The Apex Group was established in Bermuda in 2003 and is now one of the world’s largest fund administration and middle office solutions providers.

Our business is unique in its ability to reach globally, service locally and provide cross-jurisdictional services. With our clients at the heart of everything we do, our hard-working team has successfully delivered on an unprecedented growth and transformation journey, and we are now represented by over circa 13,000 employees across 112 offices worldwide.Your career with us should reflect your energy and passion.

That’s why, at Apex Group, we will do more than simply ‘empower’ you. We will work to supercharge your unique skills and experience.

Take the lead and we’ll give you the support you need to be at the top of your game. And we offer you the freedom to be a positive disrupter and turn big ideas into bold, industry-changing realities.

For our business, for clients, and for you

Job Description: MERN Stack Developer (AI Applications)

Experience: 2-6 Years

Role Overview

We are seeking a skilled MERN Stack Developer with experience in building AI-powered web applications. The ideal candidate will have strong expertise in MongoDB, Express.js, React.js, and Node.js, along with exposure to Generative AI, LLMs, AI agents, and AI integration frameworks.

Key Responsibilities

• Design, develop, and maintain scalable web applications using the MERN stack.
• Integrate AI/ML models, Large Language Models (LLMs), and Generative AI services into business applications.
• Develop AI-driven features such as chatbots, virtual assistants, document processing solutions, and recommendation systems.
• Create and consume RESTful APIs and microservices for AI applications.
• Work with vector databases, embeddings, and Retrieval-Augmented Generation (RAG) architectures.
• Optimize application performance, security, and scalability.
• Collaborate with AI Engineers, Solution Architects, and Product Teams to deliver innovative solutions.
• Implement CI/CD pipelines and ensure code quality through testing and code reviews.
• Troubleshoot and resolve production issues in a timely manner.

Required Skills

• Strong experience with MongoDB, Express.js, React.js, and Node.js.
• Proficiency in JavaScript (ES6+), TypeScript, HTML5, CSS3, and React frameworks.
• Experience integrating AI services such as OpenAI, Azure OpenAI, Anthropic, Gemini, or similar platforms.
• Knowledge of AI concepts including LLMs, Prompt Engineering, RAG, AI Agents, and Vector Databases.
• Experience building REST APIs and WebSocket-based applications.
• Familiarity with cloud platforms such as Azure, AWS, or GCP.
• Understanding of authentication mechanisms, security best practices, and database design.
• Experience with Git, CI/CD pipelines, and Agile development methodologies.

Preferred Skills

• Experience with Azure AI Services, LangChain, Semantic Kernel, or Microsoft Agentic Framework.
• Exposure to Python for AI integrations and model development.
• Knowledge of Docker, Kubernetes, and containerized deployments.
• Understanding of Machine Learning and MLOps concepts.

Educational Qualification

• Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.

Key Competencies

• Strong problem-solving and analytical skills.
• Excellent communication and stakeholder management abilities.
• Ability to work in a fast-paced, collaborative environment.
• Passion for AI, emerging technologies, and innovation

Disclaimer: Unsolicited CVs sent to Apex (Talent Acquisition Team or Hiring Managers) by recruitment agencies will not be accepted for this position. Apex operates a direct sourcing model and where agency assistance is required, the Talent Acquisition team will engage directly with our exclusive recruitment partners.