Software Engineer, Legal Prompter, CoCounsel AI Assistant

Software Engineer, Legal Prompter, CoCounsel Core Skills

Thomson Reuters is looking for a Software Engineer with AI Prompting experience to join our Skills team, working on the CoCounsel platform.

About the Role:

In this opportunity as a Software Engineer, Legal Prompter, CoCounsel AI Assistant, you will:

• We are seeking an experienced backend engineer to join the team behind CoCounsel. As a Software Engineer on the CoCounsel Skills team, you will help build applications that interact with state-of-the-art Large Language Models (LLMs) that deliver cutting-edge and time-saving solutions to attorneys all around the country.
• CoCounsel is already capable of writing legal research memos, summarizing and reviewing documents, creating timelines, and producing briefs and reports, just to name a few capabilities--all in minutes, not days or weeks. And we're just getting started.
• The ideal candidate will develop Python code to help test, evaluate, and improve the performance of our Skills offerings, ensuring that CoCounsel continues to provide world-class support to legal professionals.
• The role will combine a mix of writing high-quality code, developing robust tests and evaluation metrics, and working with cutting edge tools to evaluate AI outputs.
• Our ideal candidate has a software engineering background with the ability to write high-quality Python, work with APIs (consuming and serving), and experience with AI models. Experience with evaluation and benchmarking AI applications is preferred, along with some domain knowledge of the law (JD, legal industry experience, etc.).
• Develop Python code that interacts with state-of-the-art LLMs
• Create evaluation suites that test our AI skills against a wide range of inputs and validate that the outputs are accurate and complete
• Develop Python code that interacts with data sources & services (APIs, SQL databases, etc.)
• Provide code and prompting fixes for bugs and issues reported internal and external users
• Liaise with legal professionals and other teams at Thomson Reuters to gather and understand requirements
• Work with Trust team to create new tests and evaluations for CoCounsel skills
• Integrate the language models into multi-step systems, assessing their performance and making necessary modifications
• Engage with CoCounsel customers to triage issues and understand requirements for new features and functionality
  
  
  

About You:

You're a fit for the role of Software Engineer, Legal Prompter, CoCounsel AI Assistant if your background includes:

• One to two years of production level experience in software engineering on an engineering/product team, preferably at a startup
• Proficiency in Python - if Python skills are low, then strong experience in other programming languages is necessary
• Experience using large language models through code is preferred (such as model services from OpenAI, Anthropic, or Cohere; and/or open source models such as Llama and Mistral)
• Background with testing and evaluation of AI applications and understanding of AI benchmarks is preferred.
• Proficiency with APIs and SQL is a major plus
• Excellent analytical and problem-solving skills
• Ability to work both independently and in a collaborative environment
• Experience in customer-facing roles and ability to engage with clients
  
  
  

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.

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