OpenMinds Global

Who We Are
 

OpenMinds is a cognitive defence tech company countering authoritarian influence in the battle for free and open societies. We work with over 30 governments and organisations worldwide, including Ukraine, the UK, and NATO member governments, leading StratCom agencies, and research institutions.

Our expertise lies in accessing restricted and high-risk environments, including conflict zones and closed platforms.

We combine ML technologies with deep local expertise. Our team, based in Kyiv, London, Ottawa, and Washington, DC, includes behavioural scientists, ML/AI engineers, data journalists, communications experts, and regional specialists.

Our core values are: speed, experimentation, elegance and focus. We are expanding the team and welcome passionate, proactive, and resourceful professionals who are eager to contribute to the global fight in cognitive warfare.
 

Who we’re looking for

OpenMinds is seeking a highly skilled ML/NLP Engineer with expertise in designing and implementing machine learning models for semantic search, sentiment analysis, text clustering, and text summarisation tasks.

The ideal candidate should possess a strong background in ML, NLP, and deep learning techniques, along with proficiency in Python, using of LLMs, experience with popular ML libraries/frameworks such as TensorFlow, PyTorch, or Keras, and capable of delivering solutions end-to-end — from development to deployment (MLOps).
 

In the position you will:

• Design, develop, and implement machine learning models and algorithms for semantic search, sentiment analysis, text clustering, and text summarisation tasks
• Train and fine-tune large language models using transformer architectures like GPT, BERT, or RoBERTa
• Extract and process social media data as a source for training and evaluating NLP models
• Build and deploy semantic search systems, sentiment analysis models, text clustering algorithms, and text summarisation tasks
• Utilise techniques such as graph-based ranking, attention mechanisms, and sequence-to-sequence models for text summarisation
• Ensure scalability of ML models within Google Cloud Platform
   

We are a perfect match if you have:

• 4+ years of experience in machine learning, natural language processing, and deep learning techniques
• Proficiency in Python and experience with ML libraries/frameworks like TensorFlow, PyTorch, or Keras
• In-depth knowledge of large language models, including transformer architectures like GPT, BERT, or RoBERTa
• Familiarity with state-of-the-art NLP libraries and frameworks, such as HuggingFace
• Experience in training and fine-tuning language models
• Solid understanding of contextual word embeddings and their applications in NLP tasks
• Familiarity with data preprocessing techniques like tokenisation, stemming, lemmatisation, and named entity recognition
• Proficient in cloud computing platforms (GCP is preferred) for ML model development and deployment (MLOps)
• English level: B2+
   

We offer:

• Work in a fast-growing company with proprietary AI technologies, solving the most difficult problems in the domains of social behaviour analytics and national security
• Competitive market salary
• Opportunity to present your work on tier 1 conferences, panels, and briefings behind closed doors
• Work face-to-face with world-leading experts in their fields, who are our partners and friends
• Flexible work arrangements, including adjustable hours, location, and remote/hybrid options
• Unlimited vacation and leave policies
• Opportunities for professional development within a multidisciplinary team, boasting experience from academia, tech, and intelligence sectors
• A work culture that values resourcefulness, proactivity, and independence, with a firm stance against micromanagement

Who We Are
 

OpenMinds is a cognitive defence tech company countering authoritarian influence in the battle for free and open societies. We work with over 30 governments and organisations worldwide, including Ukraine, the UK, and NATO member governments, leading StratCom agencies, and research institutions.

Our expertise lies in accessing restricted and high-risk environments, including conflict zones and closed platforms.

We combine ML technologies with deep local expertise. Our team, based in Kyiv, London, Ottawa, and Washington, DC, includes behavioural scientists, ML/AI engineers, data journalists, communications experts, and regional specialists.

Our core values are: speed, experimentation, elegance and focus. We are expanding the team and welcome passionate, proactive, and resourceful professionals who are eager to contribute to the global fight in cognitive warfare.
 

Who we’re looking for

We’re looking for a Full-stack Engineer (React + Python) to help us build and scale a robust message delivery platform. This role will be central in developing end-to-end systems that enable secure, efficient, and high-volume communication across multiple channels. You’ll deliver scalable backend services, intuitive interfaces, and real-time delivery pipelines.
 

In the position you will:

• Own the development of a scalable full-stack system for multi-channel message delivery, ensuring reliability across diverse formats such as SMS, voice, social media, and messenger platforms
• Develop interfaces to support informational campaign creation, scheduling, targeting, and performance monitoring
• Implement real-time data pipelines and backend services for dynamic audience segmentation, automation triggers, and delivery status tracking
• Integrate third-party APIs (e.g., Telegram, Facebook, TikTok) and manage communication flows with attention to speed, fault tolerance, and localization
• Collaborate with cross-functional teams to introduce personalization capabilities, AI-assisted content tools, and multilingual support into messaging workflows
• Optimize the platform for high-throughput environments, with a focus on system resilience, observability, and load management
• Maintain a secure and robust infrastructure within Google Cloud Platform
   

We are a perfect match if you have:

• 5+ years of hands-on experience in full-stack development using ReactJS (TypeScript), FastAPI (Python)
• Strong grasp of OOP, design patterns, RESTful APIs, database design, and cloud infrastructure (GCP is preferred)
• Track record of delivering production-ready, enterprise-level applications
• Strong skills in debugging, performance optimization, and writing clean, secure, maintainable code
• Experience in modular architecture, building reusable components and UI Kits
• Experience in DevOps (docker/k8s, IaaC, CI/CD)
• English B2+
   

We offer:

• Work in a fast-growing company with proprietary AI technologies, solving the most difficult problems in the domains of social behaviour analytics and national security
• Competitive market salary
• Opportunity to present your work on tier 1 conferences, panels, and briefings behind closed doors
• Work face-to-face with world-leading experts in their fields, who are our partners and friends
• Flexible work arrangements, including adjustable hours, location, and remote/hybrid options
• Unlimited vacation and leave policies
• Opportunities for professional development within a multidisciplinary team, boasting experience from academia, tech, and intelligence sectors
• A work culture that values resourcefulness, proactivity, and independence, with a firm stance against micromanagement