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Senior Solution Architect (.Net)
HybridFull-timeSofia, Bulgaria (51 "Cherni vrah" Blvd., 1407, Office X Business Garden - Building 4)
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Interested?Contact our recruiter Volha for more details
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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.

What you'll do
  • Design and evolve scalable, secure, and highly available cloud-native solutions for business-critical applications
  • Define end-to-end solution architecture, including system decomposition, service boundaries, data ownership, integration contracts, and communication patterns
  • Lead architectural decision-making across multiple engineering teams, balancing business needs, technical requirements, cost, and long-term maintainability
  • Drive architecture reviews, establish technical standards, and ensure alignment with engineering best practices
  • Design and optimize large-scale distributed systems leveraging modern architectural patterns such as microservices, event-driven architecture, serverless, and modular monoliths where appropriate
  • Partner with engineering, product, and business stakeholders to translate complex requirements into practical technical solutions
  • Guide cloud architecture initiatives on AWS or Azure, focusing on scalability, resilience, security, disaster recovery, and cost optimization
  • Lead architecture modernization, cloud migration, and platform transformation programs
  • Define and promote Infrastructure as Code practices using technologies such as AWS CDK, Terraform, CloudFormation, or equivalent tools
  • Mentor engineers and technical leads, fostering architectural excellence and helping teams make sound technical decisions
  • Evaluate technology choices, frameworks, and architectural patterns, including understanding when a particular approach is not the right fit
  • Contribute to long-term technology strategy and support the successful delivery of complex technical initiatives
What you bring
  • 7+ years of software engineering experience, including 5+ years working with .NET/C# in production environments
  • Proven track record of designing and delivering complex, large-scale distributed systems
  • Experience leading technical and architectural decisions across multiple teams and stakeholders
  • Strong expertise with at least one major cloud platform, preferably AWS or Azure
  • Solid understanding of cloud architecture principles, including high availability, multi-AZ deployments, disaster recovery, scalability, security, identity and access management, serverless architecture, and cost optimization
  • Deep knowledge of software architecture concepts and patterns, including monoliths, modular monoliths, microservices, event-driven systems, serverless architectures, and distributed systems
  • Strong expertise in architectural principles and practices such as SOLID, Domain-Driven Design (DDD), Clean Architecture, Hexagonal Architecture, CQRS, Event Sourcing, Saga, Outbox/Inbox patterns, and idempotency
  • Experience defining domain boundaries, service boundaries, integration strategies, and architectural dependencies
  • Hands-on experience with Infrastructure as Code using AWS CDK, Terraform, CloudFormation, or similar technologies
  • Excellent communication and stakeholder management skills, with the ability to influence technical direction across diverse teams
What you'll get
  • 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
  • Private health insurance (medical and dental care services included)
  • 25 paid working days/year for work-life balance
  • Support for the significant events in your life
  • Access to the Multisport program for a healthy lifestyle
  • Referral bonuses for bringing in new talent
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Please note: Vention will process your personal data to conduct the recruitment process per Applicant Information Clause. Please take a moment to read it and check the boxes before submitting your application.
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