Thomson Reuters Logo

Thomson Reuters

Principal Engineer

Posted 3 Days Ago
Be an Early Applicant
Hybrid
London, Greater London, England, GBR
Expert/Leader
Hybrid
London, Greater London, England, GBR
Expert/Leader
Senior individual contributor who architects, designs, and ships scalable, high-performance backend systems; drives reliability and performance improvements; leads AI/LLM integrations; mentors engineers and sets technical direction across multiple teams.
The summary above was generated by AI

Thomson Reuters is hiring a Principal Engineer for HighQ, our enterprise collaboration platform for the legal industry, used by leading law firms worldwide to deliver digital services to their clients.

This is a senior individual contributor role. The Principal Engineer sets technical direction across HighQ's most significant engineering work, owns outcomes from design through production, and is directly accountable for raising the engineering bar across the organisation. The role partners closely with directors, architects, and Staff engineers, and operates as a senior technical voice in decisions that span multiple teams.

About the role:

  • Evaluate and introduce new technologies and engineering practices that improve how the organisation builds and delivers software.

  • Architect and design complex systems that are scalable, performant, and maintainable.

  • Take technical ideas from concept to production, aligned with business priorities and technical strategy.

  • Provide technical leadership and mentorship to engineering teams, raising the standard of work across the organisation.

  • Contribute as a hands-on engineer. Write production code and review the work of others to hold the technical bar.

  • Work with product, architecture, and engineering peers to turn business requirements into sound technical designs.

  • Lead the engineering work behind HighQ's integration with modern AI and agent platforms, including the technical surfaces through which HighQ provides context and capability to AI systems.

  • Drive reliability, scalability, and performance improvements on a platform serving demanding enterprise customers with significant data and workflow commitments.

About you:

  • Track record of designing, building, and delivering complex software systems in production.

  • Operates effectively as a senior individual contributor, drives results independently, and is accountable for outcomes.

  • Proficiency in Java and Python coupled with broad fluency across modern backend ecosystems including containerised services, relational databases, and distributed systems patterns.

  • Deep command of software engineering fundamentals and how they apply in practice.

  • Demonstrated ability to set architectural direction across multiple teams and be accountable for the outcome.

  • Experience driving reliability, scaling, or performance work in production systems.

  • Familiarity with AI/LLM integration patterns, including the engineering practices that make AI features dependable in production (evals, monitoring, context management).

  • Generates and advances technical ideas that produce meaningful business outcomes.

  • Strong communicator. Articulates complex technical ideas clearly to engineering and non-engineering audiences alike.

#LI-LT1

What’s in it For You?

  • Hybrid Work Model: We’ve adopted a flexible hybrid working environment (2-3 days a week in the office depending on the role) for our office-based roles while delivering a seamless experience that is digitally and physically connected.

  • Flexibility & Work-Life Balance: Flex My Way is a set of supportive workplace policies designed to help manage personal and professional responsibilities, whether caring for family, giving back to the community, or finding time to refresh and reset. This builds upon our flexible work arrangements, including work from anywhere for up to 8 weeks per year, empowering employees to achieve a better work-life balance.

  • Career Development and Growth: By fostering a culture of continuous learning and skill development, we prepare our talent to tackle tomorrow’s challenges and deliver real-world solutions. Our Grow My Way programming and skills-first approach ensures you have the tools and knowledge to grow, lead, and thrive in an AI-enabled future.

  • Industry Competitive Benefits: We offer comprehensive benefit plans to include flexible vacation, two company-wide Mental Health Days off, access to the Headspace app, retirement savings, tuition reimbursement, employee incentive programs, and resources for mental, physical, and financial wellbeing.

  • Culture: Globally recognized, award-winning reputation for inclusion and belonging, flexibility, work-life balance, and more. We live by our values: Obsess over our Customers, Compete to Win, Challenge (Y)our Thinking, Act Fast / Learn Fast, and Stronger Together.

  • Social Impact: Make an impact in your community with our Social Impact Institute. We offer employees two paid volunteer days off annually and opportunities to get involved with pro-bono consulting projects and Environmental, Social, and Governance (ESG) initiatives.

  • Making a Real-World Impact: We are one of the few companies globally that helps its customers pursue justice, truth, and transparency. Together, with the professionals and institutions we serve, we help uphold the rule of law, turn the wheels of commerce, catch bad actors, report the facts, and provide trusted, unbiased information to people all over the world.

About Us

Thomson Reuters informs the way forward by bringing together the trusted content and technology that people and organizations need to make the right decisions. We serve professionals across legal, tax, accounting, compliance, government, and media. Our products combine highly specialized software and insights to empower professionals with the data, intelligence, and solutions needed to make informed decisions, and to help institutions in their pursuit of justice, truth, and transparency. Reuters, part of Thomson Reuters, is a world leading provider of trusted journalism and news.

We are powered by the talents of 26,000 employees across more than 70 countries, where everyone has a chance to contribute and grow professionally in flexible work environments. At a time when objectivity, accuracy, fairness, and transparency are under attack, we consider it our duty to pursue them. Sound exciting? Join us and help shape the industries that move society forward.

As a global business, we rely on the unique backgrounds, perspectives, and experiences of all employees to deliver on our business goals. To ensure we can do that, we seek talented, qualified employees in all our operations around the world regardless of race, color, sex/gender, including pregnancy, gender identity and expression, national origin, religion, sexual orientation, disability, age, marital status, citizen status, veteran status, or any other protected classification under applicable law. Thomson Reuters is proud to be an Equal Employment Opportunity Employer providing a drug-free workplace.

We also make reasonable accommodations for qualified individuals with disabilities and for sincerely held religious beliefs in accordance with applicable law. More information on requesting an accommodation here.

Learn more on how to protect yourself from fraudulent job postings here.

More information about Thomson Reuters can be found on thomsonreuters.com.

Thomson Reuters London, England Office

5 Canada Square, London, United Kingdom, E14 5AQ

Similar Jobs

Yesterday
In-Office
Senior level
Senior level
Fintech • HR Tech • Insurance • Consulting
Lead IAM business analysis and end-to-end onboarding of applications into SailPoint. Gather and translate requirements, run discovery workshops, define integration strategies and access models, coordinate UAT and deployments, maintain BRDs/FRDs/process docs, track milestones, manage stakeholders, and support Agile delivery for identity lifecycle automation and governance.
Top Skills: Active DirectoryAWSAzureAzure DevopsCyberarkFlat FilesIdentityiqJdbcJSONLdapLucidchartMS OfficeOauthOidcOktaOracleRest ApisSailpoint Identity Security CloudSalesforceSAMLSAPScimServicenowVisioWorkdayXML
2 Days Ago
In-Office
Senior level
Senior level
Professional Services • Consulting
Lead design and build of Databricks Lakehouse data pipelines using PySpark and Delta Lake. Implement Medallion Architecture, CDC, data quality, governance, and CI/CD. Optimize Spark jobs, migrate legacy SQL workflows, and deliver Gold-layer datasets for analytics and reporting while collaborating with architects, analysts, and platform teams.
Top Skills: AWSCdcCi/CdDatabricksDelta LakeInformaticaLakehouseMedallion ArchitecturePysparkSparkSQLUnity Catalog
2 Days Ago
In-Office
Expert/Leader
Expert/Leader
Healthtech
Provide technical leadership across internal and third-party engineering teams, enforce engineering standards and security guidelines, conduct code and architecture reviews, act as escalation for production incidents, lead root cause analysis, and drive corrective and preventative actions for large-scale cloud-native systems.
Top Skills: Api DesignCi/Cd PipelinesCloud-Native ArchitecturesDevOpsDistributed SystemsEnvironment AutomationModern Frameworks

What you need to know about the London Tech Scene

London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account