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Offer summary
(Summary generated by AI based on the full job description)
The project involves building an AI-native product functioning as a proactive AI assistant managing conversations, tasks, and workflows. Requires expertise in frontend and backend development and integrating Large Language Models (LLMs) and memory systems. Responsibilities cover feature development, intelligent agent implementation, low-latency performance, and scalable architecture. Work focuses on AI solutions and system optimization within a startup environment.
from: 5 August 2026
to: 4 September 2026
salary not specifiedB2B contract (full-time)
Offer parameters
level:senior
working mode:remote
location:Warszawa, Masovian
Warszawa, Masovian
Requirements
Optional technologies
Next.js
Python
Node.js
PyTorch
Kubernetes
Docker
SQL
NoSQL
OpenAI
Anthropic
Operating system
macOS
Our requirements
- Has solid commercial experience as a Full Stack Engineer
- Is confident working with modern frontend and backend technologies
- Has experience building AI-powered applications or integrating Large Language Models (LLMs)
- Understands software architecture, APIs, and scalable system design
- Enjoys solving complex engineering problems with pragmatic solutions
- Takes ownership and enjoys delivering products from concept to production
- Thrives in fast-paced startup environments with evolving requirements
- Is passionate about AI, emerging technologies, and building products that create real user value
- Communicates effectively and enjoys working in highly collaborative teams
Optional
- Experience with RAG architectures or AI agent frameworks
- Familiarity with technologies such as Next.js, Python, Node.js, PyTorch, Kubernetes, Docker, SQL, and NoSQL databases
- Experience working with OpenAI, Anthropic, or open-source LLMs
Your responsibilities
- Build end-to-end product features across frontend, backend, and AI systems
- Design and implement intelligent agent workflows capable of planning, reasoning, and task execution
- Integrate Large Language Models, memory systems, and external tools into production-ready applications
- Develop reliable AI experiences with real-time interactions and low-latency performance
- Improve system resilience through observability, monitoring, and recovery mechanisms
- Collaborate closely with Product, Machine Learning, and Backend Engineers to deliver impactful features
- Continuously optimise AI workflows based on user feedback, performance, and production insights
- Contribute to scalable architecture and engineering best practices for AI-native applications
About the project
What if you could help build an AI product that goes far beyond chatbots?
Join an ambitious team on a mission to create a proactive AI assistant that helps people manage conversations, tasks, workflows, and everyday life—with minimal prompting. Instead of simply answering questions, you’ll build intelligent systems that plan, reason, recover from failures, and complete real-world tasks.
If you’re excited by AI-native products, enjoy solving complex engineering challenges, and want to shape the future of intelligent software…
Feel invited! This is your opportunity to build AI that truly makes a difference.
This is how we organize our work
This is how we work
at the client's site
This is how we work on a project
- documentation
- issue tracking tools
- testing environments
Congrats! If you want to build AI that goes beyond conversations and helps millions of people accomplish real-world tasks every day, this role is ideal for YOU!
What we offer
- Full-time employment
- 100% remote work
- Opportunity to build an AI-native product with global ambitions
- Work with state-of-the-art AI technologies and modern backend infrastructure
- High ownership and autonomy from day one
- Collaboration with an exceptional engineering team passionate about innovation
- Fast-paced environment where your ideas have real impact
- Opportunity to solve complex engineering challenges at scale
NTIATIVE sp. z o.o.
NTIATIVE is one of the best Polish recruitment agencies because we specialise in IT and IT only and avoid all other distractions.
We want to provide a unique and unforgettable experience by matching tech talent with great employers.
Our team delivers to the commitments we gave to each other, our candidates and our clients.
Full Stack Engineer – AI Systems
I apply to:
NTIATIVE sp. z o.o.
Warszawa, Masovian
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