Lead Software Engineer (.NET)

Exadel•Sofia, GA

9h•Hybrid

About The Position

Exadel is an AI-first global tech company with 25+ years of engineering excellence, 2,000+ professionals, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks. From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next. What powers it all? Our people — ambitious, collaborative, and constantly evolving. About the Client Our client is a global leader in financial and audit software solutions, empowering professionals in accounting, compliance, and data analytics to work smarter and more securely. The company serves thousands of organizations worldwide, from mid-sized firms to large enterprises, helping them modernize workflows, ensure regulatory compliance, and enhance data integrity across complex ecosystems. What You’ll Do Technical Strategy and Technology Selection: Create, revise, and maintain the technical and technological strategy. Initiate and conduct Proof of Concepts (PoC) to evaluate and select new libraries, frameworks, and critical components (e.g., caching, security) Detailed Technical Design and Documentation: Analyze requirements from a technical perspective, develop detailed technical designs, and create/maintain Architectural Decision Records (ADR) to formalize the micro-architecture of the ACL domain Domain Leadership and Security Baseline: Lead the implementation of Access Control Lists (ACL), ensure security measures comply with best practices, and define the security baseline for the application, including basic threat modeling Code Quality, Standards, and Mentorship: Develop, implement, and enforce uniform standards (including Secure Coding Practices), create the reference implementation for the team, and actively drive the technical development of team members Development and Code Review: Write code, conduct code review, manage pull requests, and negotiate code improvements with the development team Technical Health and Optimization: Monitor and manage technical debt, proactively suggest strategies for code and architecture optimization Non-Functional Requirements (NFR) Verification: Define, monitor, and ensure the actual fulfillment of requirements related to performance, scalability, and fault tolerance Monitoring and Environment Design: Define which metrics, logs, and critical security events should be tracked and trigger alerts (acting as the stakeholder for DevOps) and closely cooperate with DevOps on initial environment setup Technical Communication: Foster open communication with stakeholders (PO, BA, etc.) regarding technical aspects of the project and analyze technical feedback from the team Technical Onboarding: Develop and conduct technical introductory courses for new team members

Requirements

Strong .NET backend engineering background
Experience with .NET Framework and understanding of differences between .NET and .NET Framework
Strong knowledge of at least one relational database engine including data access and performance (SQL query tuning, index-aware design, denormalized data patterns)
Strong understanding of design and architectural patterns
Great understanding of distributed systems and asynchronous communication patterns
Understanding of microservices and containerized applications, experience with Docker and Swarm or Kubernetes
Knowledge and understanding of at least one of key Public Cloud providers (AWS/Azure/GCP)
Ability to lead a team of developers
Observability strategy (metrics, tracing, logging conventions) and production operations mindset

Nice To Haves

Familiarity with Kubernetes operational constraints (resource limits, scaling behavior)
Familiarity with policy/relationship-based authorization systems
Hands on experience with WCF
Experience with PostgreSQL
Knowledge of AWS
Experience building endpoints for authorization decisions
Experience with large-scale migrations

Responsibilities

Create, revise, and maintain the technical and technological strategy.
Initiate and conduct Proof of Concepts (PoC) to evaluate and select new libraries, frameworks, and critical components (e.g., caching, security)
Analyze requirements from a technical perspective, develop detailed technical designs, and create/maintain Architectural Decision Records (ADR) to formalize the micro-architecture of the ACL domain
Lead the implementation of Access Control Lists (ACL), ensure security measures comply with best practices, and define the security baseline for the application, including basic threat modeling
Develop, implement, and enforce uniform standards (including Secure Coding Practices), create the reference implementation for the team, and actively drive the technical development of team members
Write code, conduct code review, manage pull requests, and negotiate code improvements with the development team
Monitor and manage technical debt, proactively suggest strategies for code and architecture optimization
Define, monitor, and ensure the actual fulfillment of requirements related to performance, scalability, and fault tolerance
Define which metrics, logs, and critical security events should be tracked and trigger alerts (acting as the stakeholder for DevOps) and closely cooperate with DevOps on initial environment setup
Foster open communication with stakeholders (PO, BA, etc.) regarding technical aspects of the project and analyze technical feedback from the team
Develop and conduct technical introductory courses for new team members