Software Engineer - Payments Systems

Software Engineer - Front End - Studio (Core) - Greenhouse; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Clear Street is seeking a Software Engineer on the Payments team to scale and modernise our global payments infrastructure. You will build API-driven systems that integrate with banks and gateways, enabling expansion into new business lines and automating complex workflows.

You will work with product, design, and backend engineers to implement reliable, well-tested components, improve performance and accessibility, and maintain high service levels.

Qualifications

• Master Java and Spring Boot.
• Ability to tweak TypeScript/React, Go and Python.
• Experience building API-driven, scalable payment systems.
• Track record of delivering high-quality software with strong testing.

Responsibilities

• Engineer reliable API-driven payment systems for global expansion.
• Translate requirements into clean, maintainable components.
• Collaborate with product, design, ops, and backend engineers to deliver quality experiences.
• Identify and resolve performance, accessibility, and usability issues.
• Contribute to shared libraries and uphold engineering standards.
• Maintain operational health and high SLA for features.

Skills

Java

Spring Boot

TypeScript

React

Go

Python

Tools

Kafka

gRPC/REST

Kubernetes

AWS

Azure

Job description

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.

For more information, visit https://clearstreet.io .

The Role

As a 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.

Tech Stack

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 pro