Repligen tech stack
Repligen builds mostly with SQL, C#, Python, C++. Its stack also includes Linux, PostgreSQL, .NET, MariaDB. SQL is named in 6 of the 30 job postings Repligen published in the last 12 months (20%). Counted by Alion from the job postings of Repligen, updated Sep 27, 2026.
What programming languages does Repligen use?
SQL is named in 20% of job postings at Repligen, followed by C# (10%), Python (10%), C++ (7%).
C# 
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What frameworks and libraries does Repligen use?
Lightning Web Components is named in 3% of job postings at Repligen, followed by Symfony (3%), Visualforce (3%), Qt (3%).
What databases does Repligen use?
PostgreSQL is named in 10% of job postings at Repligen, followed by MariaDB (3%), MySQL (3%).
What cloud and platforms does Repligen use?
Linux is named in 10% of job postings at Repligen, followed by .NET (7%), Active Directory (7%), Microsoft Entra ID (7%).
.NET
2 7%
Power BI
2 7%
CyberArk
1 3%
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What developer tools does Repligen use?
CAPA is named in 23% of job postings at Repligen, followed by Microsoft Excel (17%), Rest API (13%), Docker (13%).
Rest API
4 13%
Docker
4 13%
Git
3 10%
OPC UA
3 10%
SolidWorks
2 7%
Canva
1 3%
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What AI and ML technologies does Repligen use?
Claude is named in 10% of job postings at Repligen, followed by ChatGPT (7%).
Which engineering practices does Repligen ask for?
PID Control is named in 7% of job postings at Repligen, followed by A/B Testing (3%), IAM (3%), Incident Management (3%).
Incident Management
1 3%
SLI/SLO/SLA
1 3%
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What does each Repligen team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Industrial Engineering
7 postingsBackend
4 postingsDevOps
3 postingsHow does your stack fit Repligen?
How is the Repligen 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 Repligen stack?
Repligen scores 75 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: 1.
Companies with a stack like Repligen
Questions about the Repligen tech stack
What programming languages does Repligen use?
The languages named in Repligen job postings are SQL (20%), C# (10%), Python (10%), C++ (7%), PowerShell (7%), as a share of the 30 postings of the last 12 months.
Does Repligen use Linux?
Yes. Linux is named in 3 of 30 job postings (10%) and required in 1 of them.
What cloud and platforms does Repligen use?
The cloud and platforms named in Repligen job postings are Linux (3), .NET (2), Active Directory (2) (postings in brackets).
What skills do you need for a Industrial Engineering job at Repligen?
Industrial Engineering postings at Repligen most often require CAPA (4), SolidWorks (2), out of 7 postings in the last 12 months.
Is the Repligen tech stack changing?
Yes. C++, CAPA, Docker, C# first appeared in Repligen job postings in the last six months.
How modern is the Repligen tech stack?
Repligen scores 75 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: 1.
How does Alion know the Repligen tech stack?
Alion reads every job posting Repligen publishes and tags the technologies each one names. The figures on this page count the 30 postings of the last 12 months and were updated on Sep 27, 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, "Repligen tech stack: 61 technologies from 30 job postings", as of Sep 27, 2026. https://alion.io/company/repligen/technologies