Full Stack Engineer - Core AI Team

We are seeking a talented Full Stack Engineer to join our Core AI Team. This team designs and builds tools that enable the firm to leverage Large Language Models (LLMs) in their daily workflows. As part of the team, you will work on cutting‑edge AI solutions, including our enterprise Retrieval‑Augmented Generation (RAG) systems, our data ingestion pipelines, and our rapid application development (RAD) efforts.

The role will involve backend development in Python and frontend development in Type Script, with opportunities to collaborate directly with clients and stakeholders.

• Design, develop, and maintain scalable backend systems using Python.
• Build intuitive and efficient user interfaces using Type Script and modern frameworks.
• Contribute to the development of enterprise RAG solutions and other AI‑driven tools.
• Collaborate with stakeholders to understand requirements and translate them into technical solutions.
• Participate in RAD efforts to deliver prototypes and production-ready applications quickly.
• Optimize user experience through thoughtful UI/UX design and implementation.
• Stay updated with advancements in AI/LLM technologies and integrate them into the team's solutions.

• A skilled software engineer with a passion for building high-quality, impactful solutions.
• A team player with strong communication and problem-solving skills.
• Curious and eager to learn new technologies and leverage them to deliver business value.

• Bachelor’s degree in Computer Science or a related field.
• 4+ years of cumulative professional experience in software development.
• Proficiency in Python for backend development.
• Expertise in Type Script for frontend development, with experience in modern frameworks such as React or Next.js.
• Experience designing, building, testing, and debugging high-performance systems.
• Ability to communicate complex technical concepts clearly to both technical and non‑technical audiences.

• Familiarity with AI/LLM‑related user interfaces and workflows.
• Experience with cloud platforms (AWS, GCP, Azure) for deploying applications.
• Understanding of financial markets.

As part of the Core AI Development Team, you will play a pivotal role in shaping how the firm integrates AI technologies into its operations. You will have the opportunity to work on innovative projects, collaborate with talented colleagues, and directly impact the firm's success. If you are passionate about AI, full‑stack development, and delivering high-quality solutions, we encourage you to apply.

Millennium pays a total compensation package which includes a base salary, discretionary performance bonus, and a comprehensive benefits package. The estimated base salary range for this position is $175,000 to $250,000, which is specific to New York and may change in the future. When finalizing an offer, we take into consideration an individual’s experience level and the qualifications they bring to the role to formulate a competitive total compensation package.