At SEON, we're fraud fighters. Our products are designed around two core goals: deliver effective risk prevention, and give businesses complete freedom in how they fight fraud. Above all, we build strong relationships with all our clients to share...
Budapest • London • Austin • Cybersecurity • Fraud Detection • Est. 2017
$57k – $78k per year • Senior • 5+ years exp • Remote/Hybrid (Budapest, Hungary) • Full-Time • Senior • English: C1
Node JS
Python
TypeScript
JavaScript
DevOps
AWS
Docker
Kubernetes
Analytics
ETL/ELT
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
Python
AI/ML
LLM
Prompt Engineering
Synthetic Data
Tokenization
Post-training
Pre-training
AI Agents
Remote (EMEA, United States) • Full-Time
Go
AI/ML
Reinforcement Learning
AI Agents
DevOps
Kubernetes
Tryolabs is a specialized AI and machine learning solutions company that helps companies create business value by partnering with them through their AI journey.
Data & Analytics • Machine Learning • Artificial Intelligence • Est. 2009
≈ $107k – $237k per year (Estimated) • Senior • Remote • Full-Time • Senior
Python
AI/ML
Scikit-learn
XGBoost
DevOps
AWS
Azure
CI/CD
GCP
Terraform
Neurons Lab helps financial institutions move from AI-curious to AI-enabled. We deliver AI training programs and custom AI agents designed for regulated environments — from pilot to production, at scale.
Madrid • AI Agents • Financial Services • Artificial Intelligence • 501-1000 employees • Est. 2019
≈ $77k – $138k per year (Estimated) • Staff+ • 6+ years exp • Remote (Bulgaria, Cyprus, Czech Republic, Hungary, Italy) • Contractor • Architect • English
Python
TypeScript
AI/ML
AWS Bedrock
Claude
Copilot
Langfuse
LLM
Prompt Engineering
LLM Guardrails
LiveKit
Mobile
Twilio
DevOps
AWS
Chips/EDA
PoC Library
Analytics
A/B Testing
≈ $74k – $129k per year (Estimated) • Lead • Madrid • Remote (Germany, Bulgaria, Cyprus, Czech Republic, Hungary) • Full-Time • Staff • Ukrainian
AWS Bedrock
Claude
Claude Code
Cursor
LiteLLM
LLM
OpenRouter
LLM Guardrails
OpenAI Codex
AI Agents
Model Context Protocol
DevOps
AWS
Our core values tell our story:Excellence. Creativity. Integrity. Teamwork. Empathy.
San Diego • Zurich • Artificial Intelligence • Design & Creative • Financial Services • Software • IT Consulting • Information Technology • 201-500 employees
≈ $118k – $260k per year (Estimated) • Staff+ • 10+ years exp • Remote (Europe) • Bachelor's Degree • Architect
Python
SQL
Databases
MySQL
PostgreSQL
Snowflake
AI/ML
AI Agents
Anomaly Detection
Claude
Embeddings
Fine-tuning
Function Calling
Hallucination
LLM
NLP
NumPy
Pandas
Prompt Engineering
PyTorch
RAG
Reranking
Scikit-learn
Sentiment Analysis
Spark
TensorFlow
Vertex AI
Amazon SageMaker
Anthropic
Context Engineering
Hugging Face
Human-in-the-Loop
Structured Outputs
Claude Code
LangChain
LangGraph
LlamaIndex
Model Context Protocol
Semantic Kernel
LLM Guardrails
LLMOps
DevOps
AWS
AWS Lambda
Azure
GCP
Vector
Amazon S3
CI/CD
Docker
Kubernetes
Analytics
Matplotlib
Power BI
Seaborn
Tableau
ETL/ELT
Management
ServiceNow
Deutsche Telekom is a leading global telecommunications company and the largest network provider in Europe by revenue. Headquartered in Bonn, Germany, the firm offers fixed-line broadband, mobile network services, internet solutions, and enterprise IT services worldwide. It is best known internationally for its mobile operations under the T-Mobile brand and its corporate IT services division, T-Systems.
HQ: Bonn, Germany • Broadband • Telecommunications • Mobile Networks • 1001-5000 employees
≈ $44k – $110k per year (Estimated) • Senior • Remote/Hybrid (Budapest, Hungary) • Full-Time • Senior • Hungarian
Java
Python
TypeScript
JavaScript
Java
Spring Boot
Databases
ElasticSearch
OpenSearch
pgvector
Pinecone
PostgreSQL
Qdrant
Weaviate
AI/ML
LangChain
LangGraph
LangSmith
LLM
Prompt Engineering
RAG
LLMOps
OpenAI
Function Calling
Model Context Protocol
AI Agents
Frontend
Angular
DevOps
Azure
CI/CD
Docker
Grafana
Kubernetes
OpenTelemetry
Prometheus
GitLab
Management
n8n
≈ $31k – $92k per year (Estimated) • Junior • 2+ years exp • Remote/Hybrid (Budapest, Hungary) • Full-Time • Senior
Python
Python
FastAPI
AI/ML
Aider
Claude
Claude Code
Cline
Code Llama
Cursor
DeepSeek
DeepSeek-Coder
LangChain
Llama
LlamaIndex
LLM
Mistral
Prompt Engineering
Qwen
RAG
StarCoder
Windsurf
DevOps
CI/CD
Docker
Git
Helm
Jenkins
Kubernetes
OpenStack
GitHub
GitLab
≈ $45k – $114k per year (Estimated) • Senior • 5+ years exp • Remote/Hybrid (Budapest, Hungary) • Full-Time • Senior
Python
Databases
Qdrant
AI/ML
llama.cpp
LLM
Ollama
Open WebUI
vLLM
OpenAI
DevOps
Ansible
ArgoCD
GitOps
Helm
Kubernetes
Platform Engineering
Terraform
Vector
Red Hat is the world’s leading provider of open source solutions, using a community-powered approach to provide reliable and high-performing cloud, virtualization, storage, Linux, and middleware technologies. Red Hat also offers award-winning support, training, and consulting services.
HQ: Somerville, United States • Software • Artificial Intelligence • Information Technology • 1001-5000 employees • Est. 1993
≈ $109k – $238k per year (Estimated) • Staff+ • 5+ years exp • United Kingdom • Ireland • Remote (EMEA) • Full-Time • Architect • English: C1
Fine-tuning
Edge AI
LLM Guardrails
AI Agents
DevOps
Kubernetes
OpenShift
Red Hat
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
Neo4j is the world's leading graph database platform, engineered specifically to store, query, and analyze highly connected data. Unlike traditional relational databases that rely on rigid tables and costly JOIN operations, Neo4j models data naturally using nodes (entities), relationships (connections), and properties (key-value attributes).
HQ: San Mateo, United States • Big Data • Information Technology • Database Management
Lead • Remote (EMEA) • Cofounder • Staff
Neo4j
AI/ML
Knowledge Graph
Instructure is an education technology company headquartered in Salt Lake City, Utah, and founded in 2008. The company develops the Canvas learning management system along with the assessment, credentialing, and analytics products that make up its Instructure Learning Platform. Its software is used by schools, universities, and employers in more than 100 countries, and the company has been owned by the private equity firm KKR since 2024.
HQ: Salt Lake City, United States • Software • Higher Education • EdTech Platforms • Education • Learning Management Systems • Est. 2008
$57k – $83k per year • Senior • In office (Budapest, Hungary) • Full-Time • Senior
Python
AI/ML
Edge AI
Recommender Systems
Synthesia is an AI video generation platform that enables users to create professional, studio-quality videos from plain text scripts without needing traditional cameras or film crews. The platform utilizes hyper-realistic digital avatars and natural synthetic voice models to deliver localized video content across dozens of languages in minutes. Widely adopted by corporate enterprises, Synthesia streamlines corporate training, customer onboarding, and internal communications at scale.
HQ: London, United Kingdom • Software • Artificial Intelligence • Generative Video • Video & Image Processing Software • 51-200 employees • Est. 2017
≈ $93k – $236k per year (Estimated) • Senior • Remote (Europe) • Full-Time • Senior
Python
AI/ML
DeepSpeed
Diffusion Models
PyTorch
FSDP
CUDA
CUDA Toolkit
DevOps
CI/CD
Datadog
AWS
Docker
SLURM
GitHub
Design
Webflow
Management
Miro
Remote (Europe) • Full-Time
Python
AI/ML
AI Agents
LLM
DevOps
Datadog
GitHub Actions
Kubernetes
Terraform
GitHub
Design
Webflow
Management
Miro
≈ $136k – $298k per year (Estimated) • Staff+ • Remote (Europe) • Full-Time • Staff
Fine-tuning
Knowledge Distillation
Multimodal AI
PyTorch
Tokenization
DPO
Post-training
Time Series Forecasting
Diffusion Models
DevOps
Datadog
Design
Webflow
Management
Miro
Turn your product knowledge into an agent that answers, troubleshoots, and resolves. For humans and for the agents they.
New York • Cybersecurity • Artificial Intelligence • AI Agents • 11-50 employees
$100k – $170k per year • Equity 0.1–0.2% • Middle • 3+ years exp • Remote (Germany, France, Russia, United Kingdom, Austria) • Master's Degree • Full-Time • Middle
Embeddings
Fine-tuning
RAG
AI Agents
DevOps
Docker
Solidgate is a financial technology company headquartered in London, United Kingdom, and founded in 2018. The company provides a payment orchestration platform that enables businesses to manage multiple payment service providers, optimize transaction routing, and handle subscription billing, fraud prevention, and tax calculation. It serves global clients in the software-as-a-service and e-commerce sectors, offering infrastructure that supports card acquiring, alternative payment methods, and multi-currency treasury operations.
HQ: London, United Kingdom • Commerce • Fraud Detection • Cybersecurity • Billing & Invoicing • Software • FinTech • Financial Services • Payments • 201-500 employees • Est. 2018
≈ $81k – $206k per year (Estimated) • Senior • 5+ years exp • Remote (Europe) • Full-Time • Senior
Edge AI
Analytics
A/B Testing
Sword Health is pioneering AI Care-an AI-first approach to healthcare that combines artificial intelligence with clinical expertise to improve access, outcomes, and cost at scale. Initially transforming pain care with AI at its core, Sword has expanded into women's health, movement health, and mental health, delivering hyper-personalized treatment programs available anytime, anywhere. Since 2020, more than 700,000 members across three continents have completed over 10 million AI sessions, helping 1,000+ enterprise clients-including employers, health plans, and governments-avoid more than $1 billion in unnecessary healthcare costs.
Porto • Medical AI • Physical Therapy • Digital Health • Est. 2014
$70k – $99k per year • Senior • Remote (Europe) • Full-Time • Senior
Fine-tuning
Knowledge Distillation
LLM
AI Agents
Function Calling
RLHF
DPO
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
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
LiveKit is an open-source real-time audio, video, and AI voice infrastructure platform headquartered in San Francisco. The company provides cloud and developer infrastructure designed to build ultra-low-latency video conferencing, live streaming, and interactive multimodal AI voice agents into web and mobile applications. Powered by flexible SDKs and scalable server orchestration, LiveKit is widely used by developers and enterprise teams to deploy real-time voice and video applications at global scale.
HQ: San Francisco, San Jose, United States • Artificial Intelligence • AI Agents • Speech & Audio AI • Est. 2021
$135k – $300k per year • Equity • Remote (EMEA, North America) • Full-Time
Python
AI/ML
Synthetic Data
PEFT
LiveKit
OpenAI
Post-training
Fine-tuning
Llama
LoRA
Qwen
Reinforcement Learning
SGLang
vLLM
FSDP
GRPO
LLM Evaluation
Marketing
Salesforce
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
Cohere is a Canadian AI company founded in 2019 and headquartered in Toronto. It builds secure, enterprise-focused large language models and AI tools for businesses and regulated industries. The company is known for emphasizing privacy, private deployment, and "sovereign AI" rather than consumer chat products
HQ: Toronto, Canada • Energy & Utilities • Biotechnology • Natural Language Processing • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2019
≈ $126k – $277k per year (Estimated) • Staff+ • New York • Remote (EU, Europe, United States, Canada) • Full-Time • Staff
Python
AI/ML
Cohere SDK
JAX
LLM
Multimodal AI
PyTorch
Ray
AI Agents
DevOps
Kubernetes
Founded in 2015, Constructor is an AI-powered search and product discovery platform built specifically for enterprise e-commerce businesses. The company utilizes real-time clickstream data and machine learning to deliver personalized product recommendations, site search results, and category browse experiences. By optimizing search outcomes for key retail metrics like revenue and conversion rather than simple keyword matching, it helps major online retailers increase sales and improve customer retention.
HQ: San Francisco, United States • Internet Services • Artificial Intelligence • Commerce • Search Engines • Est. 2015
$80k – $120k per year • Senior • 5+ years exp • Remote (EMEA) • Full-Time • Senior
Python
C++
Go
Rust
Databases
PostgreSQL
Milvus
OpenSearch
pgvector
Qdrant
Weaviate
DevOps
AWS
Azure
GCP
Kubernetes
Platform Engineering
Terraform
Vector
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
