Fine-tuning and JavaScript frequently appear together in AI job postings, with 18 current openings requiring both skills. The most common role for this combination is Prompt Engineer. Jobs requiring both skills pay up to $196K on average. Below you'll find detailed salary data, hiring companies, and related skill combinations.
JavaScript provides the programming foundation, while Fine-tuning represents the specialized LLM tooling that's reshaping how software gets built. Roles requiring both typically involve building LLM-powered applications — from chatbots and agents to content generation and code assistants. 18 current postings list this combination.
Top Roles Requiring Fine-tuning + JavaScript
Prompt Engineer8 jobs
AI/ML Engineer5 jobs
AI Software Engineer2 jobs
LLM Engineer2 jobs
Data Scientist1 jobs
Career Impact
Professionals who combine Fine-tuning and JavaScript earn a median salary ceiling of
$196K, compared to $228K for Fine-tuning alone and
$207K for JavaScript alone. This 10% discount
reflects roles requiring both skills tend to be more common mid-level positions, while single-skill roles may skew toward senior or specialized positions with higher pay ceilings.
Based on our analysis of current AI job postings, 18 positions require both Fine-tuning and JavaScript skills. The most common role for this combination is Prompt Engineer.
Jobs requiring both Fine-tuning and JavaScript pay an average of $122K to $196K based on 11 postings with disclosed compensation.
Jobs requiring both Fine-tuning and JavaScript pay $196K on average (max), compared to $228K for Fine-tuning alone and $207K for JavaScript alone. That represents a 10% discount for having both skills.
The most common roles requiring both Fine-tuning and JavaScript are: Prompt Engineer, AI/ML Engineer, AI Software Engineer, LLM Engineer. These positions typically involve building production AI systems that leverage both technologies.
Data Source: Analysis based on 1,969 AI job postings collected and verified by AI Market Pulse. Data reflects active job listings as of March 2026. Salary figures represent posted compensation ranges and may not include equity, bonuses, or other benefits.
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Methodology
Skill co-occurrence data is derived from 18 job postings that list both Fine-tuning and JavaScript
as required or preferred skills. Salary data includes only postings with disclosed compensation ranges.
Data is updated weekly from major job boards and company career pages.
