Remote Data Science and Analytics jobs open to Portugal.

Python

5 years of experience, Production Python, Operationalizing LLM systems, Post-training experience, Model gateways, Inference optimization, GPU infrastructure, Database architectures, Observability tooling, Shipping ML into regulated environments

Horizon3 AIHorizon3.ai is a remote cybersecurity company specializing in the NodeZero autonomous pentesting SaaS platform, serving global enterprises and federal agencies in the B2B sector.

Python · Kotlin · Rust

Go, Kotlin, Rust, Python, SQL, Orchestration systems, Data lifecycle management, Schema evolution, Data correctness, Stateful stream processing, Distributed systems, AI tools proficiency, Clear written communication

Python · AWS

4 years of experience, ML engineering, Deep learning, Transformer models, PyTorch, Post-training large language models, Agentic systems design, Evaluation systems for open-ended tasks, Reasoning over messy real-world data, Production-quality Python code, Data pipelines, Distributed systems, AWS, Collaboration with attack and detection engineers, Independent research on unfamiliar systems, Technical documentation, Detection engineering, Security control planes, Causal inference, Graph reasoning, Automation in production systems, Adversarial robustness, ML in multi-tenant SaaS

Horizon3 AIHorizon3.ai is a remote cybersecurity company specializing in the NodeZero autonomous pentesting SaaS platform, serving global enterprises and federal agencies in the B2B sector.

4 years of experience, Exceptional financial modeling, High-growth startup experience, Automate financial workflows, Connect financial statements to operating metrics, Independently structure ambiguous analysis, Clear communication of financial analysis, Design scalable processes from scratch, Relentless problem-solving, Operate with precision and urgency

StediStedi is a B2B and B2C company specializing in an API-first clearinghouse for healthcare and financial transactions, as well as high-performance LED lighting solutions for automotive and marine applications, with a focus on innovation and quality.

SQL

Database performance optimization, Strong SQL, Backend engineering, Data architecture design, Lakehouse experience, Schema design for semi-structured data, Streaming ingestion experience, Migration or re-architecture track record

OscilarOscilar is a US-based fintech B2B SaaS provider specializing in AI-native risk decisioning for fraud prevention, credit underwriting, and AML compliance, serving banks and digital organizations.

SQL · GCP

5 years of experience, Advanced SQL, dbt, Modern analytics-engineering practices, Fivetran, Hightouch, Google Cloud Platform, BigQuery, Business intelligence tools, AI in analytics, Dimensional data modeling, Metric governance, Mentoring, Startup experience

ChainguardChainguard is a remote-first cybersecurity B2B SaaS company specializing in securing open-source software and container images for businesses in the cloud computing industry.

Python · SQL

3 years of experience, Dagster or Airflow, AI-augmented working style, Data correctness instinct, Cloud data warehouse experience, Integrating third-party REST APIs, Building data pipelines, Strong SQL, Strong Python, Cloud or SaaS billing data

DoiTDoiT is a global B2B SaaS provider specializing in cloud management and FinOps, headquartered in a global location, serving cloud-driven organizations worldwide.

Python · SQL

3 years of experience, SQL, Dagster or Airflow, Python, BigQuery, Integrating third-party REST APIs, Data correctness, AI-augmented working style, Cloud or SaaS billing data, Financial correctness requirements

DoiTDoiT is a global B2B SaaS provider specializing in cloud management and FinOps, headquartered in a global location, serving cloud-driven organizations worldwide.

Python · SQL

3 years of experience, SQL, Dagster, Airflow, Python, BigQuery, REST API integration, Data correctness, AI-augmented working style, Cloud data solutions, SaaS billing data

DoiTDoiT is a global B2B SaaS provider specializing in cloud management and FinOps, headquartered in a global location, serving cloud-driven organizations worldwide.

5 years of experience, MLOps framework, Model serving frameworks, Streaming systems, Containerization and orchestration, Observability tooling, LLM and agent frameworks, Fintech experience, Cloud ML platforms

YunoYuno is a global payment orchestration platform headquartered in [location], specializing in B2B payment infrastructure that enables businesses to integrate over 1,000 payment methods through a single API.

Deep learning model training, PyTorch, JAX, Machine learning algorithm implementation, Fast-paced environment adaptability, Collaborative work style

Python · AWS · Kubernetes

4 years of experience, Generative AI applications, Large language models, RAG systems, Python, FastAPI, PyTorch, MLflow, AWS, Docker, Kubernetes, Kafka, Vector databases, Automated evaluation pipelines, AI security, B2B SaaS experience

TypeformTypeform is a Barcelona-based SaaS company specializing in interactive online form building and survey solutions for businesses globally.

Kubernetes · Docker

5 years of experience, Physical AI solutions, Hyperscaler infrastructure, Machine learning, Deep learning, Data science, Large scale distributed DL training, Inference pipeline optimization, Model compression techniques, Docker, Kubernetes, Singularity

NVIDIANVIDIA Corporation is a Santa Clara-based technology company specializing in designing GPUs and AI solutions for gaming, professional visualization, and cloud services, operating in both B2B and B2C markets globally.

7 years of experience, Large-scale distributed training, Alignment of Neural Networks, Megatron-LM, NeMo, Reinforcement Learning (RL), HPC environments, Multi-node GPU clusters, Fine-tuning with RLVR, Expert load balancing, Speculative decoding for MoE inference, AI Datacenter experience, Published work in distributed training

NVIDIANVIDIA Corporation is a Santa Clara-based technology company specializing in designing GPUs and AI solutions for gaming, professional visualization, and cloud services, operating in both B2B and B2C markets globally.

Python · SQL

6 years of experience, Machine learning, Deep learning, Neural networks, Statistical modeling, Tree-based methods, Boosting, Regression, Dimensionality reduction, Personalization systems, Recommendation systems, Operations research, Mathematical modeling, Linear programming, Integer programming, Discrete event simulation, Large language models, Fine-tuning methods, Reinforcement learning from human feedback, Python, SQL, Data pipelines, Machine learning libraries/tools, Mentoring, Agile environments

BetterHelpBetterHelp is a global B2C online mental health platform headquartered in Purchase, NY, offering subscription-based therapy services through licensed professionals via various digital communication methods.

Python · SQL · AWS

5 years of experience, AWS, Snowflake, SQL, Python, dbt, Data modeling, Airflow, CI/CD for data pipelines, Data governance, NetSuite, General Ledger, Financial measures, Reconciliation-ready datasets, Controls & governance, Finance partnership

Python · SQL · AWS

Python, SQL, Data visualization, AWS, Data lakes, Data warehouses, ETL pipelines, Problem solving, Curiosity, Autonomy, Team collaboration, Adaptability, Dependability

Loka, IncLoka, Inc. is a Silicon Valley-based B2B consultancy specializing in generative AI, machine learning, and Big Data solutions for the healthcare and life sciences industries.

Python

real-time inference, developer-facing infrastructure, open-source contributions to Python, async Python, distributed systems, voice and conversational AI, LLMs or multimodal models in production, streaming protocols (WebSockets/WebRTC), ASR, TTS, or end-to-end speech models, audio pipeline knowledge

Hugging FaceHugging Face is a New York City-based AI and machine learning platform providing SaaS tools for model sharing and collaboration, targeting both B2B and B2C markets globally.

Native Spanish fluency, Hands-on experience with AI models, Comfortable with voice-based interactions, Ability to pass language proficiency assessment, Responsive communicator

Productive PlayhouseProductive Playhouse Inc. is a global language services company specializing in transcription, translation, and AI voice model testing, headquartered in Orlando, FL, and operating primarily in a B2B context.

Python · Kotlin

8 years of experience, Production LLM systems, Agentic systems expertise, Multilingual conversational AI, AI evaluation and safety, Python for AI/ML, Backend engineering (Go/Kotlin), Model serving in cloud environments, Technical leadership in AI projects, Payments or fintech experience

YunoYuno is a global payment orchestration platform headquartered in [location], specializing in B2B payment infrastructure that enables businesses to integrate over 1,000 payment methods through a single API.

TypeScript · JavaScript · Azure

3 years of experience, Power BI, Power Automate, Microsoft Azure, DAX, Data modeling, JavaScript, TypeScript, REST APIs, Webhooks, Dataverse, Microsoft Teams app development, Copilot Studio, AI agents

LLM systems in production, Prompt engineering, AI output monitoring, LLM behavior understanding, AI conversation analysis, Webhook and API integration, Analytical skills, Clear communication, Attention to detail, Ownership of production systems

Python

Secure AI experience, AI security publication record, Python coding skills, Experience with ML frameworks (PyTorch, JAX), Training and evaluating large language models, Familiarity with security principles (information flow control, access control), Experience with adversarial evaluations, Knowledge of AI systems and security evaluation, Experience with confidential computing and ZKP/SMPC protocols

BraveBrave is a privacy-focused web browser headquartered in an unspecified location, offering B2C services that include ad blocking, a crypto wallet, and a private search engine for a global audience.

Kubernetes

Web crawling, Distributed systems, Kubernetes, Scraping systems, Data quality evaluation, Machine learning training data

ElevenLabsElevenLabs is a Poland-based AI voice technology company specializing in advanced speech synthesis and audio solutions for a global market, operating in both B2B and B2C contexts.

Distributed data processing at scale, Building data-intensive systems for ML training pipelines, Data quality evaluation and tooling, Data curation strategies, Web crawlers (bonus)

ElevenLabsElevenLabs is a Poland-based AI voice technology company specializing in advanced speech synthesis and audio solutions for a global market, operating in both B2B and B2C contexts.

GPU programming, Inference optimization, Real-time ML model deployment, Performance profiling, Latency-sensitive applications

ElevenLabsElevenLabs is a Poland-based AI voice technology company specializing in advanced speech synthesis and audio solutions for a global market, operating in both B2B and B2C contexts.

Python · SQL · AWS

7 years of experience, AWS Glue, AWS Spark, Data warehouse design, Databricks, Tableau, SQL, Python, Apache Airflow, Event-driven architecture, Data modeling, Distributed systems

Horizon3 AIHorizon3.ai is a remote cybersecurity company specializing in the NodeZero autonomous pentesting SaaS platform, serving global enterprises and federal agencies in the B2B sector.

5 years of experience, SAP SuccessFactors Time Management, Master proficiency in SAP SuccessFactors, Business Analysis, Requirements gathering, Current-state process assessment, Future-state solution definition, SAP SuccessFactors configurations, Process models development, System functionalities presentation, English C1/C2 certification, Portugal residency

Irium PortugalIrium Portugal is a Lisbon-based B2B IT services provider specializing in managed services, digital transformation, and cybersecurity solutions for businesses across Portugal.

AWS · GCP

5 years of experience, MySQL, PostgreSQL, AWS, GCP, Linux, Terraform, Automation, NoSQL, Database performance optimization, Replication management, Disaster recovery

XsollaXsolla is a Los Angeles-based B2B fintech company specializing in payment software and commerce solutions for the global video game industry.

Financial modeling, Cloud cost management, AI tools for finance, Cloud and AI vendor spend, Variance analysis, Asynchronous communication

GitLabGitLab is a San Francisco-based DevOps platform offering B2B and B2C solutions for software development, security, and collaboration, with a global presence.