Senior .NET Engineer

Relativity ODA LLC; Kraków; Hybrid; PLN 230,000 - 320,000; Full time

Job summary

Relativity ODA LLC is seeking a Senior Software Engineer to design, develop, test, and support RelativityOne cloud solutions built on Azure using .NET/C#. You’ll work in an agile Scrum team with engineers and business partners to deliver features and services that evolve the platform.

You will mentor engineers, drive engineering excellence, and improve CI/CD, testing, and observability practices while solving complex data-intensive problems for clients in regulated industries.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• 5+ years of experience developing commercial software systems using C#.
• Experience building cloud-scalable solutions on Microsoft Azure.
• Experience with scalable database technologies.
• Experience building a cloud-focused DevOps mindset with CI/CD tools (GitHub Actions, Harness, LaunchDarkly) and observability practices.
• Strong understanding of software engineering best practices (unit testing, code reviews, debugging).
• Hands-on experience using AI tools in engineering workflows (AI-assisted code generation, refactoring and review).

Responsibilities

• Contribute to a Scrum team through all phases of the software lifecycle.
• Architect, design, and deliver performant, scalable, secure software on Azure.
• Provide technical guidance and mentor engineers across the team.
• Participate in code reviews and promote engineering best practices.
• Develop and execute unit and integration tests and static analysis.
• Improve deployment workflows and CI/CD processes with modern tooling.
• Add observability, monitoring, and on-call readiness for production issues.
• Collaborate with stakeholders to refine requirements and drive delivery.
• Coach team members and foster a culture of continuous learning.

Skills

C#

TypeScript

JavaScript

Azure

CI/CD

GitHub Actions

Observability

Code reviews

AI-assisted coding

DevOps

Education

Bachelor's degree in CS/Engineering

Tools

Harness

LaunchDarkly

New Relic

Job description

Posting Type

Hybrid

Job Overview

WHO WE ARE

Relativity is a leading legal data intelligence company building technology that helps users organize data, discover the truth, and act on it with confidence. Our AI-powered, cloud platform, RelativityOne, transforms massive volumes of complex information into actionable insights for litigation, investigations, regulatory inquiries, data breach responses, and other high-stakes legal work where accuracy and trust are crucial.

The world's largest law firms, corporations, and government agencies rely on Relativity's legal AI software to securely surface and manage the most relevant and impactful information in their matters. Beyond our commercial impact, we are committed to expanding access to technology and supporting pro bono legal work.

WHAT WE DO

Matter Administration helps customers grow and scale the eDiscovery practices and businesses they run on Relativity. The team delivers solutions that improve administrator productivity, simplify configuration, and streamline system preparation for matter review.

From matter setup and workspace configuration to data archiving, restore, cost management, and billing solutions, Matter Administration provides the tools and services Relativity Administrators use to manage their environments effectively.

This team is building a greenfield product and owns the full solution lifecycle, from implementation in .NET to deployment through GitHub Actions and monitoring with New Relic. Team members contribute to architecture, influence engineering best practices, and help shape modern, scalable cloud solutions.

ABOUT THE ROLE

As a Senior Software Engineer, your primary mission will be to design, develop, test, deploy, and support RelativityOne cloud solutions built on Azure using .NET and C#. You will work as part of a Scrum team, collaborating closely with engineering peers and business stakeholders to deliver products, features, and services that evolve the RelativityOne platform.

You will contribute technical expertise across the software development lifecycle, mentor less experienced engineers, and support the team's technical leadership while helping drive engineering excellence and continuous improvement.

Job Description and Requirements

WHAT YOU'LL DO

• Contribute to a Scrum team throughout all phases of the software lifecycle, including conception, design, development, testing, deployment, and operations.
• Architect and design performant, scalable, and secure software solutions with a strong focus on quality.
• Apply object-oriented analysis, design, and programming principles using C#, TypeScript, and JavaScript, including SOLID principles and design patterns.
• Provide technical guidance to help deliver high-quality, secure and scalable software operating on large volumes of data.
• Participate in code reviews and promote engineering best practices.
• Develop and execute comprehensive unit and integration testing strategies, including static analysis.
• Improve software development processes by identifying and driving meaningful changes.
• Identify, document, automate, and engineer solutions for repetitive operational tasks.
• Contribute to and mature automated CI/CD deployment and upgrade workflows.
• Use monitoring and observability tools to proactively identify and resolve issues.
• Improve software quality, completeness, and knowledge sharing across the team.
• Troubleshoot production issues, resolve defects, and respond to customer-specific problems.
• Coach and mentor team members through technical guidance and education.
• Participate in an on-call rotation as a second line of support after gaining sufficient domain experience.
• Contribute to a culture of continuous learning, growth, and collaboration.

WHAT WE'RE LOOKING FOR

Required

• Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.
• 5+ years of experience developing commercial software systems and applications using C#.
• Experience building cloud-scalable solutions using cloud-native patterns, preferably on Microsoft Azure.
• Experience working with scalable database technologies.
• Experience building a cloud-focused DevOps mindset, including CI/CD processes and tools such as GitHub Actions, Harness, and LaunchDarkly, along with mature observability practices.
• Ability to design and implement mature deployment and release solutions.
• Strong understanding of software engineering best practices, including unit testing, code reviews, design documentation, debugging, and troubleshooting.
• Hands-on experience incorporating AI tools into day-day engineering workflows, including: AI-assisted code generation, refactoring, and review.
• Using AI for technical design, solution exploration, and documentation.
• Leveraging AI to plan and structure development and release activities.
• Critically evaluating AI-generated outputs and taking ownership of final technical decisions.

Experience working in Agile software teams, including mentoring, fea