Block Labs tech stack

Block Labs builds mostly with Go, SQL, TypeScript, Python. Its stack also includes Apache Kafka, ClickHouse, AWS, Amazon Redshift. Apache Kafka is named in 3 of the 5 job postings Block Labs published in the last 12 months (60%). Counted by Alion from the job postings of Block Labs, updated Oct 14, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 14, 2026
Technologies in use
57
Postings analysed
5
Open now
5
Modernity
76 /100

What programming languages does Block Labs use?

Go is named in 40% of job postings at Block Labs, followed by SQL (40%), TypeScript (40%), Python (40%).

Go 2 40% required in 100% · 2 open now · since Jun 2026
SQL 2 40% required in 100% · 2 open now · since Jul 2026
TypeScript 2 40% required in 100% · 2 open now · since Aug 2026
Python 2 40% required in 50% · 2 open now · since Jul 2026
JavaScript 1 20% optional · 1 open now · since Oct 2026

What frameworks and libraries does Block Labs use?

LangGraph is named in 20% of job postings at Block Labs, followed by Next.js (20%), OpenAI Agents SDK (20%), React.js (20%).

LangGraph 1 20% required in 100% · 1 open now · since Aug 2026
Next.js 1 20% required in 100% · 1 open now · since Oct 2026
OpenAI Agents SDK 1 20% required in 100% · 1 open now · since Aug 2026
React.js 1 20% required in 100% · 1 open now · since Oct 2026
Streamlit 1 20% required in 100% · 1 open now · since Aug 2026
Feast 1 20% optional · 1 open now · since Jul 2026
LangChain 1 20% optional · 1 open now · since Aug 2026

What databases does Block Labs use?

ClickHouse is named in 40% of job postings at Block Labs, followed by Amazon Redshift (20%), BigQuery (20%), Druid (20%).

ClickHouse 2 40% required in 100% · 2 open now · since Jul 2026
Amazon Redshift 1 20% required in 100% · 1 open now · since Jul 2026
BigQuery 1 20% required in 100% · 1 open now · since Jul 2026
Druid 1 20% required in 100% · 1 open now · since Jul 2026
Google BigQuery 1 20% required in 100% · 1 open now · since Jul 2026
DynamoDB 1 20% optional · 1 open now · since Jul 2026
Presto 1 20% optional · 1 open now · since Jul 2026
Trino 1 20% optional · 1 open now · since Jul 2026

What cloud and platforms does Block Labs use?

Apache Kafka is named in 60% of job postings at Block Labs, followed by AWS (20%), AWS Fargate (20%), Airflow (20%).

Apache Kafka 3 60% required in 67% · 3 open now · since Jun 2026
AWS 1 20% required in 100% · 1 open now · since Jul 2026
AWS Fargate 1 20% required in 100% · 1 open now · since Jul 2026
Airflow 1 20% required in 100% · 1 open now · since Jul 2026
Amazon ECS 1 20% required in 100% · 1 open now · since Jul 2026
Anthropic 1 20% required in 100% · 1 open now · since Aug 2026
Kubernetes 1 20% required in 100% · 1 open now · since Jul 2026
LangSmith 1 20% required in 100% · 1 open now · since Aug 2026
Show all (12)
Langfuse1
Spark1
Amazon S31
Amazon SageMaker1

What developer tools does Block Labs use?

AWS Glue is named in 20% of job postings at Block Labs, followed by Apache NiFi (20%), CloudFormation (20%), Great Expectations (20%).

AWS Glue 1 20% required in 100% · 1 open now · since Jul 2026
Apache NiFi 1 20% required in 100% · 1 open now · since Jul 2026
CloudFormation 1 20% required in 100% · 1 open now · since Jul 2026
Great Expectations 1 20% required in 100% · 1 open now · since Jul 2026
Model Context Protocol 1 20% required in 100% · 1 open now · since Aug 2026
Terraform 1 20% required in 100% · 1 open now · since Jul 2026
gRPC 1 20% required in 100% · 1 open now · since Jun 2026
pySpark 1 20% required in 100% · 1 open now · since Jul 2026

What AI and ML technologies does Block Labs use?

LLM is named in 20% of job postings at Block Labs.

LLM 1 20% required in 100% · 1 open now · since Aug 2026

Which engineering practices does Block Labs ask for?

AI Agents is named in 100% of job postings at Block Labs, followed by Anomaly Detection (40%), SLI/SLO/SLA (40%), CI/CD (40%).

AI Agents 5 100% required in 100% · 5 open now · since Jun 2026
Anomaly Detection 2 40% required in 100% · 2 open now · since Jul 2026
SLI/SLO/SLA 2 40% required in 100% · 2 open now · since Jul 2026
CI/CD 2 40% required in 50% · 2 open now · since Jul 2026
Fine-tuning 1 20% required in 100% · 1 open now · since Aug 2026
Function Calling 1 20% required in 100% · 1 open now · since Aug 2026
Hallucination 1 20% required in 100% · 1 open now · since Aug 2026
LLM Evaluation 1 20% required in 100% · 1 open now · since Aug 2026
Show all (16)
LLM Guardrails1
Machine Learning1
RAG1
Structured Outputs1
Tool Use1
Feature Store1
IAM1
Reinforcement Learning1

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How modern is the Block Labs stack?

Cutting-edge AI adopter 76/100

Block Labs scores 76 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: 1; legacy ones: 0.

How common is the Block Labs stack in its industry?

Share of the 462 companies in the same industries, whose stack Alion knows, that use each technology.

Apache Kafka8%
ClickHouse3%
Go19%
Python40%
SQL26%
TypeScript34%
AWS28%
AWS Fargate1%
Airflow2%
Amazon ECS5%

Questions about the Block Labs tech stack

What programming languages does Block Labs use?

The languages named in Block Labs job postings are Go (40%), SQL (40%), TypeScript (40%), Python (40%), JavaScript (20%), as a share of the 5 postings of the last 12 months.

Does Block Labs use Apache Kafka?

Yes. Apache Kafka is named in 3 of 5 job postings (60%) and required in 2 of them.

What cloud and platforms does Block Labs use?

The cloud and platforms named in Block Labs job postings are Apache Kafka (3), AWS (1), AWS Fargate (1) (postings in brackets).

Is the Block Labs tech stack changing?

No new technology has appeared in Block Labs job postings in the last six months.

How modern is the Block Labs tech stack?

Block Labs scores 76 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: 1; legacy ones: 0.

How does Alion know the Block Labs tech stack?

Alion reads every job posting Block Labs publishes and tags the technologies each one names. The figures on this page count the 5 postings of the last 12 months and were updated on Oct 14, 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, "Block Labs tech stack: 57 technologies from 5 job postings", as of Oct 14, 2026. https://alion.io/company/blocklabs-2/technologies

Licence: CC BY-SA 4.0JSON