Full-stack Developer

August 6, 2025

Closed

Location

Anywhere

Occupation

Freelancer

Experience level

Mid-level

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AI Summary

H&HIS, a dynamic startup specializing in media and headhunting solutions, is partnering with a Ho Chi Minh City-based tech company to hire a remote freelance Full-stack Developer. This flexible freelance opportunity allows professionals to collaborate remotely while contributing to the design and development of advanced AI and data platforms. Core responsibilities include analyzing system architecture, improving AI pipelines and APIs, integrating MLFlow, building interactive dashboards, implementing multi-tenancy architecture with role-based access control (RBAC), and developing audit systems for monitoring AI activity. Compensation is negotiable depending on skills and experience.

Ideal candidates will have 3+ years of hands-on experience in full-stack development, with strong proficiency in Python (FastAPI or Flask) and React. Key technical expertise includes building and integrating RESTful APIs, working with PostgreSQL and MongoDB, and familiarity with ML/AI tracking tools like MLFlow. Applicants should also understand multi-tenant systems, logging mechanisms, and have a proactive, systems-oriented mindset. Experience in SaaS, AI, or internal platforms is highly desirable, and additional knowledge in DevOps, Docker, or CI/CD pipelines will be seen as a plus.

This freelance role offers an opportunity to work with a tech-savvy team at the intersection of AI, analytics, and product development. Applicants can expect a collaborative startup culture focused on innovation and growth. Interested candidates should apply through the LinkedIn job listing.

Job Description

Analyze the system architecture and propose improvements for AI pipelines, data architecture, and APIs.
Integrate MLFlow into the platform to automate model tracking and metadata storage.
Build user-facing dashboards displaying model runs, user feedback, and system alerts.
Implement a feedback loop that collects user feedback and connects it back into the AI pipeline.
Design and implement multi-tenancy architecture for customer data separation and role-based access control.
Develop a comprehensive audit log system for AI activities and set up alert mechanisms for abnormal behaviors.

Requirements

3+ years of experience in fullstack development (both frontend and backend).
Proficient in Python (FastAPI or Flask) and React.
Experience building and integrating RESTful APIs with clean codebase organization.
Solid understanding of MLFlow or equivalent ML/AI tracking platforms.
Skilled in working with PostgreSQL, MongoDB, and logging systems.
Strong systems-thinking mindset, with the ability to work independently and proactively.
Experience with multi-tenant systems, RBAC, and audit logging.
Background in internal platforms for AI, Data Science, or SaaS is a strong plus.
Knowledge of DevOps practices, Docker, and CI/CD pipelines is a bonus.