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Senior Software Engineer - Fullstack

Kraków, PL🌐 Remote💼 Full-time💰 $208,000–$312,000🗓 2026-06-26 → 2026-09-25

Core

Design, build, and support high-throughput Import/Export services and front-end user experiences for RelativityOne, a legal data intelligence SaaS platform.

Role type

Senior Full Stack Software Engineer

Builds

Secure, cloud-native data ingestion and export services for litigation, investigations, and regulatory inquiries

Domain

Legal technology / Data intelligence / Cloud infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Advanced React, TypeScript, C#/.NET, distributed SaaS architecture, cloud-native delivery (Azure), CI/CD automation, front-end testing, production ownership, observability

Preferred skills

Microservices for high-volume event-driven workloads, mentoring frontend teams, design system maintenance

Technologies

React, TypeScript, C#/.NET, Azure

Responsibilities

Create architecture and non-functional design for Import/Export services; Decompose complex problems into resilient, cloud-native designs; Advise and mentor team members on code quality and technical debt; Own production systems via on-call procedures and root cause analyses; Drive operational excellence using observability data; Shape the roadmap with Product through data-backed decisions; Optimize CI/CD automation; Build front-end architecture and accessible UIs; Partner with Design to evolve a reusable component library

Seniority

Senior, hands-on IC with mentorship responsibilities

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