PEK tech stack
PEK builds mostly with 1C, SQL, Python, C#. Its stack also includes Active Directory, Windows, MS SQL, AutoGen. 1C is named in 74 of the 81 job postings PEK published in the last 12 months (91%). Counted by Alion from the job postings of PEK, updated Nov 11, 2026.
What programming languages does PEK use?
1C is named in 91% of job postings at PEK, followed by SQL (10%), Python (4%), C# (1%).
1C 
What frameworks and libraries does PEK use?
AutoGen is named in 2% of job postings at PEK, followed by CrewAI (2%), LangChain (2%), LangGraph (2%).
What databases does PEK use?
MS SQL is named in 2% of job postings at PEK, followed by ClickHouse (1%), PostgreSQL (1%).
What cloud and platforms does PEK use?
Active Directory is named in 6% of job postings at PEK, followed by Windows (6%), Figma (4%), OpenAI (2%).
Figma
3 4%
Power BI
2 2%
Airflow
1 1%
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What developer tools does PEK use?
Adobe Photoshop is named in 4% of job postings at PEK, followed by Rest API (4%), Adobe Illustrator (2%), Adobe Premiere Pro (2%).
Adobe Photoshop
3 4%
Rest API
3 4%
Adobe Illustrator
2 2%
Adobe Premiere Pro
2 2%
Semantic Kernel
2 2%
3ds Max
1 1%
Adobe After Effects
1 1%
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What AI and ML technologies does PEK use?
Claude is named in 2% of job postings at PEK, followed by GPT-4 (2%), LLM (2%), Llama (2%).
Which engineering practices does PEK ask for?
TCP/IP is named in 7% of job postings at PEK, followed by DHCP (6%), DNS (6%), LAN (6%).
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What does each PEK team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Field & Service
8 postingsSupport
6 postingsEnterprise Apps
4 postingsHow does your stack fit PEK?
How modern is the PEK stack?
PEK scores 86 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: 6; legacy ones: 0.
How common is the PEK stack in its industry?
Share of the 637 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like PEK
Questions about the PEK tech stack
What programming languages does PEK use?
The languages named in PEK job postings are 1C (91%), SQL (10%), Python (4%), C# (1%), JavaScript (1%), as a share of the 81 postings of the last 12 months.
Does PEK use AutoGen?
Yes. AutoGen is named in 2 of 81 job postings (2%) and required in 2 of them.
What cloud and platforms does PEK use?
The cloud and platforms named in PEK job postings are Active Directory (5), Windows (5), Figma (3) (postings in brackets).
What skills do you need for a Field & Service job at PEK?
Field & Service postings at PEK most often require 1C (8), Microsoft Excel (2), SQL (2), out of 8 postings in the last 12 months.
Is the PEK tech stack changing?
No new technology has appeared in PEK job postings in the last six months.
How modern is the PEK tech stack?
PEK scores 86 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: 6; legacy ones: 0.
How does Alion know the PEK tech stack?
Alion reads every job posting PEK publishes and tags the technologies each one names. The figures on this page count the 81 postings of the last 12 months and were updated on Nov 11, 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, "PEK tech stack: 67 technologies from 81 job postings", as of Nov 11, 2026. https://alion.io/company/pecom/technologies