Front End Developer
Mthree
Salary undisclosed
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Description
Front End Developer (Angular & React)
A leading global investment bank is seeking a Senior Front End Developer (Angular & React) to join a high-impact technology team in London. This role sits within a critical production services organisation and focuses on building a greenfield, end-to-end payments monitoring platform - a capability not currently replicated elsewhere in the industry.
This is a hands-on role for a confident engineer who can take full ownership of design, architecture, and delivery, working across complex, business-critical systems in a fast-moving environment.
The Opportunity:
You’ll design and build modern, high-performance web applications that streamline operational workflows, reduce manual processes, and improve risk visibility across global banking platforms. The work spans new platform development, enhancement of existing services, and integration across a large, distributed financial ecosystem.
Key responsibilities include:
- Designing, developing and enhancing enterprise-scale applications
- Building modern React and Angular front ends
- Developing API integrations and scalable services
- Working closely with business stakeholders and engineering teams
- Driving technical decisions and architectural improvements
- Helping deliver highly available, performant applications
- Contributing to a strategic payments monitoring platform
Required Skills:
- Strong commercial experience with React and/or Angular
- Excellent knowledge of JavaScript and TypeScript
- Solid understanding of HTML, CSS and modern UI development
- Experience building and consuming APIs
- Strong appreciation of software architecture and design patterns
- Experience delivering scalable, high-performance applications
- Familiarity with Agile delivery environments
- Experience with CI/CD and tools such as Jenkins and Jira
Desirable:
- C# / .NET experience
- Exposure to monitoring and observability tools
- Experience within financial services, fintech or other highly regulated environments
About this role
Mthree is placing a Senior Front End Developer with a leading global investment bank to build a greenfield payments monitoring platform—a genuinely novel capability in the industry. Based in London and working in-office, you'd join a production services team tackling complex, business-critical systems where your work directly impacts operational efficiency and risk visibility across global banking infrastructure.
This is a hands-on role demanding full ownership of design, architecture, and delivery. You'll design and build high-performance React and Angular applications, develop API integrations, and work across a large distributed financial ecosystem. The position calls for strong commercial experience with React and/or Angular, solid JavaScript and TypeScript skills, and a genuine grasp of software architecture and design patterns. You should be comfortable delivering scalable applications in an Agile environment and familiar with CI/CD tooling like Jenkins and Jira.
The role suits a confident engineer ready to drive technical decisions and collaborate closely with business stakeholders and engineering teams in a fast-moving environment. Prior experience in financial services or regulated industries is desirable but not required; C#/.NET exposure and familiarity with monitoring tools would strengthen your candidacy.
How this employer is doing
average
- Recent Acquisition
Typical pay for this role
$140,000
Typical range: $100,000 to $140,000
In the news
Mayer Brown advises Inspirit Capital on the merger of mthree and Peregrine, Mayer Brown
Pay for this role
The employer didn't post a pay range for this role. That usually means pay is set in negotiation, which favors whoever arrives with numbers. Check ranges on comparable Front End Developer postings in your area, and analyze any offer before you accept it.
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