Senior Software Engineer – Python

Travelers

Senior Software Engineer supporting Hyperexponential’s hx Renew pricing platform at Travelers based in London. Collaborate on software engineering solutions and mentor team members in a hybrid work environment.

Posted 5/31/2026full-timeLondon • 🇬🇧 United KingdomSeniorWebsite

Tech Stack

Tools & technologies

JestMocha.NETPythonSelenium

About the role

Key responsibilities & impact

Consult with users to determine hardware, software or system functional specifications, manage interaction between the systems and other technical support areas, and define technical requirements and coordinate team resources to solve problems.
Guide the team to tackle problems at differentiating levels of complexity.
Provide technical guidance and mentorship to team members on complex engineering solutions while fostering a team environment.
Design, develop, analyze, configure by defining technical requirements, test, debug, troubleshoot, document, health monitor/alert, and implement software based on user or system specifications.
Collaborate with a robust team of engineers to sharpen your skills, learn various emerging technologies while working on key business initiatives.
Research and apply knowledge of current industry trends and techniques to formulate solutions for software engineering problems.
Perform other duties as assigned.

Requirements

What you’ll need

Ideally have experience with Hyperexponential's hx Renew, or similar Insurance Pricing, Ratings, Actuarial or Underwriting Platforms.
Considerable programming/development experience.
PYTHON: Programming/development experience in relation to pricing and insurance.
.NET: Programming/development experience focused on .NET and/or .NET core concepts and design patterns with working knowledge of: web service technologies such as REST, or JSON; automated unit, UI, and End-to-End tests such as NUnit, Mocha, Jasmine, Jest or Selenium; and DevOps, CI/CD, and configuration management tools.
The ability to deliver work at a steady, predictable pace to achieve commitments, deliver complete solutions but release them in small batches, and identify and negotiate important trade-offs.
Demonstrated track record of domain expertise including the ability to understand technical concepts and industry trends, and possess in-depth knowledge of immediate systems worked on and some knowledge of adjacent systems.
Strong problem solver who ensures systems are built with longevity and creates innovative ways to resolve issues.
Strong written and verbal communication skills with the ability to collaborate well with team members and business partners.
Ability to lead team members and help create a safe environment for others to learn and grow as engineers.
Bachelor's degree in Computer Science or a related field, or its equivalent in work experience.

Benefits

Comp & perks

Private Medical Insurance: On commencement of employment, you are eligible for single cover provided by Travelers, with the option to add cover for your dependents, at your expense through payroll deduction.
Retirement: Travelers will make a core contribution of a percentage of salary to your Pension Plan. Additionally, if you decide to contribute to the plan, you will receive an increased company contribution.
Holiday Entitlement: Start your career at Travelers with a minimum of 25 days holiday entitlement annually, plus the opportunity to purchase additional days to allow for up to a total of 35 holidays per year.
Wellness Programme: The Travelers wellness programme is comprised of tools, discounts and resources that empower you to achieve your wellness goals and caregiving needs. In addition, our mental health programme provides access to free professional counseling services and other resources that support your daily life needs.
Volunteer Encouragement: We have a deep commitment to the communities we serve and encourage our employees to get involved. Travelers has a Matching Gift and Volunteer Rewards programme that enables you to give back to the charity of your choice.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

PYTHON.NETRESTJSONNUnitMochaJasmineJestSeleniumDevOps

Soft Skills

problem solvingcommunicationcollaborationleadershipmentorshipteamworkadaptabilitynegotiationinnovationtime management