Location: Novi Sad, Serbia (preferred) We’re reinventing the market research industry. Let’s reinvent it together At Numerator, we believe tomorrow’s success starts with today’s market intelligence. We empower the world’s leading brands and retailers with unmatched insights into consumer behaviour and the influencers that drive it. Numerator, a data and tech company serving the North American market research space, has combined with Worldpanel, to create a new global consumer data company. This new company forms a powerhouse of technology enabled consumer insights from nearly five billion consumers worldwide, driving innovation and strategic solutions for thousands of customers. Join us in this groundbreaking venture and be part of a team that shapes the future of market research. Role's Mission As a Senior C# Developer, you will play a crucial role in the design and implementation of the infrastructure for one of Numerator's most cutting-edge projects. Our technology harnesses consumer-related data in many ways, including sophisticated web crawling and high-throughput data processing to deliver an unmatched view of the consumer shopping experience. You will be a technical leader, driving engineering best practices and building relationships with other teams within Numerator. Reasonable Adjustments Worldpanel by Numerator is committed to offering equal opportunities to all individuals, including during the recruitment process. If you require any reasonable adjustments or assistance, please advise us in advance of your interview so that we can make the necessary arrangements. How You'll Spend Your Time Lead the build and development of robust, scalable, and high-performance applications using C#/.NET Core. Apply established development tools, guidelines, and conventions, including but not limited to ASP.NET Core, modern API frameworks, and cloud-native services. Mentor junior and mid-level engineers, leading by example in code reviews and promoting development guidelines. Investigate, diagnose, and resolve complex defects and performance bottlenecks in existing systems serving millions of users. Drive the adoption of new technologies and methodologies to continuously improve the team's software development lifecycle and efficiency. Collaborate closely with product owners and data partners to define system architecture, document solutions, and translate business requirements into technical implementations. Manage defect tracking and system updates, ensuring the highest standards of code quality and stability. Supervise daily system activities and provide Tier 3 support when required. Maintain a strong attention to detail in all work and collaborate effectively in a remote-friendly setting.