Software Engineer III; Python & C#

Software Engineer III (Python & C#)

Excited to architect, build, and elevate complex systems?

Do you thrive in solving challenging problems with Python and C#, while driving engineering excellence across teams?

Lexis Nexis Intellectual Property, with 11,300 employees worldwide and serving customers in more than 150 countries, is part of RELX, a global provider of information‑based analytics and decision tools for professional and business customers.

This position performs moderately difficult research, design, and software development assignments within the LNIP intelligence core platform. Software Engineer III works independently on individual pieces of work and solves moderately complex technical problems, including designing program flow, implementing effective code, performing unit testing, resolving defects, and contributing to system component design and specifications.

• Create specifications for and develop and maintain a semantic search API.
• Successfully implement development processes, coding best practices, secure coding standards, unit testing, code coverage expectations, and code reviews.
• Maintain an internal data curation tool.
• Use agentic development tools responsibly to accelerate development while maintaining code quality, security, correctness, and maintainability.

• Proficiency in development languages, including but not limited to:
  Python, C#, .NET, JavaScript, Type Script, React, and Angular.
• Proficiency in at least one agentic development tool, including but not limited to:
  Git Hub Copilot, OpenAI Codex, Claude Code, Cursor, or Coder.
• Familiarity with industry best practices, including agentic code development, secure coding practices, security scans, versioning, unit testing, test‑driven development, measuring code coverage, code reviews, and cloud deployment.
• Proficiency with data manipulation languages, understanding of data modelling principles, and ability to work with complex data models.
• Knowledge of software development methodologies, including Agile and Waterfall.
• Knowledge of data query and manipulation languages, including SQL and PySpark.
• Knowledge of data storage subsystems.
• Knowledge of vector embeddings of text and their application in intelligent software systems.

Join our team and contribute to a culture of innovation, collaboration, and excellence. If you are ready to advance your career and make a significant impact, we encourage you to apply.

We promote a healthy work/life balance across the organisation. 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.

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:

• Generous holiday allowance with the option to buy additional days.
• Health screening, eye care vouchers, and private medical benefits
• Wellbeing programs
• Life assurance
• Access to a competitive contributory pension scheme
• Save As You Earn share option scheme.
• Travel Season ticket loan.
• Electric Vehicle Scheme
• Optional Dental Insurance
• Maternity, paternity, and shared parental leave
• Employee Assistance Programme
• Access to emergency care for both the elderly and children
• RECARES days, giving you time to support the charities and causes that matter to you.
• Access to employee resource groups with dedicated time to volunteer.
• Access to extensive learning and development resources
• Access to the employee discounts scheme via Perks at Work

At Lexis Nexis Intellectual Property (LNIP), we believe that whenever a person works on a patent and understands the future trajectory of a specific technology, that person has the potential to fundamentally change how society operates. We are proud to directly support and serve these innovators in their endeavours…