N-iX is a global software development and IT consulting company founded in Lviv, Ukraine, in 2002. The firm partners with enterprise clients, mid-sized businesses, and tech startups to deliver custom software engineering, cloud transformation, AI and data analytics, and embedded systems solutions. Operating across multiple delivery hubs in Europe and the Americas, it focuses on helping organizations scale their engineering capabilities and accelerate digital transformation.
HQ: Lviv, Ukraine • HQ: Valletta, Malta • Data & Analytics • Artificial Intelligence • Software • 1001-5000 employees • Est. 2002
$72k – $93k per year • Senior • Kraków • Remote (Poland) • Full-Time • Senior
Kotlin
Python
Databases
Google BigQuery
AI/ML
AI Agents
Claude
Claude Code
Copilot
LLM
RAG
LLM Evaluation
LLM Guardrails
Model Context Protocol
DevOps
AWS
GCP
Vector
GitHub
Grafana
Cybersecurity
GDPR
Management
Linear
Notion
Slack
$82k – $88k per year • Senior • Kraków • Remote (Poland) • Full-Time • Senior
JavaScript
Node JS
TypeScript
AI/ML
Model Context Protocol
Prompt Engineering
OpenAI Codex
AWS Bedrock
AWS Bedrock AgentCore
DevOps
AWS
CI/CD
Platform Engineering
Docker
GitHub Actions
Kubernetes
GitHub
Cybersecurity
Okta
Management
Jira
Slack
n8n
$96k – $120k per year • Lead • Kraków • Remote (Poland) • Staff
AI Agents
Copilot
Prompt Engineering
OpenAI
RAG
DevOps
Azure
Centrum Respo is a Polish online health and fitness platform that provides personalized nutrition plans, custom workout routines, and direct coaching support. The company combines digital health tools with dedicated dietitians and trainers to help users achieve sustainable weight loss, improve athletic performance, and manage health conditions. Through its proprietary mobile application, it enables clients to track daily progress, adjust meal plans, and maintain ongoing contact with their personal health mentors.
Warsaw • Lifestyle • Health Care • Weight Management
$81k per year • Senior • Warsaw • Remote (Poland) • Full-Time • Senior • Polish: C1
Computer Vision
Embeddings
Function Calling
LangChain
LangGraph
LlamaIndex
LLM
NumPy
PyTorch
RAG
Scikit-learn
OpenAI
AI Agents
DevOps
Rest API
Vector
Provectus is a global technology consulting firm that specializes in delivering innovative software solutions to businesses of all sizes. We have a proven track record of success in helping our clients achieve their strategic goals by leveraging our deep expertise in cloud computing, big data, and artificial intelligence. Provectus is a trusted partner for organizations looking to transform their digital landscape and gain a competitive advantage in today's dynamic marketplace.
HQ: New York, United States • System Integration • Biotechnology • Data & Analytics • Est. 2010
Senior • 5+ years exp • Remote (Poland, Serbia, Spain, Ukraine, Slovakia) • Full-Time • Senior
Python
TypeScript
Go
Rust
AI/ML
AWS Bedrock
Claude
Claude Code
LLM
RAG
Anthropic
AWS Bedrock AgentCore
LLM Guardrails
OpenAI
AI Agents
Function Calling
AgentOps
Airflow
NLP
Spark
A2A
LLM Evaluation
LLMOps
Model Context Protocol
DevOps
AWS
AWS Lambda
Azure
GCP
Amazon ECS
Amazon S3
CI/CD
GitHub Actions
GitLab CI
Kubernetes
GitHub
GitLab
≈ $44k – $111k per year (Estimated) • Senior • 5+ years exp • Remote (Bosnia and Herzegovina, Poland, Romania, Serbia, Spain) • Full-Time • Senior
Python
TypeScript
Go
Rust
AI/ML
AWS Bedrock
Claude
Claude Code
LLM
RAG
Anthropic
AWS Bedrock AgentCore
LLM Guardrails
OpenAI
AI Agents
Function Calling
AgentOps
Airflow
NLP
Spark
A2A
LLM Evaluation
LLMOps
Model Context Protocol
DevOps
AWS
AWS Lambda
Azure
GCP
Amazon ECS
Amazon S3
CI/CD
GitHub Actions
GitLab CI
Kubernetes
GitHub
GitLab
Senior • 5+ years exp • Remote (Poland, Serbia, Spain, Armenia, North Macedonia) • Full-Time • Senior
Python
TypeScript
Go
Rust
AI/ML
AWS Bedrock
Claude
Claude Code
LLM
RAG
Anthropic
AWS Bedrock AgentCore
LLM Guardrails
OpenAI
AI Agents
Function Calling
AgentOps
Airflow
NLP
Spark
A2A
LLM Evaluation
LLMOps
Model Context Protocol
DevOps
AWS
AWS Lambda
Azure
GCP
Amazon ECS
Amazon S3
CI/CD
GitHub Actions
GitLab CI
Kubernetes
GitHub
GitLab
Backbase is a Dutch financial technology company that provides an engagement banking platform designed to unify customer interactions across digital and physical channels. Headquartered in Amsterdam, the firm offers a modular architecture that sits on top of legacy core banking systems to help financial institutions modernize their user experiences without total infrastructure overhauls. Its software powers retail, commercial, and wealth management operations for over 150 leading banks and credit unions worldwide.
HQ: Amsterdam, Netherlands • Banking • Artificial Intelligence • Financial Services • Est. 2003
≈ $66k – $108k per year (Estimated) • Senior • 7+ years exp • Remote/Hybrid (Kraków, Poland) • PhD • Senior
Java
JavaScript
TypeScript
Java
Hibernate
Maven
AI/ML
LLM
OpenAI
Frontend
Angular
RxJS
Vue.js
Webpack
DevOps
CI/CD
Jenkins
$64k – $77k per year • Senior • 7+ years exp • Remote/Hybrid (Kraków, Poland) • PhD • Full-Time • Senior
Java
JavaScript
TypeScript
Java
Hibernate
Maven
AI/ML
LLM
OpenAI
Frontend
Angular
RxJS
Vue.js
Webpack
DevOps
CI/CD
Jenkins
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
State Street is a major American financial services and bank holding company headquartered in Boston, Massachusetts. As one of the world's largest custodian banks and asset managers, it provides comprehensive asset servicing, fund administration, foreign exchange, and investment management through its State Street Global Advisors division.
HQ: Boston, United States • Financial Services • Banking • Asset Management • 1001-5000 employees
$49k per year • Executive • 8+ years exp • Remote/Hybrid (Kraków, Poland) • Bachelor's Degree • Full-Time • Staff
Python
Databases
Databricks
Snowflake
AI/ML
Embeddings
Hallucination
LLM
Prompt Engineering
RAG
Semantic Search
LLMOps
Semantic Search
DevOps
AWS
Azure
$49k per year • Executive • 8+ years exp • Remote/Hybrid (Kraków, Poland) • Bachelor's Degree • Full-Time • Architect
Python
Databases
Databricks
Snowflake
AI/ML
Embeddings
Hallucination
LLM
Prompt Engineering
RAG
Semantic Search
LLMOps
Semantic Search
DevOps
AWS
Azure
$49k per year • Executive • 8+ years exp • Remote/Hybrid (Kraków, Poland) • Bachelor's Degree • Full-Time • Staff
Python
Databases
Databricks
Snowflake
AI/ML
Embeddings
Hallucination
LLM
Prompt Engineering
RAG
Semantic Search
LLMOps
Semantic Search
DevOps
AWS
Azure
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
JetBrains is a global software vendor specializing in intelligent, productivity-enhancing developer tools and integrated development environments (IDEs). Founded in 2000 and headquartered in Prague, Czech Republic, the company is best known for creating IntelliJ IDEA, PyCharm, WebStorm, Rider, ReSharper, and the Kotlin programming language (which serves as Google's preferred language for Android development).
HQ: Prague, Czech Republic • Artificial Intelligence • Software • Code Intelligence • Productivity Software • 51-200 employees • Est. 2000
Senior • Amsterdam • Remote (Germany, United Kingdom, Cyprus, Czech Republic, Netherlands) • Relocation • Senior
AI Agents
Fine-tuning
Prompt Engineering
Staff+ • Amsterdam • Remote (Germany, United Kingdom, Cyprus, Czech Republic, Netherlands) • Relocation • Staff
Fine-tuning
LLM
Context Engineering
Post-training
AI Agents
Function Calling
Staff+ • Amsterdam • Remote (Germany, United Kingdom, Cyprus, Czech Republic, Netherlands) • Staff
Python
AI/ML
DeepSpeed
Fine-tuning
Kubeflow
LLM
NLP
PyTorch
RLHF
TensorRT
vLLM
Hugging Face
Pre-training
DevOps
CI/CD
Git
Kubernetes
TeamCity
The official web portal of the Republic of Poland serves as a centralized gateway for government information, public administration services, and official announcements. It consolidates digital services for citizens, businesses, foreign nationals, and civil servants, enabling users to manage tax filings, residency applications, and administrative paperwork online. By unifying various ministries and state agencies under a single digital platform, it streamlines interaction with Polish public institutions and promotes accessible digital governance.
Katowice • Materials Science & Nanotechnology • Science & Engineering
≈ $62k – $107k per year (Estimated) • Katowice • Remote (Poland) • Part-Time • Polish: C1
Python
AI/ML
LangChain
LLM
NumPy
PyTorch
Scikit-learn
TensorFlow
vLLM
Hugging Face
DevOps
CI/CD
Docker
Git
Kubernetes
RTB House is a global advertising technology company that provides a demand-side platform (DSP) powered entirely by proprietary deep learning algorithms. The company specializes in personalized retargeting, brand advertising, and full-funnel performance marketing for e-commerce and enterprise advertisers across global markets. By leveraging advanced AI to analyze user behavior in real time, RTB House delivers highly tailored display, video, and programmatic ad campaigns to optimize conversion rates and ROI.
Warsaw • Dubai • São Paulo • Milan • Prague • Artificial Intelligence • Sales & Marketing • Advertising • 51-200 employees • Est. 2010
≈ $92k – $151k per year (Estimated) • Senior • 4+ years exp • Warsaw • Remote (Poland) • Internship • Senior • Polish
Java
Python
Scala
AI/ML
NumPy
Pandas
PyTorch
Recommender Systems
Transfer Learning
Analytics
A/B Testing
≈ $93k – $153k per year (Estimated) • Senior • Warsaw • Remote (Poland) • Internship • Senior • Polish
C++
Java
Python
Scala
C++
PyTorch C++
TensorFlow C++
Databases
Apache Kafka
AI/ML
Flink
Hadoop
PyTorch
Spark
TensorFlow
DevOps
GCP
$118k – $140k per year • Senior • Warsaw • Remote (Poland) • Full-Time • Senior
Go
Java
Python
Scala
TypeScript
AI/ML
LLM
AI Agents
AutoGen
LangChain
DevOps
AWS
Azure
Docker
GCP
Kubernetes
Vercel
NVIDIA is an American technology company founded in 1993 that invented the graphics processing unit and has become the dominant supplier of accelerated computing platforms for artificial intelligence. Its portfolio spans data centre GPUs and systems built on the Hopper and Blackwell architectures, GeForce consumer graphics, automotive and robotics platforms, high-speed networking acquired with Mellanox, and the CUDA software stack that binds the ecosystem together. Headquartered in Santa Clara, California, the company sells to cloud providers, enterprises, research institutions and gamers worldwide and is one of the most valuable listed businesses on the Nasdaq.
HQ: Santa Clara, United States • AI Infrastructure • Semiconductors • AI Agents • Big Data • LLM & Generative AI • Machine Learning • Hardware • Data & Analytics • Information Technology • Artificial Intelligence • 5000+ employees • Est. 1993
≈ $89k – $147k per year (Estimated) • Senior • 6+ years exp • Poland • Spain • Switzerland • Netherlands • France • Remote (Poland) • Bachelor's Degree • Full-Time • Senior
MLFlow
Multimodal AI
Quantization
RAG
AI Agents
Function Calling
Weights & Biases
DevOps
SLURM
HPC
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
Founded in 2015 and headquartered in Warsaw, Poland, Onwelo is a global technology consulting and software development company specializing in custom IT solutions for enterprise clients. The company delivers services across cloud transformation, AI and data analytics, cybersecurity, intelligent automation (RPA), quality assurance, and managed IT services.
HQ: Warsaw, Poland • Artificial Intelligence • Software • Information Technology • Est. 2015
$64k – $86k per year • Remote (Poland) • Full-Time • Polish: C1
Python
SQL
AI/ML
AI Agents
LLM
PyTorch
RAG
Scikit-learn
TensorFlow
Function Calling
DevOps
AWS
Azure
CI/CD
Docker
GCP
Git
$64k – $76k per year • Remote (Poland) • Full-Time • Polish: C1
Python
SQL
Python
Pydantic
AI/ML
Pandas
PyTorch
TensorFlow
DevOps
AWS
$60k – $80k per year • Senior • Kraków • Remote (Poland) • Full-Time • Senior • Polish: C1
Python
Databases
ElasticSearch
FAISS
Milvus
Pinecone
Qdrant
AI/ML
Claude
Gemini
LangChain
Llama
LlamaIndex
LLM
NLP
RAG
GPT-4
Hugging Face
OCR
DevOps
AWS
Azure
GCP
Rest API
Cybersecurity
GDPR
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
Tesco is a leading British multinational retailer that stands as the largest grocery store chain in the United Kingdom. Headquartered in Welwyn Garden City, England, the company operates thousands of supermarkets, convenience stores, and a major e-commerce platform. It offers a wide variety of products ranging from fresh food and clothing to household items and financial services.
Kraków • Pune • Edinburgh • Bengaluru • Milton Keynes • Hardware • Industrial Hardware • Commerce • Retail & Shop Systems • E-commerce Platforms • Est. 2004
$64k – $81k per year • Remote/Hybrid (Kraków, Poland) • Bachelor's Degree • Full-Time
Python
AI/ML
Computer Vision
Spark
Feature Store
DevOps
Azure
Git
Grafana
Splunk
Infuse Media (INFUSE) is a global data-driven B2B demand generation company that helps B2B enterprise organizations drive revenue growth. Founded in 2012, the company offers omnichannel marketing solutions, including content syndication, account-based marketing (ABM), intent strategy, and lead generation. Headquartered in Newton, Massachusetts, it provides end-to-end campaign execution and actionable intent data to technology and enterprise clients worldwide.
Bogotá • Boca Raton • Tbilisi • Valencia • Almaty • Advertising • Sales & Marketing • Lead Generation • 1001-5000 employees
≈ $74k – $130k per year (Estimated) • Lead • Remote (Poland, Ukraine) • Contractor • Staff
Python
SQL
TypeScript
JavaScript
Node JS
Databases
Apache Kafka
AI/ML
Claude
Claude Code
Cursor
LLM
OpenAI Codex
AI Agents
DevOps
AWS
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
Lingaro is a Warsaw technology company founded in 2008 and specialised in data and analytics engineering. It builds data platforms, business intelligence and artificial intelligence solutions for global consumer goods, pharmaceutical and retail groups. The company employs thousands of specialists across Europe and Asia.
HQ: Warsaw, Poland • Commerce • Artificial Intelligence • Data & Analytics • Est. 2008
≈ $67k – $109k per year (Estimated) • Senior • 5+ years exp • Remote (Poland) • Master's Degree • Contractor • Senior
Python
AI/ML
LLM
LLM Guardrails
AI Agents
Function Calling
RAG
DevOps
AWS
Azure
≈ $65k – $106k per year (Estimated) • Senior • 5+ years exp • Remote (Poland) • Full-Time • Senior • English
Bash
PowerShell
Python
AI/ML
LLM
RAG
DevOps
Ansible
Azure
Azure DevOps
CI/CD
FinOps
GitHub Actions
Jenkins
Kubernetes
Terraform
GitHub
≈ $67k – $109k per year (Estimated) • Senior • 5+ years exp • Remote (Poland) • Master's Degree • Senior
Python
AI/ML
LLM
LLM Guardrails
AI Agents
Function Calling
RAG
DevOps
AWS
Azure
Innovecs is a Ukrainian software company founded in 2011 and headquartered in Kyiv. It builds digital products for gaming, logistics and healthcare clients. The company operates delivery centres across several countries.
HQ: Kyiv, Ukraine • Information Technology • Data & Analytics • Artificial Intelligence • Est. 2011
Senior • Remote (Poland, Romania, Spain, Ukraine) • Senior