Reply tech stack
Reply builds mostly with SQL, Python, Java, C#. Its stack also includes AWS, Azure, Oracle, Amazon Redshift. AWS is named in 16 of the 16 job postings Reply published in the last 12 months (100%). Counted by Alion from the job postings of Reply, updated Nov 3, 2026.
What programming languages does Reply use?
SQL is named in 63% of job postings at Reply, followed by Python (38%), Java (19%), C# (19%).
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What frameworks and libraries does Reply use?
ASP.NET Core is named in 6% of job postings at Reply, followed by Appium (6%), Cypress (6%), Playwright (6%).
What databases does Reply use?
Oracle is named in 19% of job postings at Reply, followed by Amazon Redshift (13%), ElasticSearch (13%), Google Cloud Spanner (6%).
Oracle
3 19%
Amazon Redshift
2 13%
ElasticSearch
2 13%
Google Cloud Spanner
1 6%
MS SQL
1 6%
MySQL
1 6%
Redis
1 6%
What cloud and platforms does Reply use?
AWS is named in 100% of job postings at Reply, followed by Azure (25%), Linux (25%), Amazon Kinesis (13%).
AWS
16 100%
Azure
4 25%
Apache Kafka
2 13%
Kubernetes
2 13%
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What developer tools does Reply use?
Copilot is named in 13% of job postings at Reply, followed by Terraform (13%), pySpark (13%), CloudFormation (6%).
What AI and ML technologies does Reply use?
ChatGPT is named in 6% of job postings at Reply, followed by Claude (6%), LLM (6%).
Which engineering practices does Reply ask for?
Machine Learning is named in 100% of job postings at Reply, followed by ETL/ELT (19%), CI/CD (13%), Chain-of-Thought (6%).
CI/CD
2 13%
Chain-of-Thought
1 6%
RAG
1 6%
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What does each Reply team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Data Science
3 postingsHow does your stack fit Reply?
How is the Reply 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 Reply stack?
Reply scores 90 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.
Companies with a stack like Reply
Questions about the Reply tech stack
What programming languages does Reply use?
The languages named in Reply job postings are SQL (63%), Python (38%), Java (19%), C# (19%), Bash (6%), as a share of the 16 postings of the last 12 months.
Does Reply use AWS?
Yes. AWS is named in 16 of 16 job postings (100%) and required in 16 of them.
What cloud and platforms does Reply use?
The cloud and platforms named in Reply job postings are AWS (16), Azure (4), Linux (4) (postings in brackets).
What skills do you need for a Data Science job at Reply?
Data Science postings at Reply most often require AWS (3), SQL (3), Amazon Kinesis (2), Amazon Redshift (2), out of 3 postings in the last 12 months.
Is the Reply tech stack changing?
Yes. Copilot, Kubernetes, Windows, Windows Server first appeared in Reply job postings in the last six months.
How modern is the Reply tech stack?
Reply scores 90 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 Reply tech stack?
Alion reads every job posting Reply publishes and tags the technologies each one names. The figures on this page count the 16 postings of the last 12 months and were updated on Nov 3, 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, "Reply tech stack: 66 technologies from 16 job postings", as of Nov 3, 2026. https://alion.io/company/reply-7/technologies