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Ingaleee/README.md

Email: egor_spaik05@mail.ru Telegram: @Inga1e GitLab projects GitHub repositories Projects & Code
Open to relocation and international remote contracts.

Egor Solovyev — Senior C#/.NET Backend Engineer. Systems that stay fast when everything gets noisy. High-load, distributed systems, fintech, AI and RAG. Architecture, performance, reliability and technical delivery. Search p95: 150 ms at 100K–1M SKU; MTTR reduced by 70%; 4+ years in production; zero-downtime knowledge base rollouts.

About me

I'm a Senior C#/.NET backend engineer with 4+ years of production experience across industrial platforms, cybersecurity and fintech. I build systems that remain reliable under load, partial failures and changing requirements.

My focus is performance, reliability, clean architecture and measurable impact: distributed systems, event-driven processing, payments, observability and production support. I take ownership from architecture and implementation through deployment, monitoring and incident resolution.

Experience: Wilo SE · Sber Cybersecurity · EGAR International · Geropharm

Selected systems

System Engineering focus Stack
B2B catalog and media platform Search p95: 150 ms at 100K–1M SKU; event-driven processing, observability and delivery ownership .NET 9, PostgreSQL, Kafka, Redis, MongoDB, Kubernetes
Cybersecurity AI/RAG platform Zero-downtime rollouts of versioned knowledge bases; asynchronous LLM execution and analytical routing ASP.NET Core, pgvector, HNSW, Kafka, ClickHouse
POS lending and payment orchestration Idempotent callbacks, status machines, reconciliation and provider integrations C#, SQL Server, REST, payments, transactional workflows

Operational impact: MTTR reduced by 70% through distributed tracing, alerts and runbooks.

Independent engineering

Featured engineering projects — inspect the source, architecture and verification material. All GitHub repositories → · GitLab projects →

MESH Showcase — creator marketplace with payment simulation, idempotent integrations, deployment and recovery exercises. Ruby / Rails, Next.js, PostgreSQL.

Overview  ·  Code

Details & evidence

Creator marketplace with payment simulation, idempotent integrations, deployment and recovery exercises.

Integration & release lab · Execution evidence

 FusionOps — resource allocation, event-based audit, outbox delivery and read projections. C# / .NET, EventStoreDB, PostgreSQL.

Overview  ·  Code

Details & evidence

Resource allocation, event-based audit, outbox delivery and read projections.

Outbox · Projector · GitLab
Market Tick Ingestion — three simulated WebSocket feeds, bounded queues, reconnects, deduplication and batch writes. C# / .NET 10, PostgreSQL.

Overview  ·  Code

Details & tests

Three simulated WebSocket feeds, bounded queues, reconnects, deduplication and batch writes.

Pipeline · Concurrency tests

 MPLX — C++20 compiler, bytecode virtual machine, language tooling and a stable .NET interop boundary.

Overview  ·  Code

Details & tests

C++20 compiler, bytecode virtual machine, language tooling and a stable .NET interop boundary.

Compiler · Virtual machine · Language tests · GitLab
TrustHub — TON escrow platform with a Go backend and Tact smart contracts, deal state machines, arbitration, reputation and on-chain acknowledgements.

Overview  ·  Code

Details & tests

TON escrow platform with a Go backend and Tact smart contracts. Explicit deal state machines, arbitration and reputation; Telegram identity, notifications, OpenSearch, operational monitoring and on-chain acknowledgements.

Go backend · Tact contracts · TON integration · Backend integration tests

 Aiti Guru backend — commerce and logistics API, transactional stock updates and order management. Python / FastAPI, PostgreSQL, Redis.

Overview  ·  Code

Details & tests

Commerce and logistics API, transactional stock updates and order management.

Order service · Tests

VPN platform — Manifest V3 browser extension and subscription lifecycle for VLESS and WireGuard infrastructure.

Commercial systems above describe my professional experience. These public repositories provide code, architecture and verification material to explore.

Engineering principles

Reliability by design: plan for partial failures, observability and graceful degradation. Performance with evidence: measure, profile and optimize. Pragmatic architecture: simple, maintainable solutions that solve real problems. Production ownership: design, deployment, monitoring and incident resolution.

Core tech stack

Focus Technologies & practices
Core backend C# · .NET 6–10 · ASP.NET Core · EF Core · Dapper · LINQ · BackgroundService · REST · gRPC · Minimal APIs
Architecture & distributed systems Microservices · DDD · Clean Architecture · CQRS · event-driven systems · Kafka · RabbitMQ · EventStoreDB
Data PostgreSQL · SQL Server · MongoDB · ClickHouse · Redis · pgvector · HNSW
Platform & reliability Docker · Kubernetes · OpenTelemetry · Prometheus · Grafana · ELK · CI/CD · tracing · alerts · runbooks
Security Keycloak · OAuth2 · OIDC · JWT · TLS · mTLS · rate limiting · secure logging
Frontend React · TypeScript · Next.js · data-intensive interfaces
Independent stack Go · Tact / TON · C++20 · Python / FastAPI · Ruby / Rails
Production evidence stream — animated view of the systems above
Animated production evidence stream

Public GitHub activity over 34 weeks — open contribution history

Open to relocation and international remote contracts.
Email  ·  Telegram

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