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Senior Software Engineer I **EST Preferred - Hybrid in Horsham, PA

RELX
United Statesfull_timeVerifiedPosted 26 Jan 2026
💰 $144,400/yr($86,600/yr$144,400/yr)

About the role

Sr. Software Engineer I

Would you enjoy working on our cutting-edge products?

Are you ready for the next step in your engineering career?

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
 

The Senior Software Engineer position performs complex research, design, and software development assignments within a software functional area or product line, and provides direct input to project plans, schedules, and methodology in the development of cross-functional software products. This position performs software design — typically across multiple systems; mentors more-junior members of the team; and talks to users/customers and translates their requests into solutions.

Conditions of Employment: 

You must be a U.S. citizen to apply for this position. 

You must successfully pass a background investigation and achieve Public Trust security clearance. 

Must be located near the Horsham, PA location for a Hybrid onsite schedule

Requirements: 

  • Software Engineering Experience: Proven track record in software development. 

  • Educational Background: BS in Engineering/Computer Science or equivalent experience. 

  • Development Methodologies: Advanced knowledge of Agile and DevOps practices. 

  • Architectural Design: Ability to translate designs into development plans, including API and Microservice implementation. 

  • Programming Languages: Expertise in .Net, C#, Python, JavaScript, SQL/NoSQL. 

  • Azure Cloud Technologies: Strong experience with Azure Functions, App Services, Cognitive Search, Blob/Table Storage, CosmosDB, Data Factory, and API Management. 

  • Development Best Practices: Proficiency in version control, TDD, CI/CD, Clean Code principles, code review, performance testing, observability, telemetry, monitoring, and Infrastructure as Code (IaC). 

  • Team Collaboration: Ability to interface with other technical personnel to finalize requirements. 

  • Mentorship: Experience mentoring junior developers. 

  • Preferred Experience: Familiarity with Azure US Gov Cloud. 

Additional Skills: 

  • Machine Learning and AI: These are considered a plus for the role. 

Responsibilities: 

  • Interfacing with other technical personnel or team members to finalize requirements. 

  • Writing and reviewing portions of detailed specifications for the development of complex system components. 

  • Completing complex bug fixes. 

  • Working closely with other development team members to understand complex product requirements and translate them into software designs. 

  • Successfully implementing development processes, coding best practices, and code reviews. 

  • Operating in Agile development environments while collaborating with key stakeholders. 

  • Resolving complex technical issues as necessary. 

Work in a way that works for you
 

We promote a he

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Company

RELX

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