Fieldguide tech stack
Fieldguide builds mostly with TypeScript, Python, JavaScript, Node JS. Its stack also includes PostgreSQL, Anthropic, OpenAI, React.js. PostgreSQL is named in 15 of the 36 job postings Fieldguide published in the last 12 months (42%). Counted by Alion from the job postings of Fieldguide, updated Sep 28, 2026.
What programming languages does Fieldguide use?
TypeScript is named in 39% of job postings at Fieldguide, followed by Python (33%), JavaScript (14%), Node JS (14%).
What frameworks and libraries does Fieldguide use?
React.js is named in 14% of job postings at Fieldguide, followed by LangGraph (6%), LangChain (6%), Lottie (3%).
What databases does Fieldguide use?
PostgreSQL is named in 42% of job postings at Fieldguide, followed by BigQuery (3%), Google BigQuery (3%).
BigQuery 
What cloud and platforms does Fieldguide use?
Anthropic is named in 14% of job postings at Fieldguide, followed by OpenAI (14%), AWS (14%), Kubernetes (8%).
AWS
5 14%
Kubernetes
3 8%
Datadog
2 6%
LangSmith
2 6%
Langfuse
2 6%
Show all (16)
What developer tools does Fieldguide use?
GraphQL is named in 22% of job postings at Fieldguide, followed by Lovable (19%), Terraform (8%), Claude Code (6%).
GraphQL
8 22%
Terraform
3 8%
Claude Code
2 6%
Adobe After Effects
1 3%
Cinema 4D
1 3%
Prometheus
1 3%
Show all (10)
What AI and ML technologies does Fieldguide use?
LLM is named in 33% of job postings at Fieldguide, followed by Gemini (14%), Claude (3%).
Which engineering practices does Fieldguide ask for?
AI Agents is named in 72% of job postings at Fieldguide, followed by LLM Guardrails (17%), RAG (17%), Human-in-the-Loop (17%).
AI Agents
26 72%
RAG
6 17%
Platform Engineering
4 11%
CI/CD
3 8%
Show all (12)
What does each Fieldguide team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
10 postingsAI/ML
7 postingsHow does your stack fit Fieldguide?
How much does Fieldguide pay by technology?
Median stated pay of the postings that name each technology, against the median of all Fieldguide postings with stated pay: $230k across 36 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| PostgreSQL | 15 | $240k | +4% |
| TypeScript | 14 | $245k | +7% |
| LLM | 12 | $250k | +9% |
| Python | 12 | $245k | +7% |
| JavaScript | 5 | $250k | +9% |
| Node JS | 5 | $250k | +9% |
| React.js | 5 | $250k | +9% |
| AWS | 5 | $240k | +4% |
| Anthropic | 5 | $220k | −4% |
| Gemini | 5 | $220k | −4% |
How is the Fieldguide stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the Fieldguide stack?
Fieldguide scores 87 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 3; legacy ones: 0.
How common is the Fieldguide stack in its industry?
Share of the 354 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Fieldguide
Questions about the Fieldguide tech stack
What programming languages does Fieldguide use?
The languages named in Fieldguide job postings are TypeScript (39%), Python (33%), JavaScript (14%), Node JS (14%), SQL (11%), as a share of the 36 postings of the last 12 months.
Does Fieldguide use LangGraph?
Yes. LangGraph is named in 2 of 36 job postings (6%) and required in 2 of them.
What cloud and platforms does Fieldguide use?
The cloud and platforms named in Fieldguide job postings are Anthropic (5), OpenAI (5), AWS (5) (postings in brackets).
What skills do you need for a Backend job at Fieldguide?
Backend postings at Fieldguide most often require LLM (3), Claude Code (2), out of 10 postings in the last 12 months.
Is the Fieldguide tech stack changing?
Yes. Claude Code, Platform Engineering, Kubernetes, LangGraph first appeared in Fieldguide job postings in the last six months.
How modern is the Fieldguide tech stack?
Fieldguide scores 87 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 3; legacy ones: 0.
How does Alion know the Fieldguide tech stack?
Alion reads every job posting Fieldguide publishes and tags the technologies each one names. The figures on this page count the 36 postings of the last 12 months and were updated on Sep 28, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "Fieldguide tech stack: 55 technologies from 36 job postings", as of Sep 28, 2026. https://alion.io/company/fieldguide/technologies