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Vention is a global engineering partner to tech leaders and fast-growing startups, combining 20+ years of product development expertise with an AI-first approach and a reputation for reliable delivery. We’ve been building robust .NET solutions since 2002 — from microservice-based systems to high-load, enterprise-grade platforms. Our teams follow best engineering practices like clean architecture, DDD, automated testing, and CI/CD, delivering cloud-native solutions on Azure and AWS.
Job Responsibility:
Deliver features end-to-end: requirements clarification, design, implementation, testing, deployment, observability, and optimization
Production debugging & performance engineering: analyze slow SQL (execution plans, DMVs), optimize EF Core (AsNoTracking, Includes, SQL shape), fix N+1 issues, design caching strategies (read replicas, Redis), debug deadlocks and async/await issues, resolve front-end freezes caused by large payloads
Optimize SQL and database performance: execution plan analysis, SARGability, indexing, avoiding full scans, proper joins and type matching, making informed choices between Dapper and EF Core
Async/await and concurrency: async/await behavior, deadlock analysis, batching, parallelization, distinguishing I/O vs CPU tasks
Testing: unit, integration, boundary tests, proper mocking
understanding when architectural/contract tests are needed
High-load systems: experience stabilizing/scaling systems handling tens–hundreds of RPS and 100k+ daily events, using queues/buffering
Logging and observability: Serilog (structured logs), dashboards/alerts in DataDog, distributed tracing (preferably OpenTelemetry), log level management
Communication and soft skills: clear and structured communication, ability to explain complex concepts with simple analogies, constructive PR discussions, data-driven design decisions
Proficiency with Git, code reviews, and branching strategies
Nice to have:
PostgreSQL experience is a plus
Familiarity with message brokers (Kafka/RabbitMQ/Azure Service Bus) is a bonus
What we offer:
EDU corporate community (300+ members): tech communities, interest clubs, events, a small R&D lab, a knowledge base, and a dedicated AI track
Licenses for AI tools: GitHub Copilot, Cursor, and others
24 working days of vacation per year
Expanded medical insurance
Corporate getaways & team building activities
Fitpass sport program
Support for significant life events
Access to discounts across a variety of stores, restaurants & cafes through a corporate discount program
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