Senior Front-End Developer (React, TypeScript)

citi.com; Greater London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A leading global financial services provider is looking for a Senior Front-End Developer with expertise in React and TypeScript to join their FX Options Trading team. This role involves designing cutting-edge trading technology, collaborating with a global team, and mentoring junior developers. The ideal candidate will have strong experience in UI/UX development and real-time data handling. Highly competitive benefits await, alongside a hybrid working model that supports work-life balance.

Benefits

27 days annual leave

Performance bonus

Private Medical Care

Pension Plan

Qualifications

• Advanced hands-on experience with React and TypeScript.
• Solid understanding of real-time data handling.
• Proficiency in CI/CD and automated testing.

Responsibilities

• Design and develop an electronic FX Options Trading Platform.
• Collaborate with global teams to deliver technical solutions.
• Mentor junior developers and contribute to team culture.

Skills

React

TypeScript

UI/UX development

REST APIs

WebSockets

Tools

CI/CD

Kubernetes

Job description

## For additional information, please review .**Senior Front-End Developer (React, TypeScript) - VP, FX Options Pricing**Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.**The Opportunity**We are seeking a highly skilled and motivated Senior Front-End Developer to join a critical greenfield program focused on transforming our electronic FX Options Trading business. This is a multi-year, high-profile project to modernize and scale our platform, offering a unique opportunity for you to make a significant and lasting impact. You will be at the forefront of building the next generation of trading technology.**What You'll Do*** **Design and Build:** Take a leading role in the design and development of a state-of-the-art electronic FX Options Trading Platform. Your focus areas will include: + RFQ (Request for Quote) workflows for clients and sales-to-trader interactions. + Real-time, streaming pricing engines and displays. + Volatility Surface and other complex market data management tools. + A comprehensive workbench for Structured Product Pricing.* **Collaborate:** Work in a tight-knit, global team alongside developers, quants, and traders to translate complex business requirements into robust, elegant technical solutions.* **Innovate:** Leverage your deep expertise in TypeScript and React to build high-performance, scalable, and intuitive web UIs that provide an exceptional user experience.* **Improve:** Champion and contribute to the continuous improvement of our development, deployment (CI/CD), and testing processes to ensure quality and efficiency.* **Mentor:** Share your knowledge, guide, and mentor other developers, fostering a collaborative and innovative team culture where everyone can grow.**Essential Skills & Experience*** **Front-End Expertise:** Advanced, hands-on experience in UI/UX development using **React and TypeScript**. (Professional experience with Angular or Vue.js would also be considered).* **Inter-Application Communication:** Solid understanding of building applications that handle real-time data, using technologies like **REST APIs, WebSockets**, or middleware (e.g., Solace, Kafka, TIBCO).* **Engineering Excellence:** Proficiency in modern software engineering practices, including **CI/CD, automated testing, application resiliency, performance profiling, and telemetry**.**Desirable Skills (Nice to Have)*** Interest or experience in leveraging agentic AI development tools to accelerate and improve workflows (e.g., GitHub Copilot, Cursor, Devin).* Familiarity with desktop container frameworks such as **OpenFin** or interoperability libraries.* Back-end development experience in **Java, C#/.NET, or Python**.* Knowledge of containerization and orchestration with **Kubernetes**.* While prior experience in finance is a plus, a strong passion for technology and complex problem-solving is what truly matters.**Our Culture*** **Agile & Collaborative:** We thrive in a dynamic environment that values curiosity, ownership, and a drive for continuous improvement.* **Transparent Communication:** We believe in challenging ideas respectfully and maintaining open, honest communication across all levels of the team.* **Iterative Delivery:** We focus on delivering high-quality, impactful solutions iteratively, learning and adapting as we go.**What we’ll provide you**By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:* 27 days annual leave (plus bank holidays)* A discretional annual performance related bonus* Private Medical Care & Life Insurance* Employee Assistance Program* Pension Plan* Paid Parental Leave* Special discounts for employees, family, and friends* Access to an array of learning and development resourcesAlongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.#LI-AP2------------------------------------------------------**Job Family Group:**Technology------------------------------------------------------**Job Family:**Applications Development------------------------------------------------------**Time Type:**Full time------------------------------------------------------**Most Relevant Skills**Please see the requirements listed above.------------------------------------------------------**Other Relevant Skills**For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------*Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.**If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review* *.* *View Citi’s and the poster.*