Senior Front-End Engineer
Location: London (open to Poland)
Type: Initial Contract - with high potential for permanent conversion to Associate Director or Director level depending on experience
Duration: 6 months + conversion to perm
Rate: up to £950/day (London)
Company: Investment Bank
We are looking for an experienced Front-End Engineer to join a high-performing team building cutting-edge financial desktop applications. This role focuses on delivering robust, real-time solutions using modern JavaScript and interoperability standards.
Key Responsibilities:
Develop front-end components for high-performance desktop applications.
Implement asynchronous JavaScript patterns for real-time, event-driven systems.
Work with OpenFin APIs for window management and inter-application messaging.
Ensure interoperability between applications using FDC3 standards.
Optimize performance and troubleshoot complex issues in production environments.
Required Skills:
Advanced proficiency in JavaScript, with strong knowledge of asynchronous programming (Promises, async/await, event-driven architecture).
Hands-on experience with OpenFin APIs.
Understanding of FDC3 protocols for secure, standardised communication.
Strong debugging and performance optimisation skills.
Familiarity with REST APIs and JSON.
Ideal Candidate:
Experienced in building complex, real-time front-end systems.
Comfortable working in agile, collaborative environments.
Interested in financial technology and interoperability standards.
Nice to have: React.JS and .Net or Java