UCloud tech stack

UCloud builds mostly with C++, Python, Go, Kotlin. Its stack also includes CUDA Toolkit, CUDA, PyTorch, GitHub. C++ is named in 5 of the 14 job postings UCloud published in the last 12 months (36%). Counted by Alion from the job postings of UCloud, updated Oct 16, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 16, 2026
Technologies in use
50
Postings analysed
14
Open now
14
Modernity
82 /100
New in 6 months
8

What programming languages does UCloud use?

C++ is named in 36% of job postings at UCloud, followed by Python (29%), Go (21%), Kotlin (14%).

C++ 5 36% required in 100% · 5 open now · since Sep 2025
Python 4 29% required in 100% · 4 open now · since Jun 2025
Go 3 21% required in 100% · 3 open now · since Jun 2025
Kotlin 2 14% optional · 2 open now · since Aug 2026
Java 1 7% required in 100% · 1 open now · since Jun 2025
JavaScript 1 7% required in 100% · 1 open now · since Oct 2025

What frameworks and libraries does UCloud use?

CUDA is named in 36% of job postings at UCloud, followed by PyTorch (36%), SGLang (29%), NCCL (21%).

CUDA 5 36% required in 100% · 5 open now · since Mar 2025
PyTorch 5 36% required in 100% · 5 open now · since Dec 2025
SGLang 4 29% required in 100% · 4 open now · since Dec 2025
NCCL 3 21% required in 100% · 3 open now · since Sep 2024
CUTLASS 2 14% required in 100% · 2 open now · since May 2026
Kotlin Multiplatform 2 14% required in 100% · 2 open now · since Aug 2026
PyTorch C++ 2 14% required in 100% · 2 open now · since Dec 2025
Triton 2 14% required in 100% · 2 open now · since May 2026
Show all (16)
Accelerate1
DeepSpeed1
Flink1
Hadoop1
Megatron-LM1
TensorFlow1
TensorFlow C++1
Transformers1

What databases does UCloud use?

HBase is named in 14% of job postings at UCloud, followed by ClickHouse (7%), ElasticSearch (7%), OpenSearch (7%).

HBase 2 14% required in 100% · 2 open now · since Jan 2026
ClickHouse 1 7% required in 100% · 1 open now · since Sep 2026
ElasticSearch 1 7% required in 100% · 1 open now · since Sep 2026
OpenSearch 1 7% required in 100% · 1 open now · since Sep 2026
StarRocks 1 7% required in 100% · 1 open now · since Sep 2026

What cloud and platforms does UCloud use?

CUDA Toolkit is named in 36% of job postings at UCloud, followed by GitHub (21%), Kubernetes (14%), Linux (14%).

CUDA Toolkit 5 36% required in 100% · 5 open now · since Mar 2025
GitHub 3 21% required in 67% · 3 open now · since Dec 2025
Kubernetes 2 14% required in 100% · 2 open now · since Jul 2025
Linux 2 14% required in 100% · 2 open now · since Sep 2024
vLLM 2 14% required in 100% · 2 open now · since Dec 2025
Apache Kafka 1 7% required in 100% · 1 open now · since Jun 2025
Spark 1 7% required in 100% · 1 open now · since Sep 2026

What developer tools does UCloud use?

Cursor is named in 21% of job postings at UCloud, followed by Docker (14%), OpenAI Codex (14%), OpenStack (14%).

Cursor 3 21% required in 100% · 3 open now · since Aug 2026
Docker 2 14% required in 100% · 2 open now · since Oct 2025
OpenAI Codex 2 14% required in 100% · 2 open now · since Aug 2026
OpenStack 2 14% required in 100% · 2 open now · since Sep 2026
TensorRT 2 14% required in 100% · 2 open now · since May 2026
NVLink 2 14% required in 50% · 2 open now · since Dec 2025
Ansible 1 7% required in 100% · 1 open now · since Sep 2026
Claude Code 1 7% required in 100% · 1 open now · since Sep 2026
Show all (10)
Copilot1
InfiniBand1

What AI and ML technologies does UCloud use?

Stable Diffusion is named in 14% of job postings at UCloud, followed by YOLO (14%), ResNet (7%).

Stable Diffusion 2 14% required in 100% · 2 open now · since Dec 2025
YOLO 2 14% required in 100% · 2 open now · since Dec 2025
ResNet 1 7% required in 100% · 1 open now · since Dec 2025

Which engineering practices does UCloud ask for?

Speculative Decoding is named in 14% of job postings at UCloud, followed by Fine-tuning (7%), HPC (7%).

Speculative Decoding 2 14% required in 100% · 2 open now · since May 2026
Fine-tuning 1 7% required in 100% · 1 open now · since Dec 2025
HPC 1 7% optional · 1 open now · since Dec 2025

What does each UCloud team work with?

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

Backend

8 postings
C++3
Cursor3
Go3
GitHub2
HBase2
Kotlin Multiplatform2

AI/ML

3 postings
CUDA3
CUDA Toolkit3
PyTorch3
SGLang3
CUTLASS2
TensorRT2

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How is the UCloud 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
OpenStackSep 2026
CursorAug 2026
Kotlin MultiplatformAug 2026
OpenAI CodexAug 2026
KotlinAug 2026
CUTLASSMay 2026
Speculative DecodingMay 2026
TensorRTMay 2026

How modern is the UCloud stack?

Cutting-edge AI adopter 82/100

UCloud scores 82 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: 3; legacy ones: 0.

How common is the UCloud stack in its industry?

Share of the 388 companies in the same industries, whose stack Alion knows, that use each technology.

C++19%
CUDA12%
CUDA Toolkit13%
PyTorch15%
Python59%
SGLang8%
GitHub23%
Go28%
NCCL9%
CUTLASS2%

Questions about the UCloud tech stack

What programming languages does UCloud use?

The languages named in UCloud job postings are C++ (36%), Python (29%), Go (21%), Kotlin (14%), Java (7%), as a share of the 14 postings of the last 12 months.

Does UCloud use CUDA?

Yes. CUDA is named in 5 of 14 job postings (36%) and required in 5 of them.

What cloud and platforms does UCloud use?

The cloud and platforms named in UCloud job postings are CUDA Toolkit (5), GitHub (3), Kubernetes (2) (postings in brackets).

What skills do you need for a Backend job at UCloud?

Backend postings at UCloud most often require C++ (3), Cursor (3), Go (3), GitHub (2), out of 8 postings in the last 12 months.

Is the UCloud tech stack changing?

Yes. OpenStack, Cursor, Kotlin Multiplatform, OpenAI Codex first appeared in UCloud job postings in the last six months.

How modern is the UCloud tech stack?

UCloud scores 82 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: 3; legacy ones: 0.

How does Alion know the UCloud tech stack?

Alion reads every job posting UCloud publishes and tags the technologies each one names. The figures on this page count the 14 postings of the last 12 months and were updated on Oct 16, 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, "UCloud tech stack: 50 technologies from 14 job postings", as of Oct 16, 2026. https://alion.io/company/ucloud/technologies

Licence: CC BY-SA 4.0JSON