Principal C# Developer

Principal C# Developer – LexisNexis Legal Do you thrive in a collaborative environment where you can mentor others, shape architecture, and work with top-tier partners? Are you ready to lead transformative legal tech innovation, architect scalable solutions, and empower teams through mentorship and strategic collaboration? About our Team LexisNexis Legal & Professional, which serves customers in more than 150 countries with 11,800 employees worldwide, is part of RELX, a global provider of information‑based analytics and decision tools for professional and business customers. Our company has been a long‑time leader in deploying AI and advanced technologies to the legal market to improve productivity and transform the overall business and practice of law, deploying ethical and powerful generative AI solutions with a flexible, multi‑model approach that prioritizes using the best model from today’s top model creators for each individual legal use case. About the Role We are seeking a Principal Software Engineer to lead complex development initiatives, solve technical challenges, and contribute to the design and architecture of our legal technology solutions. This role involves collaboration with internal teams and external partners, mentoring developers, and supporting strategic decision‑making. Responsibilities Act as a technical lead and point of contact for external technology partners. Contribute to product design and architecture. Collaborate with customers and end users to understand needs. Provide expert guidance on coding and technical issues. Write and review technical specifications and complex code. Resolve advanced bugs and performance issues. Design and manage complex data models. Mentor and support the growth of other developers. Participate in cross‑functional planning and project execution. Requirements 10+ years of experience in software engineering or a related field. Degree in Computer Science, Engineering, or equivalent practical experience. Proficiency in English and Spanish. Based in Mexico City or willing to commute 2 days per week to our Reforma office. Expertise in data modeling, optimization, and test‑driven development. Familiarity with architectural principles and scalable system design. Experience working with diverse teams and external technology providers. Strong organizational, planning, and problem‑solving skills. Work in a way that works for you We promote a healthy work/life balance across the organization. We offer an appealing working prospect for our people. With numerous wellbeing initiatives, shared parental leave, study assistance and sabbaticals, we will help you meet your immediate responsibilities and your long‑term goals. Working flexible hours - flexing the times when you work in the day to help you fit everything in and work when you are the most productive. Working for you We know that your well‑being and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer: Savings Fund Life Insurance Meal/Grocery Voucher About the Business LexisNexis Legal & Professional® provides legal, regulatory, and business information and analytics that help customers increase their productivity, improve decision‑making, achieve better outcomes, and advance the rule of law around the world. As a digital pioneer, the company was the first to bring legal and business information online with its Lexis® and Nexis® services. Seniority level Mid‑Senior level Employment type Full‑time Job function Engineering, Information Technology, and Product Management Technology, Information and Media, Software Development, and Legal Services #J-18808-Ljbffr