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
Rho is an international full-service Contract Research Organization (CRO) and healthcare advisory firm headquartered in Durham, North Carolina, with European headquarters in Riga, Latvia. Founded in 1984 as a biometrics-focused research institute, Rho operates on a B2B and B2G fee-for-service clinical trial design, biostatistical analysis, and regulatory execution model.
HQ: Durham, United States • HQ: Riga, Latvia • Regenerative Medicine • Health Care • Clinical Research • Est. 1984
Senior • 5+ years exp • Remote/Hybrid (Belgrade, Serbia) • Full-Time • Senior
Java
Python
SQL
Databases
Databricks
Google BigQuery
Snowflake
PostgreSQL
AI/ML
Dagster
Prefect
RAG
AI Agents
OCR
MLFlow
Time Series Forecasting
DevOps
AWS
CI/CD
GCP
Kubernetes
Prometheus
Pulumi
Terraform
Vector
Analytics
Power BI
Intetics is a global software engineering and IT outsourcing company headquartered in Naples, Florida, and founded in 1995. The company builds distributed development teams and delivers custom software, data processing, quality assurance, geographic information systems, and digital transformation services under its Remote In-Sourcing model. It operates delivery centers across Eastern Europe and Latin America, serving clients in healthcare, logistics, finance, and the public sector.
HQ: Naples, United States • Quality Assurance • Data Engineering • Data & Analytics • Web Development • IT Consulting • IT Outsourcing • Information Technology • Software • Est. 1995
Senior • 5+ years exp • Remote (Poland, Romania, Serbia, Armenia, Azerbaijan) • Senior • English
SQL
DevOps
AWS
Analytics
ETL/ELT
≈ $67k – $97k per year (Estimated) • Senior • 4+ years exp • Remote (United Kingdom, Poland, Romania, Serbia, Spain) • Senior
Python
SQL
Python
pySpark
Databases
Databricks
Delta Lake
PostgreSQL
MS SQL
AI/ML
Spark
Feast
Feature Store
DevOps
AWS
Azure
CI/CD
SLI/SLO/SLA
Analytics
ETL/ELT
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
ODAIA is developing cutting-edge predictive analytics AI platforms to facilitate improved health journeys by enhancing interactions with healthcare providers and the pharma industry.
Pharmaceuticals • Health Care • Artificial Intelligence • Est. 2018
≈ $76k – $170k per year (Estimated) • Equity • Middle • 3+ years exp • Remote • Middle
Python
SQL
Databases
DynamoDB
Snowflake
AI/ML
Claude
Dagster
Together AI
AI Agents
DevOps
AWS
AWS Lambda
CI/CD
Amazon ECS
Amazon S3
API Gateway
Analytics
ETL/ELT
Marketing
Salesforce
Ruby Labs is a self-funded technology company that develops subscription-based digital consumer products across the health, wellness, education, and entertainment sectors. Leveraging an engineering-led architecture and proprietary data analytics, the firm builds scalable mobile applications designed to reach tens of millions of active global users. Operating with a remote-first, data-driven approach, the company focuses on creating high-impact consumer apps backed by internal marketing automation and custom payment infrastructures.
HQ: Los Angeles, United States • Health Care • Wellness • Software • Mobile App Development
Remote (EU, Bosnia and Herzegovina, Kazakhstan, Montenegro, Serbia) • Full-Time
JavaScript
Python
Ruby
SQL
Databases
ClickHouse
Google BigQuery
AI/ML
dbt
DevOps
CI/CD
GCP
Git
Marketing
Google Ads
Meta Ads
Perplexity AI is an American company that builds an answer engine combining live web search with large language models to return sourced, conversational responses instead of a list of links. Its products span a consumer assistant on web and mobile, the Comet browser, enterprise search over internal documents and the Sonar developer API that exposes the same grounded retrieval stack. Founded in 2022 in San Francisco by former researchers and engineers from OpenAI, Meta and Databricks, the company is backed by NVIDIA, IVP, New Enterprise Associates and SoftBank.
HQ: San Francisco, United States • AI Agents • Internet Services • Artificial Intelligence • Search Engines • LLM & Generative AI • 1001-5000 employees • Est. 2022
Staff+ • 4+ years exp • In office (Belgrade, Serbia, Berlin, Germany, London, United Kingdom) • Full-Time • Staff
Python
SQL
Databases
Databricks
AI/ML
LLM
Perplexity
Spark
Analytics
A/B Testing
Nordeus is a Serbian game developer founded in 2010 and headquartered in Belgrade. Its football management game Top Eleven has attracted hundreds of millions of players. The studio was acquired by Take-Two Interactive and remains based in Serbia.
HQ: Belgrade, Serbia • Mobile Games • 51-200 employees • Est. 2010
Equity • Junior • In office (Belgrade, Serbia) • Bachelor's Degree • Junior
Python
SQL
Analytics
Power BI
Tableau
Headquartered in Miami, Florida, Aleph is a global digital advertising and ad-tech solutions provider that connects major media platforms with advertisers across emerging and international markets. The company serves as an official advertising sales partner for leading global platforms - including Meta, X, TikTok, and Snapchat - enabling brands to execute localized digital ad campaigns in markets where those platforms do not maintain a physical operational presence.
HQ: Miami, United States • Commerce • Sales & Marketing • Advertising
$28k per year (gross) • Belgrade • Remote (Serbia) • Full-Time
SQL
Databases
Google BigQuery
AI/ML
LLM
DevOps
GCP
Analytics
ETL/ELT
Apex Group is a global financial services provider headquartered in Hamilton, Bermuda, and founded in 2003. The company offers a broad range of solutions including fund administration, corporate services, depositary, custody, digital banking, and ESG advisory services to asset managers and institutional investors. It operates through a network of over 90 offices in more than 50 countries, managing trillions of dollars in assets for a diverse client base across the private equity, real estate, and hedge fund sectors.
HQ: Hamilton, Bermuda • Professional Services • Risk Management • Capital Markets • Banking • Financial Services • Asset Management • 5000+ employees • Est. 2003
Senior • 5+ years exp • Remote/Hybrid (Sofia, Bulgaria, Valencia, Madrid, Spain, Belgrade, Serbia) • Full-Time • Senior
Java
Python
Scala
SQL
Databases
Amazon Neptune
Amazon Redshift
Apache Kafka
Azure Cosmos DB
Neo4j
RabbitMQ
Snowflake
DevOps
AWS
AWS Lambda
Azure
AWS Step Functions
Analytics
Power BI
ETL/ELT
Mira Construction is a general contracting and construction management firm that delivers residential, commercial, and institutional building projects. The company provides end-to-end project execution services, including pre-construction planning, site development, structural engineering, and interior finishing. By collaborating closely with architects and property owners, it focuses on delivering quality craftsmanship, cost-effective scheduling, and structural integrity tailored to client specifications.
HQ: Dubai, United Arab Emirates • Science & Engineering • Manufacturing • Civil & Structural Engineering
≈ $19k – $46k per year (Estimated) • Junior • Remote (Russia, United Arab Emirates, Belarus, Kazakhstan, Serbia) • Bachelor's Degree • Junior
About Worldwide Clinical Trials Worldwide Clinical Trials is a leading full-service global contract research organization (CRO) that works in partnership with biotechnology and pharmaceutical companies to create customized solutions that advance new treatments. Our capabilities include bioanalytical laboratory services, Phase I-IV clinical trials, and post-approval and real-world evidence studies - all powered by our team members who bring their expertise and a collaborative, personalized approach to each clinical program. Anchored in our company's scientific heritage, our dedicated therapeutic focus on cardiovascular, metabolic, neuroscience, oncology, and rare diseases, is applied to develop flexible plans and solve problems quickly for our customers.
Thiruvananthapuram • Buenos Aires • Kochi • Durham • Quebec • Regenerative Medicine • Clinical Research • Health Care • 501-1000 employees
≈ $41k – $106k per year (Estimated) • Senior • 7+ years exp • Mexico • Serbia • Remote (Mexico, Serbia) • High School Diploma • Full-Time • Senior
SQL
Databases
Azure SQL Database
PostgreSQL
DevOps
Azure
Cybersecurity
GDPR
HIPAA
Xsolla is a global video game commerce company that provides specialized financial and operational tools tailored for the gaming industry. The firm helps game developers and publishers fund, launch, market, and monetize their titles across PC, mobile, web, and cloud platforms. By operating as a merchant of record with support for over 1,000 local payment methods, it enables direct-to-consumer sales and seamless cross-border transactions for gaming studios worldwide.
HQ: Los Angeles, United States • Financial Services • Payments • Game Development • Gaming • 1001-5000 employees • Est. 2006
Senior • 5+ years exp • Remote (Serbia) • Full-Time • Senior
Bash
Python
SQL
Databases
MySQL
PostgreSQL
DevOps
AWS
Datadog
GCP
Grafana
Prometheus
Puppet
Terraform
Zabbix
