Trajectory

Trajectory is a developer of continuous post-training and alignment software for artificial intelligence models. From its funding announcement.

$45M Series ARaised 6 days agoSan Francisco, USAEducation & HRUSA
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In their own words

What Trajectory says it is doing

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Public signal Described in the funding announcement as "developer of continuous post-training and alignment software for artificial intelligence models". Source

Market expansionProductResearch and developmentCommercial growth

Public signal Read from the company's own description of what the funding supports.

Why now

Where Trajectory is today

Trajectory announced a Series A round of $45M on 3 November 2026, led by Sequoia Capital. AfterRaise has tracked 3 funding events for this company this year, $100M in total.

Latest round
Series A
Amount
$45M
Announced
3 November 2026
Headquarters
San Francisco, USA
Sector
Education & HR
Investors
Also participating
Relevant leadership
Not stated

Momentum AfterRaise intelligence

AfterRaise Score

86
High momentum
2 funding signals in the last 90 days
Funding recency
40/40
announced within the last 30 days
Round scale
16/25
round size relative to the market
Funding stage
15/20
Series A
Funding cadence
15/15
3 funding events tracked this year
Arriving with the signals layer
  • Hiring momentum Open roles and hiring pace
  • Market expansion New offices and new countries
  • Leadership Executive appointments
  • Product activity Launches and releases

Since the raise

What has happened since

  • 3 November 2026
    $45M Series A
    Led by Sequoia Capital.
  • 17 August 2026
    $40M Series A
    Led by Sequoia Capital.
  • 28 May 2026
    $15M Seed
    Investors not stated in the announcement.

Public signal The timeline currently holds funding events, because those are the signals AfterRaise observes today. Hiring, leadership, expansion and product events join it with the signals layer.

What may happen next

What this raise could create

AfterRaise intelligenceNot a statement of fact

What may happen next

  • New market entry
  • First local hires in the new market
  • Local entity and legal setup
  • Product launches and new tiers

Opportunities this could create

  • Institutional partnerships
  • Enterprise sales
  • Market-entry advisers
  • Local employment infrastructure
  • In-market partnerships

Based on the Education & HR sector, a Series A round and the priorities the company itself set out. Not a statement of fact.

High momentum7 connected signals across 159 days
  • 3 November 2026$45M Series A announced
  • 17 August 2026Funding Series A announced
  • 28 May 2026Funding Seed announced
  • 3 November 2026Stated priority: market expansion
  • 3 November 2026Stated priority: product
  • 3 November 2026Stated priority: research and development

High momentum means several meaningful company changes have occurred in a short period. Signals here are funding events and the priorities the company stated; hiring, leadership and expansion detection join with the signals layer.

Open to

What Trajectory is open to

Not yet specified

Trajectory has not told AfterRaise which approaches it welcomes. Until it does, we do not assume. Offers to help are held and shown to the company, and the company decides whether to open a conversation.

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Opportunities

Ways to work with Trajectory

All opportunities
OpportunityJOBPublic signal4 days ago
Trajectory
San Francisco

Member of Technical Staff - Intern

Trajectory is hiring for this role on its own job board, after raising $45M.

Who they want
Approach preferences not yet specified
Apply on Trajectory’s site →Company page
OpportunityJOBPublic signal4 days ago
Trajectory
San Francisco

Member of Technical Staff - Research Intern

Trajectory is hiring for this role on its own job board, after raising $45M.

Who they want
Approach preferences not yet specified
Apply on Trajectory’s site →Company page
OpportunityJOBPublic signal4 days ago
Trajectory
San Francisco

Member of Technical Staff - Generalist

Trajectory is hiring for this role on its own job board, after raising $45M.

Who they want
Approach preferences not yet specified
Apply on Trajectory’s site →Company page
OpportunityJOBPublic signal34 days ago
Trajectory
San Francisco

Member of Technical Staff - ML Infra

Trajectory is hiring for this role on its own job board, after raising $45M.

Who they want
Approach preferences not yet specified
Apply on Trajectory’s site →Company page
OpportunityJOBPublic signal41 days ago
Trajectory
San Francisco

Founding Recruiter

Trajectory is hiring for this role on its own job board, after raising $45M.

Who they want
Approach preferences not yet specified
Apply on Trajectory’s site →Company page
OpportunityJOBPublic signal2 months ago
Trajectory
San Francisco

Member of Business Staff

Trajectory is hiring for this role on its own job board, after raising $45M.

Who they want
Approach preferences not yet specified
Apply on Trajectory’s site →Company page
OpportunityJOBPublic signal6 months ago
Trajectory
San Francisco

Member of Technical Staff - Research

Trajectory is hiring for this role on its own job board, after raising $45M.

Who they want
Approach preferences not yet specified
Apply on Trajectory’s site →Company page
OpportunityJOBPublic signal6 months ago
Trajectory
San Francisco

Member of Technical Staff - Design Eng

Trajectory is hiring for this role on its own job board, after raising $45M.

Who they want
Approach preferences not yet specified
Apply on Trajectory’s site →Company page

Helpful contributors

People who have contributed here

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