Product thinking before implementation
Translate unclear goals into product decisions, delivery plans, and technical tradeoffs before code becomes expensive.
Available for senior engineering and founder-led delivery
Stefan Popov
Software Development Engineer & Technical Founder
I build production-grade digital products across interfaces, infrastructure, AI, and decentralized systems.
8+ years of engineering experience across web platforms, front-end architecture, product delivery, and technical leadership. I build systems end-to-end, form engineering processes, lead teams, and help startups move from idea to production.
BUILD CORESSR / AI / WEB3
8+years engineering experience
0 -> 1front-end department built from scratch
FounderDeSource Labs
Web3 / AIinfrastructure delivery
Globalproduction systems across international teams
01Mission
Turning ambiguity into production software.
I work across product, architecture, interface, infrastructure, and delivery. My focus is not a single framework or programming language, but the ability to understand the problem, choose the right technical path, build fast, and leave the product stronger than I found it.
Architecture that survives growth
Design systems, workflows, and infrastructure with enough structure to scale without slowing early execution.
Interfaces that feel precise and human
Build interaction layers that are fast, accessible, coherent, and grounded in how people actually work.
02Selected Work
Production modules with real delivery pressure.
Selected builds and systems delivered across DeSource Labs and previous engineering work.
DeliveredVocal Fun
Vocal Fun Launchpad
End-to-end launchpad for AI voice agent tokens, handling real-time trading and wallet integration.
DeliveredMiniVerse
MiniVerse Hub
Cross-chain hub connecting mini DApps, games, and blockchain networks in one unified interface.
DeliveredTrait
NFT Marketplace
Full-stack NFT marketplace trusted by collectors, featuring sub-second load times and seamless UX.
LiveMem0
Mem0 Browser Extension
AI-powered browser extension upgrades with MCP integration and enhanced UX for productivity.
Live
Phone Mask Library
Ultra-lightweight open-source library for phone number formatting, supporting all countries with zero dependencies.
Live
Alljoined Website
Brand identity and web presence for a next-generation AI platform, built for scale.
Delivered
MiniVerse Website
Web presence for a metaverse platform, designed to showcase mini DApps and drive adoption.
03Expertise
From interface precision to system architecture.
Practical layers of production delivery: UI systems, product execution, AI features, decentralized infrastructure, and engineering leadership.
Front-end Architecture
Vue, Nuxt, TypeScript, design systems, scalable component architecture, SSR, performance, accessibility, and developer experience.
Product Engineering
Turning product requirements into roadmaps, implementation plans, milestones, and production releases.
AI & MCP Integrations
AI-based solutions, MCP development, browser extension workflows, model integrations, and agent-oriented product features.
Blockchain & Web3 Systems
DEXes, dApps, wallet integrations, cross-chain systems, launchpads, token-gated experiences, and blockchain-oriented product interfaces.
Back-end & Infrastructure
Node.js, Rust-oriented architecture, APIs, scalable infrastructure, CI/CD, deployment, monitoring, and production optimization.
Technical Leadership
Department formation, engineering processes, roadmapping, mentorship, code review standards, knowledge-sharing, and cross-functional coordination.
04Experience
Career pipeline from engineer to department builder.
January 2025 - Present
Founder & Builder
DeSource Labs- Founded and lead DeSource Labs, delivering custom software across Web3, AI, decentralized infrastructure, and modern web platforms.
- Work with startups and technology companies on architecture, product planning, front-end, back-end, blockchain integrations, and delivery.
- Coordinate multidisciplinary execution across engineering, design, and product work.
TypeScriptJavaScriptVue.jsNuxtReactRustNode.jsDockerKubernetesGitHubVercelAWSEthereumSolanaTONPolkadotSuiAI IntegrationsBlockchain EcosystemsBack-End ArchitectureModern InterfacesScalable Infrastructure
May 2024 - Present
Head of Front-end Development
Soramitsu- Lead front-end development across company products and initiatives.
- Created the front-end department from scratch and established its core structure.
- Designed and introduced front-end processes, engineering workflows, and quality standards.
- Organized internal meetups and company-wide knowledge-sharing sessions.
JavaScriptTypeScriptVue.jsNuxtViteHTML5CSSSCSS/LESSFigmaDesign SystemsFront-end ArchitectureEngineering ProcessesTeam LeadershipCross-functional CoordinationTechnical Strategy
January 2021 - May 2024
Front-end Team Leader
Soramitsu- Led front-end development activities for product teams and client-facing initiatives.
- Formed and promoted a common front-end technology stack.
- Mentored developers and supported their professional growth.
- Managed roadmap, task planning, and client expectations for decentralized exchange initiatives.
JavaScriptTypeScriptVue.jsNuxtViteHTML5CSSSCSS/LESSFigmaDesign SystemsMentorshipRoadmappingTask Planning
January 2020 - January 2021
Senior Front-end Developer
Soramitsu- Participated in multiple software projects across the company.
- Created a common design system for front-end products.
- Led migration of front-end projects toward a shared technology stack and unified design system.
JavaScriptTypeScriptVue.jsNuxtViteHTML5CSSSCSS/LESSFigmaDesign SystemsFront-end Architecture
June 2019 - January 2020
Senior Front-end Developer
Sitronics Telecom Solutions- Worked on front-end parts of two major partnership platform projects.
- Developed new functionality based on requirements from analysts and clients.
- Modernized front-end application architecture.
- Supported code quality, refactoring, CI/CD processes, code review, and delivery.
Angular 7TypeScriptJavaScriptHTML5CSSLESSJiraJenkins
February 2019 - August 2019
Software Development Engineer (Contract)
OWN.space- Participated in Natural Language Understanding tasks for a corporate client.
- Designed and implemented NLU algorithms delivered as Python microservices.
- Created a CI/CD-related compatibility tool.
- Built a single-page application to demonstrate microservice functionality.
Python 3.7FlaskPostgreSQLNLTKspaCySeleniumAngular 7TypeScriptLESS
May 2017 - August 2018
Software Development Engineer
CQG Inc- Implemented features and fixed UI/business logic issues.
- Developed integration and unit tests.
- Worked with systems related to automated order delivery for international commodity exchanges.
C#TypeScriptJavaScriptAngularCSS3LESSHTML5BootstrapAjaxREST APIjQueryASP.NET MVCEntity FrameworkASP.NET Razor.NET FrameworkLINQSQLJSONXMLYAML
05Need more than one engineer?
Founder-led delivery with a focused product team.
Through DeSource Labs, I can support projects not only as an individual engineer or technical leader, but also with a focused delivery team across UX/UI design, full-stack engineering, back-end architecture, blockchain engineering, and product-focused implementation.
Useful for startups and teams that need senior individual contribution, technical leadership, or broader founder-led delivery capacity.
UX/UI & Brand
Product-grade interface direction, visual systems, brand touchpoints, and design execution.
Front-end Engineering
Modern web apps, design systems, SSR, performance tuning, accessibility, and component architecture.
Back-end Architecture
APIs, service boundaries, data models, integrations, observability, and deployment-ready back-end systems.
Blockchain Engineering
Wallet flows, dApps, launchpads, cross-chain interfaces, smart-contract integration, and Web3 delivery.
AI & MCP Development
AI workflows, browser extension features, MCP integration, agent experiences, and productized model features.
Infrastructure & DevOps
CI/CD, cloud deployment, containerization, monitoring, release hygiene, and production optimization.
06Education
Academic foundation for engineering systems.
2021 - 2024
Samara State Aerospace University
- Qualification
- Postgraduate Degree
- Field
- Computer Science
- Grade
- 5.0
2018 - 2020
Innopolis University
- Qualification
- Master's Degree
- Field
- Software Engineering
- Grade
- 4.25
2014 - 2018
Samara State Aerospace University
- Qualification
- Bachelor's Degree
- Field
- Computer Science
- Grade
- 4.6
07Contact
Let's build something production-ready.
Available for senior engineering, technical leadership, consulting, and founder-led delivery engagements.
- hello@stefanpopov.dev
- Personal GitHub
- https://github.com/stefashkaa