Lead Full-Stack Developer (.Net and React)

About the Role

As a Lead Full-Stack .NET Engineer in our Machine Learning department, you will take ownership of high-impact deliverables and collaborate with cross-functional stakeholders across various initiatives. In this role, you’ll support key business goals by designing, implementing, and managing A/B and multi-armed bandit (MAB) experiments that leverage AI and large language models (LLMs). You’ll drive innovation through R&D, deliver critical data insights, and play a key role in scaling AI/LLM capabilities across the organization through technical leadership and collaboration. Our environment embraces continuous integration and deployment (CI/CD) practices, and we're extensively leveraging Generative AI technologies to enhance our ecosystem. Join us in shaping the future of AI-driven solutions within an ecosystem of 170+ connected applications, supporting over a million visitors daily and handling billions of requests each month. 

What You’ll Do

• Guiding the team in making well-informed technical decisions that enhance the quality and maintainability of our solutions. 
• Collaborating with cross-functional teams to demonstrate how they can effectively leverage our infrastructure to meet their objectives. 
• Designing and developing software architecture and technical frameworks for new applications in alignment with business goals and best practices. 
• Identifying and implementing strategies to improve the stability, performance, and scalability of our applications and services. 
• Responding promptly to production incidents, employing creative problem-solving skills to minimize downtime and mitigate potential issues. 
• Mentoring and supporting team members, fostering a culture of continuous learning and technical excellence. 
• Conducting code reviews and ensuring adherence to coding standards and best practices across the team. 
• Participating in the evaluation and integration of new technologies, including AI and automation tools, to drive innovation and efficiency. 

What We’re Looking For

• 6+ years of experience in full-stack development using C#, .NET Core, JavaScript, React and related technologies.
• SQL and database design skills, including experience with large databases (e.g., SQL Server, ElasticSearch). 
• Solid understanding of architectural patterns including Service-Oriented Architecture (SOA). 
• Hands-on experience with REST APIs, web services, and WCF. 
• Expertise in using source control systems (e.g., Git) for managing codebases. 
• Experience in developing automation tests (unit and integration) using Test-Driven Development (TDD) methodologies. 
• Agile/SCRUM experience with a focus on CI/CD practices. 
• Experience working with LLMs, including prompt engineering, leveraging coding assistants, and integrating with APIs such as OpenAI’s.
• Strong communication and collaboration skills, with the ability to explain complex technical concepts to non-technical stakeholders in a clear and concise manner, and equally adept at translating business requirements into optimal technical solutions for the development team. 
• Demonstrated autonomy in decision-making, with adaptability in dynamic environments
• Experience conducting code reviews and providing mentorship to other developers. 
• Ability to provide solid technical judgment and quickly resolve production issues. 
• Enthusiasm for continuous learning and staying on the cutting edge of new technologies, frameworks, and tools. 
• Proficiency in data analysis, and interpreting results to drive decision-making.
• Upper-intermediate English proficiency (B2 or higher). 
• Experience with Python is a big plus.
  

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