New offer - be the first one to apply!
October 13, 2026
Staff Backend Engineer (Submission Processing)
Senior • Remote
588,165 - 725,403 PLN/yr
Warsaw, MA, Poland
Quick Facts
Role: Staff Backend Engineer (Submission Processing)
Focus: Backend systems for LLM-based submission processing in insurance
Description
You will design, build, and scale LLM-based systems that process billions of unstructured data points daily to extract precise information and surface insights for high-stakes insurer decisions. This Staff engineer role sits at the intersection of AI and backend engineering, with major ownership over architecture and technical direction under ambiguity.
Responsibilities
Design backend systems and make architectural calls under uncertainty
Build and scale LLM-based processing pipelines for large-scale, unstructured data
Take end-to-end ownership of outcomes with minimal oversight
Debug, improve reliability, and iterate based on measurable results
Collaborate proactively with stakeholders and keep them informed of progress and blockers
Requirements
8+ years of software engineering experience
Strong system design, debugging, and problem-solving fundamentals
Proven experience with LLMs in production and deploying at scale
AWS and serverless experience (Lambda, EC2)
Experience with asynchronous workflows and cloud environments
Python proficiency (primary stack)
Relational database experience, ideally PostgreSQL
Comfortable experimenting (test, measure, iterate)
Proactive communication and strong ownership
Bonus: document pipeline experience and processing large volumes of data
Benefits
Competitive salary based on experience level
Significant equity options package
20 days PTO per year
Global team offsites
Healthy living/gym stipend and mobile phone bill stipend
Continuing education credits
Similar jobs you might like
Staff Software Engineer (Python)
DevsData LLC
Senior
Technology
Warsaw, Poland · Remote
38K zł - 54K zł/yr
14 days ago
Staff Software Engineer I (Backend)
Housecall Pro
Senior
Technology
Warsaw, Poland · Remote
378K zł - 448K zł/yr
11 days ago
Junior Backend Engineer
Kalepa
Junior
Technology
Warsaw, Poland · Remote
231K zł - 270K zł/yr
13 days ago
Backend Engineer (Europe)
Kalepa
Mid
Technology
Warsaw, Poland · Remote
309K zł - 405K zł/yr
13 days ago
Senior Backend Engineer (Python/AWS)
DevsData LLC
Senior
Technology
Warsaw, Poland · Remote
26K zł - 48K zł/yr
11 days ago
Senior Python Engineer (AI Platform Services)(#5874)
N-iX
Senior
Technology
Kraków, Poland · Remote
23K zł - 24K zł/yr
11 days ago
Staff Engineer PHP
cyber_folks S.A.
Senior
Technology
Wrocław, DS, Poland · Remote
N/A
13 days ago

Senior Java Engineer
Yard Corporate
Senior
Technology
Kraków, Pl-6, Poland · On-site
360K zł - 420K zł/yr
12 days ago
Lead Software Engineer
itMatch
Senior
Technology
Kraków, Poland · On-site
N/A
5 days ago
Senior Software Engineer, AI & Temporal
Ready4S
Senior
Technology
Kraków, MA, Poland · Remote
360K zł - 480K zł/yr
14 days ago
Unlock Full Resume Report
ATS Pass
Missing keywords
Tailored AI suggestions
Job match analysis
Interview-focused insights