At a Glance
- Tasks: Join our team to develop and maintain a secure JavaScript SDK for seamless authentication.
- Company: LSEG, a leader in identity and access management with a focus on innovation.
- Benefits: Competitive salary, flexible working options, and opportunities for professional growth.
- Other info: Dynamic team environment with a strong emphasis on collaboration and continuous improvement.
- Why this job: Make a real impact by enhancing developer experience and security in frontend engineering.
- Qualifications: Expertise in React, TypeScript, and secure authentication protocols required.
The predicted salary is between 60000 - 80000 £ per year.
This role is ideal for someone who thrives in developer experience, SDK design, and security-focused frontend engineering.
- Proven experience in frontend development, with deep expertise in React, TypeScript, and modern JavaScript.
- Proven experience designing and maintaining SDKs or libraries used by other developers.
- Strong understanding of OAuth2, OpenID Connect, and secure authentication flows.
- Familiarity with CI/CD pipelines, automated testing, and versioning strategies for SDKs.
- Experience with frontend performance optimization, cross-browser compatibility, and accessibility standards.
- Passion for clean code, automation, and continuous improvement.
- Excellent interpersonal skills and a passion for developer experience and security.
ROLE PROFILE:
What the job involves:
We are seeking a Senior Frontend Developer to join our Customers Identity & Access Management team at LSEG. You will play a pivotal role in maintaining and evolving our JavaScript SDK, a critical interface that enables secure authentication and seamless integration of our Authentication into client applications across to our customers.
- Own and maintain a JavaScript SDK built with React and TypeScript, enabling secure integration with our custom Secure Token Service.
- Design intuitive, developer-friendly APIs that abstract complex authentication flows (OAuth2, OpenID Connect).
- Ensure the SDK is secure, performant, and easy to integrate across a wide range of frontend applications.
- Collaborate with backend engineers to align SDK functionality with evolving identity protocols and token flows.
- Build automated tests and CI pipelines to ensure quality, reliability, and backward compatibility.
- Write clear documentation and sample apps to support internal and external developers.
- Stay current with frontend security best practices and contribute to platform-wide improvements.
Senior Frontend Engineer employer: London Stock Exchange
At LSEG, we pride ourselves on being an exceptional employer that fosters a culture of innovation and collaboration. As a Senior Frontend Engineer, you will not only work with cutting-edge technologies like React and TypeScript but also have access to continuous learning opportunities and a supportive environment that values developer experience and security. Our commitment to employee growth, coupled with our focus on maintaining a healthy work-life balance, makes LSEG a truly rewarding place to advance your career in the heart of a dynamic tech landscape.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Frontend Engineer
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage in online communities. You never know who might have a lead on that perfect Senior Frontend Engineer role.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your work with React, TypeScript, and any SDKs you've designed. This is your chance to demonstrate your expertise and passion for clean code and developer experience.
✨Tip Number 3
Prepare for interviews by brushing up on OAuth2, OpenID Connect, and secure authentication flows. Be ready to discuss how you’ve tackled frontend performance optimization and accessibility standards in your past projects.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!
We think you need these skills to ace Senior Frontend Engineer
Some tips for your application 🫡
Show Off Your Skills:Make sure to highlight your experience with React, TypeScript, and modern JavaScript in your application. We want to see how you've used these technologies in real projects, so don’t hold back on the details!
Talk About SDKs:Since this role involves designing and maintaining SDKs, share any relevant experience you have. We love to hear about the libraries you've built or worked with, especially if they focus on developer experience and security.
Keep It Secure:Mention your understanding of OAuth2, OpenID Connect, and secure authentication flows. We’re all about security here at StudySmarter, so showing us your knowledge in this area will definitely catch our eye!
Apply Through Our Website:Don’t forget to submit your application through our website! It’s the best way for us to keep track of your application and ensure it gets the attention it deserves.
How to prepare for a job interview at London Stock Exchange
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in React, TypeScript, and modern JavaScript. Brush up on your knowledge of OAuth2 and OpenID Connect, as these are crucial for the role. Be ready to discuss how you've used these technologies in past projects.
✨Showcase Your SDK Experience
Prepare examples of SDKs or libraries you've designed or maintained. Highlight your approach to creating developer-friendly APIs and how you ensured security and performance. This will demonstrate your hands-on experience and understanding of developer needs.
✨Demonstrate Your Problem-Solving Skills
Be ready to tackle hypothetical scenarios related to frontend performance optimization and cross-browser compatibility. Think about how you would approach these challenges and be prepared to explain your thought process clearly.
✨Communicate Effectively
Since excellent interpersonal skills are a must, practice articulating your ideas and experiences clearly. Be open to collaboration and show your passion for improving developer experience and security. This will help you connect with the interviewers.
