Occupations · Computer and Mathematical

Blockchain Engineers

Maintain and support distributed and decentralized blockchain-based networks or block-chain applications such as cryptocurrency exchange, payment processing, document sharing, and digital voting. Design and deploy secure block-chain design patterns and solutions over geographically distributed networks using advanced technologies. May assist with infrastructure setup and testing for application transparency and security.

O*NET 30.3 Database (USDOL/ETA) · occupation code 15-1299.07

Software and tools

A dot marks what O*NET flags as in demand.

Amazon Web Services AWS CloudFormation●Amazon Web Services AWS software●Ansible software●Apache Kafka●Atlassian Confluence●Atlassian JIRA●C●C#●C++●Docker●Git●GitHub●Go●Google Angular●Grafana Labs Grafana Cloud●IBM Terraform●JavaScript●Jenkins CI●Kubernetes●Linux●Microsoft Azure software●MongoDB●MySQL●NoSQL●Node.js●Oracle Java●PostgreSQL●Python●

O*NET 30.3 software skills · hot-technology flag

What this work is actually like

Conditions rated against the average across all occupations — only what makes this job different is listed.

4 / 5Considerable preparation — a four-year degree plus several years in the field.

O*NET 30.3 Job Zones

What kind of person the work suits

Occupational interest profile, rated 1 to 7.

Conventional5.7

Investigative5.3

Realistic3.4

O*NET 30.2 occupational interests (RIASEC)

How this job is advertised

The same work is posted under many titles — this is what to search for.

EngineerSystems EngineerCodebase EngineerFirmware EngineerSecurity EngineerAlgorithm EngineerBlockchain AnalystAutomation EngineerBlockchain EngineerIntegration EngineerBlockchain ArchitectBlockchain DeveloperBlockchain Web DesignerTechnical Platform Engineer

O*NET 30.3 job titles reported for this occupation

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What changed since 2022

Comparing O*NET release 27.1 (2022-11-01) with 30.3 (2026-05-01). Signs, not colour alone, carry the meaning.

Now listed 11

+Ansible software+Atlassian Confluence+Low-level virtual machine LLVM compilers+Web framework software+Spring Boot+C+MySQL+Amazon Elastic Container Service ECS+Enterprise application integration EAI software+Source code editor software+Amazon Web Services AWS CloudFormation

No longer listed 1

−Operating system software

Diff across the O*NET releases held here in full since October 2015, following occupations through merges and retirements. O*NET re-surveys occupations on a rolling cycle, so “no change” can also mean “not re-surveyed”.

O*NET 30.3 related occupations

Also called

EngineerSystems EngineerSecurity EngineerCodebase EngineerFirmware EngineerAlgorithm EngineerBlockchain AnalystBlockchain EngineerAutomation EngineerBlockchain ArchitectBlockchain DeveloperIntegration Engineer

O*NET 30.3 alternative titles

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