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AI Engineer

InsightfulBelgrade, Serbia | %Label_position_type_remote_% | Remote, Hybrid, Onsite

About us


Insightful is a market-leading platform for employee productivity and workforce analytics. We process really big data, synthesize it into actionable insights, and ultimately provide a best-in-class, easy-to-use product that empowers enterprise customers to improve employee productivity, business processes, and overall staff well-being.

Job Description


We’re investing heavily in applied AI to unlock the next wave of customer value. As our first dedicated AI Engineer, you’ll research, prototype, and productionize machine-learning and generative-AI models that power new features and sharpen existing ones. You’ll be the bridge between cutting-edge research and real-world impact.Built on a clean foundation and continuously updated, our current stack comprises Node.js (TypeScript), Elasticsearch, MongoDB, Kafka, and Redis, all running on Kubernetes (GKE).

Responsibilities:


  • Rapid prototyping & experimentation – design experiments and iterate quickly to validate ideas.
  • End-to-end model ownership – select, fine-tune, and evaluate classical ML, deep-learning, and LLM architectures best suited to each use case.
  • Performance & cost optimization – profile models, prune/quantise where it matters, and keep latency and cloud spend in check.
  • Integrate AI into Product – work within a cross-functional team, contributing to the seamless integration of AI components into the backend.
  • Write Clean Code - scalable, high-performance, and reusable code, with a strong focus on testing and maintainability.
  • Contribute Knowledge - Contribute to team knowledge sharing through code reviews, documentation, and mentorship
  • Tools Stack - Evaluate and select the most effective tools and technologies to enhance daily workflows

You are a great fit for this role, if you have:


  • Formal education in Computer Science or a closely related field 6+ years of traditional programming experience
  • Familiarity with RAG, Vector Databases, or similar technologies relevant for AI feature development.
  • Solid fundamentals in software design, architecture, and development best practices
  • Experience working with databases, preferably NoSQL
  • Fluency in English, both written and spoken

Bonus points:


  • Advanced use of AI-assisted coding tools (Copilot, Cursor) to accelerate development workflows.
  • Familiarity with one or more of Hugging Face, PyTorch, and TensorFlow.
  • Experience with ElasticSearch, MongoDB, or Kafka
  • A background in microservices architecture and distributed systems
  • Familiarity with front-end technologies such as Angular, HTML, and CSS

Life at Insightful

Care about your company’s productivity? You sound a lot like us, then. Problem is, creating a productive organization takes more than one set of eyes. That’s where we come in. Like your all-seeing sidekick, Insightful tracks employee activity, time and productivity to build a more efficient and focused workplace.
Thrive Here & What We Value1. Market-leading platform for workforce analytics2. Empowers enterprise customers to improve employee productivity, business processes, and overall staff well-being3. Emphasis on innovation and creativity4. Collaborative and highperforming team culture5. Continuous improvement in deployment and monitoring processes6. Psychological safety within the team7. Clear communication and people development skills8. Strong technical expertise in cloud environments and CI/CD processes9. Mentored by world's leaders in marketing and product marketing space10. Best-in-class product

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