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  • United States · Filed H-1B visas in the last two years

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Overview

Matthew A. Lohbihler. I'm a software engineer with over 25 years of experience mostly buildiing the full stack of web applications but I'm generally better with the server side. I have a degree in math from the University of Waterloo, and a curiousity that won't leave me alone.

News

News robustenough.com 6 months ago
Psychedelics aren't just serotonin (or dopamine) agonists
Maybe you already know that some psychedelics aren't just serotonin agonists.
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Report
News sciencedirect.com 8 months ago
N,N-dimethyltryptamine is neither formed nor retained in serotonin terminals Read more
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News Refractor 12 months ago
IBS breakthrough: Serotonin-making gut bugs restore bowel function
New research reveals specific gut microbes synthesize serotonin, potentially protecting against inflammation and opening new avenues for IBS treatment.
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News BrainPost 1 year ago
Cracking the Serotonin Code: How Your Brain Predicts Future Rewards - BrainPost Easy-to-read summaries of the latest neuroscience publications
Post by Rachel Sharp The takeaway Serotonin neurons signal a prospective code for value - a prediction of near-future rewards that explains why these neurons respond to both rewards and punishments. This unifying theory reconciles seemingly contradictory
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News The Transmitter: Neuroscience News and Perspectives 1 year ago
Dopamine 'gas pedal' and serotonin 'brake' team up to accelerate learning
Mice learn fastest and most reliably when they experience an increase in dopamine paired with an inhibition of serotonin, a new study shows.
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News medicalxpress.com 2 years ago
Serotonin's Role in Resilience Read more
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News medicalxpress.com 2 years ago
Serotonin changes how people learn and respond to negative information Read more
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News britishjournalofnursing.com 2 years ago
Antidepressants sexual side-effects, SSRI sexual dysfunction, serotonin syndrome Read more
Report
News mdpi.com 2 years ago
Allosteric Modulators of Serotonin Receptors: A Medicinal Chemistry Survey Read more
Report
News Neuroscience News 2 years ago
Serotonin Affects Behavior and Motivation
A new study reveals how activating the brain's serotonin center affects behavior and motivation in awake mice.
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Tech stack

Technologies named in job postings at Serotonin over the last 12 months, by layer, with the share of postings for each.
Technologies in use
21
Postings analysed
1
Stack modernity
83/100AI adopter
Languages
Python
SQL
JavaScript
Frameworks & libraries
CrewAI
LangGraph
Next.js
LangChain
React.js
Cloud & platforms
Anthropic
GitHub
OpenAI
Developer tools
GraphQL
Rest API
AI & ML
LLM
Practices & domains
AI Agents
Agentic Workflows
Embeddings
RAG
Semantic Search
Semantic Search
Structured Outputs
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Growth

Hiring Momentum
54/100
Stable
Open positions
2
0 opened / 1 closed in 30 days
Median time-to-fill
49 days
faster than 28% of the market
ATS activity
Every ~3 hours
Today
Hiring Dynamics +100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
HR
100% ▼
Activity Timeline
Added Rest API to stack Sep 2026
Added LinkedIn to stack Sep 2026
Added Agentic Workflows to stack Sep 2026
Added Zapier to stack Aug 2026
Added Structured Outputs to stack Aug 2026
Added Semantic Search to stack Aug 2026
Added OpenAI to stack Aug 2026
Added n8n to stack Aug 2026
Added GitHub to stack Aug 2026
Added Anthropic to stack Aug 2026

Jobs

$90k – $150k per year • Remote (United States) • Full-Time • New York • Toronto • San Francisco • Los Angeles • Chicago
Python
JavaScript
SQL
LangGraph
LangChain
Embeddings
AI Agents
CrewAI
LLM
RAG
Semantic Search
OpenAI
Anthropic
Structured Outputs
Semantic Search
Agentic Workflows
Frontend
GraphQL
Next.js
React.js
DevOps
Rest API
GitHub
Management
n8n
Zapier
Apply