Frontend Software Engineer

Icon Solutions; Wimbledon; On-site; GBP 70,000 - 100,000; Full time

Job summary

Icon Solutions Ltd is seeking an experienced Frontend Software Engineer to join the IPF product platform. You will develop new modules and enhance the internal/client UI dashboarding toolkit, aligning with WCAG AA accessibility and a growing design system.

You’ll work on API design, security considerations, and real-time UX improvements, collaborating with BAs, PMs, and cross-functional teams in an agile environment. The role involves hands-on coding and architectural input.

Qualifications

• Extensive frontend or full-stack experience with strong TypeScript and web standards.

Responsibilities

• Run discovery with BAs and PMs, capture personas and user stories.
• Design and build high-fidelity prototypes on realistic data.
• Found and evolve a design system with WCAG AA accessibility and Storybook.
• Make design decisions using established UX principles when conflicts arise.
• Deliver production-quality code with test-first approaches (TDD/BDD).
• Secure APIs and ensure granular authorization/scoping (OAuth, SAML, JWT, RBAC).
• Contribute to architecture and technical discussions.
• Push cutting-edge agentic UX design beyond basic web interfaces.

Skills

TypeScript

Web standards

UX principles

REST APIs

OAuth/SAML/JWT

RBAC

TDD/BDD

Agile / Jira / Confluence

Tools

Docker

Kubernetes

Git

Jira

Confluence

Storybook

Ansible

Spring Boot

Job description

The Icon Payments Framework (IPF) provides institutions with faster and more cost-effective access to payments through an advanced and highly flexible payments specific platform which seamlessly integrates with core and back-office banking applications.

This is an exciting opportunity for an experienced Frontend Software Engineer to work on unique product platform. The role will require working and creating new product modules as well as working on the UI dashboarding toolkit used internally and by clients.

About You

• Experienced frontend or full-stack Engineer, with strong TypeScript and web standards.
• Working knowledge of the 12 UX laws (such as Hick's, Fitts's, Miller's and Jakob's) and when one outweighs another.
• Strong understanding of OWASP: the Top 10, the API Security Top 10 and ASVS.
• Strong understanding of API principles: REST, contracts and versioning, pagination, idempotency, error handling and least-privilege (OAuth, SAML, JWT, RBAC).
• Awareness of software supply-chain hygiene.
• Familiarity with twelve-factor principles for containerised services.
• Java and Spring Boot skills sufficient to read and change the services behind the UI.
• Experience with CI/CD, Git and signed-commit workflows.
• Agile delivery experience using Jira and Confluence.
• Clear written communication, and a self-starter who takes ownership.

What Do Our Frontend Engineers Do?

• Run discovery with BAs and PMs, and capture personas, user stories and stack-neutral requirements.
• Design and build high-fidelity prototypes on realistic data.
• Found and evolve a multiple design system: WCAG AA accessibility and Storybook.
• Make and justify design decisions using established UX principles, including choosing between conflicting ones.
• Deliver production quality code
• Work test-first where it applies, using TDD and BDD.
• Design, review and secure the APIs these tools depend on, including granular authorisation and scoping.
• Contribute to architecture, design decisions and technical discussions.
• Cutting edge agentic UX design, not just web interfaces.
• Experience with the Spring framework and technologies
• Experience of pushing to a node repository
• Good understanding of asynchronous request handling and partial page updates.
• Automation environment provisioning using Ansible
• Previous experience with real-time messaging systems
• DevOps experience gained within highly transactional software environments
• Knowledge and/or experience of Docker and Kubernetes
• Knowledge of Unix sys admin and scripting
• Knowledge of document-based data stories e.g. MongoDB

About Us

Icon Solutions is a leading specialist provider of services and technology solutions that are simplifying banking transformation.

Icon is the past, present and future of payments. With a proven record delivering mission-critical solutions for global institutions, it is driving the next-generation of banking and payments architecture. Icon combines industry-leading domain experts, services, accelerator assets and technology that empower customers to solve problems, fight complexity and embrace change.

Icon has applied its payments, technical and integration expertise to create IPF: a low-code, cloud-native, open-source technology platform to accelerate payments transformation.

Icon’s clients include leading global banks such as BNP Paribas, HSBC, NatWest and Lloyds Banking Group.