Senior Fullstack Engineer (LLM/AI)

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Fullstack Engineer (LLM/NestJS/Typescript) in Latin America.

We are seeking a Senior Fullstack Engineer with expertise in LLM/AI technologies to build and scale advanced software solutions that power AI-driven simulations and real-time interactions. This role involves designing and maintaining backend services, implementing modular, high-performance architectures, and contributing to frontend development as needed. You will collaborate closely with product and design teams to translate complex requirements into reliable, scalable systems while working with cloud environments such as Azure and AWS. The ideal candidate combines deep technical experience with strong problem-solving skills and the ability to thrive in a fast-paced, innovative environment. This position offers the opportunity to make a tangible impact on cutting-edge AI applications used across education, healthcare, and business sectors.

Accountabilities:

• Design, develop, and optimize backend services primarily using NestJS and TypeScript, with some work on frontend components using ReactJS.
• Support the migration of legacy backend services from Java to NestJS while ensuring reliability and performance.
• Collaborate with cross-functional teams including product, design, and other engineers to deliver robust AI-powered software solutions.
• Implement modular, scalable architectures, REST APIs, and monitoring systems to support real-time AI features.
• Participate in agile development practices, including sprint planning, daily standups, code reviews, and retrospectives.
• Deploy, monitor, and maintain applications in cloud environments such as Azure and AWS.
• Troubleshoot, debug, and continuously improve system performance and code quality.

Requirements

• 6+ years of professional software development experience, with at least 80% backend experience in NestJS, Python, or Java, and some frontend experience (approx. 20%) using JavaScript/ReactJS.
• Hands-on experience with LLMs, AI integration, or AI-driven workflows.
• Strong understanding of software design principles, modular architecture, and REST API development.
• Experience working with cloud environments (Azure preferred, AWS a plus).
• Proficiency in collaborative software development, code reviews, and testing best practices.
• Excellent communication skills and ability to work effectively in a cross-functional, international team.

Nice to Have:

• Familiarity with containerization tools like Docker and Kubernetes.
• Experience integrating AI tools or APIs into software applications.
• Interest in mentoring or knowledge sharing within the team.

Benefits

• Competitive salary aligned with experience and industry standards.
• Remote work flexibility across Latin America.
• Opportunity to work on innovative AI-powered projects impacting multiple industries.
• Collaborative, high-performance team culture focused on learning and growth.
• Exposure to cutting-edge technologies, including LLMs, cloud services, and fullstack development practices.
• Career growth and mentorship opportunities within a dynamic, fast-paced environment.

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

When you apply, your profile goes through our AI-powered screening process designed to identify top talent efficiently and fairly:

• 🔍 Our AI evaluates your CV and LinkedIn profile thoroughly, analyzing your skills, experience, and achievements.
• 📊 It compares your profile to the job’s core requirements and past success factors to determine your match score.
• 🎯 The top 3 candidates with the highest match are automatically shortlisted.
• 🧠 If needed, our human team performs an additional review to ensure no strong profile is missed.

The process is transparent, skills-based, and free of bias — focusing solely on your fit for the role. Once the shortlist is completed, it is shared directly with the company, which will make final decisions and next steps, including interviews or assessments.

Thank you for your interest!

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