Lead Software Engineer

Lead Software Engineer

Relativity

Krakow, Poland

Role Responsibilities

The Lead Software Engineer at Relativity plays a crucial role in the product development team, driving the direction of architecture, mentoring developers, and ensuring the overall quality and performance of the user interface.

The Lead Software Engineer is responsible for delivering results for the product development department by:

• 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.
• Strong analytical and problem-solving skills, with the ability to think critically about complex issues.
• Adoption of 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 the practice of 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) is also important.
• Experience with RESTful APIs, GraphQL and knowledge of asynchronous programming, including Promises and async/await. Working mocks, mock API (for local developments or faster testing).
• Experience in 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 in 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 can be an additional advantage.
• Familiarity with AI-driven solutions in UI/UX, such as AI-assisted user interactions, personalization, generative design tools, or adaptive interfaces.
• AI Integration, including hands-on experience integrating chatbots, recommendation systems, or computer vision models into UI/UX workflows.