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Senior Software Engineer (.NET + AI) at Exadel. . Location: Armenia, Bulgaria, Georgia, Hungary, Kazakhstan, Lithuania, Poland, Romania, Uzbekistan. . 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. . Our client is one of the Big Four accounting firms and the world’s largest professional services network. Headquartered in London, they operate in 150+ countries with 460,000+ professionals delivering excellence in audit, tax, consulting, and advisory.. The team you will join designs, develops, and deploys innovative enterprise technology and AI-driven tools to support the delivery of tax services. It is a dynamic group combining expertise in tax, software engineering, change management, and project management, working on initiatives from tool design and deployment to training development and engagement management.. . Project Tech Stack. . Azure Cloud, Microservices Architecture, .NET 8, ASP.NET Core services, Python, MongoDB, Azure SQL, Angular 18, Kendo, GitHub Enterprise with Copilot, LangGraph, LangChain, RAG Pipelines, Multi-modal LLMs. . What You’ll Do. . . Providing requirements analysis, system design, .NET and AI development, database engineering, troubleshooting, performance optimization, and technical support. . Designing, developing, and maintaining scalable .NET applications with integration of AI/LLM services. . Implementing agentic AI solutions using modern frameworks (e.g., LangGraph, LangChain). . Applying prompt engineering techniques - including design, refinement, and evaluation - to optimize LLM performance. . Building and optimizing RAG pipelines leveraging hybrid search and vector databases. . Integrating and experimenting with multi-modal GenAI models (text-to-image, text-to-audio, etc.). . Conducting code reviews to ensure adherence to best practices and coding standards. . Working both independently and collaboratively within the team. . Providing clear instructions to team members and helping coordinate day-to-day operations. . Communicating with the client on a regular basis. . Providing technical leadership for the team – mentor, coach, and lead by example. . . What You Bring. . . 5+ years of background in development. . Strong background in .NET, ASP.NET Core, and Azure Cloud (Service Bus, Blob, Redis, etc.). . Solid understanding of microservices architecture and scalable system implementation. . Knowledge of multi-modal AI models and their practical applications. . Hands-on experience integrating AI/LLM frameworks (e.g., LangChain, LangGraph) into enterprise applications. . Experience using LLMs to solve real-world problems and developing agentic AI applications. . Understanding of RAG pipelines and hybrid search with vector databases. . Pragmatic approach to balancing process against flexibility in achieving objectives. . Organizational skills, including the capacity to self-manage, structure work, set priorities, and work to deadlines. . Excellent troubleshooting and communication skills. . . Nice to have. . . Bachelor’s or Master’s degree in Computer Science or Software Engineering. . Skill for writing reusable libraries. . Knowledge of Angular, Mongo DB, NPM, Azure DevOps Build/Release configuration. . Expertise in containerization and orchestration (Docker, Kubernetes). . . English level. . 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. . . Your Benefits at Exadel . . Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.. . . International projects. . In-office, hybrid, or remote flexibility. . Medical healthcare. . Recognition program. . Ongoing learning & reimbursement . . Well-being program. . Team events & local benefits . . Sports compensation . . Referral bonuses . . Top-tier equipment provision. . . Exadel Culture. . We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters..