fifty-five tech stack
fifty-five builds mostly with SQL, Python, JavaScript, LookML. Its stack also includes GCP, Google BigQuery, BigQuery, AWS. SQL is named in 10 of the 15 job postings fifty-five published in the last 12 months (67%). Counted by Alion from the job postings of fifty-five, updated Sep 30, 2026.
What programming languages does fifty-five use?
SQL is named in 67% of job postings at fifty-five, followed by Python (53%), JavaScript (7%), LookML (7%).
What databases does fifty-five use?
Google BigQuery is named in 40% of job postings at fifty-five, followed by BigQuery (33%), Snowflake (27%).
BigQuery 
What cloud and platforms does fifty-five use?
GCP is named in 40% of job postings at fifty-five, followed by AWS (27%), Azure (27%), Kubernetes (27%).
GCP
6 40%
AWS
4 27%
Azure
4 27%
Kubernetes
4 27%
Airflow
2 13%
Power BI
2 13%
GitHub
1 7%
Show all (10)
What developer tools does fifty-five use?
Docker is named in 27% of job postings at fifty-five, followed by Terraform (27%), Kong (13%), Microsoft Excel (13%).
Docker
4 27%
Terraform
4 27%
Kong
2 13%
Rest API
2 13%
Claude Code
1 7%
Copilot
1 7%
Adobe Photoshop
1 7%
Show all (9)
What AI and ML technologies does fifty-five use?
ChatGPT is named in 7% of job postings at fifty-five, followed by LLM (7%).
Which engineering practices does fifty-five ask for?
CI/CD is named in 27% of job postings at fifty-five, followed by GitOps (27%), Machine Learning (27%), A/B Testing (7%).
What does each fifty-five team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
6 postingsHow does your stack fit fifty-five?
How is the fifty-five 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 fifty-five stack?
fifty-five 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: 2; legacy ones: 0.
How common is the fifty-five stack in its industry?
Share of the 243 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like fifty-five
Questions about the fifty-five tech stack
What programming languages does fifty-five use?
The languages named in fifty-five job postings are SQL (67%), Python (53%), JavaScript (7%), LookML (7%), TypeScript (7%), as a share of the 15 postings of the last 12 months.
Does fifty-five use GCP?
Yes. GCP is named in 6 of 15 job postings (40%) and required in 6 of them.
What cloud and platforms does fifty-five use?
The cloud and platforms named in fifty-five job postings are GCP (6), AWS (4), Azure (4) (postings in brackets).
What skills do you need for a Data Science job at fifty-five?
Data Science postings at fifty-five most often require SQL (6), Python (5), AWS (2), Airflow (2), out of 6 postings in the last 12 months.
Is the fifty-five tech stack changing?
Yes. Kong, Microsoft Excel, Rest API first appeared in fifty-five job postings in the last six months.
How modern is the fifty-five tech stack?
fifty-five 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: 2; legacy ones: 0.
How does Alion know the fifty-five tech stack?
Alion reads every job posting fifty-five publishes and tags the technologies each one names. The figures on this page count the 15 postings of the last 12 months and were updated on Sep 30, 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, "fifty-five tech stack: 34 technologies from 15 job postings", as of Sep 30, 2026. https://alion.io/company/fifty-five/technologies