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Lead Software Engineer (.Net +Angular)

Today Sofia, Bulgaria

We are looking for a highly experienced Lead Software Engineer with a strong background in the Microsoft technology stack. You will play a key role in the design, development, and support of enterprise-grade applications using .NET Framework 4.5.2, WCF, MSMQ, MS SQL Server, and other associated technologies. The ideal candidate should be hands-on, self-motivated, and comfortable working in complex distributed environments.

Why Join Exadel

We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, 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 are ambitious, collaborative, and constantly evolving.

About the Client

The world's largest human resources consulting firm is headquartered in New York City, with its main branches in 40+ countries. Over 20,500 employees operate internationally in more than 130 countries. Its services are used by 97% of Fortune 500 companies.

What You’ll Do

  • Drive the design, development, and maintenance of robust and scalable backend services using .NET Framework 4.5.2, WCF, and MSMQ
  • Integrate APIs and services via Apigee API management platform
  • Work with MS SQL Server for database design, optimization, and query development.
  • Participate in frontend development using Angular 
  • Troubleshoot production issues and provide timely resolutions
  • Collaborate with cross-functional teams, including DevOps, QA, and Architecture, to deliver high-quality software solutions
  • Own technical decision-making, ensuring architectural consistency, scalability, and best practices across the codebase
  • Mentor and guide team members, providing code reviews and technical leadership
  • Contribute to code reviews, technical documentation, and continuous improvement initiatives
  • Work closely with stakeholders to translate business requirements into technical solutions and project roadmaps

What You Bring 

  • Solid background in backend development using .NET Framework 4.5.2, WCF, and MSMQ, with a focus on architecting and leading complex distributed systems
  • Experience in Angular (v17 preferred)
  • Strong leadership skills: mentoring engineers, guiding technical decisions, and ensuring architectural consistency across projects
  • Deep expertise in MS SQL Server (stored procedures, performance tuning, data modeling) with ownership of database architecture and optimization strategy
  • Proven experience designing API integration patterns and governance using Apigee or similar API Gateway platforms
  • Familiarity with MS ADFS and Active Directory for secure enterprise-grade identity and access management
  • Experience in IIS configuration and application hosting on Windows VMs (non-containerized) in AWS EC2, including deployment strategy oversight
  • Familiarity with Nodejs/Expressjs, MongoDB 
  • Adept at aligning technical solutions with business objectives in fast-paced environments.
  • Familiar with working in VDI-based project environments

Nice to have

  • Proven ability to define and oversee infrastructure automation or scripting initiatives (e.g., PowerShell, Terraform)
  • Experience planning and driving modernization efforts using modern .NET versions (Core/6/7) for long-term architectural evolution
  • Strong understanding of and collaboration with DevOps teams, including shaping CI/CD processes and ensuring alignment with delivery goals

English level

Upper-Intermediate

Legal & Hiring Information

  • Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more
  • Reasonable accommodations are available to enable individuals with disabilities to perform essential functions
  • Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs

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Client-provided location(s): Sofia, Bulgaria, Dabas, Hungary, Kėdainiai, Lithuania, Ozorków, Poland, Făgăraș, Romania
Job ID: 5619678004
Employment Type: OTHER
Posted: 2025-08-14T18:33:55

Perks and Benefits

  • Health and Wellness

    • Parental Benefits

      • Work Flexibility

        • Office Life and Perks

          • Vacation and Time Off

            • Financial and Retirement

              • Professional Development

                • Diversity and Inclusion