Ruby Labs is a self-funded technology company that develops subscription-based digital consumer products across the health, wellness, education, and entertainment sectors. Leveraging an engineering-led architecture and proprietary data analytics, the firm builds scalable mobile applications designed to reach tens of millions of active global users. Operating with a remote-first, data-driven approach, the company focuses on creating high-impact consumer apps backed by internal marketing automation and custom payment infrastructures.
HQ: Los Angeles, United States • Health Care • Wellness • Software • Mobile App Development
Senior • 6+ years exp • Remote (EU, Bosnia and Herzegovina, Montenegro, Serbia, Albania) • Full-Time • Senior
Node JS
Python
Ruby
TypeScript
JavaScript
Databases
Redis
PostgreSQL
AI/ML
Function Calling
LangChain
Langfuse
LlamaIndex
LLM
OpenRouter
Prompt Engineering
AI Agents
Claude
Claude Code
Cursor
Fine-tuning
Model Context Protocol
RAG
Windsurf
Anthropic
OpenAI
Frontend
Next.js
React.js
DevOps
Cloudflare
Analytics
A/B Testing
Marketing
Mixpanel
Toloka is a data company founded in 2014 and headquartered in Amsterdam that supplies human-generated training, fine-tuning and evaluation data for artificial intelligence systems. It began as a large-scale crowdsourcing platform and has repositioned around expert work, combining domain specialists, machine learning tooling and quality control pipelines to produce reasoning traces, preference rankings and agentic task data. Operating within the Nebius group and backed by Bezos Expeditions since 2025, the company serves frontier model laboratories and enterprises building their own systems.
HQ: Amsterdam, Netherlands • Machine Learning • Data & Analytics • Data Collection • LLM & Generative AI • Artificial Intelligence • 51-200 employees • Est. 2014
Remote (EU, United States, United Kingdom, Serbia) • Master's Degree • Freelance
Python
AI/ML
LLM
LoRA
NumPy
Pandas
PEFT
RAG
RLHF
Synthetic Data
Transformers
Anthropic
DPO
PPO
SFT
AI Agents
Fine-tuning
Poolside is a foundation model company bringing intelligence to everywhere work gets done. Our mission is to drive abundance for humanity by creating artificial general intelligence.
London • Hardware • LLM & Generative AI • Artificial Intelligence
Remote (EMEA, United States) • Full-Time
Go
AI/ML
Reinforcement Learning
AI Agents
DevOps
Kubernetes
Remote (EMEA, United States) • Full-Time
Python
AI/ML
LLM
Prompt Engineering
Synthetic Data
Tokenization
Post-training
Pre-training
AI Agents
Udacity is an online education company headquartered in Emeryville, California, and founded in 2011 by Sebastian Thrun, David Stavens, and Mike Sokolsky after a free Stanford artificial intelligence course. The company sells Nanodegree programs in areas such as programming, data science, artificial intelligence, cloud computing, and autonomous systems, built together with industry partners. It shifted toward enterprise and government reskilling contracts and was acquired by Accenture in 2024.
HQ: Emeryville, United States • Corporate Training • Vocational Education • Education • EdTech Platforms • E-learning • Est. 2011
≈ $105k – $233k per year (Estimated) • Senior • 5+ years exp • Remote (MENA, APAC, Europe, United States, Canada) • Visa sponsorship • Contractor • Senior
Bash
Python
SQL
AI/ML
AI Agents
Claude
Claude Code
Model Context Protocol
Prompt Engineering
Anthropic
Context Engineering
Human-in-the-Loop
OpenAI Agents SDK
Structured Outputs
Function Calling
DevOps
CI/CD
Git
Rest API
GitHub
Management
Slack
Pragmatike is a global remote recruitment and staffing platform that connects companies with top-tier technology professionals. The company specializes in human-curated talent matching, sourcing vetted software developers, product managers, and IT specialists for startups and enterprises worldwide. By streamlining the hiring process and offering flexible, project-based collaboration, it enables organizations to rapidly build and scale their distributed engineering teams.
HQ: Hanoi, Vietnam • Information Technology • IT Outsourcing • Professional Services • Human Resources
Middle • 4+ years exp • Dubai • Remote (United Arab Emirates, Bulgaria, Croatia, Czech Republic, Hungary) • Full-Time • Middle
Python
AI/ML
vLLM
TGI
CUDA Toolkit
Kubeflow
MLFlow
ROCm
DevOps
CI/CD
Platform Engineering
Terraform
Cybersecurity
GDPR
Hawk-Eye Innovations (part of Sony Sports Innovations Group) is a global leader in sports technology, computer vision, and officiating software headquartered in Basingstoke, United Kingdom. Founded in 2001 by Dr. Paul Hawkins, the company was acquired by Sony Corporation in 2011. Hawk-Eye is globally recognized for its optical ball-tracking, skeletal motion capture (SkeleTRACK), and synchronized multi-angle replay systems (SMART).
HQ: Basingstoke, United Kingdom • Media & Entertainment • Broadcasting • Sports • Sports Analytics • 11-50 employees • Est. 2001
Remote/Hybrid (Budapest, Hungary) • Full-Time
C++
Python
SQL
C++
OpenGL
Qt
AI/ML
Computer Vision
DevOps
AWS
Git
$40k – $60k per year (gross) • In office (Budapest, Hungary) • Full-Time
C++
AI/ML
Computer Vision
CUDA Toolkit
DevOps
Git
≈ $39k – $98k per year (Estimated) • Senior • Remote/Hybrid (Budapest, Hungary) • Full-Time • Senior
Python
C++
TypeScript
C++
PyTorch C++
CMake
AI/ML
Computer Vision
Ignite
PyTorch
TensorRT
ClearML
CUDA Toolkit
OpenCV
CUDA
DevOps
CI/CD
TeamCity
Management
Confluence
HQ: Paris, France
≈ $82k – $206k per year (Estimated) • Senior • Remote (Europe) • Full-Time • Senior
Java
Python
TypeScript
JavaScript
Java
Micronaut
Databases
Apache Kafka
ElasticSearch
MySQL
PostgreSQL
AI/ML
AI Agents
LangChain
LLM
Hugging Face
Frontend
Bootstrap
Vue.js
DevOps
AWS
Azure
Datadog
Docker
GCP
Kubernetes
Terraform
GitHub
New York • Artificial Intelligence • Government
$120k – $140k per year • Senior • 5+ years exp • Remote (LATAM, EMEA) • Bachelor's Degree • Full-Time • Senior
Python
Kotlin
AI/ML
Gemini
LLM
MLFlow
Weights & Biases
LangChain
Anthropic
OpenAI
LangGraph
LiteLLM
RAG
DevOps
CI/CD
Hugging Face is an American company, founded in 2016 and headquartered in New York, that runs the largest open platform for sharing machine learning models, datasets and demonstration applications. Its Hub hosts more than a million public models and is often described as the GitHub of machine learning, while its open-source libraries such as Transformers, Diffusers and Datasets are standard tools in research and production pipelines. The company earns revenue from paid Hub features, managed inference endpoints and enterprise deployments, and works with cloud and chip vendors to make open models easy to run anywhere.
HQ: New York, United States • Software • MLOps • Machine Learning • LLM & Generative AI • Artificial Intelligence • 201-500 employees • Est. 2016
≈ $69k – $165k per year (Estimated) • Paris • Remote (EMEA) • Full-Time
Python
AI/ML
Accelerate
Gradio
JAX
PyTorch
TensorFlow
Transformers
vLLM
Hugging Face
Fine-tuning
DevOps
GitHub
Management
Slack
Wise (formerly TransferWise) is a global financial technology company headquartered in London that specializes in cross-border money transfers and multi-currency payment solutions. The platform enables individuals and businesses to hold tens of currencies, transfer funds internationally using real mid-market exchange rates, and spend globally with low, transparent fees.
HQ: London, United Kingdom • Financial Services • FinTech • Payments • 1001-5000 employees
$76k – $97k per year • Lead • 2+ years exp • Remote/Hybrid (Budapest, Hungary) • Full-Time • Senior • English
Java
TypeScript
AI/ML
Embeddings
Fine-tuning
LLM
Prompt Engineering
RAG
Context Engineering
LLM Guardrails
AI Agents
Function Calling
DevOps
CI/CD
Rest API
Chips/EDA
PoC Library
MP Solutions (Maritime Planning Solutions) is a specialized marine engineering and traffic management consultancy that provides planning, design, and risk assessment services for maritime transport and waterfront infrastructure projects.
HQ: Budapest, Hungary • Transport Infrastructure • Science & Engineering • Marine & Ocean Engineering
≈ $45k – $115k per year (Estimated) • Senior • In office (Budapest, Hungary) • Senior
TRM Labs is a blockchain intelligence and financial crime prevention platform headquartered in San Francisco, California. The company provides law enforcement agencies, government bodies, regulatory organizations, and financial institutions with tools to monitor, detect, and investigate illicit cryptocurrency transactions and digital asset fraud.
HQ: San Francisco, United States • Cybersecurity • Blockchain & Crypto • Blockchain Analytics
Senior • 6+ years exp • São Paulo • Remote (LATAM, EEA, Europe, South America) • Full-Time • Senior
JavaScript
Python
TypeScript
Databases
pgvector
Pinecone
PostgreSQL
Redis
AI/ML
DeepEval
Langfuse
LangSmith
Anthropic
OpenAI
AI Agents
Frontend
React.js
Web3
TRM Labs
Management
Slack
n8n
Konsultavimas, finansavimas,skaitmeniniai sprendimai. Padedame vyriausybėms ir viešojo sektoriaus institucijoms rengti politikos sprendimus, skatinti ekonominį augimą ir įgyvendinti didelės apimties transformacijos programas.
Warsaw • Budapest • Bucharest • Bratislava • Vilnius • Wireless • 501-1000 employees
≈ $37k – $102k per year (Estimated) • Middle • 3+ years exp • Remote/Hybrid (Budapest, Hungary) • Full-Time • Middle • English: B2
Python
Python
Django
FastAPI
Databases
OpenSearch
AI/ML
Computer Vision
Embeddings
NLP
RAG
Reranking
Semantic Search
Transformers
Semantic Search
DevOps
AWS
Azure
Docker
GCP
Git
Vector
≈ $50k – $125k per year (Estimated) • Senior • 6+ years exp • Remote (EU) • Full-Time • Senior
Python
DevOps
AWS
Azure
CI/CD
Huzzle is an early careers platform connecting students, societies, and employers. Starting out as a CRM for pre-professional student societies, Huzzle has evolved into the university career companion used by over 100,000 talents in the UK.
HQ: London, United Kingdom • Professional Services • Education • Human Resources • 1001-5000 employees
≈ $62k – $106k per year (Estimated) • Junior • 2+ years exp • Remote (United States, United Kingdom, Australia, Canada, Hungary) • Full-Time • Junior
JavaScript
Python
AI/ML
Claude
Prompt Engineering
OpenAI
Management
Make.com
n8n
Zapier
Marketing
HubSpot
Salesforce
Signifyd is a company founded in 2011 that provides guaranteed fraud protection for online merchants. Its models decide in real time whether to approve an order and the company assumes the chargeback liability for approved transactions, aligning its incentives with the retailer. It draws on a commerce network spanning thousands of merchants to recognise shoppers across sites.
HQ: San Jose, United States • Artificial Intelligence • Fraud Detection • Cybersecurity • Est. 2011
≈ $44k – $111k per year (Estimated) • Equity • Senior • 3+ years exp • In office (Budapest, Hungary) • Master's Degree • Senior
Python
SQL
Python
pySpark
AI/ML
Spark
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Remote
Python
AI/ML
AI Agents
Embeddings
Fine-tuning
LLM
NER
NumPy
Pandas
Scikit-learn
spaCy
Tokenization
Hugging Face
Reinforcement Learning
RLHF
Web3
dYdX
Ethereum
Layer 2
Solana
Uniswap
ZkSync Era
Management
Slack
John Snow Labs is an award-winning healthcare AI company for rapid adoption of AI in healthcare and life sciences organizations, providing high-compliance AI platform, state-of-the-art NLP libraries, and data market.
Biotechnology • Medical AI • Artificial Intelligence • Est. 2015
$60k – $120k per year • Senior • 5+ years exp • Remote • Master's Degree • Contractor • Senior • English
Axolotl
Fine-tuning
llama.cpp
LLM
NLP
PEFT
Prompt Engineering
PyTorch
Quantization
RAG
Transformers
vLLM
DPO
PPO
SFT
TGI
CAST AI is an AI-driven cloud automation and Kubernetes cost optimization platform built to help enterprises manage, scale, and secure their cloud infrastructure. Founded in 2019 and headquartered in Miami, Florida, the company automates cloud operations across major hyper-scalers including Amazon Web Services (AWS), Google Cloud Platform (GCP), and Microsoft Azure.
HQ: Miami, United States • Information Technology • Virtualization • DevOps • 201-500 employees
Equity • Senior • Remote (EU) • Visa sponsorship • Internship • Senior
Python
Databases
ClickHouse
PostgreSQL
AI/ML
CUDA
CUDA Toolkit
LLM
Perplexity
PyTorch
Quantization
SGLang
TensorRT
TensorRT-LLM
TPOT
vLLM
Hugging Face
DevOps
Akamai
ArgoCD
AWS
Azure
GCP
GitLab CI
Grafana
Kubernetes
Loki
Prometheus
GitLab
ABBYY Timeline is a leading process mining software with advanced process discovery & task mining capabilities for end-to-end business process visibility.
HQ: Milpitas, United States • Cybersecurity • Artificial Intelligence • Data & Analytics • 501-1000 employees
$70k – $86k per year • Staff+ • 8+ years exp • Remote/Hybrid (Budapest, Hungary) • Master's Degree • Staff
Python
AI/ML
Computer Vision
Multimodal AI
Canonical is the publisher of Ubuntu, the world's most widely used Linux distribution, headquartered in London. Founded in 2004 by Mark Shuttleworth, the company provides enterprise-grade services, support, and security for open-source software, enabling organizations to deploy and manage workloads consistently across diverse environments. Their portfolio spans the entire compute spectrum - from public and private cloud infrastructure (OpenStack), container orchestration (Kubernetes/MicroK8s), and data center management to specialized edge and IoT computing.
HQ: London, United Kingdom • Artificial Intelligence • Software • Information Technology • 1001-5000 employees • Est. 2004
Lead • Remote (AMER, EMEA) • Staff
Python
AI/ML
Feast
Kubeflow
MLFlow
DevOps
AWS
Azure
Docker
GCP
Kubernetes
Ubuntu
