Proximity tech stack
Proximity builds mostly with Java, SQL, Python, Go. Its stack also includes AWS, Apache Kafka, Redis, Spring Boot. AWS is named in 17 of the 28 job postings Proximity published in the last 12 months (61%). Counted by Alion from the job postings of Proximity, updated Nov 11, 2026.
What programming languages does Proximity use?
Java is named in 50% of job postings at Proximity, followed by SQL (43%), Python (36%), Go (25%).
Java
14 50%
SQL
12 43%
Python
10 36%
Go
7 25%
JavaScript
6 21%
TypeScript
5 18%
Kotlin
3 11%
Scala
3 11%
Show all (13)
What frameworks and libraries does Proximity use?
Spring Boot is named in 25% of job postings at Proximity, followed by React.js (14%), Next.js (7%), Cypress (4%).
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What databases does Proximity use?
Redis is named in 50% of job postings at Proximity, followed by MySQL (21%), PostgreSQL (18%), DynamoDB (14%).
Redis
14 50%
MySQL
6 21%
PostgreSQL
5 18%
DynamoDB
4 14%
Memcached
4 14%
ElasticSearch
3 11%
Cassandra
1 4%
Realm
1 4%
Show all (11)
What cloud and platforms does Proximity use?
AWS is named in 61% of job postings at Proximity, followed by Apache Kafka (61%), Kubernetes (46%), Amazon S3 (21%).
AWS
17 61%
Apache Kafka
17 61%
Kubernetes
13 46%
GCP
5 18%
GitHub Actions
5 18%
Spark
4 14%
Airflow
4 14%
Show all (21)
What developer tools does Proximity use?
Docker is named in 43% of job postings at Proximity, followed by Rest API (39%), Jenkins (11%), Copilot (7%).
Docker
12 43%
Rest API
11 39%
Jenkins
3 11%
Copilot
2 7%
Prometheus
2 7%
Git
1 4%
GraphQL
1 4%
Swagger
1 4%
Show all (15)
What AI and ML technologies does Proximity use?
LLM is named in 14% of job postings at Proximity, followed by Claude (7%), ChatGPT (4%), VLM (4%).
Which engineering practices does Proximity ask for?
CI/CD is named in 61% of job postings at Proximity, followed by AI Agents (14%), ETL/ELT (11%), RAG (7%).
CI/CD
17 61%
AI Agents
4 14%
RAG
2 7%
Embeddings
1 4%
Show all (22)
What other technologies does Proximity use?
Swift Concurrency is named in 4% of job postings at Proximity.
Swift Concurrency
1 4%
What does each Proximity team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
14 postingsData Science
4 postingsMobile
4 postingsHow does your stack fit Proximity?
How is the Proximity 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 Proximity stack?
Proximity 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: 4; legacy ones: 0.
How common is the Proximity stack in its industry?
Share of the 6,996 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Proximity apart
Companies with a stack like Proximity
Questions about the Proximity tech stack
What programming languages does Proximity use?
The languages named in Proximity job postings are Java (50%), SQL (43%), Python (36%), Go (25%), JavaScript (21%), as a share of the 28 postings of the last 12 months.
Does Proximity use Spring Boot?
Yes. Spring Boot is named in 7 of 28 job postings (25%) and required in 6 of them.
What cloud and platforms does Proximity use?
The cloud and platforms named in Proximity job postings are AWS (17), Apache Kafka (17), Kubernetes (13) (postings in brackets).
What skills do you need for a Backend job at Proximity?
Backend postings at Proximity most often require AWS (9), Java (9), Redis (9), Apache Kafka (8), out of 14 postings in the last 12 months.
Is the Proximity tech stack changing?
Yes. Spring Boot, Next.js, Kotlin, Node JS first appeared in Proximity job postings in the last six months.
How modern is the Proximity tech stack?
Proximity 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: 4; legacy ones: 0.
How does Alion know the Proximity tech stack?
Alion reads every job posting Proximity publishes and tags the technologies each one names. The figures on this page count the 28 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, "Proximity tech stack: 117 technologies from 28 job postings", as of Nov 11, 2026. https://alion.io/company/proximity-labs/technologies