Peak tech stack
Peak builds mostly with C#, JavaScript, Java. Its stack also includes ElasticSearch, Redis, Spring Boot, Unity. C# is named in 3 of the 3 job postings Peak published in the last 12 months (100%). Counted by Alion from the job postings of Peak, updated Oct 10, 2026.
What programming languages does Peak use?
C# is named in 100% of job postings at Peak, followed by JavaScript (67%), Java (67%).
What frameworks and libraries does Peak use?
Spring Boot is named in 67% of job postings at Peak, followed by Unity (33%).
Spring Boot
2 67%
Unity
1 33%
What databases does Peak use?
ElasticSearch is named in 67% of job postings at Peak, followed by Redis (67%), Memcached (33%).
Which engineering practices does Peak ask for?
A/B Testing is named in 33% of job postings at Peak.
What does each Peak team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
3 postingsHow does your stack fit Peak?
How modern is the Peak stack?
Peak scores 74 out of 100 (Modern). 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 Peak stack in its industry?
Share of the 304 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Peak
Questions about the Peak tech stack
What programming languages does Peak use?
The languages named in Peak job postings are C# (100%), JavaScript (67%), Java (67%), as a share of the 3 postings of the last 12 months.
Does Peak use Spring Boot?
Yes. Spring Boot is named in 2 of 3 job postings (67%) and required in 2 of them.
What skills do you need for a Backend job at Peak?
Backend postings at Peak most often require C# (2), Docker (2), ElasticSearch (2), JavaScript (2), out of 3 postings in the last 12 months.
Is the Peak tech stack changing?
No new technology has appeared in Peak job postings in the last six months.
How modern is the Peak tech stack?
Peak scores 74 out of 100 (Modern). 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 Peak tech stack?
Alion reads every job posting Peak publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Oct 10, 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, "Peak tech stack: 10 technologies from 3 job postings", as of Oct 10, 2026. https://alion.io/company/peak-com/technologies