Lead Software Engineer

Job Overview

Posting Type Hybrid. At Relativity, we build technology that helps people uncover the truth in complex data. Our software empowers legal professionals, governments, and organizations worldwide to navigate high-stakes matters with confidence, clarity, and integrity. By combining advanced AI, powerful analytics, and cloud-based technology, we help teams make sense of massive volumes of information and move critical work forward faster and more accurately. Every role at Relativity contributes to creating scalable, secure, and intelligent solutions with real-world impact—while fostering a culture where curiosity, collaboration, and inclusion thrive and where employees help shape the future of legal technology.

Responsibilities

• The Lead Software Engineer plays a crucial role in the product development team, driving the direction of architecture, mentoring developers, and ensuring overall quality and performance of the user interface.
• Work with management to set and communicate team goals and vision aligned to business requirements.
• Ensure the team stays focused and delivers against the goals, adapting to changing business requirements.
• Provide input into system software architecture development and future initiatives by working with Staff, Principal Engineers, and Architects as required.
• Drive technical direction, planning, and effective solutions in enterprise-class system.
• Specify non‑functional software requirements and analyze all requirements to determine design feasibility within time and cost constraints to deliver quality software.
• Have strong analytical and problem‑solving skills, with the ability to think critically about complex issues.
• Adopt AI‑assisted coding tools (e.g., Copilot, Cursor) to accelerate development, reduce boilerplate, and focus on solving business‑critical problems.
• Lead and empower team to apply key design patterns, coding best practices, and methodologies.
• Lead the test of software with traceability back to requirements, emphasizing Test‑Driven Design and the use of autonomous frameworks and Continuous Integration.
• Exemplify Core Values and be a role model.
• Motivate team through changes and failures.
• Collaborate with management to mentor team members and guide development growth.
• Drive a culture of one global department, one mission.

Required Technical Skills and Experience

• Deep understanding of semantic HTML and modern CSS, including pre-processors like SASS or LESS.
• Strong proficiency in JavaScript, including ES6+ features and familiarity with TypeScript for large projects.
• Extensive experience with modern JavaScript frameworks/libraries like React, Angular, Vue.js, Webpack 5.
• In-depth knowledge of state management libraries (like Redux, MobX, Vuex).
• Experience with RESTful APIs, GraphQL, and asynchronous programming, including Promises and async/await.
• Experience creating responsive designs that work across a wide range of devices and screen sizes.
• Understanding of browser differences and experience with tools for cross-browser testing.

Required Experience

• 5–7+ years of experience in development, with at least 2–3 years in a lead role.
• 3–5+ years of experience in software development using C# and .Net, or related object‑oriented programming languages.
• Experience developing scalable solutions in Azure or other cloud platforms and building observable systems with SLA and SLOs defined.
• Experience working on large-scale web applications or enterprise platforms.
• Experience leading projects from conception through to delivery.
• A strong portfolio showcasing a range of projects, particularly those where the candidate played a lead role in the development.

Desirable Additional Skills and Experience

• Understanding of backend technologies (.Net, Node.js, Python, etc.) to facilitate better collaboration with backend teams.
• Experience or strong understanding of UI/UX principles.
• Familiarity with AI-driven solutions in UI/UX, such as AI‑assisted user interactions, personalization, generative design tools, or adaptive interfaces.
• Experience integrating chatbots, recommendation systems, or computer vision models into UI/UX workflows.

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.
• Additional 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 270000 and 406000PLN. 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. Required Skills: Documentations, Innovation, Leadership, Problem Solving, Process Improvements, Project Management, Quality Assurance (QA), Risk Management, Technical Knowledge, Troubleshooting.

We’re solving big data challenges in the legal tech industry, and we’re always looking for more people to join us on the journey. At Relativity, you'll learn cross‑functional skills to grow your career and have the chance to make a big impact on our customers, our industry, and our communities. We admire and value our employees, so it’s no surprise that our hiring process is designed to help us really get to know you – and for you to get to know us, too.