ProofofSkill tech stack
ProofofSkill builds mostly with Apex, Kotlin, Python, SQL. Its stack also includes AWS, AWS Lambda, Amazon Redshift, Snowflake. Apex is named in 1 of the 4 job postings ProofofSkill published in the last 12 months (25%). Counted by Alion from the job postings of ProofofSkill, updated Oct 26, 2026.
What programming languages does ProofofSkill use?
Apex is named in 25% of job postings at ProofofSkill, followed by Kotlin (25%), Python (25%), SQL (25%).
What frameworks and libraries does ProofofSkill use?
Flutter is named in 25% of job postings at ProofofSkill, followed by React Native (25%), Visualforce (25%), React.js (25%).
What databases does ProofofSkill use?
Amazon Redshift is named in 25% of job postings at ProofofSkill, followed by Snowflake (25%).
Amazon Redshift
1 25%
Snowflake
1 25%
What cloud and platforms does ProofofSkill use?
AWS is named in 25% of job postings at ProofofSkill, followed by AWS Lambda (25%), Amazon CloudWatch (25%), Amazon S3 (25%).
AWS
1 25%
AWS Lambda
1 25%
Azure
1 25%
Databricks
1 25%
Figma
1 25%
Show all (9)
What developer tools does ProofofSkill use?
Git is named in 50% of job postings at ProofofSkill, followed by Adobe Photoshop (25%), Rest API (25%), pySpark (25%).
Which engineering practices does ProofofSkill ask for?
CI/CD is named in 25% of job postings at ProofofSkill, followed by ETL/ELT (25%), SOAP (25%).
How does your stack fit ProofofSkill?
How modern is the ProofofSkill stack?
ProofofSkill 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: 0; legacy ones: 0.
How common is the ProofofSkill stack in its industry?
Share of the 3,110 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like ProofofSkill
Questions about the ProofofSkill tech stack
What programming languages does ProofofSkill use?
The languages named in ProofofSkill job postings are Apex (25%), Kotlin (25%), Python (25%), SQL (25%), Swift (25%), as a share of the 4 postings of the last 12 months.
What cloud and platforms does ProofofSkill use?
The cloud and platforms named in ProofofSkill job postings are AWS (1), AWS Lambda (1), Amazon CloudWatch (1) (postings in brackets).
Is the ProofofSkill tech stack changing?
No new technology has appeared in ProofofSkill job postings in the last six months.
How modern is the ProofofSkill tech stack?
ProofofSkill 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: 0; legacy ones: 0.
How does Alion know the ProofofSkill tech stack?
Alion reads every job posting ProofofSkill publishes and tags the technologies each one names. The figures on this page count the 4 postings of the last 12 months and were updated on Oct 26, 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, "ProofofSkill tech stack: 29 technologies from 4 job postings", as of Oct 26, 2026. https://alion.io/company/proofofskill/technologies