Mindrift is an expert-sourcing and AI training platform owned by Toloka (a data services enterprise owned by Nebius Group, Nasdaq: NBIS), operating primarily out of Amsterdam, Netherlands. Launched by Toloka CEO and founder Olga Megorskaya to elevate crowd-sourced data generation into high-level human feedback, Mindrift operates on a B2B data-as-a-service (DaaS), custom enterprise AI training contract, and freelance expert marketplace model.
HQ: Amsterdam, Netherlands • Professional Services • Data Entry & Processing • Cybersecurity • 1001-5000 employees • Est. 2014
up to $80k per year • Senior • 5+ years exp • Remote (Bulgaria, Czech Republic, Hungary, Poland, Romania) • Part-Time • Senior • English: C1
JavaScript
Python
TypeScript
Python
FastAPI
Databases
Apache Kafka
PostgreSQL
Redis
AI/ML
AI Agents
Prompt Engineering
Frontend
React.js
DevOps
Docker
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
Milestone Systems is a global provider of data-driven open-platform video management software (VMS) and security technology solutions. Operating as a standalone entity within the Canon Group, the company's enterprise product suite centers on its flagship XProtect VMS platform alongside integrated offerings like BriefCam advanced video analytics and Arcules cloud surveillance software.
Sofia • Copenhagen • Lake Oswego • Sydney • Barcelona • Data & Analytics • Artificial Intelligence • Cybersecurity • 501-1000 employees
Junior • 2+ years exp • In office (Sofia, Bulgaria) • Bachelor's Degree • Junior
CI/CD
Cybersecurity
Wireshark
LucidLink is a cloud file streaming and data management technology enterprise headquartered in San Francisco, California, with major R&D operations in Sofia, Bulgaria. Founded in 2016 by Peter Thompson and George Dochev, the venture-backed firm has raised over $90 million from investors including Bright Pixel Capital, Headline, and Baseline Ventures.
HQ: San Francisco, United States • Information Technology • Cloud Computing • Internet Services • Cloud Storage & File Sharing • Est. 2016
Equity • Staff+ • In office (Sofia, Bulgaria) • Full-Time • Staff
CI/CD
Shift-Left
Cybersecurity
Shift-Left Security
Equity • Senior • In office (Sofia, Bulgaria) • Full-Time • Senior
SportyBet is an international sports betting, gaming, and digital entertainment platform owned by Sporty Group. Founded by Sudeep Ramnani in 2013, the platform is a market-leading sports betting operator in Africa - with operations across Nigeria, Ghana, Kenya, Zambia, Tanzania, and Uganda - and has expanded internationally into markets like Brazil.
HQ: London, United Kingdom • Gaming • Sports • iGaming & Gambling • Sports Betting • Est. 2013
≈ $77k – $170k per year (Estimated) • Senior • 3+ years exp • Remote (EU) • Bachelor's Degree • Senior
Python
Databases
MongoDB
MySQL
DevOps
CI/CD
Docker
Jenkins
Kubernetes
Rest API
AWS
Management
Jira
QA
Chrome DevTools
Playwright
Postman
Selenium
Appium
≈ $62k – $180k per year (Estimated) • Lead • 8+ years exp • Remote (Europe) • Bachelor's Degree • Staff
Python
Databases
MongoDB
MySQL
DevOps
AWS
CI/CD
Docker
Jenkins
Kubernetes
Rest API
Management
Jira
QA
Appium
Chrome DevTools
Playwright
Postman
Selenium
IQVIA (NYSE:IQV) is a leading global provider of advanced analytics, technology solutions, and clinical research services to the life sciences industry. IQVIA creates intelligent connections across all aspects of healthcare through its analytics, transformative technology, big data resources and extensive domain expertise. IQVIA Connected Intelligence™ delivers powerful insights with speed and agility - enabling customers to accelerate the clinical development and commercialization of innovative medical treatments that improve healthcare outcomes for patients.
HQ: Durham, United States • Data Quality • Cybersecurity • Data & Analytics • Health Care • Clinical Research • 5000+ employees
≈ $36k – $88k per year (Estimated) • Senior • 5+ years exp • In office (Madrid, Spain, Prague, Czech Republic, Budapest, Hungary, Lisbon, Portugal, Belgrade, Serbia) • PhD • Full-Time • Senior • Italian
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 • 10+ years exp • Sofia • Remote (Bulgaria) • Bachelor's Degree • Full-Time • Senior
Bash
Python
DevOps
AWS
Azure
Chaos Engineering
CI/CD
containerd
Docker
GCP
GitHub Actions
GitOps
Grafana
Harbor
Helm
Istio
Jaeger
Jenkins
kubectl
Kubernetes
Linkerd
Platform Engineering
Prometheus
Service Mesh
GitHub
QA
k6
Pytest
ClickHouse is an open-source, column-oriented DBMS (Database Management System) designed for Online Analytical Processing (OLAP). Originally created by Yandex in 2009 and spun out into an independent company in 2021, it is engineered for real-time reporting, fast query execution, and high-performance data analytics at petabyte scale.
HQ: San Francisco, United States • Information Technology • Data & Analytics • Big Data • Database Management • 1001-5000 employees
Equity • Remote (EMEA, United States)
ClickHouse
AI/ML
Cursor
Lovable
DevOps
IAM
AWS
Azure
GCP
Cybersecurity
GDPR
HIPAA
ISO 27001
PCI DSS
SOC 2
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 – $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
CoverGo is an insurance technology company headquartered in Hong Kong and founded in 2017. The company sells a no-code core insurance platform covering policy administration, claims, underwriting, and distribution, connected through APIs so insurers can launch products without replacing legacy systems. It works with insurers, brokers, and banks across Asia, the Middle East, Europe, and North America.
HQ: Hong Kong • AI Agents • Artificial Intelligence • Middleware Software • Software • FinTech • Financial Services • Insurance • 51-200 employees • Est. 2017
Junior • 2+ years exp • Kathmandu • Remote (AMER, EMEA, Asia) • Bachelor's Degree • Full-Time • Junior • English: B2
Senior • 4+ years exp • Kathmandu • Remote (AMER, EMEA, Asia) • Bachelor's Degree • Full-Time • Senior
Equity • Lead • 8+ years exp • Sofia • Remote (Bulgaria) • Bachelor's Degree • Full-Time • Staff
JavaScript
C#
C#
.NET
QA
Cucumber
Cypress
Jest
JMeter
Mocha
Selenium
Playtech is a global gambling technology company that develops software, platforms, and digital content for the online and land-based gaming industry. Founded in 1999, the company offers a comprehensive suite of products, including online casino games, live dealer experiences, sports betting solutions, and poker networks. Headquartered in the Isle of Man and listed on the London Stock Exchange, it delivers end-to-end infrastructure and services to top betting operators worldwide.
London • Sofia • Kyiv • Nicosia • Tartu • Sports Betting • Gaming • iGaming & Gambling • 5000+ employees • Est. 1999
Junior • 2+ years exp • Remote/Hybrid (Sofia, Bulgaria) • Full-Time • Junior
SQL
Databases
Apache Kafka
ClickHouse
Oracle
PostgreSQL
Redis
AI/ML
ChatGPT
Claude
Cursor
DevOps
ArgoCD
Git
Grafana
Jenkins
Kibana
Kubernetes
QA
Postman
TestRail
Evolution is a leading global B2B developer and supplier of online casino systems, specializing in live dealer gaming and digital casino entertainment. The company designs, produces, and licenses fully integrated live casino studios, game shows, and RNG table games to licensed online gaming operators worldwide. Leveraging state-of-the-art video streaming, real-time software automation, and multi-platform infrastructure, it helps casino brands deliver immersive, high-definition gaming experiences to players across regulated markets.
HQ: Stockholm, Sweden • Gaming • iGaming & Gambling • 5000+ employees
In office (Sofia, Bulgaria) • Full-Time • Senior
JavaScript
Node JS
Frontend
Vue.js
DevOps
CI/CD
Git
GitLab
QA
Cypress
In office (Sofia, Bulgaria) • Full-Time • Junior
JavaScript
Node JS
DevOps
Git
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
≈ $107k – $213k per year (Estimated) • Staff+ • Remote • Bachelor's Degree • Staff
Ubuntu
Cybersecurity
ISO 27001
NIST CSF
SUNOTEC is a leading European company in the development and construction of large-scale solar power plants, specialising in the end-to-end delivery of future-ready energy infrastructure.
Sofia • Energy Efficiency • Energy & Utilities • Solar Energy • Est. 2012
Sofia • Remote (Bulgaria) • Bachelor's Degree • Full-Time • German (Optional)
Aristocrat Leisure is an Australian gambling technology and entertainment company that stands as one of the world's largest manufacturers of slot machines and electronic gaming systems. Founded in 1953 and headquartered in Sydney, the enterprise designs, manufactures, and distributes land-based gaming hardware, casino management software, and mobile social casino games. By continually expanding its global footprint across North America, Europe, and Asia-Pacific, it delivers interactive gaming content and digital solutions to regulated operators worldwide.
HQ: Sydney, Australia • Mobile Games • Gaming • iGaming & Gambling • 501-1000 employees
Junior • 2+ years exp • Remote/Hybrid (Sofia, Bulgaria) • Full-Time • Junior
Lead • 5+ years exp • Remote/Hybrid (Sofia, Bulgaria) • Bachelor's Degree • Full-Time • Staff
Sand Technologies (Sand Tech Holdings) is a global artificial intelligence and digital transformation company that partners with governments, cities, and enterprises to modernize critical infrastructure across healthcare, telecommunications, water, energy, and public systems. The company develops enterprise-grade data platforms, digital twin solutions, and specialized software - such as its Health Operating System (HOS) - to enable real-time operational decision-making in complex environments. Headquartered with operations spanning Africa, Europe, the UK, and the US, it also collaborates with initiative networks like ALX to train digital tech talent and deploy forward-deployed engineering teams worldwide.
HQ: London, United Kingdom • Information Technology
Senior • 5+ years exp • Remote (EMEA) • Internship • Senior
TypeScript
AI/ML
Copilot
Cursor
Frontend
GraphQL
DevOps
CI/CD
GitHub Actions
GitHub
Management
ClickUp
Notion
QA
Playwright
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
≈ $14k – $59k per year (Estimated) • Junior • 2+ years exp • Leipzig • Remote (EU) • Full-Time • Junior • English
Injective is a financial blockchain infrastructure developer headquartered in New York City, United States, and founded in 2018. The company develops a layer 1 blockchain protocol optimized for decentralized finance applications, including perpetual swaps, spot trading, and asset tokenization. It operates as an open-source ecosystem serving institutional clients, developers, and global financial markets through its interoperable network and plug-and-play modules.
HQ: New York, United States • Financial AI • Artificial Intelligence • Capital Markets • Financial Services • Asset Tokenization • DeFi • Blockchain & Crypto • Blockchain Infrastructure • Est. 2018
≈ $57k – $136k per year (Estimated) • Middle • 4+ years exp • Remote (Europe) • Full-Time • Middle
TypeScript
DevOps
CI/CD
Docker
gRPC
Kubernetes
WebSockets
Web3
Cosmos
DeFi
Ethereum
Injective
MetaMask
Smart Contracts
Solana
QA
Playwright
Pytest
Endava is a global provider of digital transformation, agile software engineering, and technology consulting services. Headquartered in London, the company specializes in helping businesses across payments, financial services, healthcare, retail, and telecommunications modernize their digital architecture and product capabilities. Operating nearshore delivery centers across Europe, North America, Latin America, and Asia-Pacific, it partners with enterprises to build scalable, high-performance software solutions.
HQ: London, United Kingdom • Information Technology • IT Consulting • Software • 1001-5000 employees • Est. 2000
Senior • 8+ years exp • Remote/Hybrid (Sofia, Bulgaria) • Full-Time • Senior
Bicep
CI/CD
Helm
Kubernetes
Terraform
Azure
Cilium
Datadog
Dynatrace
Istio
Service Mesh
Cybersecurity
Checkmarx
Checkov
Clair
Grype
kube-bench
Kubescape
Lacework
Microsoft Defender
Microsoft Defender for Cloud
Polaris
Prisma Cloud
Prowler
Snyk
Syft
Sysdig Secure
Tcpdump
Terrascan
tfsec
Trivy
Wireshark
Wiz
Supabase is an open-source backend-as-a-service company headquartered in San Francisco, California, and founded in 2020. The company provides a suite of development tools built on top of PostgreSQL, including database management, user authentication, edge functions, real-time data synchronization, and vector storage for machine learning applications. Operating as a remote-first organization, it serves a global community of developers and enterprises by offering a scalable alternative to proprietary cloud platforms through its integrated suite of open-source technologies.
HQ: San Francisco, United States • Machine Learning • Artificial Intelligence • Cloud Computing • Mobile App Development • Software • Web Development • Information Technology • Database Management • 201-500 employees • Est. 2020
Equity • Senior • 7+ years exp • Remote (AMER, EMEA) • Full-Time • Senior
PostgreSQL
Supabase
AI/ML
AI Agents
DevOps
IAM
Cybersecurity
HIPAA
SOC 2
FedRAMP
ISO 27001