Software Engineer – Full Stack (Santander)

ABOUT THE ROLE We are looking for a Full Stack Developer to build and integrate LLM‑powered features across frontend and backend systems. You will develop React components, extend Python backend services, and work directly with LLM APIs to deliver AI‑driven product functionality. The role requires close collaboration with product, QA, and engineering teams with active overlap in EST hours. WHAT YOU WILL DO
- Develop and integrate LLM‑based functionality, including prompt engineering, API‑based model usage, and AI workflows;
- Build and maintain React‑based frontend components;
- Develop and extend Python backend services, including APIs, integrations, and data processing;
- Collaborate closely with product, QA, and engineering teams in overlapping EST hours;
- Participate in design discussions and contribute to scalable, maintainable solutions. MUST HAVES
- Commercial experience with LLMs , including Claude, OpenAI, similar APIs, or custom model integration;
- 1+ year of experience with React , including hooks, state management, and component‑driven development;
- 1+ year of experience with Python , including API development and backend logic;
- Experience working in distributed teams with active collaboration;
- Upper‑intermediate English level . NICE TO HAVES
- Experience with FastAPI or similar frameworks;
- Exposure to AI evaluation, prompt testing, or AI quality considerations;
- Prior work on data‑heavy or AI‑driven products. PERKS AND BENEFITS
- Professional growth : Mentorship, TechTalks, and personalized growth roadmaps.
- Competitive compensation : USD‑based pay with education, fitness, and team activity budgets.
- Exciting projects : Modern solutions with Fortune 500 and top product companies.
- Flextime : Adaptable schedule with remote and office options. Postúlate en Kit Empleo: kitempleo.com.co/empleo/1a0mk9