Upstage tech stack

Upstage builds mostly with Python, Java, C++, Go. Its stack also includes AWS, Azure, PoC Library, CUDA. LLM is named in 35 of the 38 job postings Upstage published in the last 12 months (92%). Counted by Alion from the job postings of Upstage, updated Sep 27, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 27, 2026
Technologies in use
91
Postings analysed
38
Open now
38
Modernity
84 /100
New in 6 months
8

What programming languages does Upstage use?

Python is named in 26% of job postings at Upstage, followed by Java (13%), C++ (11%), Go (11%).

Python 10 26% required in 90% · 10 open now · since Dec 2025
Java 5 13% required in 100% · 5 open now · since Dec 2025
C++ 4 11% required in 100% · 4 open now · since Mar 2026
Go 4 11% required in 100% · 4 open now · since Dec 2025
TypeScript 3 8% required in 100% · 3 open now · since Mar 2026
SQL 2 5% required in 100% · 2 open now · since Jul 2026
Bash 1 3% required in 100% · 1 open now · since May 2026
Node JS 1 3% required in 100% · 1 open now · since Sep 2026
Show all (10)
Rust1
JavaScript1

What frameworks and libraries does Upstage use?

PoC Library is named in 18% of job postings at Upstage, followed by CUDA (8%), LangChain (8%), SGLang (5%).

PoC Library 7 18% required in 100% · 7 open now · since Dec 2025
CUDA 3 8% required in 100% · 3 open now · since May 2026
LangChain 3 8% required in 100% · 3 open now · since Mar 2026
SGLang 2 5% required in 100% · 2 open now · since May 2026
TensorRT-LLM 2 5% required in 100% · 2 open now · since May 2026
Transformers 2 5% required in 100% · 2 open now · since May 2026
Triton 2 5% required in 100% · 2 open now · since May 2026
CUTLASS 1 3% required in 100% · 1 open now · since May 2026
Show all (15)
FastAPI1
LangGraph1
MLIR1
NCCL1
Nest.JS1
PyTorch1
XLA1

What databases does Upstage use?

Snowflake is named in 5% of job postings at Upstage, followed by PostgreSQL (3%), Redis (3%).

Snowflake 2 5% required in 100% · 2 open now · since Dec 2025
PostgreSQL 1 3% required in 100% · 1 open now · since Sep 2026
Redis 1 3% required in 100% · 1 open now · since Sep 2026

What cloud and platforms does Upstage use?

AWS is named in 34% of job postings at Upstage, followed by Azure (26%), Kubernetes (21%), GCP (18%).

AWS 13 34% required in 100% · 13 open now · since Dec 2025
Azure 10 26% required in 100% · 10 open now · since Dec 2025
Kubernetes 8 21% required in 100% · 8 open now · since Dec 2025
GCP 7 18% required in 100% · 7 open now · since Dec 2025
CUDA Toolkit 3 8% required in 100% · 3 open now · since May 2026
Grafana 3 8% required in 100% · 3 open now · since Dec 2025
vLLM 2 5% required in 100% · 2 open now · since May 2026
Amazon EKS 1 3% required in 100% · 1 open now · since Feb 2026
Show all (16)
Anthropic1
Figma1
GitHub1
GitHub Actions1
Linux1
OpenAI1
TGI1
Unix1

What developer tools does Upstage use?

Docker is named in 16% of job postings at Upstage, followed by Git (11%), ArgoCD (8%), Prometheus (8%).

Docker 6 16% required in 100% · 6 open now · since Dec 2025
Git 4 11% required in 100% · 4 open now · since Dec 2025
ArgoCD 3 8% required in 100% · 3 open now · since Feb 2026
Prometheus 3 8% required in 100% · 3 open now · since Dec 2025
Apache Tomcat 2 5% required in 100% · 2 open now · since Dec 2025
Claude Code 2 5% required in 100% · 2 open now · since Sep 2026
Cursor 2 5% required in 100% · 2 open now · since Sep 2026
Helm 2 5% required in 100% · 2 open now · since May 2026
Show all (17)
TPU2
Terraform2
TensorRT2
Ansible1
KEDA1
Kustomize1
Model Context Protocol1
Rest API1
cert-manager1

What AI and ML technologies does Upstage use?

LLM is named in 92% of job postings at Upstage, followed by VLM (24%), ChatGPT (5%), Claude (3%).

LLM 35 92% required in 100% · 35 open now · since Dec 2025
VLM 9 24% required in 100% · 9 open now · since Dec 2025
ChatGPT 2 5% required in 100% · 2 open now · since Sep 2026
Claude 1 3% required in 100% · 1 open now · since Sep 2026

Which engineering practices does Upstage ask for?

OCR is named in 45% of job postings at Upstage, followed by AI Agents (24%), NLP (21%), CI/CD (16%).

OCR 17 45% required in 100% · 17 open now · since Dec 2025
AI Agents 9 24% required in 100% · 9 open now · since Dec 2025
NLP 8 21% required in 100% · 8 open now · since Dec 2025
CI/CD 6 16% required in 100% · 6 open now · since Dec 2025
Post-training 5 13% required in 100% · 5 open now · since Dec 2025
RAG 5 13% required in 100% · 5 open now · since Mar 2026
Computer Use 4 11% required in 100% · 4 open now · since Dec 2025
Function Calling 4 11% required in 100% · 4 open now · since Dec 2025
Show all (26)
Tool Use4
GitOps3
RLHF3
Reinforcement Learning3
Reward Modeling3
KV Cache2
Multimodal AI2
Speculative Decoding2
DNS1
Error Budget1
FinOps1
IAM1
Machine Learning1
Mixture of Experts1
Pre-training1
Quantization1
SLI/SLO/SLA1
Service Mesh1

What does each Upstage team work with?

The technologies each team's postings require most often, with the number of postings that require them.

AI/ML

11 postings
LLM10
VLM7
Python3
AWS2
Azure2
C++2

Solutions

5 postings
AWS4
LLM4
Docker3
GCP3
Kubernetes3
Python3

Management

4 postings
LLM4
PoC Library3

DevOps

3 postings
Azure3
Docker3
Kubernetes3
AWS2
Apache Tomcat2
GCP2

See the open roles

How does your stack fit Upstage?

Sign in to compare your skills with this stack and see which open roles fit you.
Sign In

How is the Upstage 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.

First appeared
ChatGPTSep 2026
Claude CodeSep 2026
CursorSep 2026
SQLJul 2026
HelmMay 2026
CUDAMay 2026
CUDA ToolkitMay 2026
KV CacheMay 2026
Not named for 6 months
RLHFFeb 2026
Reinforcement LearningFeb 2026
Reward ModelingFeb 2026
SnowflakeMar 2026
Apache TomcatDec 2025

How modern is the Upstage stack?

Cutting-edge AI adopter 84/100

Upstage scores 84 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: 4; legacy ones: 0.

How common is the Upstage stack in its industry?

Share of the 466 companies in the same industries, whose stack Alion knows, that use each technology.

LLM55%
AWS55%
Azure39%
Python73%
VLM5%
Kubernetes46%
GCP43%
PoC Library5%
Java19%
C++21%

Questions about the Upstage tech stack

What programming languages does Upstage use?

The languages named in Upstage job postings are Python (26%), Java (13%), C++ (11%), Go (11%), TypeScript (8%), as a share of the 38 postings of the last 12 months.

Does Upstage use PoC Library?

Yes. PoC Library is named in 7 of 38 job postings (18%) and required in 7 of them.

What cloud and platforms does Upstage use?

The cloud and platforms named in Upstage job postings are AWS (13), Azure (10), Kubernetes (8) (postings in brackets).

What skills do you need for a AI/ML job at Upstage?

AI/ML postings at Upstage most often require LLM (10), VLM (7), Python (3), AWS (2), out of 11 postings in the last 12 months.

Is the Upstage tech stack changing?

Yes. ChatGPT, Claude Code, Cursor, SQL first appeared in Upstage job postings in the last six months.

How modern is the Upstage tech stack?

Upstage scores 84 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: 4; legacy ones: 0.

How does Alion know the Upstage tech stack?

Alion reads every job posting Upstage publishes and tags the technologies each one names. The figures on this page count the 38 postings of the last 12 months and were updated on Sep 27, 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, "Upstage tech stack: 91 technologies from 38 job postings", as of Sep 27, 2026. https://alion.io/company/upstage/technologies

Licence: CC BY-SA 4.0JSON