Reltio tech stack
Reltio builds mostly with Java, Python, JavaScript, Go. Its stack also includes AWS, Azure, Cassandra, ElasticSearch. AWS is named in 29 of the 42 job postings Reltio published in the last 12 months (69%). Counted by Alion from the job postings of Reltio, updated Nov 13, 2026.
What programming languages does Reltio use?
Java is named in 38% of job postings at Reltio, followed by Python (38%), JavaScript (19%), Go (10%).
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What frameworks and libraries does Reltio use?
Spring Boot is named in 7% of job postings at Reltio, followed by Flink (7%), Hadoop (7%), OpenTelemetry (7%).
Spring Boot
3 7%
Flink
3 7%
Hadoop
3 7%
OpenTelemetry
3 7%
Apache Camel
2 5%
LangChain
2 5%
LangGraph
2 5%
NeMo Guardrails
2 5%
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What databases does Reltio use?
Cassandra is named in 17% of job postings at Reltio, followed by ElasticSearch (12%), DynamoDB (7%), ClickHouse (5%).
Cassandra
7 17%
ElasticSearch
5 12%
DynamoDB
3 7%
ClickHouse
2 5%
Druid
2 5%
OpenSearch
2 5%
Snowflake
1 2%
What cloud and platforms does Reltio use?
AWS is named in 69% of job postings at Reltio, followed by Azure (69%), GCP (64%), Kubernetes (38%).
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What developer tools does Reltio use?
Jenkins is named in 17% of job postings at Reltio, followed by Terraform (17%), Prometheus (17%), ArgoCD (14%).
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What AI and ML technologies does Reltio use?
LLM is named in 12% of job postings at Reltio.
LLM
5 12%
Which engineering practices does Reltio ask for?
AI Agents is named in 88% of job postings at Reltio, followed by Master Data Management (38%), CI/CD (31%), LLM Guardrails (17%).
AI Agents
37 88%
CI/CD
13 31%
SLI/SLO/SLA
6 14%
Platform Engineering
5 12%
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What does each Reltio team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Solutions
11 postingsDevOps
7 postingsSecurity
6 postingsBackend
4 postingsIndustrial Engineering
3 postingsHow does your stack fit Reltio?
How much does Reltio pay by technology?
Median stated pay of the postings that name each technology, against the median of all Reltio postings with stated pay: $230k across 21 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| AWS | 10 | $207k | −10% |
| Azure | 10 | $207k | −10% |
| GCP | 10 | $207k | −10% |
| Java | 7 | $207k | −10% |
| Python | 6 | $180k | −22% |
| JavaScript | 5 | $207k | −10% |
How is the Reltio 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 Reltio stack?
Reltio scores 74 out of 100 (Modern). 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 Reltio stack in its industry?
Share of the 29 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Reltio apart
Companies with a stack like Reltio
Questions about the Reltio tech stack
What programming languages does Reltio use?
The languages named in Reltio job postings are Java (38%), Python (38%), JavaScript (19%), Go (10%), SQL (10%), as a share of the 42 postings of the last 12 months.
Does Reltio use Spring Boot?
Yes. Spring Boot is named in 3 of 42 job postings (7%) and required in 3 of them.
What cloud and platforms does Reltio use?
The cloud and platforms named in Reltio job postings are AWS (29), Azure (29), GCP (27) (postings in brackets).
What skills do you need for a Solutions job at Reltio?
Solutions postings at Reltio most often require AWS (7), Azure (7), GCP (7), JavaScript (5), out of 11 postings in the last 12 months.
Is the Reltio tech stack changing?
Yes. Git, CAPA, SQL, TypeScript first appeared in Reltio job postings in the last six months.
How modern is the Reltio tech stack?
Reltio scores 74 out of 100 (Modern). 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 Reltio tech stack?
Alion reads every job posting Reltio publishes and tags the technologies each one names. The figures on this page count the 42 postings of the last 12 months and were updated on Nov 13, 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, "Reltio tech stack: 113 technologies from 42 job postings", as of Nov 13, 2026. https://alion.io/company/reltio/technologies