Contract
Senior Full-Stack Developer for AI Voice Coaching MVP (Next.js)
Project evidence involving TypeScript, React, Next.js. First observed 4 Sept 2026; the response opens on upwork.com.
- Budget
- $10,000 fixed-price
- Work format
- Project
- Role family
- AI / ML engineer
- Seniority
- Senior
- Observed
- 4 Sept 202611 days old
- Response destination
- upwork.com
What this signal says
The observed opportunity titled “Senior Full-Stack Developer for AI Voice Coaching MVP (Next.js)” enters this catalog as a market signal with a traceable source. Leadiy does not republish the original description. Instead, it separates a few decision-grade facts from the private operating record and adds context from the same demand dataset. That boundary matters: the public edition can help a developer or agency assess relevance, while the source remains responsible for complete requirements, eligibility, current status and the actual response flow. Any fact not shown here should be checked at that destination.
How the technology was normalized
This record contributes to the normalized topic set TypeScript, React, Next.js, PostgreSQL, OpenAI API, Next.js + Supabase/PostgreSQL. The mapping is evidence-based and intentionally conservative. It looks for named technology terms in the public-safe opportunity fields, resolves aliases, then checks any combination as a set of requirements rather than a loose keyword. This makes the page discoverable under stable technology hubs without pretending that a tag replaces technical due diligence. The source may contain additional context, but no unpublished contact or outreach field is used to create the public classification.
Commercial format
Leadiy reads the buying motion as Project. This matters because the response shape for a deliverable, contractor seat, formal proposal and employment application is not interchangeable. The category is a classifier output rather than a legal characterization, and the original post wins if its terms change. The available duration wording is “Three-week delivery plus optional fourth stabilization week; start within about 48 hours.” Work-location context is recorded as “Worldwide remote; agency proposals allowed only with the exact hands-on engineer; undisclosed subcontracting prohibited.”
Reading the budget
Budget evidence for this opportunity is limited to “$10,000 fixed-price.” The catalog does not normalize unlike units or turn a marketplace headline into a guaranteed contract value. A visible figure can describe a cap, an estimate, a salary, a rate or only one phase of delivery. For that reason the page keeps the source wording beside the engagement format instead of producing a synthetic market price. The practical check is to confirm scope, unit, currency, fee treatment, milestone structure and whether the amount is still current on the original listing.
Demand context from Hiring Pulse
In the current 30-day Hiring Pulse, TypeScript appears in 267 of 1254 observed opportunities (21.3%). Counts are multi-label, so one opportunity may contribute to several technology buckets. Hiring Pulse is the contextual layer Leadiy adds beyond aggregation. It places the record against a verified observation window while keeping counting rules visible: technologies can overlap, the feed is not a census, and sparse groups are not disclosed as exact numbers. This evidence can support prioritization, not a forecast. The record still needs source-level verification, and the aggregate view deliberately omits direct leads, personal information, private outreach content and arbitrary micro-segments that could reveal too much.
Observation and publication timing
Timing here is explicit: observed by Leadiy on 4 Sept 2026, 07:33 UTC, 11 days old at the current request, then admitted to the public catalog after 43.95 hours. The system never recomputes a shorter delay because a page is requested frequently. This is an evidence timestamp, not a promise that the source remains open, and not a reconstruction of when the buyer first posted. Visitors who need the freshest matched records use the authenticated product; the public page is intentionally the later, indexable edition.
What looks similar
Similarity is based on shared normalized technology tags and then recency, not on company identity or copied source prose. "AI Full-Stack Developer for RAG-Based AI Assistant Platform", "AI Full-Stack Developer — RAG-based assistant platform", "Senior Full-Stack AI Engineer — live SaaS LLM feature expansion" These neighbours are useful for comparing delivery shape, budget visibility and technology overlap. They are not duplicates and they do not imply that the same buyer, scope or qualification rules apply. When no suitable public neighbour exists, the page says so instead of padding the section with unrelated links. New public records can change this comparison set after their own delay and quality checks pass.
Where the response goes
The response button on this page opens Upwork at upwork.com. It leaves Leadiy and goes to the original opportunity URL; Leadiy is not the application destination and does not relay a response from this public page. The source may require its own account, profile, proposal form, geographic eligibility or platform terms. Check the destination address before entering information, and use the source’s current instructions rather than any summary here. This disclosure is intentionally repeated beside the button so the action is clear before a visitor clicks.
Public evidence versus earlier access
The commercial distinction is one sentence: the same opportunities, one day earlier. The paid workspace is for acting on newly matched signals with private workflow tools; this public edition is for later discovery, citation and market context. Paying does not improve the source’s terms or guarantee a response. It changes when the Leadiy record becomes available and adds the operating context needed to triage it. That boundary keeps the open catalog genuinely useful while preserving a simple reason to subscribe without hiding where the original response must be submitted.
The same opportunities, one day earlier.
See the $39 / 30-day plan →Your response leaves Leadiy.
The button opens upwork.com. That third-party page controls login, eligibility, proposal fields, privacy and the current status of the opportunity.