Software Engineer III (Python & C#)

Posted Yesterday
Be an Early Applicant
2 Locations
In-Office or Remote
Mid level
Information Technology • Legal Tech • Analytics
The Role
Design, build, and maintain components of the LNIP intelligence core platform, including a semantic search API and internal data curation tool. Implement secure coding standards, unit testing, code reviews, and use agentic development tools responsibly to accelerate development while ensuring quality.
Summary Generated by Built In

                                     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?

About the team:

LexisNexis 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.

About the role:    

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.

                                             

Key Responsibilities:

  • 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.

Requirements:

  • Proficiency in development languages, including but not limited to: Python, C#, .NET, JavaScript, TypeScript, React, and Angular.

  • Proficiency in at least one agentic development tool, including but not limited to: GitHub 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.

Why Join Us?

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.

Work in a way that works for you
 

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.

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:

  • 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


About the business -

At LexisNexis 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 to better humankind. We enable innovators to accomplish more by helping them make informed decisions, be more productive, comply with regulations, and ultimately achieve superior results. By harnessing the latest advances in machine learning combined with expert analysis, LexisNexis Intellectual Property is disrupting how actionable insight is extracted from patent data. Information can now be accessed with efficiency, accuracy and at a speed that is just not possible by traditional methods. Our overall success is measured by how well we deliver these results.

We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click here to access benefits specific to your location.

We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120.

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Please read our Candidate Privacy Policy.

We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law.

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Skills Required

  • Proficiency in Python, C#, .NET, JavaScript, TypeScript, React, and Angular
  • Proficiency with at least one agentic development tool (e.g., GitHub Copilot, OpenAI Codex, Claude Code, Cursor, Coder)
  • Familiarity with secure coding practices, security scans, versioning, unit testing, TDD, code coverage, and code reviews
  • Proficiency with data manipulation languages and data modelling principles
  • Knowledge of software development methodologies (Agile and Waterfall)
  • Knowledge of data query and manipulation languages such as SQL and PySpark
  • Knowledge of data storage subsystems
  • Knowledge of vector embeddings of text and their application in intelligent systems

RELX Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about RELX and has not been reviewed or approved by RELX.

  • Retirement Support Retirement support is positioned as a meaningful part of total rewards through a 401(k) plan with matching contributions, alongside other financial protections such as life and disability coverage. Tuition reimbursement and share purchase access further broaden the financial value of the package beyond base salary.
  • Leave & Time Off Breadth Leave and time off breadth appears strong, with generous vacation allowances, mental health days, and options like sabbaticals and tiered PTO by tenure. Parental and caregiving leaves are described in detail, reinforcing time-away benefits as a standout component of the overall package.
  • Wellbeing & Lifestyle Benefits Wellbeing and lifestyle benefits are supported by offerings such as mental health support (e.g., app access), EAP resources, gym-related perks, and wellness incentives. Flexible working hours and related work-life supports add to the perceived day-to-day value of benefits.

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The Company
Amsterdam
10,001 Employees
Year Founded: 1880

What We Do

RELX is a global provider of information-based analytics for professional and business customers across industries. We help scientists make new discoveries, doctors and nurses improve the lives of patients and lawyers win cases. We prevent online fraud and money laundering, and help insurance companies evaluate and predict risk. Our events enable customers to learn about markets, source products and complete transactions. In short, we enable our customers to make better decisions, get better results and be more productive. We do this by leveraging a deep understanding of our customers to create innovative solutions which combine content and data with analytics and technology in global platforms. RELX serves customers in more than 180 countries and has offices in about 40 countries. It employs approximately 30,000 people of whom almost half are in North America. We operate in four major market segments: Scientific, Technical & Medical; Risk & Business Analytics; Legal; and Exhibitions.

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