Oyster
HR & Payroll Software · Employer of Record & PEO

Oyster tech stack

Oyster builds mostly with Python, SQL, JavaScript, Ruby. Its stack also includes Ruby on Rails, AWS, AWS Bedrock, Snowflake. LLM is named in 5 of the 17 job postings Oyster published in the last 12 months (29%). Counted by Alion from the job postings of Oyster, updated Nov 6, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Nov 6, 2026
Technologies in use
42
Postings analysed
17
Open now
8
Modernity
78 /100
New in 6 months
8

What programming languages does Oyster use?

Python is named in 24% of job postings at Oyster, followed by SQL (24%), JavaScript (24%), Ruby (18%).

Python 4 24% required in 100% · 2 open now · since Aug 2026
SQL 4 24% required in 100% · 2 open now · since Aug 2026
JavaScript 4 24% required in 75% · 3 open now · since Sep 2026
Ruby 3 18% required in 67% · 1 open now · since Aug 2026
TypeScript 1 6% optional · since Oct 2026

What frameworks and libraries does Oyster use?

Ruby on Rails is named in 18% of job postings at Oyster, followed by LangChain (6%), LangGraph (6%), React.js (6%).

Ruby on Rails 3 18% required in 67% · 1 open now · since Aug 2026
LangChain 1 6% required in 100% · since Aug 2026
LangGraph 1 6% required in 100% · since Aug 2026
React.js 1 6% required in 100% · 1 open now · since Nov 2026

What databases does Oyster use?

Snowflake is named in 6% of job postings at Oyster.

Snowflake 1 6% required in 100% · since Aug 2026

What cloud and platforms does Oyster use?

AWS is named in 12% of job postings at Oyster, followed by AWS Bedrock (6%), Databricks (6%), Datadog (6%).

AWS 2 12% required in 100% · since Aug 2026
AWS Bedrock 1 6% required in 100% · since Aug 2026
Databricks 1 6% required in 100% · since Aug 2026
Datadog 1 6% required in 100% · since Aug 2026
LocalAI 1 6% required in 100% · since Jun 2026
Looker 1 6% required in 100% · since Aug 2026
Sentry 1 6% required in 100% · since Aug 2026
Heroku 1 6% optional · since Aug 2026
Show all (9)
Linux1

What developer tools does Oyster use?

Model Context Protocol is named in 24% of job postings at Oyster, followed by Microsoft Excel (18%), Alteryx (6%), Git (6%).

Model Context Protocol 4 24% required in 100% · 2 open now · since Aug 2026
Microsoft Excel 3 18% required in 100% · 2 open now · since Oct 2026
Alteryx 1 6% required in 100% · since Oct 2026
Git 1 6% required in 100% · since Oct 2026
Terraform 1 6% required in 100% · since Aug 2026
dbt 1 6% required in 100% · since Aug 2026

What AI and ML technologies does Oyster use?

LLM is named in 29% of job postings at Oyster.

LLM 5 29% required in 80% · 1 open now · since Jun 2026

Which engineering practices does Oyster ask for?

RAG is named in 35% of job postings at Oyster, followed by AI Agents (29%), Agentic Workflows (12%), CI/CD (12%).

RAG 6 35% required in 83% · 3 open now · since Jun 2026
AI Agents 5 29% required in 100% · 2 open now · since Jun 2026
Agentic Workflows 2 12% required in 100% · 2 open now · since Sep 2026
CI/CD 2 12% required in 100% · since Aug 2026
Platform Engineering 2 12% required in 100% · since Aug 2026
Function Calling 2 12% required in 50% · 1 open now · since Aug 2026
A/B Testing 1 6% required in 100% · 1 open now · since Oct 2026
Context Engineering 1 6% required in 100% · 1 open now · since Sep 2026
Show all (16)
Embeddings1
Human-in-the-Loop1
Incident Management1
LLM Guardrails1
Machine Learning1
Multimodal AI1
Semantic Search1
Tokenization1

How does your stack fit Oyster?

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How is the Oyster 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.

First appeared
Microsoft ExcelOct 2026
JavaScriptSep 2026
Agentic WorkflowsSep 2026
Model Context ProtocolAug 2026
PythonAug 2026
SQLAug 2026
Function CallingAug 2026
RubyAug 2026

How modern is the Oyster stack?

Cutting-edge AI adopter 78/100

Oyster scores 78 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: 1; legacy ones: 0.

How common is the Oyster stack in its industry?

Share of the 626 companies in the same industries, whose stack Alion knows, that use each technology.

LLM28%
JavaScript52%
Python49%
SQL54%
Ruby10%
Ruby on Rails6%
AWS42%
AWS Bedrock6%
Databricks9%
Datadog11%

Questions about the Oyster tech stack

What programming languages does Oyster use?

The languages named in Oyster job postings are Python (24%), SQL (24%), JavaScript (24%), Ruby (18%), TypeScript (6%), as a share of the 17 postings of the last 12 months.

Does Oyster use Ruby on Rails?

Yes. Ruby on Rails is named in 3 of 17 job postings (18%) and required in 2 of them.

What cloud and platforms does Oyster use?

The cloud and platforms named in Oyster job postings are AWS (2), AWS Bedrock (1), Databricks (1) (postings in brackets).

Is the Oyster tech stack changing?

Yes. Microsoft Excel, JavaScript, Agentic Workflows, Model Context Protocol first appeared in Oyster job postings in the last six months.

How modern is the Oyster tech stack?

Oyster scores 78 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: 1; legacy ones: 0.

How does Alion know the Oyster tech stack?

Alion reads every job posting Oyster publishes and tags the technologies each one names. The figures on this page count the 17 postings of the last 12 months and were updated on Nov 6, 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, "Oyster tech stack: 42 technologies from 17 job postings", as of Nov 6, 2026. https://alion.io/company/oyster/technologies

Licence: CC BY-SA 4.0JSON