I’m a developer available for contract work while completing my Master’s in Research in Quantum Computing. My work bridges the gap between cutting-edge research and practical applications, from building scalable quantum-hybrid pipelines to integrating AI into modern software systems. I also have hands-on experience building and modernizing websites for small and medium-sized businesses, as well as developing mobile applications for iOS and Android. Whether you need to develop a next-generation AI solution, explore quantum computing workflows, or bring your software vision to life, I can help. * Experienced with Python, C#, C, Rust, Java, Swift, SQL, and mobile app development (iOS/Android) * Skilled in software security, database architecture, and quantum-hybrid pipelines. * Full-cycle development — from design to deployment and maintenance. * Regular communication is important to me, so let's keep in touch.

Level up your design project A Product Designer with 9+ years of design experience. Passionate about aesthetics and the human mind, I use my skills in order to help people achieve their goals. UI/UX & Product Design The best-curated designs build long-lasting confidence and trust in your product and brand. That’s why I create cutting-edge design interfaces that are custom, engaging, and memorable. Web & SaaS Design I focus efforts on building results-driven development environments that are optimized, responsive, and scalable. This ensures your products will remain stable and relevant. Mobile App Design Native and cross-platform apps that are innovative, unique, & support end-user needs. Digital Marketing Design Custom-tailored marketing strategies that boost awareness, credibility, and revenue Branding Intelligent digital strategy and a pragmatic and thoughtful approach to solving business calls deliver a successful framework for both you and your audience.

Hi! I’m a Senior Full-Stack Engineer and Fractional CTO with over 10 years of experience building and scaling web applications, leading teams, and delivering high-quality software. I’ve worked across startups and established companies, building production systems end-to-end, from architecture to clean and reliable code. Since I’m new on Upwork, I’m offering discounted rates for my first clients. You get senior engineering quality at an accessible rate while I build my Upwork profile. What I can help you with: • Full-Stack Development – TypeScript – React / Next.js – Node.js – Serverless applications – API design and development • Backend Engineering – Authentication and permissions – Payments and billing systems – Microservices – Real-time features (WebSockets) – Database design and optimization • Cloud / DevOps – AWS (Lambda, S3, EC2, RDS, CloudFront) – CI/CD pipelines – Infrastructure as code – Monitoring and logging setups • CTO & Architecture Consulting – Product and technical roadmaps – System design and architecture – Code reviews and audits – Security best practices Why clients choose me: • Reliable, predictable delivery • Clear, consistent communication • Clean, scalable, well-structured code • Product thinking, not just coding • Calm, professional, and easy to work with Special offer for my first Upwork clients: A free 10-minute code or architecture review so you can see my approach before making a decision. Feel free to message me. I respond quickly.

I am a Data Scientist with over 8 years of experience in software development and data analysis. I specialize in transforming complex data into actionable insights that drive decision-making and enhance operational efficiency. My background in programming, scripting, and application support empowers me to tackle technical challenges with clarity and precision. I excel in identifying root causes, implementing practical solutions, and ensuring reliable workflows. My growing expertise in data science allows me to leverage analytical programming to support various initiatives, from monitoring systems to optimizing processes. I am committed to staying ahead of industry trends through continuous learning and hands-on projects. If you are looking for a detail-oriented professional who can unravel data challenges and deliver impactful solutions, let's connect and discuss how I can contribute to your success.

Whether you need a mobile app or custom software to run your business, I can help. I handle the entire process from planning how the app will work, to building the database, to launching the final product. ​What I do best: ​- Building mobile apps and web platforms ​- Creating custom software that helps businesses grow ​- Managing projects from start to finish

Experienced Software Engineer with a proven track record in the aerospace and medical device industries, as well as in mobile app development and business solutions. I specialize in creating robust, scalable software systems—whether for regulated environments or commercial applications. I bring a unique blend of deep technical expertise and business acumen, working with clients across various sectors including IoT, fintech, and marketing. My background includes R&D, Design Controls, and system-level integration, with a focus on interfacing with external systems and applying strong software architecture principles. Key Skills & Technologies: Languages: C, C++, Java, Kotlin, Swift, SwiftUI, Objective-C, Python Mobile Development: Android & iOS native apps, Cross platform Kotlin Multiplatform Systems Development: Embedded firmware for regulated industries Tools & Frameworks: Gradle, Git, design patterns, software partitions Industry Experience: Medical devices (FDA-regulated), Aerospace, IoT, Banking, Marketing Tech Whether you're looking to build a mobile app from the ground up, improve system architecture, or need a technically sound developer for a regulated project, I can help translate your vision into a functional, maintainable solution.

Hey! 👋 I’m Georgy, a Founding Creative Developer at nklnk.com. I develop, design, and optimize bespoke websites, e-commerce stores, and web apps that are clean, modern, and easy to scale and maintain. I combine my experience in design and coding with platforms like Webflow, Wized, and Shopify and cutting edge AI, to prototype > design > develop > test > deliver projects of all styles and complexities. Have something in mind? Get in touch! 🕊️ I’ve worked with both new and established businesses, helping startups get discovered and assisting existing brands in revamping their online presence for better performance and engagement. My past work includes launching e-commerce stores, developing marketing websites to drive traffic, and building complex platforms like property booking, membership, and video hosting sites to streamline operations and enhance user experience. My key strength? Attention to detail and the understanding that “low code” doesn’t mean “no code.” I have a deep technical knowledge of web development, including how each low-code tool works, what its limitations are, and how to push beyond them with custom code and best practices. Here’s how my typical project goes: ❇️ Briefing & Research – We discuss the brief, find references, and pick the tech stack. ❇️ Design (Figma) – For simple projects, this step can be done directly in Webflow. ❇️ M̶a̶g̶i̶c̶ Development ❇️ Revisions - async & collaborative communication via Markup, Slack, Loom ❇️ QA - testing on Windows, macOS, Android and iOS. ❇️ Final Steps – Google Console, domain setup, analytics, etc. ❇️ Delivery – Project handover, training calls and teaching materials. Please check out my past projects and glowing client testimonials below and if you have a project in mind, please get in touch (by clicking on the "..." and then selecting "Send a message"). Cheers, Georgy

I’m a New York City based software engineer and consultant. As an engineer, I’ve worked on the launch of a household name streaming service, put satellite internet on ships and airplanes, build video streaming educational platforms, developed web frontends for medical devices, and worked on iOS native video streaming applications. I’m also a Certified Scrum Developer, CSPO, CSM, LeSS-certified practitioner. I have successful experiences as a team manager, scrum master, and coach.

Engineer and creative mind with over 10 years of experience in software development. Very interested in creating appealing web and mobile solutions and developing fun out of the box alternatives to user needs. Enthusiast geek and tech lover, avid learner, great team player, and disciplined. When not working on amazing websites, I enjoy mentoring new freelancers during their first months on UpWork, making sure they go from cero to their first job as fast as possible.

I help businesses replace spreadsheets, outdated software, and manual processes with secure, modern custom applications. With more than 26 years of experience in software development and technology consulting, I design and build custom business software that improves efficiency, automates workflows, and gives organizations the tools they need to grow. Whether you’re starting with an idea, replacing a legacy system, or expanding an existing application, I can help turn your vision into a reliable, scalable solution. My primary expertise includes: * Custom Web Application Development * SaaS Application Development * Business Management Systems (CRM, ERP, HR, Scheduling, Billing) * Customer & Employee Portals * Workflow Automation * Payment Processing & Stripe Integrations * REST API Development & Third-Party Integrations * Database Design & Optimization * Legacy System Modernization * Cloud-Based Applications Technical Skills: * Angular * TypeScript * JavaScript * Node.js * Express * Parse Server * PostgreSQL * MySQL * SQL Server * REST APIs * Stripe * Docker * Git/GitHub * AWS * Microsoft Azure As President of SR2 Solutions, I’ve led software projects for businesses of all sizes, delivering solutions that are practical, maintainable, and built for long-term success. I combine strong technical skills with a deep understanding of business operations, allowing me to communicate effectively with both technical and non-technical stakeholders. One of my biggest differentiators is my cybersecurity background. With over 26 years of experience in information security and risk management, I develop software with security built in from day one. Authentication, authorization, secure APIs, data protection, and industry best practices are part of every project—not afterthoughts. Clients appreciate my clear communication, attention to detail, and commitment to delivering high-quality work on time. My goal isn’t simply to write code—it’s to build software that solves real business problems and provides lasting value. If you’re looking for a dependable developer who can take a project from concept to deployment while keeping security, scalability, and maintainability in mind, I’d love to discuss your project.