OpenZeppelin is a smart contract security company founded in 2015 with origins in Buenos Aires. Its open-source contract libraries are the de facto standard for token and access control implementations across Ethereum and compatible chains. The firm also performs audits and sells Defender, a platform for secure contract operations, upgrades and incident response.
HQ: Buenos Aires, Argentina • Cybersecurity • Financial Services • Blockchain & Crypto • Est. 2015
Lead • 3+ years exp • Remote (Europe) • Contractor • Staff
Solidity
Cairo
Move
Cairo
OpenZeppelin Cairo
AI/ML
Anthropic SDK
Claude
Claude Code
Cursor
Anthropic
Model Context Protocol
Tokenization
Web3
Aave
Aleo
Aptos
Arbitrum
Axelar
Cardano
Chainlink
Chainlink CCIP
DeFi
Ethereum
LayerZero
OpenZeppelin
Smart Contracts
Starknet
Stellar
Tokenomics
Uniswap
Wormhole
Remote • Contractor • English: C1
Solidity
Cairo
Go
Move
Rust
Cairo
OpenZeppelin Cairo
Solidity
Certora
Echidna
Halmos
Cybersecurity
Threat Modeling
Web3
Aave
DeFi
Ethereum
OpenZeppelin
Smart Contracts
Uniswap
Aptos
Cosmos
Cosmos SDK
Foundry
Solana
Starknet
Stellar
Sui
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
Lightcast empowers smarter decisions for businesses, education institutions, and governments worldwide. With the world’s most comprehensive database—spanning over 2.5 billion job postings , 800 million career profiles , and 100+ government sources—Lightcast delivers unparalleled insight across 160+ countries. Lightcast is the universal standard in labor market intelligence. A global leader in data, it powers smarter decisions for organizations worldwide.
Moscow • Boston • Government • Sales & Marketing • Market Research
Remote (Bulgaria, Serbia, Slovenia) • Bachelor's Degree • Contractor • Bulgarian
Digital marketing tools to grow your audience faster and drive revenue smarter. Backed by 24/7 award-winning support. Check it out now!
Sales & Marketing • Email Services & Providers • Email Marketing
$60k – $75k per year • Middle • 4+ years exp • Remote (EMEA) • Contractor • Middle • English
JavaScript
PHP
SQL
Go
Node JS
Ruby
PHP
Laravel
Databases
Redis
ElasticSearch
Frontend
React.js
Vue.js
DevOps
Git
Design
Canva
$48k – $70k per year • Middle • 4+ years exp • Remote (EMEA) • Middle
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
≈ $93k – $205k per year (Estimated) • Senior • Remote • Full-Time • Senior
Python
SQL
AI/ML
Time Series Forecasting
Analytics
A/B Testing
≈ $107k – $237k per year (Estimated) • Senior • Remote • Full-Time • Senior
Python
AI/ML
Scikit-learn
XGBoost
DevOps
AWS
Azure
CI/CD
GCP
Terraform
New Relic is an all-in-one web tracking and observability platform that helps software engineers and DevOps teams monitor, analyze, and optimize their entire technology stack. Its cloud platform ingests telemetry data - such as metrics, events, logs, and traces - to deliver real-time insights into application performance and cloud infrastructure health.
San Francisco • Portland • Barcelona • Bengaluru • Atlanta • Information Technology • Data & Analytics • Data Observability
Dublin • Remote (EMEA) • Visa sponsorship • Internship
New Relic
Analytics
Tableau
Management
Google Workspace
Marketing
Salesforce
Planet is the leading provider of global, daily satellite imagery and insights. Planet is driven by a mission to image all of Earth's landmass every day, and make global change visible, accessible, and actionable. Founded in 2010 by three NASA scientists, Planet designs, builds, and operates the largest fleet of imaging satellites, as well as online software, tools and analytics needed to deliver data to users.
San Francisco • Washington • Columbia • Arlington • Stockholm • Space & Aerospace • Satellite Manufacturing • Earth Observation • 501-1000 employees
Junior • 2+ years exp • Remote/Hybrid (Ljubljana, Slovenia) • Bachelor's Degree • Internship • Junior
Bash
Python
AI/ML
Claude
Gemini
Cybersecurity
Okta
GDPR
Management
Confluence
Google Workspace
Jira
Slack
Circle is a global financial technology company best known as the issuer of USD Coin (USDC) and EURC, two of the world's leading fully backed digital stablecoins. Headquartered in New York City, New York, the firm builds open financial infrastructure and developer APIs that enable internet-native payment settlement, treasury management, and blockchain integration. By bridging traditional banking networks with public blockchain systems, it allows businesses worldwide to store, send, and trade digital value seamlessly.
HQ: New York, United States • Financial Services • Stablecoins • Blockchain & Crypto • Est. 2013
$140k – $170k per year • Lead • 5+ years exp • Remote • Staff
Claude
Claude Code
Cursor
Lovable
Design
Figma
$140k – $170k per year • Lead • 7+ years exp • Remote • Staff
Claude
Claude Code
Cursor
Lovable
Design
Figma
$130k – $140k per year • Senior • 5+ years exp • Remote • Senior
Ruby
TypeScript
JavaScript
Ruby
Ruby on Rails
Databases
MySQL
PostgreSQL
Frontend
Next.js
React.js
Tailwind CSS
Analytics
A/B Testing
Research at the pace of change. In a world moving faster than ever, Maze helps your team decide with evidence.
Design & Creative • Data & Analytics • Product Analytics • 51-200 employees • Est. 2017
≈ $170k – $311k per year (Estimated) • Executive • Remote (EU, United States) • Full-Time • Architect
Anthropic
QA
Rest-Assured
≈ $170k – $311k per year (Estimated) • Executive • Remote (EU, United States) • Full-Time • Architect
Anthropic
QA
Rest-Assured
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
≈ $62k – $106k per year (Estimated) • Senior • 5+ years exp • Madrid • Remote (Bulgaria, Czech Republic, Hungary, Poland, Romania) • Part-Time • Senior
Neo4j
AI/ML
AutoGen
LangChain
LLM
Prompt Engineering
AI Agents
EU AI Act
Knowledge Graph
Docplanner is a healthcare technology company headquartered in Amsterdam, Netherlands, and founded in 2012. It provides a digital platform for patients to find and book medical appointments while offering healthcare professionals practice management software, online marketing tools, and patient communication systems. The company operates in 13 countries across Europe and Latin America, including Poland, Spain, Italy, and Brazil, serving over 100 million monthly patients through brands such as Doctoralia and ZnanyLekarz.
HQ: Amsterdam, Netherlands • Customer Relationship Management (CRM) • Business Process Automation (BPA) • Software • Online Directories & Classifieds • Internet Services • Health Care • Digital Health • 201-500 employees • Est. 2012
≈ $70k – $161k per year (Estimated) • Equity • Executive • 3+ years exp • Barcelona • Warsaw • Remote (Europe) • Full-Time • Architect
Barcelona • Amsterdam • Warsaw • Remote (Europe) • Freelance • Spanish: C2
≈ $71k – $163k per year (Estimated) • Equity • Executive • 3+ years exp • Barcelona • Warsaw • Madrid • Remote (Europe) • Full-Time • Architect
Modularization
Cybersecurity
GDPR
Connect your product & AI agents with 900+ APIs. Build, run, and maintain integrations with AI in code, on infrastructure built for scale.
San Francisco • AI Agents
$140k – $220k per year • Staff+ • Remote (LATAM, Europe, North America) • Full-Time • Staff
TypeScript
Databases
ClickHouse
ElasticSearch
PostgreSQL
Redis
AI/ML
Replit
Vapi
DevOps
AWS
Azure
GCP
GitOps
Kubernetes
Netlify
Terraform
GitHub
Cybersecurity
GDPR
HIPAA
Okta
Snyk
SOC 2
$140k – $220k per year • Staff+ • 10+ years exp • Remote (LATAM, Europe, North America) • Full-Time • Staff
Node JS
JavaScript
AI/ML
Replit
Vapi
DevOps
AWS
Netlify
GitHub
Cybersecurity
Okta
Snyk
$140k – $220k per year • Staff+ • Remote (LATAM, Europe, North America) • Full-Time • Staff
TypeScript
Databases
ClickHouse
ElasticSearch
PostgreSQL
Redis
AI/ML
Replit
Vapi
DevOps
AWS
Azure
GCP
GitOps
Kubernetes
Netlify
Terraform
GitHub
Cybersecurity
GDPR
HIPAA
Okta
Snyk
SOC 2
Playson is a renowned digital entertainment supplier, founded in 2012, which has developed worldwide recognition in the iGaming industry. We operating across 27 regulated markets and partnering with more than 200 operators worldwide. The company offers a diverse portfolio of online casino games, combining engaging math models with high-quality design and immersive gameplay experiences.
HQ: Warsaw, Poland • Game Development • Gaming • iGaming & Gambling
Senior • 5+ years exp • Remote (EU) • Full-Time • Senior
C#
JavaScript
Python
SQL
TypeScript
Python
SQLAlchemy
Databases
ClickHouse
DynamoDB
MySQL
DevOps
Datadog
Kubernetes
New Relic
Splunk
QA
JMeter
k6
Locust
Playwright
Pytest
Rest-Assured
Selenium
Senior • 5+ years exp • Remote (EU) • Full-Time • Senior
Spine
Design
Adobe Photoshop
Senior • Remote (EU) • Full-Time • Senior • English: B2 • Ukrainian (Optional)
C#
C++
Go
Java
Node JS
Python
TypeScript
JavaScript
Databases
Apache Kafka
ClickHouse
DevOps
AWS
gRPC
Kubernetes
Enode's APIs enable you to instantly connect users' energy devices - including EVs, solar inverters, home batteries and thermostats - to your app. You can surface data, and then take action with it. Our out-of-the-box algorithms allow you to contr...
Oslo • Hardware • Internet of Things • Energy & Utilities
≈ $107k – $238k per year (Estimated) • Lead • 3+ years exp • Remote (Europe) • Full-Time • Staff
≈ $68k – $192k per year (Estimated) • Senior • Remote (Europe) • Full-Time • Senior
TypeScript
Databases
PostgreSQL
TimescaleDB
DevOps
AWS
Remote (Europe) • Full-Time
JavaScript
TypeScript
Databases
PostgreSQL
Frontend
React.js
DevOps
CI/CD
Platform Engineering
AWS
CloudFormation
Docker
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 • 8+ years exp • Remote (EMEA) • Cofounder • Staff
Java
Databases
Neo4j
PostgreSQL
Apache Kafka
AI/ML
Knowledge Graph
LangChain
LlamaIndex
GraphRAG
Mobile
Clean Architecture
DevOps
CI/CD
Docker
Senior • 8+ years exp • Remote (EMEA) • Cofounder • Senior
Java
Databases
Neo4j
PostgreSQL
Apache Kafka
AI/ML
Knowledge Graph
Mobile
Clean Architecture
DevOps
CI/CD
Docker
Lead • Remote (EMEA) • Cofounder • Staff
Neo4j
AI/ML
Knowledge Graph
Testlio is an AI-powered crowdsourced software testing and quality assurance (QA) platform headquartered in Austin, Texas, with operational origins in Tallinn, Estonia. Founded in 2012 by Kristel Kruustük and Marko Kruustük, the Series B enterprise has raised over $19 million in venture backing from investors including Spring Lake Equity Partners and Techstars.
HQ: Austin, United States • Software • Information Technology • Quality Assurance • Est. 2012
Equity • Staff+ • 10+ years exp • Remote (EMEA, United States) • Master's Degree • Freelance • Architect
Equity • Lead • 5+ years exp • Remote (EMEA) • Visa sponsorship • Freelance • Staff
JavaScript
Node JS
TypeScript
Databases
Apache Kafka
AI/ML
AI Agents
Claude
Claude Code
LLM
Function Calling
Frontend
GraphQL
React.js
DevOps
AWS
Datadog
New Relic
QA
Sentry
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 • Senior
Go
TypeScript
AI/ML
AI Agents
DeepSeek
MiniMax
Anthropic
Model Context Protocol
OpenAI
DevOps
AWS
Azure
CI/CD
GCP
Grafana
Kubernetes
OpenTelemetry
Prometheus
Cybersecurity
Least Privilege
Equity • Senior • Remote (EU, Europe) • Relocation • Visa sponsorship • Senior
Go
AI/ML
AI Agents
Hugging Face
DevOps
Akamai
Amazon EKS
AWS
Azure
Azure AKS
containerd
CRI-O
GCP
Google GKE
gRPC
Kubernetes
Equity • Senior • Remote (EU, Europe) • Visa sponsorship • Internship • Senior
Hugging Face
DevOps
Akamai
Kubernetes
MLabs is a global software engineering consultancy specializing in high-assurance software engineering, formal verification, and mission-critical systems. Founded in 2018, the company focuses on functional programming languages like Haskell and Rust to build secure, high-performance infrastructure for blockchain, Web3, fintech, and AI projects.
HQ: London, United Kingdom • Information Technology • Blockchain & Crypto • Software
$70k – $93k per year • Remote (Europe)
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
Robinhood is a pioneer in commission-free trading, providing a popular financial platform for investing in stocks, options, ETFs, and cryptocurrencies. Designed with a mobile-first approach, the platform lowers traditional barriers to entry by offering features like fractional shares, high-yield cash accounts, and intuitive digital tools.
HQ: Menlo Park, United States • Financial Services • Capital Markets • FinTech • 1001-5000 employees
Senior • In office (Ljubljana, Slovenia) • Senior
Go
Python
DevOps
AWS
Docker
Kubernetes
Ansible
Configuration Management
Grafana
Prometheus
Terraform
Web3
Staking
Senior • 7+ years exp • In office (Ljubljana, Slovenia) • Internship • Senior
