At a Glance
- Tasks: Join our team to design and maintain a secure JavaScript SDK for seamless authentication.
- Company: LSEG, a leader in identity and access management with a focus on developer experience.
- Benefits: Competitive salary, flexible working options, and opportunities for professional growth.
- Other info: Dynamic team environment with a focus on innovation and continuous improvement.
- Why this job: Make a real impact by enhancing security and developer experience in frontend engineering.
- Qualifications: Expertise in React, TypeScript, and a passion for clean code and security.
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 - SDK & Security API employer: London Stock Exchange
At LSEG, we pride ourselves on being an exceptional employer that fosters a collaborative and innovative work culture. As a Senior Frontend Engineer, you will have the opportunity to work with cutting-edge technologies in a supportive environment that encourages professional growth and continuous learning. Our commitment to employee development, coupled with our focus on security and developer experience, makes LSEG a rewarding place to advance your career while contributing to meaningful projects.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Frontend Engineer - SDK & Security API
✨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 the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving React, TypeScript, and SDK design. This is your chance to demonstrate your expertise and passion for frontend engineering.
✨Tip Number 3
Prepare for interviews by brushing up on your knowledge of OAuth2, OpenID Connect, and secure authentication flows. Be ready to discuss how you've implemented these in past projects and how they relate to the role.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you're genuinely interested in joining our team at LSEG.
We think you need these skills to ace Senior Frontend Engineer - SDK & Security API
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, especially when it comes to SDK design and security.
Talk About Your Experience:Don’t just list your skills; tell us about your past experiences designing and maintaining SDKs or libraries. We love hearing about how you’ve tackled challenges and improved developer experience in your previous roles.
Be Clear and Concise:When writing your application, keep it clear and to the point. We appreciate well-structured applications that are easy to read. Make sure to explain your thought process, especially around security and performance optimisation.
Apply Through Our Website:We encourage you to apply through our website for a smoother process. It helps us keep track of your application and ensures you don’t miss out on any important updates from us!
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 any challenges you faced and how you overcame them. This will demonstrate your hands-on experience and understanding of developer needs.
✨Emphasise Security and Performance
Be prepared to talk about frontend performance optimisation and security best practices. Share specific instances where you improved performance or implemented security measures in your projects.
✨Communicate Clearly and Collaboratively
Since this role involves collaboration with backend engineers, practice explaining complex concepts in a simple way. Good interpersonal skills are key, so be ready to discuss how you’ve worked effectively in teams before.
