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Alex Demin

@alexdemin

I lead full-stack teams building TypeScript, Node.js, Web3, and DevOps platforms.

Russian Federation
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What I'm looking for

I'm looking for challenging full-stack and technical leadership work where I can build complex TypeScript platforms, improve engineering practices, explore new domains, and help teams grow.

I've led full-stack engineering teams at Network Group, Equilibrium | EQ finance, EPAM Systems, and Qoden Technologies, delivering products across e-commerce, finance, Web3, and developer platforms. At Network Group, I led authentication, CI, monorepo, deployment, and process improvements that reduced pull-request review time to an average of one day or less.

I've built Nest.js and TypeScript backends, React and Next.js applications, browser extensions, DeFi integrations, and blockchain-powered products including Slender and Marginly. I enjoy tackling challenging problems, learning new technologies and domains, and helping engineers grow through documentation, 1-on-1s, learning plans, and technical screencasts.

Experience

Work history, roles, and key accomplishments

Network Group logoNG

Lead Software Engineer

Jul 2024 - Jul 2026 (2 years)

Worked with an international team of six full-stack developers, one QA engineer, and two managers on multiple projects, including fivemods.io. Conducted a comprehensive audit of team processes and codebase, documenting findings and delivering a phased improvement roadmap.

Led several high-impact technical initiatives:
• Designed and delivered a unified Telegram + Discord authentication protocol e

Equilibrium | EQ finance logoEF

Lead Software Engineer

Jul 2023 - Jun 2024 (11 months)

I leaded an open source DeFi project named Slender, which is available at https://github.com/bouvens/slender-ui with an online demo that is fully functional https://slender.fi. Stellar Community Fund supported this project. The project utilizes Freighter wallet authentication. I personally wrote interaction with Soroban smart contracts and other things. You can check this out by git history.

Ther

EPAM Systems logoES

Full Stack Engineer

Oct 2020 - Jul 2022 (1 year 9 months)

I was working remotely on a full-time basis in an international team that comprised 4 full stack developers including me, 2 QA, and 1 PM. The project is related to organizing programming challenges and conducting them.

During my work I:
• made up an architecture of a sub-system for scheduling backend routines from basic vision and requirements and then developed it, it was done with about seven s

EPAM Systems logoES

Lead Software Engineer

Aug 2019 - Sep 2020 (1 year 1 month)

I was working as a lead in my international team of up to 5 FE developers and a key developer in the project of e-commerce websites. We were working on several big e-commerce websites for customers' European brands.

During my work I:
• was writing unit tests from scratch and set a base for it,
• wrote technical tutorials and improved documentation related to unit tests, development troubleshootin

Qoden Technologies LLC logoQL

Lead Frontend Engineer

May 2018 - Jun 2019 (1 year 1 month)

I developed frontend for cryptocurrency exchanges remotely, leading teams of up to 4 developers.

During my work I:
• made estimations for current work and high-level estimations for new projects,
• clarified requirements with customers and made improvement proposals,
• delegated tasks to team members, including myself,
• participated in architecture development,
• participated in job interviews,

Sberbank-Technology logoSB

Senior Frontend Engineer

Jul 2017 - Apr 2018 (9 months)

Besides my previous position responsibilities, I also:

• updated specifications of the project
• worked with business requirements with the PO
• decomposed and estimated tasks
• participated in job interviews.

That was an office job, and I also mentored some of my colleagues.

Sberbank-Technology logoSB

Middle Frontend Engineer

Aug 2016 - Jun 2017 (10 months)

I performed frontend development of interfaces for natural persons for the largest bank in Russia. The service has a micro-modular frontend architecture.

During my work I:
• supported old and developed new modules before production and after
• delivered features for complex validation and field display logic in long forms
• wrote unit tests
• optimized performance
• reviewed code.

Technologies:

Education

Degrees, certifications, and relevant coursework

OO

Omsk State University (OSU)

Master's degree, Post graduate student, Physics

2004 - 2013

Omsk State University logoOU

Omsk State University

Master's degree, Physics

2004 - 2013

Pursued postgraduate studies in Physics at Omsk State University from 2004 to 2013.

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