SeniorFull TimeEN
About Crown Agents Bank
Crown Agents Bank is a rapidly growing, regulated UK bank connecting emerging and frontier markets to the world through innovative FX and payments technology. Our mission is simple: reduce friction so more money reaches those who need it.
For over 200 years we’ve built trusted networks across hard‑to‑reach markets. Today, we pair that heritage with digital innovation to support fintechs, corporates, governments, development organisations and banks with cross‑border payments and FX solutions.
Role Purpose
About the role:
Crown Agents Bank (CAB) is hiring a Software Engineer to join our FX and Cross-Border Payments team. The team is responsible for the platforms which serve our clients in moving money globally, as well as building solutions for internal Operations and Trading teams. As part of a small Engineering Team, Engineers are required to take ownership of the entire delivery lifecycle, working autonomously with Architects, Business Analysts and Product Managers to deliver value for the Bank and prosperity in the markets we serve.
Engineers are encouraged to utilise the latest in AI tooling during their day-to-day, including Claude Code. Our tech stack consists primarily of Kotlin/Java event-driven Spring Boot services hosted on AWS, with PostgreSQL datastores, Kafka-based messaging, and Python for Agentic flows.
At CAB, we value proactive Engineers who are constantly seeking to solve problems and improve processes - increasingly this involves being hands-on in building Agents on our in-house AI Platform. Through these varied responsibilities Engineers gain deep exposure to both financial domain knowledge and modern software engineering practices.
Role Responsibilities
Design, implement and deliver solutions, taking ownership across the full delivery lifecycle.
Take an active part in design and architectural discussions, influencing technical direction.
Consider operational costs, observability, and support capabilities, utilising AI to manage this and play an active role in day-to-day support tasks.
Write high-quality, well-tested code, leading to the delivery of reliable, scalable products.
Take an error-resilient approach to system design.
Work closely with both internal and external stakeholders to refine requirements and ensure products meet the user's needs.
Seek out opportunities to bring in new technologies to improve our systems and ways of working.
Take opportunities to lead larger delivery streams, coordinating work and facilitating design sessions.
A strong foundation in computer science fundamentals is essential, whether gained through a relevant degree, or through demonstrable industry experience of equivalent depth.
Essential Criteria:
3+ Years of experience in software development.
Experience designing and building scalable, distributed, error-resilient systems using modern, cloud-native architecture.
Experience with Kotlin and/or Java and Spring Boot.
A solid grasp of PostgreSQL or similar relational databases.
Experience with Event-driven architecture and messaging systems such as Kafka or SQS.
Experience running containerized applications in cloud environments.
Knowledge of software best practices, like code reviews, Test-Driven Development (TDD), and Continuous Integration (CI).
Excellent communication and collaboration skills.
An aptitude for learning and staying up to date with the latest in technology.
Experience using AI tooling during the SDLC, with a strong understanding of the associated risks.
Desirable Criteria:
Experience with Python and Agentic programming frameworks, such as Strands.
Experience working in a small team with a wide range of responsibilities.
Experience in financial services or payments.
Infrastructure as code using Terraform.
Experience in Web UI/visualisation technologies like HTML5, JavaScript, Vaadin, and React.js.
Knowledge of the Axon framework.
