Full Stack Developer (React.js - python- AWS - postgreSQL) - FT - LATAM/NA/Europe

Location

Remote restrictions apply

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Hourly rate

Min. experience

5+ years

Hours per week

40 hours

Duration

24 weeks

Required skills

Freelance job

Posted 17 days ago

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Actively recruiting / 33 applicants

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Cynthia is in direct contact with the company and can answer any questions you may have. Email

Cynthia, Recruiter

About the Role

We are looking for a Senior Full-Stack Developer to help build an innovative AI-powered SaaS platform. This role requires expertise in Python, React/JavaScript, and AWS, with a strong emphasis on integrating Large Language Models (LLMs), embeddings, and AI-driven user interactions into React applications.

The ideal candidate is excited about exploring new ways for AI agents to engage users beyond simple Q&A—creating interactive workflows, decision-making tools, and task automation. This is a great opportunity to work on cutting-edge AI applications and contribute to a highly scalable, cloud-based platform.

ⓘ View potential timezone restrictions

This is a full-time contract role (6 months to 1 year), with the potential for full-time conversion. Candidates in North America, South America, or Eastern Europe are preferred for better time zone alignment.

Responsibilities

Develop and optimize full-stack applications using React (TypeScript), Python, and AWS.
Integrate LLMs, embeddings, and AI-driven agents into React applications.
Create AI-powered agents that go beyond text responses—enabling intelligent actions and decision-making workflows.
Ensure scalability, security, and performance in a cloud-based (AWS) environment.
Collaborate with product and AI teams to design and implement innovative AI-powered features.
Write clean, maintainable, and well-documented code following best practices.
Debug, troubleshoot, and optimize system performance.

Required Skills

React.js (TypeScript) – Strong experience building modern, interactive web applications.
Python – Proficiency in backend development.
AWS (S3, CloudWatch, Deployment) – Hands-on experience with cloud infrastructure.
PostgreSQL – Solid understanding of relational databases.
Experience integrating LLMs, embeddings, and AI-driven interactions into web applications.
Strong problem-solving skills and ability to work independently.
Excellent communication skills to collaborate with technical and non-technical stakeholders.

Nice-to-Have Skills

Experience building AI agents that take actions beyond simple text responses.
Familiarity with Stable Diffusion or other generative AI models.
Knowledge of real-time AI processing and optimization techniques.
Strong background in performance and scalability optimization in cloud environments.