Vadim Kuzinov
@vadimkuzinov
Senior Software Engineer at Funda who cut saved-search matching lag from 2 hours to 7 minutes.
NetherlandsWhat I'm looking for
At Funda, I scaled and hardened an OpenSearch saved-search pipeline, cutting peak-import matching lag from 2 hours to 7 minutes. I also improved property-detail endpoint p95 latency from approximately 900 ms to 300 ms at peak load.
I piloted an LLM-assisted service that extracts structured highlights from property descriptions, with validation and human review for uncertain outputs. I also improved top-ranked listing CTR by approximately 12% through an A/B-tested ranking update.
At Mercell, I extended procurement rules, supplier scoring, and recommendations, and replaced synchronous report generation with background jobs and S3 storage. Earlier, at Ozon, I worked on warehouse systems, including a microservices migration of 70M+ records and CPU optimization for an inventory expiry system.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer
Funda
Feb 2025 - Present (1 year 8 months)
Led scaling and hardening of an OpenSearch Percolator-based saved-search pipeline, cutting peak-import matching lag from 2 hours to 7 minutes. Piloted an LLM-assisted enrichment service and delivered a 12% relative CTR uplift on top-ranked listings.
Extended procurement rule engine with supplier segmentation and configurable qualification rules. Redesigned contract and spend-report exports using Hangfire background jobs and S3 storage, delivering 100K+ row reports without timeouts.
Software Engineer
Ozon
Feb 2021 - Nov 2023 (2 years 9 months)
Automated disposal of low-value third-party inventory by redesigning state management and extending saga-based orchestration. Introduced a validation framework for pallet compatibility and reduced CPU usage by 20% in an inventory expiry tracking system.
Education
Degrees, certifications, and relevant coursework
Moscow Engineering Physics Institute
Bachelor of Science, Computer Science
2019 - 2023
Bachelor of Science in Computer Science from Moscow Engineering Physics Institute, completed in 2023.
Tech stack
Software and tools used professionally
Orleans
Kubernetes
GitHub Actions
MySQL
PostgreSQL
MongoDB
Cassandra
InfluxDB
.NET Core
.NET
ASP.NET Core
Redis
Terraform
Azure DevOps
C#
JSON
Serilog
ELK
Blazor
Kafka
RabbitMQ
Azure Service Bus
MediatR
Grafana
Prometheus
OpenTelemetry
Linux
Datadog
GraphQL
SignalR
gRPC
Elasticsearch
OpenSearch
Serverless
Git
Docker
BenchmarkDotNet
SQL
Jaeger
Cursor
Testcontainers
k6
Entity Framework Core
Dapper
AWS
Claude
Azure
Availability
Location
NetherlandsAuthorized to work in
Salary expectations
Job categories
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