Banco Santander is a prominent multinational financial services company that provides retail, commercial, and investment banking products to millions of customers globally. The institution is recognized as one of the largest banking groups in the world, maintaining a dominant market presence throughout Europe and the Americas. Headquartered in Madrid, Spain, the global bank operates an extensive network of branches and subsidiaries to deliver tailored financial solutions to its diverse international client base.
HQ: Madrid, Spain • Events & Ticketing • Corporate Events • Artificial Intelligence • Credit Cards • Financial Services • Banking • 1001-5000 employees
≈ $41k – $115k per year (Estimated) • Middle • 4+ years exp • Remote/Hybrid (Spain) • Bachelor's Degree • Full-Time • Middle • Spanish: B2 • English: B2
Python
Python
FastAPI
AI/ML
AI Agents
AutoGen
AWS Bedrock
Claude
CrewAI
Fine-tuning
Langfuse
LangGraph
Llama
LLM
LoRA
Mistral
Model Context Protocol
Ollama
Promptfoo
RLHF
Semantic Kernel
Unsloth
vLLM
Windsurf
LangChain
PEFT
A2A
Amazon SageMaker
Anthropic
Devin
GraphRAG
Knowledge Graph
OpenAI
SFT
Function Calling
DevOps
AWS
AWS Lambda
CI/CD
Docker
Git
Kubernetes
Rest API
Terraform
Amazon S3
Airbnb is an American travel company founded in San Francisco in 2008 that runs a global marketplace for short and long-term stays in homes rather than hotels. Hosts list rooms, apartments and houses across more than two hundred countries while the platform handles search, identity verification, payments, insurance cover and dispute resolution, taking a fee from both sides of each booking. Listed on Nasdaq since 2020, the company has expanded beyond accommodation into curated Experiences and Services such as chefs, training and spa treatments, positioning itself as a broader travel and hosting platform.
HQ: San Francisco, United States • Travel Technology • Marketplaces • Commerce • Travel & Tourism • Online Rental Platforms • Vacation Rentals • 1001-5000 employees • Est. 2008
≈ $158k – $282k per year (Estimated) • Staff+ • 9+ years exp • San Francisco • Remote (United States, Canada) • Master's Degree • Staff
Fine-tuning
LLM
RAG
Edge AI
LLM Guardrails
AI Agents
≈ $143k – $256k per year (Estimated) • Senior • 6+ years exp • Remote (United States) • Master's Degree • Senior
AutoGen
Fine-tuning
Knowledge Distillation
LangGraph
LLM
Prompt Engineering
RAG
Reinforcement Learning
RLHF
LangChain
Edge AI
GRPO
LLM Guardrails
SFT
AI Agents
Senior • 4+ years exp • Remote (China) • Master's Degree • Senior
Fine-tuning
LLM
RAG
Edge AI
LLM Guardrails
AI Agents
Horizon3.ai is a cybersecurity company that specializes in autonomous threat detection and proactive security validation. Its flagship platform, NodeZero, acts as an autonomous penetration testing solution that continuously discovers, tests, and verifies exploitable vulnerabilities across an organization's internal and external infrastructure. By simulating real-world attacker tactics, Horizon3.ai enables IT and security teams to fix critical security gaps before adversaries can exploit them.
Chicago • Amsterdam • San Francisco • Las Vegas • Seattle • Artificial Intelligence • Cybersecurity • Penetration Testing
$169k – $208k per year • Senior • 5+ years exp • Remote (United States) • Full-Time • Senior
Python
Databases
Neo4j
AI/ML
AWS Bedrock
Function Calling
LLM
AI Agents
Context Engineering
Structured Outputs
Fine-tuning
GRPO
LLM Evaluation
SFT
DevOps
AWS
$196k – $242k per year • Remote (United States) • Full-Time
Neo4j
PostgreSQL
AI/ML
Fine-tuning
LangChain
Langflow
LLM
Model Context Protocol
RAG
AI Agents
Cybersecurity
Burp Suite
Management
Jira
Parallel develops a suite of agents and tool APIs for building AI with powerful access to the open web. SOC-2 Type II certified. ZDR Available for enterprises.
San Francisco • Palo Alto • New York • Peripherals • AI Agents • Search Engines • 51-200 employees • Est. 2023
$150k – $300k per year • Staff+ • In office (San Francisco, United States) • Visa sponsorship • Full-Time • Staff
Elliptic is a blockchain analytics and cryptocurrency compliance software company headquartered in London, United Kingdom, and founded in 2013. The firm develops a platform for real-time wallet and transaction screening, entity due diligence, and cross-chain investigations to detect and prevent financial crime. Serving global financial institutions, digital asset exchanges, and government agencies, the company provides intelligence across more than 65 blockchains and covers the vast majority of global trading volume.
HQ: London, United Kingdom • Law Enforcement • Government • Security Compliance • Risk Management • Financial Services • Cybersecurity • Blockchain & Crypto • Blockchain Analytics • Est. 2013
≈ $121k – $191k per year (Estimated) • Senior • 8+ years exp • Remote/Hybrid (London, United Kingdom) • Full-Time • Senior
Node JS
SQL
TypeScript
JavaScript
Databases
PostgreSQL
pgvector
Pinecone
AI/ML
Claude
Copilot
Cursor
LangChain
LangGraph
LLM
Prompt Engineering
AI Agents
Function Calling
Human-in-the-Loop
Structured Outputs
Fine-tuning
Langfuse
LangSmith
RAG
Anthropic
Arize Phoenix
OpenAI
DevOps
AWS
AWS Lambda
Amazon ECS
Amazon S3
Datadog
Kubernetes
Terraform
Vector
Black Forest Labs is building visual intelligence: models that understand, reason, and act in the world. Use FLUX models via our API.
HQ: Freiburg im Breisgau, Germany • 201-500 employees • Est. 2024
$139k – $209k per year • In office (Freiburg im Breisgau, Germany) • Full-Time
Diffusion Models
Fine-tuning
Knowledge Distillation
Reinforcement Learning
Stable Diffusion
Robotics
LeRobot
Reinforcement Learning
$151k – $394k per year • Staff+ • In office (Freiburg im Breisgau, Germany) • Full-Time • Staff
Fine-tuning
LLM
LoRA
Multimodal AI
Stable Diffusion
Tokenization
VLM
PEFT
SFT
$151k – $394k per year • Staff+ • In office (Freiburg im Breisgau, Germany) • Full-Time • Staff
Fine-tuning
Knowledge Distillation
PyTorch
RLHF
Stable Diffusion
DPO
Post-training
SFT
Wizards of the Coast is an American game publisher specializing in fantasy and science fiction tabletop, trading card, and digital games, operating as a subsidiary of Hasbro. The company is best known for creating Magic: The Gathering, the premier collectible card game, and for publishing the iconic tabletop role-playing game Dungeons & Dragons. Through its development studios, it expands these core franchises across physical board games, video games, novels, and global gaming events.
HQ: Renton, United States • 501-1000 employees • Est. 1993
≈ $124k – $233k per year (Estimated) • Middle • 3+ years exp • In office (Boston, United States) • Middle
Python
AI/ML
Chain-of-Thought
Gemini
LLM
Prompt Engineering
RAG
Anthropic
Google AI Studio
LLM Guardrails
OpenAI
Structured Outputs
Text-to-Speech
AI Agents
Fine-tuning
Guardrails AI
NeMo Guardrails
RLHF
NVIDIA NeMo
DevOps
AWS
Character.AI is an American company founded in 2021 by former Google researchers that operates a platform for creating and talking to personality-driven AI characters. Users build characters with a description, greeting and example dialogue, then share them publicly, and the service has grown into one of the most used consumer AI products by session time. Headquartered in Redwood City, California, the company runs its own dialogue-tuned models and has added voice calls, animated avatars and multi-character scenes, alongside age assurance and safety controls for younger users.
HQ: Redwood City, United States • Internet Services • Media & Entertainment • Conversational AI • LLM & Generative AI • Artificial Intelligence • 51-200 employees • Est. 2021
$275k – $400k per year • Lead • In office (Redwood City, United States) • PhD • Full-Time • Principal
Fine-tuning
Qwen
Reinforcement Learning
Post-training
SFT
DevOps
Docker
Kubernetes
Analytics
A/B Testing
$220k – $260k per year • Senior • 5+ years exp • In office (Redwood City, United States) • Bachelor's Degree • Full-Time • Senior
Python
SQL
AI/ML
Fine-tuning
LLM
Prompt Engineering
RLHF
DPO
LLM Guardrails
Post-training
SFT
Human-in-the-Loop
DevOps
Docker
Kubernetes
$225k – $400k per year • Remote/Hybrid (Redwood City, United States) • PhD • Full-Time
Fine-tuning
Reinforcement Learning
RLHF
Explainable AI
DevOps
Docker
Kubernetes
Analytics
A/B Testing
Reddit is an American social platform founded in 2005 and organised into hundreds of thousands of user-created communities known as subreddits. Members post links, text, images and video, and the community ranks each submission through upvotes and downvotes, which decides what surfaces on the front page and inside each community. Headquartered in San Francisco and listed on the New York Stock Exchange since 2024, the company earns most of its revenue from advertising and has added data licensing deals that let AI developers train on its public conversation archive.
HQ: San Francisco, United States • Online Communication • Advertising • Media & Entertainment • Online Forums & Communities • Internet Services • 1001-5000 employees • Est. 2005
≈ $111k – $244k per year (Estimated) • Staff+ • 7+ years exp • Remote (United Kingdom, Netherlands) • Contractor • Staff
Python
Databases
Google BigQuery
AI/ML
Embeddings
Fine-tuning
LLM
Multimodal AI
NLP
PyTorch
TensorFlow
Knowledge Graph
Recommender Systems
Ray
DevOps
GCP
Kubernetes
≈ $138k – $303k per year (Estimated) • Staff+ • 7+ years exp • Remote (United Kingdom, Netherlands) • Contractor • Staff
Python
Databases
Google BigQuery
AI/ML
Embeddings
Fine-tuning
LLM
Multimodal AI
NLP
PyTorch
TensorFlow
Knowledge Graph
Recommender Systems
Ray
DevOps
GCP
Kubernetes
≈ $180k – $329k per year (Estimated) • Equity • Staff+ • 7+ years exp • Remote/Hybrid • Contractor • Staff
LLM
Fine-tuning
RAG
AI Agents
DevOps
Platform Engineering
MacPaw is a software company headquartered in Kyiv, Ukraine, and founded in 2008 by Oleksandr Kosovan. The company develops consumer applications for macOS and iOS including CleanMyMac, the Setapp subscription app service, Encrypto, and ClearVPN, sold directly to users worldwide. It employs several hundred people, has continued operating through the war in Ukraine, and runs the MacPaw Foundation alongside its commercial work.
HQ: Kyiv, Ukraine • Operating Systems • Endpoint Security • Laptops • Consumer Electronics • Productivity Software • Software • Cybersecurity • Est. 2008
Remote (Ukraine) • Master's Degree
C++
Python
C++
PyTorch C++
TensorFlow C++
AI/ML
Fine-tuning
JAX
Knowledge Distillation
LLM
LoRA
MLX ML
NLP
PyTorch
Quantization
TensorFlow
PEFT
Edge AI
Mixture of Experts
Management
Jira
Wabtec Corporation is a global technology leader and Fortune 500 company providing equipment, software systems, and services for the freight rail and passenger transit industries. Formed through the heritage of the Westinghouse Air Brake Company, the firm manufactures locomotives, advanced braking systems, control software, and components that enhance operational safety and efficiency. Additionally, the company offers lifecycle maintenance, overhaul services, and sustainable transport innovations, including battery-electric locomotives and low-emission transit technologies.
HQ: Pittsburgh, United States • Transportation & Logistics • Manufacturing • Industrial Machinery • Rail Transport • 5000+ employees
≈ $22k – $43k per year (Estimated) • Senior • 6+ years exp • In office (Bengaluru, India) • Full-Time • Senior • English
Python
SQL
Python
FastAPI
pySpark
AI/ML
AWS Bedrock
LLM
MLFlow
NLP
PyTorch
TensorFlow
Spark
Fine-tuning
DevOps
AWS
San Francisco
≈ $164k – $359k per year (Estimated) • In office (San Francisco, United States) • Full-Time
Fine-tuning
Knowledge Distillation
LoRA
Reinforcement Learning
Synthetic Data
PEFT
AI Agents
LLM
Twilio is a leading cloud communications platform that enables software developers to programmatically build, scale, and integrate real-time communication capabilities into applications via application programming interfaces (APIs). Headquartered in San Francisco, California, the company provides infrastructure for automated SMS messaging, voice calls, WhatsApp integration, video, and two-factor authentication without requiring traditional telecom hardware.
HQ: San Francisco, United States • Telecommunications • Software • Online Communication • 1001-5000 employees • Est. 2008
≈ $52k – $155k per year (Estimated) • Junior • 2+ years exp • Remote (Ireland) • Bachelor's Degree • Junior
Python
AI/ML
AutoGen
CrewAI
Fine-tuning
JAX
LangGraph
LLM
NLP
NLTK
Prompt Engineering
PyTorch
TensorFlow
Transformers
LangChain
Hugging Face
LLMOps
AI Agents
Mobile
Twilio
DevOps
AWS
Azure
GCP
≈ $34k – $100k per year (Estimated) • Junior • 2+ years exp • Remote (Spain) • Bachelor's Degree • Junior
Python
AI/ML
AutoGen
CrewAI
Fine-tuning
JAX
LangGraph
LLM
NLP
NLTK
Prompt Engineering
PyTorch
TensorFlow
Transformers
LangChain
Hugging Face
LLMOps
AI Agents
Mobile
Twilio
DevOps
AWS
Azure
GCP
$156k – $194k per year • Equity • Senior • 5+ years exp • Remote (United States) • Master's Degree • Senior
Java
Python
SQL
Databases
Apache Kafka
DynamoDB
OpenSearch
Snowflake
AI/ML
Anomaly Detection
Flink
Kubeflow
LangChain
LangGraph
LLM
MLFlow
Spark
Amazon SageMaker
Feature Store
Galileo
Metaflow
Recommender Systems
AI Agents
Claude
Copilot
Cursor
Embeddings
Fine-tuning
RAG
OpenAI Codex
Time Series Forecasting
Mobile
Twilio
DevOps
ArgoCD
AWS
Azure
CI/CD
Docker
GCP
GitOps
Kubernetes
Vector
GitHub
Coins.ph is a digital wallet and exchange founded in 2014 and headquartered in Manila. It combines crypto trading with bill payments, remittances and mobile top-ups, functioning as a general financial application for Filipino users. The company holds virtual asset and electronic money licences from the central bank of the Philippines.
HQ: Manila, Philippines • Crypto Wallets • Cryptocurrencies • Blockchain & Crypto • Est. 2014
Remote/Hybrid (Taguig, Philippines) • Bachelor's Degree • Full-Time
SQL
Python
AI/ML
Anomaly Detection
Fine-tuning
Sentiment Analysis
Spark
Analytics
ETL/ELT
Management
Google Workspace
Phrase is the AI-powered language intelligence platform for enterprise. Automate workflows, connect any tool or engine, and scale multilingual content globally.
Artificial Intelligence • Professional Services • Translation Services • Est. 2012
≈ $98k – $234k per year (Estimated) • Lead • In office • PhD • Full-Time • Principal
Python
AI/ML
Claude
Fine-tuning
Gemini
LangGraph
LLM
LoRA
NLP
Prefect
Pydantic AI
PyTorch
Reinforcement Learning
RLHF
Vertex AI
vLLM
Weights & Biases
LangChain
PEFT
Amazon SageMaker
DPO
Flyte
Hugging Face
Human-in-the-Loop
OpenAI
Pre-training
Structured Outputs
AI Agents
Function Calling
TGI
DevOps
AWS
GCP
Renesas Electronics is a major Japanese semiconductor manufacturer specializing in microcontrollers, system-on-chips (SoCs), power management devices, and analog technologies. Headquartered in Tokyo, the company was established through the consolidation of the semiconductor divisions of Hitachi, Mitsubishi Electric, and NEC. It serves as a key supplier for the automotive, industrial, infrastructure, and Internet of Things (IoT) sectors globally.
HQ: Tokyo, Japan • Manufacturing • Hardware • Semiconductor Manufacturing • Semiconductors • 5000+ employees • Est. 1978
≈ $41k – $87k per year (Estimated) • Executive • 20+ years exp • In office (Hyderabad, India) • Full-Time • Staff • English
AI Agents
Embeddings
Fine-tuning
LangChain
LLM
PyTorch
RAG
TensorFlow
DevOps
Vector
HPC
We leverage data, AI, and analytics to drive business outcomes. Expertise in Google Cloud, AWS, Azure, Snowflake. 2025 Google Cloud Partner of the Year.
Toronto • Navi Mumbai • London • Mumbai • Financial Services • Artificial Intelligence • Data & Analytics
≈ $28k – $70k per year (Estimated) • Senior • 5+ years exp • In office (Navi Mumbai, India) • Full-Time • Senior
Go
Node JS
Python
JavaScript
Python
FastAPI
Databases
Google BigQuery
Pinecone
Weaviate
AI/ML
AI Agents
CrewAI
Fine-tuning
Haystack
LangGraph
LangSmith
LlamaIndex
LLM
Multimodal AI
RAG
Vertex AI
LangChain
Edge AI
Google AI Studio
LLM Guardrails
DevOps
Amazon EKS
AWS
Azure
Azure AKS
CI/CD
Docker
GCP
Google Cloud Run
Google GKE
Kubernetes
Pulumi
Terraform
Vector
Analytics
ETL/ELT
≈ $91k – $187k per year (Estimated) • Senior • 5+ years exp • Remote/Hybrid (London, United Kingdom) • Senior
Go
Node JS
Python
JavaScript
Python
FastAPI
Databases
Google BigQuery
Pinecone
Weaviate
AI/ML
AI Agents
CrewAI
Haystack
LangGraph
LangSmith
LlamaIndex
LLM
Multimodal AI
RAG
Vertex AI
LangChain
Google AI Studio
LLM Guardrails
Fine-tuning
Edge AI
DevOps
Amazon EKS
AWS
Azure
Azure AKS
CI/CD
Docker
GCP
Google Cloud Run
Google GKE
Kubernetes
Pulumi
Terraform
Vector
Analytics
ETL/ELT
Sesame AI is a company founded in 2022 that develops conversational speech models with unusually natural timing and prosody. Its demonstration voices drew wide attention for sounding present in a conversation rather than reading text aloud, and it released a base speech model openly. The company is also building lightweight eyewear intended to keep an assistant available throughout the day.
HQ: San Francisco, United States • Est. 2022
$190k – $320k per year • Equity • In office (San Francisco, New York, Bellevue, United States) • Full-Time
Fine-tuning
LLM
Multimodal AI
PyTorch
Patent discovery, analytics, comparison, and workflow. Simplified via Artificial Intelligence.
New York • London • Munich • Paris • Toronto • Higher Education • Venture Capital • Artificial Intelligence
≈ $140k – $307k per year (Estimated) • Remote/Hybrid (New York, United States, Toronto, Canada) • Full-Time
Python
SQL
AI/ML
Claude
Fine-tuning
Gemini
LLM
Pandas
Spark
Post-training
Structured Outputs
AI Agents
Function Calling
DevOps
AWS
GCP
Vector
Writer is an enterprise generative artificial intelligence company headquartered in San Francisco, California, and founded in 2020. The company provides a full-stack platform that includes proprietary large language models, an integrated graph-based retrieval-augmented generation system, and tools for building autonomous AI agents. It serves Fortune 500 companies across sectors such as financial services, healthcare, and retail, focusing on delivering secure and compliant AI applications for marketing, sales, and operations.
HQ: San Francisco, United States • Business Process Automation (BPA) • Software • Marketing Automation • Sales & Marketing • LLM & Generative AI • AI Agents • Artificial Intelligence • Est. 2020
$234k – $349k per year • Equity • Senior • 7+ years exp • Remote/Hybrid (San Francisco, New York, Seattle, United States) • PhD • Full-Time • Senior
Python
AI/ML
AI Agents
Fine-tuning
JAX
LLM
NLP
PyTorch
Reinforcement Learning
RLHF
Synthetic Data
DPO
GRPO
Post-training
Pre-training
SFT
Function Calling