Full Stack Developer (AWS, Serverless, AI/LLM Solutions)

UNAVAILABLE; Argentina; Remote; ARS 139,474,000 - 185,966,000; Full time

Job summary

Bridgenext is hiring a Senior Full Stack Developer to design, develop and deploy scalable cloud-native solutions. You will build end-to-end web apps with Next.js, while implementing backend services with NestJS and AWS-native tools.

The role emphasizes serverless architectures, LLM integration, RESTful APIs, and collaboration with data, UI/UX and QA teams. The position is remote based in LATAM, preferably Argentina.

Qualifications

• 5+ years of experience in Full Stack Development.
• Experience building applications from scratch across frontend and backend.
• Strong command of English (written and spoken).
• Remote LATAM work experience or willingness to work in this time zone.

Responsibilities

• Design end-to-end web applications from concept to production.
• Build responsive frontend with Next.js (React).
• Develop backend services and APIs with NestJS and AWS-native tools.
• Create serverless solutions using AWS Lambda and related services.
• Integrate apps with Large Language Models and AI workflows.
• Develop RESTful APIs and services for web and batch workloads.
• Collaborate with data, analytics, UI/UX, and QA teams to deliver complete solutions.
• Apply security, monitoring, logging, and performance best practices.
• Participate in architecture discussions and technical design sessions.
• Support production deployments and troubleshooting.

Skills

Full stack dev

Next.js

NestJS

TypeScript

REST APIs

LLMs integration

Serverless

AWS

English

CI/CD

Docker

Tools

Terraform

CloudFormation

AWS CDK

API Gateway

DynamoDB

RDS

OpenAI LangChain

Job description

Company Overview

At Bridgenext, we engineer Growth Operating Systems. Most enterprises have spent millions on their revenue stack and still aren't seeing the growth they expected.They have tools that function, but no system that wins. We help growth-hungry companies close that gap by turning fragmented platforms, siloed teams, and disconnected data into one integrated Growth OS. More than a technology company or marketing agency, we're a global digital consultancy with experts in engineering, data, AI, creative and more.

Our teams are made up of experts who believe in engineering impact, starting with putting people at the center of everything we do. Every team member directly shapes our work, culture, and values. Nothing matters more to us than a kind, respectful, fulfilling environment that supports everyone. Our flexible, inclusive culture gives you the autonomy, resources, and opportunities to thrive.

Position Description

We are looking for a Full Stack Developer with experience building applications from the ground up. The ideal candidate will be responsible for designing, developing, and deploying scalable cloud-native solutions leveraging AWS services, serverless architectures, and Large Language Models (LLMs).

Responsibilities:

• Design and develop end-to-end web applications from concept through production


• Build responsive and scalable frontend applications using Next.js (React)


• Develop backend services and APIs using NestJS (Node.js) and AWS-native services


• Build and maintain serverless solutions using AWS Lambda and related AWS services


• Integrate applications with Large Language Models (LLMs) and AI-powered workflows


• Develop RESTful APIs and services supporting web and batch-processing workloads


• Collaborate with Data Engineers, Business Analysts, UI/UX designers, and QA resources to deliver complete solutions


• Implement security, monitoring, logging, and performance optimization best practices


• Participate in architecture discussions and technical design sessions


• Support production deployments and troubleshooting activities

Workplace: Remote based role in LATAM, preferably in Argentina

Must Have Skills:

• 5+ years of experience in Full Stack Development


• Strong experience building applications from scratch


• Hands-on experience with Next.js (React) for frontend development


• Hands-on experience with NestJS (Node.js) for backend development


• Strong proficiency in TypeScript


• Hands-on experience with AWS cloud services


• Experience developing serverless applications using AWS Lambda


• Experience integrating with LLMs and AI services


• Strong knowledge of REST APIs, microservices, and event-driven architectures


• Experience with batch-processing solutions and asynchronous workflows


• Experience with relational and/or NoSQL databases

Preferred Skills:

• Experience with AWS API Gateway, Step Functions, SQS, SNS, DynamoDB, RDS, and CloudWatch


• Understanding of CI/CD and DevOps practices


• Experience with Docker and containerized deployments


• Familiarity with Infrastructure as Code (Terraform, AWS CDK, or CloudFormation)


• Experience working in Agile/Scrum environments


• Exposure to AI frameworks such as LangChain, OpenAI APIs, Amazon Bedrock, or similar


• Experience with Retrieval-Augmented Generation (RAG) solutions


• Knowledge of vector databases (Pinecone, OpenSearch, Weaviate, pgvector, etc.)


• Experience building AI-powered chatbots and agent-based architectures

Professional Skills:

• Excellent English communication (written and oral) and interpersonal skills


• Strong problem-solving skills


• Strong team and individual player


• Maintains composure during all types of situations and is collaborative by nature


• High standards of professionalism, consistently producing high quality results


• Self-sufficient, independent requiring very little supervision or intervention


• Demonstrate flexibility and openness to bring creative solutions to address issues

Bridgenext is an Equal Opportunity Employer