT agency https://ever.tech): - https://github.com/ever-works - https://github.com/ever-co My personal GitHub: https://github.com/evereq **My experience and skills** - Web, Mobile & Distributed Software development using .NET / .NET Core / ASP.NET MVC / ASP.NET Core / WebAPI / WCF, NodeJS / NestJs / NextJs, TypeScript and JavaScript (Angular, Vue, React, etc) - NoSQL & SQL DBs (MS SQL / MySQL / PostgreSQL / MongoDb / etc) - Kafka / RabbitMQ / MSMQ, ElasticSearch - AWS & Azure Clouds - DevOps (Docker, Kubernetes, Ansible, TeamCity, etc) - micro-services and serverless - Linux & Windows - Agile Team & Project Management, Scrum, and more! Currently also running my own agency with 20+ software engineers and designers. **Try me and you will not be disappointed 100%!**
Frontend-focused Full-Stack Developer with 6+ years of experience. Strong skills in React (TypeScript), Django (Python), Postgres, InfluxDB Passionate about intuitive UX, performance optimization, and leading initiatives and contributing to innovative start-ups. Self-taught with strong problem-solving skills, always exploring new web technologies to build scalable, high-quality applications.
Senior Software Engineer (10 years experience, ex-Fireblocks) With extensive blockchain expertise and distributed systems experience, I design sophisticated backend systems and AI platforms running in production—in environments where errors are costly: finance, crypto, legal, sensitive data. I help companies: - Reduce infrastructure costs: Cloud audit and optimization (50K$/year saved on AWS for one client), optimized processing pipelines (ingestion cost reduced 7x on latest project) - Build reliable distributed systems: Microservices, real-time high-throughput APIs, event-driven architecture (recent example: price aggregator connected to 10+ providers, latency cut in half) - Accelerate their teams: Architecture, boilerplates, and CI/CD reducing time-to-production (new service onboarding dropped from 2-3 days to 4 hours) - Leverage documents and data with AI: RAG assistants with verifiable citations, OCR and transcription at scale, POC-to-production transitions - Secure and harden existing systems: Server hardening, testing, race condition fixes on critical systems Recent references: Legal AI platform delivered solo end-to-end (65,000+ documents, cited responses in under 40 seconds); Fireblocks DeFi browser extension (lead developer, 2,000+ users, 5.0 on Chrome Web Store). Native French speaker, fluent English. 100% remote, European timezones. Stack: Python, TypeScript/Node.js, NestJS, FastAPI, Blockchain (Solidity, Web3.js, ethers.js), Microservices, RabbitMQ, Kafka, WebSockets, PostgreSQL, Redis, AWS, Docker, Kubernetes, RAG, LLM, Anthropic API (Claude), Qdrant, OCR.
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