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 (Europe, United States) • Freelance
Senior • 8+ years exp • Remote (EU, United States, United Kingdom, Serbia) • Freelance • Senior
Python
JavaScript
TypeScript
Python
FastAPI
Databases
Apache Kafka
PostgreSQL
Redis
AI/ML
AI Agents
Claude
Anthropic
Model Context Protocol
OpenAI Codex
Frontend
React.js
DevOps
Docker
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
Blockchain Capital is one of the earliest dedicated digital asset venture firms, founded in 2013 in San Francisco. It has invested across many funds in exchanges, infrastructure, decentralised finance and consumer applications. The firm was also a pioneer of tokenised fund structures, issuing a security token to represent limited partner interests.
HQ: San Francisco, United States • Blockchain & Crypto • Est. 2013
≈ $43k – $128k per year (Estimated) • Lead • Remote (Argentina, Colombia, Cyprus, Czech Republic, Hungary) • Full-Time • Staff
Rust
JavaScript
C++
Go
Frontend
React.js
Mobile
React Native
≈ $33k – $42k per year (Estimated) • Senior • 7+ years exp • Remote (United Kingdom, Argentina, Brazil, Bulgaria, Canada) • Full-Time • Senior
Rust
Databases
Apache Kafka
≈ $126k – $228k per year (Estimated) • Lead • Remote (United Arab Emirates, United Kingdom, Bulgaria, Canada, Cyprus) • Bachelor's Degree • Full-Time • Staff
C++
Go
Python
Rust
Web3
Staking
Accenture is a leading global professional services company specializing in strategy, consulting, technology, and operations services. Headquartered in Dublin, Ireland, the firm helps organizations optimize their business performance, navigate digital transformation, and implement advanced technologies like AI and cloud computing.
HQ: Dublin, Ireland • HQ: Chicago, United States • Artificial Intelligence • IT Consulting • Information Technology • 5000+ employees • Est. 1989
Middle • 3+ years exp • Prague • Remote (Czech Republic) • Full-Time • Middle
Bash
PowerShell
Python
DevOps
Splunk
Cybersecurity
Crowdstrike
IBM QRadar
Junior • 1+ year exp • In office (Prague, Czech Republic) • Full-Time • Junior • English
SLI/SLO/SLA
Azure
Splunk
Cybersecurity
IBM QRadar
Senior • 6+ years exp • Remote/Hybrid (Prague, Czech Republic) • Full-Time • Senior
Mirantis is a B2B open-source cloud computing, container management, and AI infrastructure company headquartered in Campbell, California. Originally known as a core contributor to OpenStack, Mirantis now provides open-cloud software and managed services centered on Kubernetes, multi-cloud platforms, and enterprise AI workloads.
Calgary • Warsaw • Brussels • Prague • Poznań • DevOps • Information Technology • Cloud Computing • 1001-5000 employees
Senior • 5+ years exp • Remote/Hybrid (Prague, Czech Republic) • Bachelor's Degree • Full-Time • Senior • English
Go
Rust
SQL
Rust
Axum
SQLx
Tonic
Databases
PostgreSQL
AI/ML
InfiniBand
NVLink
DevOps
Cilium
gRPC
Kubernetes
OpenTelemetry
Platform Engineering
Rest API
Splunk
AWS
KubeVirt
KVM
Cybersecurity
Calico
Keycloak
Equity • Senior • Prague • Remote (Czech Republic) • Full-Time • Senior
Go
DevOps
AWS
Kubernetes
Platform Engineering
GitHub Actions
QEMU
GitHub
Lead • Remote/Hybrid (Prague, Czech Republic) • Full-Time • Senior • English
Incident Management
Kubernetes
Platform Engineering
SLI/SLO/SLA
Splunk
AWS
Barclays is a British multinational universal bank that provides a wide range of services, including retail banking, corporate and investment banking, and wealth management. Headquartered in London with a history spanning centuries, it operates as a major financial institution with a significant presence across the United Kingdom, Europe, the Americas, Africa, and Asia. The bank focuses on delivering comprehensive financial solutions and digital banking products to millions of individual and institutional clients globally.
HQ: London, United Kingdom • Investment Banking • Financial Services • Banking
Senior • In office (Prague, Czech Republic) • Full-Time • Senior
C#
SQL
TypeScript
JavaScript
C#
.NET
Databases
MS SQL
Frontend
Angular
In office (Prague, Czech Republic) • Master's Degree • Full-Time
C#
SQL
C#
.NET
Databases
Databricks
MS SQL
DevOps
AWS
Amazon S3
Lead • In office (Prague, Czech Republic) • Full-Time • Staff
Python
SQL
Python
pySpark
Databases
Amazon Redshift
Databricks
AI/ML
Spark
DevOps
AWS
AWS Lambda
CI/CD
Jenkins
Amazon S3
GitLab
IAM
Analytics
Power BI
Tableau
SpotMe is an enterprise event management platform that provides solutions for organizing engaging, compliant events for various industries, including life sciences and pharmaceuticals, professional and financial services, and government. It offers in-person, hybrid, virtual event capabilities, and features such as event apps, CRM integrations, live engagement tools, and enterprise-grade security. SpotMe is recognized as a leader in B2B Event Management Technology and is trusted by Fortune 500 companies to deliver seamless and interactive event experiences.
Lausanne • Virtual Events • Event Technology • Events & Ticketing
≈ $90k – $216k per year (Estimated) • Staff+ • Remote (Europe) • Architect • English: C1
Apex
Apex
MuleSoft
DevOps
Rest API
SLI/SLO/SLA
Analytics
ETL/ELT
Marketing
Salesforce
Build and scale faster on the purpose-built AI cloud, engineered from silicon to API.
Amsterdam • Artificial Intelligence • Information Technology • Cloud Computing
≈ $46k – $107k per year (Estimated) • Senior • 7+ years exp • Amsterdam • Remote (Europe) • Full-Time • Senior • English
Python
Analytics
Tableau
Management
Confluence
Jira
Power Automate
Kalepa delivers critical risk insights and decision-ready quotes for every submission in minutes. Move faster, act decisively, and consistently select the most profitable risks - across every line you write.
Warsaw • New York • Salt Lake City • Artificial Intelligence • Financial Services • Insurance • Est. 2018
$100k – $185k per year • Equity • Staff+ • 8+ years exp • Remote (Europe) • Staff
Python
Databases
PostgreSQL
AI/ML
LLM
DevOps
Amazon EC2
AWS
AWS Lambda
$100k – $185k per year • Equity • Staff+ • 8+ years exp • Remote (Europe) • Staff
Python
Databases
PostgreSQL
DevOps
Amazon EC2
AWS Lambda
AWS
$80k – $165k per year • Equity • Senior • 5+ years exp • Remote (Europe) • Senior
Python
Databases
PostgreSQL
DevOps
Amazon EC2
AWS Lambda
AWS
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
Senior • Remote (EMEA) • Bachelor's Degree • Senior
Lead • Remote (EMEA) • Bachelor's Degree • Internship • Staff
Remote (AMER, EMEA, APAC)
Mercy Corps is a global team of humanitarians, working together on the front lines of today’s biggest crises to create a future of possibility, where everyone can prosper.
London • Bogotá • Civil Defense • Health Care • Government
≈ $151k – $300k per year (Estimated) • Executive • 7+ years exp • Remote (Europe, Asia) • Architect • Arabic: C1 • English
Fireblocks is a digital asset infrastructure company founded in 2018 and headquartered in New York. It provides institutional custody and transfer technology built on multi-party computation, together with a policy engine and a connected network of counterparties. Banks, exchanges, payment firms and asset managers use the platform to secure and move large volumes of tokenised value.
HQ: New York, United States • Stablecoins • Cryptocurrencies • Blockchain & Crypto • Est. 2018
$81k – $1M per year (gross) • Equity • Senior • 7+ years exp • In office (Prague, Czech Republic) • Bachelor's Degree • Contractor • Senior
Node JS
TypeScript
JavaScript
Frontend
React.js
DevOps
CI/CD
Platform Engineering
Web3
Arbitrum
DeFi
Ethereum
Ethers.js
Polygon
Smart Contracts
Solana
solana-web3.js
TON
Tron
Web3.js
Dentsu Aegis Network (rebranded globally as dentsu) is a major multinational media and digital marketing communications network specializing in advertising, brand strategy, and business transformation. The organization provides integrated solutions spanning creative storytelling, data analytics, media planning, and customer experience management for leading global brands.
HQ: Tokyo, Japan • Media & Entertainment • Sales & Marketing • Advertising • 501-1000 employees
Middle • 3+ years exp • Remote/Hybrid (Belgrade, Serbia, Prague, Brno, Czech Republic) • Full-Time • Middle
Python
Analytics
Power BI
Tableau
SpaceTech
QGIS
Senior • Remote/Hybrid (Prague, Brno, Czech Republic, Barcelona, Spain, Lisbon, Leiria, Portugal) • Full-Time • Senior
Apex
Apex
Lightning Web Components
Marketing
Salesforce
Senior • 3+ years exp • Remote/Hybrid (Prague, Brno, Czech Republic, Leiria, Lisbon, Portugal, Port Vila, Vanuatu) • Full-Time • Senior
Java
PowerShell
Python
Scala
SQL
Databases
Amazon Aurora
Apache Kafka
Databricks
DynamoDB
ElasticSearch
Google BigQuery
MS SQL
PostgreSQL
Redis
Snowflake
AI/ML
dbt
DevOps
AWS
AWS Lambda
Azure
Azure DevOps
CI/CD
GCP
GitHub Actions
Jenkins
Amazon Kinesis
AWS Step Functions
GitHub
Analytics
Power BI
Tableau
ETL/ELT
Management
Confluence
Jira
Marketing
Salesforce
Zencargo is a London company founded in 2017 that combines digital freight forwarding with supply chain software. Its platform gives importers visibility of shipments and recommends how to route and fund inventory. The company works with consumer brands and retailers moving goods from Asia into Europe.
HQ: London, United Kingdom • Freight Forwarding • Supply Chain • Transportation & Logistics • 51-200 employees • Est. 2017
Remote (Europe) • Full-Time
Remote (Europe) • Full-Time
Remote (Europe) • Full-Time
Kubernetes
Chips/EDA
PoC Library
HostPapa is a Canadian hosting company founded in 2006 and headquartered in Burlington, Ontario. It provides domains, web hosting and cloud services to small businesses. The company serves customers in dozens of countries.
HQ: Burlington, Canada • Content Creation • Web Hosting • Internet Services • 51-200 employees • Est. 2006
≈ $121k – $228k per year (Estimated) • Senior • 5+ years exp • Remote (EU) • Senior • English
Python
SQL
DevOps
AWS
Azure
GCP
Kubernetes
≈ $93k – $205k per year (Estimated) • Senior • Remote (EU, Europe) • Senior • English: B2
Python
Databases
Apache Kafka
NATS
PostgreSQL
Trino
AI/ML
Flink
RAG
Anthropic
Model Context Protocol
OpenAI
DevOps
AWS
Azure
Docker
GCP
Kubernetes
Storyblok is a headless content management system (CMS) that provides a modular, visual editor designed for developers and content creators alike. Headquartered in Linz, Austria, the company enables teams to build and manage digital experiences across websites, mobile apps, and e-commerce platforms using API-first technology. By decoupling backend content management from the frontend presentation layer, it helps businesses publish content faster and maintain a scalable digital footprint globally.
HQ: Linz, Austria • Web Development • Content Management Systems (CMS) • Software
≈ $78k – $170k per year (Estimated) • Equity • Senior • 5+ years exp • Remote (Europe) • Senior • English: C1
≈ $78k – $173k per year (Estimated) • Equity • Senior • 7+ years exp • Remote (Europe) • Bachelor's Degree • Internship • Senior
TypeScript
Ruby
Ruby
Ruby on Rails
DevOps
CI/CD
GitHub Actions
GitHub
Grafana
Kibana
QA
Playwright
Sentry
Jamf is a leading provider of Apple device management solutions. The company's platform helps businesses manage and secure their Apple devices, including iPhones, iPads, and Macs. Jamf's platform offers a range of features, including: Device enrollment App management Security and compliance Data management Support and troubleshooting Jamf's platform is designed to be user-friendly and scalable, with a focus on providing businesses with the tools they need to manage their Apple devices effectively.
London • Minneapolis • Amsterdam • Katowice • Brno • Data Quality • Data Management • Smartphones • Est. 2002
Senior • Brno • Remote (Czech Republic) • Full-Time • Senior
Swift
Swift
Swift Concurrency
Mobile
Fastlane
Middle • 3+ years exp • Brno • Remote (Czech Republic) • Middle
Java
Python
AI/ML
AI Agents
Claude
Claude Code
Copilot
Cursor
LLM
Function Calling
Structured Outputs
DevOps
Jenkins
GitHub
Cybersecurity
Least Privilege
FedRAMP
SOC 2
3Pillar Global is an international digital product development firm that partners with tech-forward companies to build custom software, web applications, and mobile platforms. The company combines product strategy, engineering, and user experience design to turn client concepts into scalable, revenue-generating digital products. Operating with global delivery centers, it delivers full-lifecycle product development to clients across media, healthcare, finance, and consumer sectors.
HQ: Washington, United States • Software • Information Technology • Artificial Intelligence • 1001-5000 employees
Senior • Remote (Czech Republic) • Full-Time • Senior • English
Python
JavaScript
Python
Flask
Databases
Snowflake
AI/ML
Airflow
Claude
Claude Code
Copilot
Cursor
A2A
AI Agents
Model Context Protocol
Frontend
React.js
DevOps
AWS
Azure AKS
Docker
Git
Kubernetes
Azure
GitHub
GitLab
Cybersecurity
Checkmarx
Snyk
QA
Pytest
Senior • 4+ years exp • Remote (Czech Republic) • Full-Time • Senior
Python
SQL
Python
Flask
Databases
Snowflake
AI/ML
Airflow
Claude
Claude Code
Copilot
Cursor
AI Agents
DevOps
Azure
Git
Rest API
GitHub
GitLab
Cybersecurity
Checkmarx
Snyk
QA
Pytest
Senior • Remote (Czech Republic) • Full-Time • Senior
Node JS
SQL
JavaScript
Databases
DynamoDB
DevOps
AWS
AWS Lambda
CI/CD
Docker
Kubernetes
Amazon S3
API Gateway
LocalStack streamlines your feedback loop, bringing the cloud directly to your laptop. Same production behavior. Faster feedback. Fully under your control.
Information Technology • Data & Analytics • AI Agents
≈ $45k – $113k per year (Estimated) • Senior • Remote (Germany, United Kingdom, Bulgaria, Czech Republic, Ireland) • PhD • Full-Time • Senior
Python
AI/ML
AI Agents
DevOps
AWS
OpenTofu
Pulumi
Terraform
GitHub
IAM
Azure
FinOps
Cybersecurity
ISO 27001
SOC 2
Management
Notion
Rohlik Group is an online grocery company headquartered in Prague, Czech Republic, and founded in 2014 by Tomas Cupr. The company sells fresh food and household goods from automated fulfilment centres with same day and short window delivery, carrying a much wider assortment than typical quick commerce services. It operates under local brands in the Czech Republic, Hungary, Austria, and Germany, and is one of the larger European online grocers outside the incumbent supermarket chains.
HQ: Prague, Czech Republic • Food Logistics • Food & Beverages • Transportation & Logistics • E-commerce Platforms • Commerce • Delivery • Online Groceries • Est. 2014
Remote/Hybrid (Prague, Czech Republic) • Full-Time
Claude
Claude Code
Computer Vision
PyTorch
Devin
LLM Evaluation
Post-training
Robotics
Localization
ROS
SLAM
Senior • 5+ years exp • Remote/Hybrid (Prague, Czech Republic) • Master's Degree • Full-Time • Senior
Claude
Claude Code
AI Agents
Devin
LLM Guardrails
DevOps
Trunk-Based Development
Lead • 7+ years exp • Remote/Hybrid (Prague, Czech Republic) • Full-Time • Principal
Wingtra is a Swiss drone company founded in 2016 as a spin-off of ETH Zurich. Its WingtraOne vertical take-off aircraft maps large areas at survey-grade accuracy for mining, construction and agriculture. The company sells through a global distribution network across dozens of countries.
HQ: Zurich, Switzerland • Electronic Components • Drones & UAVs • Hardware • Est. 2016
≈ $107k – $169k per year (Estimated) • Remote (Europe) • Bachelor's Degree • Full-Time
TypeScript
JavaScript
Databases
PostgreSQL
Frontend
Next.js
React.js
DevOps
CI/CD
Marketing
HubSpot
