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- Tasks: Design and maintain a cutting-edge React/TypeScript trading UI for real-time data.
- Company: Leading financial services organisation in the oil and energy derivatives space.
- Benefits: Competitive daily rate, potential for contract extension, and dynamic work environment.
- Why this job: Join a high-performance team and make an impact in a fast-paced trading environment.
- Qualifications: 5+ years in frontend engineering with expertise in React and TypeScript.
- Other info: On-site role in Central London with excellent career growth opportunities.
The predicted salary is between 50400 - 57600 £ per year.
We are hiring a Senior React Engineer to join a high-performance technology team within a leading financial services organisation operating in the oil and energy derivatives space. The business runs a cutting-edge electronic trading platform that serves both internal trading teams and external clients, offering low-latency, highly reliable trading access via a modern UI.
We are looking for a self-starter who takes ownership of technical challenges and delivers robust solutions, with the ability to work under pressure in a fast-moving trading environment. You must also be a collaborative team player who communicates clearly and contributes to a high-quality engineering culture.
Role & Responsibilities
- Design, build, and maintain a React/TypeScript trading UI, delivering real-time streaming data and a seamless user experience
- Integrate the UI with RESTful and streaming APIs (built in Rust and Python)
- Own performance improvements across dashboards, widgets, and live data visualisation
- Collaborate with QA and DevOps to enhance automated testing and deployment pipelines
- Lead efforts in securing, scaling, and monitoring the frontend environment
- Use observability tools (Prometheus, Grafana, Loki) to monitor UI health and performance
- Drive UI architectural decisions, performance benchmarking, and best practice implementation
Essential Skills and Experience
- Degree in Computer Science, Engineering, or a related field
- 5+ years of experience in frontend/UI engineering, with a focus on performance and scale
- Deep expertise in React, TypeScript, and JavaScript
- Strong understanding of WebSocket integration, low-latency data streaming, and threading
- Experience troubleshooting data-heavy UIs and optimising load times
- Familiarity with tools like Redis, Kafka, and cloud platforms such as Azure or AWS
- Proficient in Git and modern source control workflows
- Knowledge of performance diagnostics (e.g. Google PageSpeed Insights) and responsive UI optimisation
Desirable Skills and Experience
- Experience deploying apps to the Apple App Store
- Knowledge of web security best practices and cyber threat mitigation
- Familiarity with microservices and REST API architecture
- Exposure to Infrastructure as Code tools (e.g. Terraform)
- Experience working with real-time trading or data visualisation platforms
Package: Initial 12 month contract (high possibility of extension) Up to £800 p/day (dependent on level of experience) On-site (Central London)
Senior React/Typescript Engineer in London employer: Intec Select
Contact Detail:
Intec Select Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior React/Typescript Engineer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage with 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 React and TypeScript projects. This is your chance to demonstrate your expertise and problem-solving abilities, so make it shine!
✨Tip Number 3
Prepare for interviews by brushing up on technical questions and coding challenges. Practice makes perfect, so consider mock interviews with friends or use platforms that offer coding exercises.
✨Tip Number 4
Apply through our website! We’re always on the lookout for talented engineers like you. Don’t miss out on the chance to join our high-performance team and make an impact in the financial services sector.
We think you need these skills to ace Senior React/Typescript Engineer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with React and TypeScript, as well as any relevant projects you've worked on. We want to see how your skills align with the role, so don’t be shy about showcasing your achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're the perfect fit for our team. Mention specific experiences that demonstrate your ability to tackle technical challenges and work collaboratively in a fast-paced environment.
Showcase Your Problem-Solving Skills: In your application, highlight instances where you've taken ownership of a project or solved a complex problem. We love self-starters who can deliver robust solutions, so share those stories that show off your initiative!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re keen to join our team at StudySmarter!
How to prepare for a job interview at Intec Select
✨Know Your Tech Inside Out
Make sure you brush up on your React and TypeScript skills before the interview. Be ready to discuss your past projects in detail, especially those involving performance improvements and real-time data streaming. This will show that you not only understand the tech but can also apply it effectively.
✨Showcase Your Problem-Solving Skills
Prepare to talk about specific challenges you've faced in previous roles, particularly in high-pressure environments. Think of examples where you took ownership of a technical issue and delivered a robust solution. This will demonstrate your ability to thrive in a fast-moving trading environment.
✨Communicate Clearly and Collaboratively
Since the role requires collaboration with QA and DevOps, practice articulating your thoughts clearly. Be ready to discuss how you’ve worked with cross-functional teams in the past and contributed to a high-quality engineering culture. Good communication is key!
✨Familiarise Yourself with the Tools
Get to know the observability tools mentioned in the job description, like Prometheus and Grafana. If you have experience with Redis, Kafka, or cloud platforms, be prepared to discuss how you've used these in your projects. Showing familiarity with the tools will give you an edge.