Senior Frontend Developer in London

Vallum Associates; City Of London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading consultancy in financial services in the City Of London is seeking an experienced web developer specializing in JavaScript, React, and NodeJS. The role involves designing and developing robust web applications, optimizing user interfaces, and implementing automated testing. Candidates should have over 5 years of experience and excellent communication skills. Join us to work in an agile environment where your contributions matter.

Qualifications

• 5+ years of experience in JavaScript development with React and NodeJS.
• Solid experience with TypeScript and state management libraries.
• Expertise in front-end build tools and styling frameworks.

Responsibilities

• Design, develop, and maintain web applications using JavaScript and React.
• Build and optimize user interfaces with state management tools.
• Implement automated testing to ensure high code quality.
• Collaborate with teams for CI/CD and deployment processes.

Skills

JavaScript development

React

NodeJS

TypeScript

Redux Toolkit

Zustand

Webpack

Vite

Tailwind

GitLab

Kubernetes

Automated testing

Tools

Jest

Mocha

Vitest

Enzyme

Playwright

Job description

Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.

We focus on the Oil & Gas, Renewables, Engineering, Power, and Nuclear markets as well as emerging technologies in EV, Battery, and Fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.

Job description

Banking/ Financial Services experience is a must.

Responsibilities:

• Design, develop, and maintain robust web applications using JavaScript, TypeScript, React, and NodeJS.

• Build and optimize user interfaces with modern state management tools (Redux Toolkit, Zustand) and styling frameworks (Tailwind).

• Implement automated testing using Jest, Mocha, Vitest, and Enzyme to ensure high code quality.

• Develop and maintain end-to-end testing suites with Playwright.

• Configure and optimize build processes using Vite and Webpack.

• Collaborate with backend and DevOps teams, leveraging GitLab and Kubernetes for CI/CD and deployment.

• Work closely with business stakeholders to deliver solutions for Corporate Actions, Pricing Hub, and Blotters.

• Participate in release management activities (Neo Core, Pricing Hub).

• Contribute to code reviews, documentation, and agile ceremonies.

Must Haves:

• 5+ years of experience in JavaScript development, including strong proficiency in React and NodeJS.

• Solid experience with TypeScript and modern state management libraries (Redux Toolkit, Zustand).

• Expertise in front-end build tools (Vite, Webpack) and styling frameworks (Tailwind).

• Hands‑on experience with automated testing frameworks (Jest, Mocha, Vitest, Enzyme).

• Familiarity with end‑to‑end testing tools (Playwright).

• Experience with GitLab and container orchestration (Kubernetes).

• Strong understanding of web application architecture and best practices.

• Excellent communication and teamwork skills.

Nice to Haves:

• Business knowledge in Corporate Actions, Pricing Hub, Blotters.

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.