Shifter tech stack
Shifter builds mostly with Java, Python, C++, C#. Its stack also includes Vespa, Perplexity, GitHub, LangChain. Vespa is named in 8 of the 8 job postings Shifter published in the last 12 months (100%). Counted by Alion from the job postings of Shifter, updated Oct 13, 2026.
What programming languages does Shifter use?
Java is named in 75% of job postings at Shifter, followed by Python (63%), C++ (25%), C# (13%).
C++ 
What frameworks and libraries does Shifter use?
LangChain is named in 25% of job postings at Shifter, followed by JUnit (25%), OpenTelemetry (25%), Mantine (13%).
LangChain
2 25%
JUnit
2 25%
OpenTelemetry
2 25%
Mantine
1 13%
Next.js
1 13%
React.js
1 13%
LlamaIndex
1 13%
Show all (9)
What databases does Shifter use?
Vespa is named in 100% of job postings at Shifter, followed by Apache Solr (13%), ElasticSearch (13%), OpenSearch (13%).
What cloud and platforms does Shifter use?
Perplexity is named in 88% of job postings at Shifter, followed by GitHub (88%), Grafana (88%), AWS (63%).
Perplexity
7 88%
GitHub
7 88%
Grafana
7 88%
AWS
5 63%
Azure
5 63%
GCP
5 63%
Buildkite
4 50%
GitHub Actions
4 50%
Show all (11)
What developer tools does Shifter use?
Apache HTTP Server is named in 25% of job postings at Shifter, followed by ONNX (25%), Docker (25%), Podman (25%).
ONNX
2 25%
Docker
2 25%
Podman
2 25%
gRPC
2 25%
Maven
2 25%
Prometheus
2 25%
Terraform
2 25%
Show all (10)
What AI and ML technologies does Shifter use?
LLM is named in 13% of job postings at Shifter.
LLM
1 13%
Which engineering practices does Shifter ask for?
RAG is named in 50% of job postings at Shifter, followed by CI/CD (38%), Hybrid Search (25%), Incident Management (25%).
RAG
4 50%
CI/CD
3 38%
Hybrid Search
2 25%
Incident Management
2 25%
Embeddings
2 25%
AI Agents
1 13%
How does your stack fit Shifter?
How is the Shifter 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 Shifter stack?
Shifter scores 78 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 Shifter stack in its industry?
Share of the 260 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Shifter apart
Companies with a stack like Shifter
Questions about the Shifter tech stack
What programming languages does Shifter use?
The languages named in Shifter job postings are Java (75%), Python (63%), C++ (25%), C# (13%), Go (13%), as a share of the 8 postings of the last 12 months.
Does Shifter use LangChain?
Yes. LangChain is named in 2 of 8 job postings (25%) and required in 1 of them.
What cloud and platforms does Shifter use?
The cloud and platforms named in Shifter job postings are Perplexity (7), GitHub (7), Grafana (7) (postings in brackets).
Is the Shifter tech stack changing?
Yes. Apache HTTP Server, Embeddings, gRPC, JUnit first appeared in Shifter job postings in the last six months.
How modern is the Shifter tech stack?
Shifter scores 78 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 Shifter tech stack?
Alion reads every job posting Shifter publishes and tags the technologies each one names. The figures on this page count the 8 postings of the last 12 months and were updated on Oct 13, 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, "Shifter tech stack: 51 technologies from 8 job postings", as of Oct 13, 2026. https://alion.io/company/shifter/technologies