01 / CORE
System analysis
From business intent to testable requirements and acceptance criteria.
- BPMN and UML
- Use Cases and User Stories
- Data models
- Non-functional requirements
Available for new engagements/remote · project
System analysis · integrations · digital products
I turn complex business challenges into working systems
I unpack complex processes, design contracts between systems and turn discovery into implementation-ready outcomes.
- Requirements
- Architecture
- Delivery
200+specifications
100+BPMN models
25+enterprise integrations
21portfolio projects
Capabilities
Working where product, process and technology meet
I join when a challenge is not yet an implementable solution: capture context, resolve contradictions and create a reliable delivery baseline.
02 / CONNECT
Integrations
Contracts, events, failures and retries across services.
03 / BUILD
Digital products
Web interfaces, automation and Telegram bots with clear product logic.
04 / DELIVER
Delivery support
Keep requirements connected to the product through engineering Q&A, change analysis, acceptance and decision updates.
Engineering mindset
Every solution should be traceable
I model more than the happy path: boundaries, failure modes, access rights, data and operational scenarios are part of the solution.
See the process01Business goalwhy the system changes
02User scenariowho does what
03System behaviordata, rules, integrations
04Acceptancehow the outcome is verified
100% traceability0 hidden assumptions
Selected cases
Solutions shown through context and outcomes
Three projects are documented in depth. The complete history of 21 projects remains in the catalog below.
CASE / 01
Enterprise · System analysis
Corporate systems and document flow
E-commerce, 1C and logistics integrations plus a digital document approval workflow.
Explore caseCASE / 02
Web · SEO · Analytics
Saunabani.ru
A product built from scratch with ongoing structure and search growth.
Explore caseCASE / 03
E-commerce · Integration
Integration landscape
Exchange contracts across catalog, inventory, accounting and delivery.
Explore caseFull portfolio
Every project remains in the portfolio
Featured cases show the depth of the work. This catalog preserves the complete project history and lets visitors filter it by specialization.
21 projects
Detailed case
Enterprise systems
Glavkosmos / Roscosmos
An online store integrated with 1C and delivery providers, plus an internal electronic document workflow.
Open caseDetailed case
Integrations
E-commerce integration landscape
Contracts and exchange scenarios connecting catalog, warehouse, accounting, delivery and customer accounts.
Open caseFeatured case
Web · SEO
Saunabani.ru
Website delivery from scratch, SEO and analytics. Reported result: tenfold sales growth.
Open caseWebsite
Web · SEO
Tarra.ru
Layout, content and SEO work for a furniture-related project.
Visit websiteBuilt from scratch
Web development
Pcmmotors.ru
A car-service website built from scratch and subsequently developed.
Visit websiteFull cycle
Web development
Saunamsk.ru
Full-cycle website delivery from structure and implementation to publication.
Visit websiteE-commerce
Redesign
Phone72.ru
Redesign, front-end implementation and content work for an online store.
Visit websitePromotion
SEO · Content
Kamenka.ru
Search optimization and content work.
Visit websiteArchive
E-commerce · SEO · SMM
Selbutik.ru
An online store with around 60,000 SKUs, SEO and SMM work. The project is closed.
Project closedOnline store
E-commerce · SEO
Ochv.ru
Work on an optical e-commerce website and its search visibility.
Visit websiteHealthcare
Web · SMM
Stomart.ru
Website and social-media promotion for a dental project.
Visit websiteDevelopment
Support
karo.spb.ru
Bug fixing, technical support and continued website development.
Visit websiteInternational project
E-commerce
Glavstore.com
Full-cycle work on an international online store.
Visit websiteWeb and SMM
Branding · Digital
Consultoff.ru
Digital presence, branding and promotion.
Visit websiteSocial commerce
Instagram · SMM
Seasonmarket
Visual design and development of an Instagram store.
Open profileSMM
VK · Advertising
Consultoff VK
Community management and advertising campaigns on VK.
Open communitySMM
VK · Promotion
Pivas_76
Promotion of a local project on VK.
Open communityTargeted advertising
Yandex · VK
Rosigrushka
Advertising setup and management in Yandex and VK.
Open communitySMM
VK · Design
SED_SPb
Community design and advertising promotion.
Open communitySMM
VK · Content
OpalinskayMari
Community design and content production.
Open communitySMM
VK · Advertising
Sakmarova_design
Community management and advertising campaigns.
Open communityNo projects match the selected filters.
Open source
Products and experiments on GitHub
Public bots, utilities, guides and macOS tools complement commercial and enterprise work.
Open source
Python · Telegram Bot
SecretSanta
A Secret Santa bot with draws, reminders, anonymous messages and multilingual support.
Open repositoryOpen source
Shell · Networking
VPN
Cloudflare WARP configuration generator for AmneziaWG, AmneziaVPN, DefaultVPN and WireGuard.
Open repositoryOpen source
Python · Telegram Bot
Calculator
A group-purchase splitting bot with manual input, receipt QR codes and CSV reports.
Open repositoryOpen source
Python · Telegram Bot
MMOGAME
An MMO-style game delivered as a Telegram bot.
Open repositoryOpen source
Python · Telegram Bot
SCHIPSGAME
A Telegram adaptation of the chips and caps game.
Open repositoryOpen source
Python · Telegram Bot
SocialBot
An experimental social network inside Telegram.
Open repositoryOpen source
HTML · Knowledge Base
SA Essential Guide
An open reference and practical guide for system analysts.
Open repositoryOpen source
Swift · macOS
Shadowsocks Manager
A macOS application for managing Shadowsocks connections.
Open repositoryProcess
A predictable route from question to launch
Every stage has a clear output, an alignment point and traceability to earlier decisions.
- 01DISCOVER
Context
Goals, roles, constraints, current workflows and pain points.
Output: challenge map - 02DESIGN
Solution model
Scenarios, boundaries, data, events and integration landscape.
Output: aligned model - 03SPECIFY
Specification
Contracts, requirements, failures, constraints and acceptance criteria.
Output: team-ready package - 04DELIVER
Support
Clarifications, change analysis, implementation review and updates.
Output: continuous alignment
Artifacts
The team gets a working knowledge system, not a document
The format follows the team workflow: Confluence, Markdown, OpenAPI, BPMN, UML, Mermaid or structured tables.
Requirements map
A single map of goals, roles, scenarios, constraints and dependencies.
Architecture
BPMN, UML, sequences and integration landscapes.
business → system → APIContracts
APIs, data schemas, errors and processing rules.
Acceptance & support
Testable criteria, engineering Q&A and current decisions throughout delivery.
Questions
Before we start
A quick overview of engagement, documentation and project support.
How does an engagement start?
With a short call or written brief. We capture the goal, current state, stakeholders, constraints and expected outcome, then define the work package.
Can you join only for the analysis phase?
Yes. I can prepare requirements, models, API contracts and acceptance criteria for your team without bundling development.
Do you work with private projects and NDAs?
Yes. Public cases omit confidential details, while working materials are handled within the agreed protected environment.
Can you support implementation after the specification?
Yes. I support engineers, clarify scenarios, assess changes and participate in acceptance so the documentation stays aligned with the product.
Which formats do you deliver?
Markdown, Confluence, BPMN, UML, Mermaid, OpenAPI, tables and data diagrams, selected to fit the team's workflow.
Browser lab
Tools that support the practice
17 local utilities for data, APIs, requirements and technical artifacts. No registration and no server-side content processing.
$ validate requirements.json
✓ schema valid
$ generate sequence.mmd
participant User
participant API
User->>API: request
Next step
Describe the challenge — I will help turn it into a solution plan
A few lines are enough: current situation, desired outcome and constraints.