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Offer summary
(Summary generated by AI based on the full job description)
The project involves building an AI/ML platform focused on document and structured data processing using Python, FastAPI, React, TypeScript. Responsibilities include backend API development, service integration, AI-driven workflow creation, and user-facing features for inspecting AI outputs. Required skills cover asynchronous workflows, thorough testing, and experience with AI/ML workflows and structured data. The role offers full remote work with private healthcare and sports benefits.
from: 27 May 2026
to: 26 June 2026
27 000 - 30 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior • expert
working mode:remote
location:Kraków, Lesser Poland
Kraków, Lesser Poland
Requirements
Expected technologies
Python
FastAPI
React Native
TypeScript
Google Cloud Platform
Optional technologies
Firebase
Firestore
Cloud SQL/PostgreSQL
OpenAI / LLM APIs
Our requirements
- 5+ years of professional software engineering experience.
- Strong experience with Python and backend API development.
- Experience with modern API frameworks, ideally FastAPI or similar.
- Good understanding of AI / ML product workflows or strong interest in building software around AI outputs.
- Experience designing and consuming API contracts, schemas, and structured JSON payloads.
- Comfort with asynchronous workflows, background jobs, retries, partial failures, and user visible process status.
- Commercial experience with modern frontend applications, preferably with React and TypeScript.
- Good testing habits, especially around edge cases, failure cases, and API behavior.
Optional
- Experience with AI / ML product workflows, including retrieval systems, embeddings, vector search, LLM based applications, or LLM APIs such as OpenAI, Gemini, Anthropic/Claude.
- Experience with data heavy products, including data workflows, document processing, data normalization, or working with structured evidence.
- Experience with cloud and data infrastructure, ideally Firebase, Firestore, Google Cloud Platform, Cloud Run, Cloud SQL, vector search, or Neo4j.
Your responsibilities
- Developing backend APIs in Python with FastAPI, for document upload, asynchronous processing, job status, retries, partial success, and structured results.
- Building product workflows around AI outputs, retrieval systems, document processing, and structured data.
- Connecting backend services, frontend applications, data workflows, and AI generated outputs into a reliable product experience.
- Creating user facing features that make AI outputs easier to inspect through source references, confidence signals, warnings, and clear error states.
- Working with structured data, documents, tables, financial metrics, and normalized evidence flows.
- Contributing to frontend features using React and TypeScript, especially around workflow status, evidence review, recommendations, and decision outputs.
- Writing tests around API contracts, edge cases, error cases, and realistic user workflows.
About the project
We are looking for a Senior Python AI Developer to build and scale an AI driven product platform in a fully remote setup. The role focuses on developing reliable product features around AI / ML workflows, document processing, retrieval systems, structured data, and user facing outputs that need to be clear, explainable, and easy to inspect.
This is how we organize our work
This is how we work
agile
This is how we work on a project
- Continuous Deployment
- Continuous Integration
- DevOps
- documentation
- issue tracking tools
- testing environments
What we offer
- 100% remote work
- Opportunity to work on modern ML/AI infrastructure
- Private healthcare and Multisport
- Real influence on technical decisions and architecture
- Exposure to cutting-edge technologies
- Collaborative and supportive team environment
Benefits
- sharing the costs of sports activities
- life insurance
- remote work opportunities
- flexible working time
BRAVER IT SPÓŁKA AKCYJNA
As Venture Building, we create profitable technology companies from scratch. We collaborate with partners who share similar aspirations and are open to leveraging the potential of their networks, cultivated over years. We regularly launch new projects founded on long-term, amicable relationships with our associates.
Senior Python AI Developer
27k–30k zł / mth. (B2B)
I apply to:
BRAVER IT SPÓŁKA AKCYJNA
Kraków, Lesser Poland
Need more information?
- Make sure the body of the offer doesn’t already include what you’re looking for.
- Ask a question if you need more information you’re interested in.
- We’ll forward your question to the employer and aim to provide a response within 3 business days.