Proximity tech stack
Proximity builds mostly with SQL, Java, Python, Go. Its stack also includes AWS, Apache Kafka, Redis, MySQL. AWS is named in 13 of the 18 job postings Proximity published in the last 12 months (72%). Counted by Alion from the job postings of Proximity, updated Sep 27, 2026.
What programming languages does Proximity use?
SQL is named in 56% of job postings at Proximity, followed by Java (56%), Python (33%), Go (22%).
Show all (11)
What frameworks and libraries does Proximity use?
Spring Boot is named in 28% of job postings at Proximity, followed by Django (11%), FastAPI (11%), Flask (11%).
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What databases does Proximity use?
Redis is named in 61% of job postings at Proximity, followed by MySQL (33%), PostgreSQL (28%), DynamoDB (17%).
Redis
11 61%
MySQL
6 33%
PostgreSQL
5 28%
DynamoDB
3 17%
ElasticSearch
2 11%
Memcached
2 11%
Cassandra
1 6%
What cloud and platforms does Proximity use?
AWS is named in 72% of job postings at Proximity, followed by Apache Kafka (72%), Kubernetes (44%), Amazon S3 (22%).
AWS
13 72%
Apache Kafka
13 72%
Kubernetes
8 44%
Spark
4 22%
RabbitMQ
4 22%
Airflow
4 22%
AWS Lambda
3 17%
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What developer tools does Proximity use?
Rest API is named in 44% of job postings at Proximity, followed by Docker (39%), Jenkins (17%), GraphQL (6%).
What AI and ML technologies does Proximity use?
LLM is named in 11% of job postings at Proximity, followed by ChatGPT (6%), Claude (6%).
Which engineering practices does Proximity ask for?
CI/CD is named in 56% of job postings at Proximity, followed by ETL/ELT (17%), AI Agents (11%), Context Engineering (6%).
CI/CD
10 56%
AI Agents
2 11%
Multimodal AI
1 6%
Prompt Engineering
1 6%
RAG
1 6%
Show all (10)
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
10 postingsData Science
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 91 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 common is the Proximity stack in its industry?
Share of the 1,526 companies in the same industries, whose stack Alion knows, that use each technology.
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 SQL (56%), Java (56%), Python (33%), Go (22%), JavaScript (22%), as a share of the 18 postings of the last 12 months.
Does Proximity use Spring Boot?
Yes. Spring Boot is named in 5 of 18 job postings (28%) and required in 4 of them.
What cloud and platforms does Proximity use?
The cloud and platforms named in Proximity job postings are AWS (13), Apache Kafka (13), Kubernetes (8) (postings in brackets).
What skills do you need for a Backend job at Proximity?
Backend postings at Proximity most often require Rest API (7), AWS (6), Java (6), Redis (6), out of 10 postings in the last 12 months.
Is the Proximity tech stack changing?
Yes. Spring Boot, Next.js, Databricks, Amazon S3 first appeared in Proximity job postings in the last six months.
How modern is the Proximity tech stack?
Proximity scores 91 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 Proximity tech stack?
Alion reads every job posting Proximity publishes and tags the technologies each one names. The figures on this page count the 18 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, "Proximity tech stack: 77 technologies from 18 job postings", as of Sep 27, 2026. https://alion.io/company/proximity-labs/technologies