Senior Software Engineer - Front End - Studio (Core)

Clear Street; Greater London; Hybrid; GBP 110,000 - 150,000; Full time

Benefits offered by this job

Competitive compensation

Company equity

Pension

Parental leave

Medical and dental insurance

In-office 3 days per week

Job summary

Clear Street in London is seeking a Senior Software Engineer focused on Front End for Studio (Core) to build scalable, API-driven payments platforms and modern UX. You will translate product needs into robust, testable components and collaborate with product, design and back-end teams.

The role emphasizes ownership of architecture, code reviews, performance and accessibility, and shaping engineering standards across the payments team.

Qualifications

• Strong experience in building large-scale software systems.
• Proven ability to drive technical decisions end-to-end.
• Hands-on with API-driven architectures and event streams.
• Strong testing and automation mindset.
• Experience with distributed systems and cloud platforms.

Responsibilities

• Engineer reliable, API-driven payment systems for global expansion.
• Translate requirements into maintainable, tested components.
• Collaborate with product, design, operations and back-end teams to deliver high-quality experiences.
• Identify and resolve performance, accessibility, and usability issues.
• Participate in code reviews and contribute to shared libraries.

Skills

Architectural design

Distributed systems

Automated testing

Code reviews

Tools

Java Spring Boot

Kafka

Kubernetes

Go

Python

TypeScript/React

Job description

Senior Software Engineer - Front End - Studio (Core)

London, UK

About Clear Street

Clear Street’s mission is to give every sophisticated investor access to every asset, in every market, through a unified platform built for speed, transparency and scale.

We give our clients the technology, tools, and service once reserved for the largest institutions, rebuilt with modern infrastructure. Our single, cloud-native, end-to-end capital markets platform powers investor growth today and is transforming how they can interact with markets tomorrow.

As a Senior Software Engineer on Clear Street’s Payments team, you’ll play a key role in scaling and modernising our rapidly evolving global payments infrastructure. You’ll develop highly reliable, API-driven systems that integrate seamlessly with external banks and payment gateways, streamlining complex operational workflows and supporting our expansion into new lines of business, including digital initiatives. Working closely with cross-functional partners, you’ll contribute to large-scale, high-impact initiatives that enhance our core payments offering, significantly reduce manual operational processes, and offer our customers a smooth payment experience, helping to shape the future of the Clear Street financial ecosystem.

What You’ll Do

• Engineer highly reliable, API-driven payment systems that streamline operations and support our global expansion.
• Translate product and design requirements into clean, maintainable and well-tested components.
• Collaborate closely with product managers, business, operations, designers and back-end engineers to deliver high-quality experiences.
• Identify and resolve performance, accessibility, and usability issues across the application.
• Participate in code reviews, contribute to shared component libraries, and help uphold our engineering standards.
• Support the operational health of your features and help maintain a high SLA.

The Team

You will work with a team of talented, passionate and highly collaborative engineers. Working together, we have built a platform that serves institutional clients and is at the forefront of technological innovation. Our engineers take pride in not just the value we provide our customers but the quality of our work. You will have the opportunity to work with cutting-edge technologies, collaborate with colleagues from diverse backgrounds, and make a meaningful impact on the financial industry. We value creativity, innovation, strong work ethics, and we are committed to providing our team members with the support and resources they need to succeed.

Java Spring Boot, Kafka, gRPC/REST, Kubernetes and Cloud (AWS or Azure).

What We’re Looking For

• Master Java and Spring Boot, and comfortably make tweaks in TypeScript/React, Go, and Python.
• A proven track record of driving technical decisions and owning complex, large-scale engineering problems end-to-end.
• Hands‑on experience building scalable architectures utilizing Kafka and Kubernetes for robust, resilient integrations.
• Solid understanding of global payment ecosystems, external banking APIs, and streamlining complex operational workflows.
• Strong command of software design patterns, distributed systems, clean code principles, and automated testing strategies.
• Ability to actively manage technical debt, negotiate requirements, and ship reliable solutions without demanding perfection.
• Actively advocate for better tooling, overhaul inefficient processes, and push our engineering practices forward.
• A highly collaborative mindset with a preference for collectively solving intricate architectural challenges.

What We Offer

At Clear Street, we offer:

• competitive compensation packages
• company equity
• pension
• gender-neutral parental leave
• full medical and dental insurance

Our belief has always been that we are better as a business when we are all together in person. As such, we require employees to be in the office a minimum of three days per week.

Our top priority is our people. We’re continuously investing in a culture that promotes collaboration. We help each other through challenges and celebrate each other’s successes. We believe that modern workplaces succeed by virtue of having high-performance workforces that are diverse in ideas, in cultures, and in experiences. We put in the effort to make such a workplace a daily reality and are proud to be an equal opportunity employer.