Senior Full Stack Developer – Next.js / NestJS / Python / AWS (Hybrid)

Description

Job Summary: We are seeking a Senior Full Stack Developer to lead Full Stack architectures, cloud deployments, and integrate Generative AI into production-grade products for top-tier clients. Key Highlights: 1. Lead development cells in high-impact projects 2. Design robust Cloud-Native architectures 3. Design and implement solutions with LLMs and AI **Senior Full Stack Developer – Next.js / NestJS / Python / AWS (Hybrid)** Argentina \| Hybrid Full-time **About the Role** We are looking for a Senior Full Stack Developer to join the Center of Excellence (COE) of a leading technology company delivering solutions for large enterprises. This is not a traditional leadership position: we seek a hybrid profile with strong technical depth to lead Full Stack architectures and cloud deployments, with proven experience integrating Generative Artificial Intelligence into production-grade products. The mission is to elevate the technical bar across teams, lead the design of innovative solutions, and transform how software is built for top-tier clients. **What You’ll Do** * Lead development cells in high-impact projects, ensuring quality, scalability, and on-time delivery * Design robust Cloud-Native architectures on AWS, GCP, or Azure (Microservices, Serverless, Event-Driven) * Build complex, mission-critical web applications: secure, performant, and maintainable * Design and implement solutions with LLMs, RAG, MCP, and intelligent agents integrated into real business workflows * Collaborate in pre-sales: translate client needs into technically viable solutions with accurate estimations * Serve as the COE’s technical reference: train the team on emerging technologies and promote the use of AI tools (Copilot, Cursor) **What We’re Looking For** * 4+ years of software development experience, including at least 3 years leading technical teams or defining architecture * Advanced proficiency in **Python (Django)** and/or the **JavaScript ecosystem (Node.js / NestJS / React / Next.js)** * Solid experience modeling and optimizing with **PostgreSQL** * Demonstrable experience designing and implementing infrastructure on **AWS, GCP, or Azure** * Experience integrating AI APIs (OpenAI, Anthropic, Gemini), frameworks such as LangChain or LlamaIndex, and vector databases * Consulting-oriented profile with excellent communication skills and ability to engage with corporate clients **We Especially Value** * Knowledge of Docker and Kubernetes * Consulting experience in industries such as Agribusiness, Energy, or Retail * Intermediate English (B2) **Work Model** * Hybrid arrangement **Benefits** * Private health insurance (prepaga) * Connectivity allowance * Personalized career plan, training, and certifications * Birthday day off * Welcome kit * Discounts on education (Siglo 21 and Coderhouse) * Partnerships with Unilever, Tienda Molinos, and other companies **How to Apply** * If this role fits you, apply here now! * If it doesn’t fit you, share it with your colleagues! Submit your application and join us to build impactful technology solutions. To apply, follow these steps: 1 \- Submit your application via our portal. 2 \- Complete your profile on talentconnect.ai. 3 \- Participate in an initial interview powered by artificial intelligence. By completing these steps, you’ll be one step closer to joining our team of experts.