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For Companies At a Glance
- Tasks: Create intuitive user experiences and optimise front-end performance for critical tech applications.
- Company: Join ITRS, a leader in IT observability solutions trusted by top investment banks.
- Benefits: Enjoy health cover, flexible working, enhanced parental leave, and training reimbursement.
- Why this job: Make a real impact in a supportive culture while working with cutting-edge technology.
- Qualifications: 8+ years in front-end development with experience in ASP.NET and performance optimisation.
- Other info: Diverse and inclusive environment with excellent career growth opportunities.
The predicted salary is between 36000 - 60000 £ per year.
ITRS is recognised in the 2025 Gartner Magic QuadrantTM Observability Platforms. At ITRS, we make society's critical technology work. Our mission is to deliver automated and holistic IT observability solutions that safeguard critical applications and enable innovation. We are the only monitoring and observability platform designed for the most demanding and regulated industries — trusted by 90% of Tier 1 capital markets firms.
We believe when our team thrives, so do our customers. With us, you'll find:
- A culture that backs you – We're proud to be a Great Place to Work for multiple years in a row due to our inclusive, supportive environment.
- Work that matters – Make a real difference with 1,000s of global customers in industries that keep the world running, including 9 out of 10 top investment banks.
- Room to grow – Whether you're starting your career or bringing years of experience, we're committed to your development.
With headquarters in London and teams across the US, Europe, and Asia, ITRS combines the agility of a high-impact tech business with the stability of a private equity–backed global partner.
Scope of Role
We operate a hybrid working model with 2 days in the office and 3 days from home.
Requirements
As Senior Frontend Developer, you will:
- Collaborate with Product Managers and UX Designers to understand user needs, refine requirements, and deliver intuitive, accessible user experiences aligned with our design system.
- Integrate front-end applications with ASP.NET APIs and services, ensuring reliable data exchanges and error handling.
- Promote quality engineering practices including automated testing (unit, integration, end-to-end), code reviews, performance and security best practices for the web.
- Implement and optimise front-end performance, and monitor user experience via RUM/telemetry.
Requirements
- 8+ years of professional front-end development experience delivering complex, data-rich web applications in production.
- Experience integrating front-ends with ASP.NET backends and RESTful APIs; understanding of authentication and authorisation flows, error handling and resilient client-server patterns.
- Practical experience with front-end build tooling and CI/CD (Vite/Webpack, npm/yarn, linting, formatting, commit standards) and Git workflows.
- Experience with performance optimisation techniques (bundle analysis, code splitting, caching strategies).
- Solid testing discipline with tools such as Jest, Vue Test Utils and Selenium.
- Comfortable collaborating with Product and UX to translate designs into production-grade UI.
- Initiative-driven, hands-on approach with a focus on delivery and product impact.
You will benefit from having the following experience:
- Familiarity with C#/.NET and ASP.NET MVC/Web API. Ability to contribute to backend endpoints, contract definitions and release processes when needed.
- Experience with AI-based systems and incorporating it in your daily development work.
- Experience with design systems (Figma) and component libraries (Storybook/PrimeVue).
- Experience with data visualisation libraries (e.g., Highcharts, Telerik) and real-time interfaces (WebSockets, Server-Sent Events).
- Experience with security best practices for the web (XSS, CSRF, dependency security) and privacy-by-design.
- Background in high-scale SaaS, financial services or observability/monitoring domains.
- Experience working in globally distributed teams and collaborating across multiple time zones.
Benefits
- Health Insurance and Dental Health Cover for you and your dependants
- Pension
- Flexible Hybrid Working
- Enhanced Parental Leave
- Travel Insurance
- Life Assurance
- Income Protection
- Buy and Sell Holiday
- Training Reimbursement
ITRS is an Equal Opportunity employer and Inclusion is part of our everyday life. We celebrate diversity and pride ourselves on providing an environment where all employees can be their authentic selves and have a voice, allowing everyone to contribute equally. We remain committed to advocating inclusion, diversity, and equality into our ITRS family as we grow and enrich our business.
We welcome applications from everyone in the community as we recognise that a diverse workforce is a stronger workforce.
Senior Frontend Developer in London employer: Itrs Insights
Contact Detail:
Itrs Insights Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Frontend Developer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who work at ITRS or similar companies. A friendly chat can lead to insider info about job openings and even referrals.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best frontend projects. Make sure to highlight any experience with ASP.NET and performance optimisation techniques, as these are key for the role.
✨Tip Number 3
Prepare for interviews by brushing up on common frontend development questions and coding challenges. Practice explaining your thought process while solving problems, as collaboration is crucial at ITRS.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re genuinely interested in joining the ITRS team.
We think you need these skills to ace Senior Frontend Developer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Senior Frontend Developer role. Highlight your experience with ASP.NET, front-end build tooling, and performance optimisation techniques. We want to see how your skills align with what we’re looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Share your passion for frontend development and how you can contribute to our mission at ITRS. Let us know why you’re excited about this opportunity and how you fit into our culture.
Showcase Your Projects: If you’ve worked on any impressive projects, don’t hesitate to showcase them! Include links to your GitHub or portfolio where we can see your work in action. We love seeing real examples of your coding skills and creativity.
Apply Through Our Website: We encourage you to apply through our website for a smoother application process. It’s the best way for us to receive your application and keep track of it. Plus, you’ll get to see more about our company culture and values!
How to prepare for a job interview at Itrs Insights
✨Know Your Tech Stack
Make sure you’re well-versed in the technologies mentioned in the job description, especially ASP.NET and front-end frameworks. Brush up on your experience with RESTful APIs and performance optimisation techniques, as these will likely come up during technical discussions.
✨Showcase Your Projects
Prepare to discuss specific projects where you've delivered complex, data-rich web applications. Highlight your role in collaborating with Product Managers and UX Designers, and be ready to explain how you translated designs into production-grade UI.
✨Demonstrate Quality Engineering Practices
Be prepared to talk about your approach to quality engineering, including automated testing and code reviews. Share examples of how you’ve implemented performance and security best practices in your previous work.
✨Cultural Fit Matters
ITRS values a supportive and inclusive culture, so be yourself! Show enthusiasm for their mission and values, and express how you can contribute to their team dynamics. A positive attitude and a collaborative mindset can go a long way.
