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Aleksandr LepesiiAL
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Aleksandr Lepesii

@aleksandrlepesii

I build reliable LLM products from evaluation to production.

Czechia
Message

What I'm looking for

I'm looking for a forward-deployed, applied-AI, or solutions-architect role building reliable LLM products with customers. I want a fast-shipping team that treats reliability as measurable, and I'm open to remote work in APAC hours or relocation.

I build and operate LLM products end to end, including Vouch, a live multi-user resume-drafting product with a Telegram bot, FastAPI backend, and Vue 3 mini app. I hand-labeled a 342-claim dataset and improved its LLM-as-judge grounding accuracy from 88% to 94%, while raising grounding pass rates from 30% to 90%.

Across Sberbank, Samokat.tech/Ecom.tech, and my B2B ERP consultancy, I've led teams, built production platforms, and modernized delivery systems. My work has supported 19,500+ pickup points under a 99.5% SLA, cut release time from 10 days to 6 minutes, and scaled an ERP SaaS to 300+ B2B clients.

Experience

Work history, roles, and key accomplishments

SE
Current

Software Engineer

Self-employed

Nov 2025 - Present (10 months)

I provide end-to-end software engineering services for startups and growing businesses - from system design to production-ready implementation.

My expertise includes:
• Web development (Vue, React, Angular, TypeScript, Node.js)
• Backend engineering (Python/FastAPI, Go, PostgreSQL)
• DevOps & automation (Docker, CI/CD, GCP, Kubernetes)
• AI/ML integrations (LLM pipelines, on-device ML, GPT-based

Samokat.tech logoSA

Lead Frontend Engineer

Nov 2022 - Nov 2025 (3 years)

Samokat.tech (now Ecom.tech) | Remote | Nov 2022 – Present

Led the frontend development and launch of the Corporate Portal MVP, now the core internal platform for 10,000+ employees. The system consolidates org structure, events, news, knowledge base, booking, and workflows.

Key achievements:
• Architected and implemented core modules using a modular, component-driven approach (React + Feature-Sl

2mrw.tech logoMR

Founder / Technical Director

Sep 2021 - Aug 2023 (1 year 11 months)

Founded and led a B2B software consultancy focused on building tailored ERP and process automation tools for mid-sized construction companies.

• Built a modular ERP platform covering job site management, task boards, timelines, daily work reports, attendance tracking, document approvals, and mail-integrated notifications
• Delivered MVP in 2 months, scaled to 300+ B2B clients across Russia
• Led

Sberbank logoSB

Team Lead Frontend Engineer

Jun 2021 - Nov 2022 (1 year 5 months)

Led 5 product teams (~9 frontend + 3 backend engineers) building logistics and infrastructure products at Sber Logistics, serving 19,500+ pickup points and 13,000+ partners under a 99.5% SLA - starting from an unstructured state and building the process and reporting system around it.
Key results:
• Led the 3-engineer Python team that designed and built an OTP microservice - Python/FastAPI, Celery

DPD in Russia (Armadillo Business Parcel) logoDP

Frontend Developer

Jun 2020 - Jun 2021 (1 year)

Improved user and operational experiences at DPD, one of the largest parcel delivery services in Russia, serving both B2B and B2C clients.

Key contributions:
• Redesigned the core order form — reduced order creation time by 80% and increased new order volume by 28%
• Migrated a legacy Angular 1.5 monolith to a modern Vue.js architecture, reducing tech debt and improving maintainability
• Built se

DR

Frontend Developer

DPD in Russia

Jun 2020 - Jun 2021 (1 year)

Improved user and operational experiences at DPD, one of the largest parcel delivery services in Russia. Redesigned the core order form reducing order creation time by 80% and increasing new order volume by 28%, and migrated a legacy Angular 1.5 monolith to Vue.js.

f-revo logoFR

Full-stack Developer

Jan 2019 - Jul 2020 (1 year 6 months)

Worked with a national fitness club chain to modernize their digital presence and build tools for remote engagement, retention, and marketing performance.

Key contributions:
• Delivered 50+ responsive landing pages using WordPress, later migrated to a centralized Multisite architecture for better content management
• Built a Vue.js + Express.js SPA for members — enabled at-home workouts, meal pla

Delta Solution logoDS

Project Manager

Jun 2017 - Jan 2019 (1 year 7 months)

Managed distribution projects for server and data-centre hardware.
• Quanta Computers server equipment (ODM hardware used by hyperscalers)
• Open Compute Project (OCP) standard equipment
• Server components: HDDs, SSDs, GPUs
Ran delivery projects end to end, coordinating vendors and B2B clients. This was my last role before moving into software engineering full-time.

Education

Degrees, certifications, and relevant coursework

MC

Moscow Instrument Engineering College

Associate Degree, Information technology and telecomunications

RE

Russian State University of Trade and Economics

Bachelor's Degree, Information Technology and Telecommunications

2009 - 2013

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