Senior Full-Stack Engineer (with .NET)

181 000 - 271 000 PLNGross per year - Permanent

Senior Full-Stack Engineer (with .NET)

Net

-, Kraków +3 Locations

Relativity

181 000 - 271 000 PLN
Gross per year - Permanent
Full-time
Permanent
Senior
Hybrid

Tech stack

    .NET Core

    advanced

    C#

    advanced

    Cloud

    advanced

    Kubernetes

    regular

Job description

Job Overview

Are you looking for a hybrid work opportunity? Are you interested in a workplace that allows for flexibility in your day? Are you ready for a workplace that provides benefits that suit your needs? Role summary As a Senior Software Engineer, your primary mission will be to design, write, test, deploy, and support our Relativity cloud (Azure) software products in .NET Core. You will work in a scrum team collaborating with other members of the engineering team and business stakeholders to support the development of products, features and services that drive and evolve our RelativityOne platform. You will use your knowledge to mentor less senior team members and support your team’s tech lead in his duties. Team summary You will join Relativity's Matter Administration department focused on helping our customers grow the eDiscovery practices and businesses that they are running on top of Relativity, delivering solutions to boost up productivity of an Administrator, simplify configuration and improve preparation of the system for matter review. From Matter setup and user workspace arrangement, data archiving and restore to cost management and billing solution, Matter Admin delivers tools and services for Relativity Administrators. This role involves working on a greenfield product, where the team fully owns the lifecycle of the solution - from implementation using .NET Core and Vue.js, to deployment via GitHub Actions, and monitoring through New Relic. You’ll have the opportunity to contribute to the architecture, influence best practices, and help shape modern, scalable projects from the ground up.



Job Description and Requirements


Your Role in Action  

  • Contribute to a Scrum team throughout all complex phases of a service lifecycle from conception through design, development, testing, deployment, and ultimately operation 

  • Architect and design performant, scalable, and secure software to a high degree of quality – not simply focusing on meeting requirements 

  • Object-oriented analysis (OOA), object-oriented design (OOD), and object-oriented programming (OOP) applying SOLID principles and design patterns in C# and TypeScript 

  • Contribute and provide technical guidance to a software development team to ship high-quality, performant, secure software that operates on data at a massive scale 

  • Participate in code reviews for projects written by your team 

  • Conduct comprehensive unit and integration testing and static analysis and rigorous test strategy development 

  • Improve the software development processes by recommending and driving changes 

  • Identify, document, automate, and engineer processes for repetitive tasks 

  • Contribute to and mature existing, automated deployment/upgrade CICD workflows 

  • Leverage monitoring and observability to proactively identify and fix problems 

  • Improve software quality and completeness and share design and implementation knowledge 

  • Troubleshoot issues, fix defects and respond to client-specific problems 

  • Provide technical guidance to team members through education and coaching 

  • After gathering relevant experience, you will participate in regular on-call technical support shifts as a second line of support if Client Services is not able to solve an urgent issue 

  • Embrace and contribute to a learning/growth culture and promote a healthy work environment 


Minimum Qualifications 

  • Bachelor's in computer science, engineering, or similar technical degree, or work equivalent experience 

  • 5+ years of experience in software development of commercial-grade systems and applications using C#  

  • Experience with .NET Core development 

  • Experience with web development using modern web frameworks (e.g. Angular, React or Vue) 

  • Ability to develop cloud scalable solutions using Cloud Native Patterns (Azure preferred) 

  • Understanding and following software engineering best practices: unit testing, code reviews, design documentation, excellent debugging and troubleshooting skills 

  • Ability to develop, enhance and troubleshoot cloud DevOps and CI/CD processes and tools (experience with GitHub Actions)  

  • Experience working in an agile software team, including mentoring. feature leadership and for cross-group collaboration 

  • Fluency in English 


Preferred Qualifications 

  • Experience with configuration management and IaaS (e.g. Pulumi)  

  • Experience with Kubernetes and containerization. 

  • Experience with observability frameworks and solutions (e.g. New Relic, Splunk)  


The information contained in this description has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications required of employees assigned to this job. Other duties and responsibilities may be assigned.


Relativity is a diverse workplace with different skills and life experiences—and we love and celebrate those differences. We believe that employees are happiest when they're empowered to be their full, authentic selves, regardless how you identify.


Benefit Highlights:

  • Comprehensive health, dental, and vision plans

  • Parental leave for primary and secondary caregivers

  • Flexible work arrangements

  • Two, week-long company breaks per year

  • Unlimited time off

  • Long-term incentive program

  • Training investment program


All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law.



Relativity is committed to competitive, fair, and equitable compensation practices.


This position is eligible for total compensation which includes a competitive base salary, an annual performance bonus, and long-term incentives.

The expected salary range for this role is between following values:

181 000 and 271 000PLN


The final offered salary will be based on several factors, including but not limited to the candidate's depth of experience, skill set, qualifications, and internal pay equity. Hiring at the top end of the range would not be typical, to allow for future meaningful salary growth in this position. 

Published: 25.08.2025

Meet the company

Relativity

At Relativity, we build the most innovative and comprehensive tools for making sense of unstructured data. When more people can find the facts in mountains of documents, emails, and texts, more legal and data-centric matters can be resolved equitably. Join us in our mission to help our customers organize data, discover the truth, and act on it.

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