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Senior Software Engineer

London
Posted 10 days ago
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Senior Software Engineer – Treasury Liquidity Observability Team

About Visa

Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions, and government entities across more than 200 countries and territories. Dedicated to uplifting everyone, everywhere, we are committed to being the best way to pay and be paid.

At Visa, you’ll have the opportunity to create impact at scale—tackling meaningful challenges, growing your skills, and seeing your contributions impact lives globally.

Join Visa and do work that matters—to you, your community, and the world. Progress starts with you.


About the Role

Currency Cloud was acquired by Visa in December 2021. The Treasury Liquidity Observability Team is responsible for building the engine that observes where our funds are—or are projected to be—at any given time, enabling optimized liquidity management across our global network.

This engine will leverage modern architectural principles, including event-driven approaches, to ensure:

  • Scalability
  • Resilience
  • Real-time decision-making

Key Responsibilities

As a Senior Software Engineer, your role will focus on designing and implementing this engine while collaborating with engineers and stakeholders. You’ll lightly advocate for event-driven architectures within the team rather than broader evangelism.

Technical Environment:

  • Stack: AWS, Kubernetes (EKS), microservices architecture, Kafka for streaming, and Pact for contract testing.
  • Tech Stack Includes:
    • Java (versions 11+), preferably with Spring Boot
    • High-availability, cloud-native applications built to 12-factor principles
    • Docker, Kubernetes, ElasticSearch, log management systems, and Datadog APM
    • OpenAPI (Swagger) for API specifications
    • SQL & large-scale database solutions
    • AWS automation (familiarity with Terraform and Docker is beneficial)

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

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Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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What You’ll Work On

  • Design and develop core services for the liquidity observability system.
  • Implement event-driven patterns to support real-time decision-making.
  • Deploy highly available, scalable, and observable components.
  • Collaborate cross-functionally to align technical solutions with business needs.
  • Contribute to continual improvements in testing, deployment, and code quality.
  • Support and advocate for event-driven architecture within the team.

What You’ll Benefit From: ✅ Ownership of critical components in a high-impact financial system. ✅ Complex, business-critical problems with real-world impact. ✅ Modern tech stack & autonomy to drive innovation. ✅ Strong organizational support and visibility for your contributions.


Requirements

Basic Qualifications

  • 5+ years of relevant experience with a Bachelor’s degree, OR
    • 2+ years with an Advanced degree (Master’s, MBA, JD, MD), OR
    • 0+ years with a PhD, OR
    • 8+ years of relevant experience (experience-based adjustment).

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Preferred Qualifications

  • 5+ years of Java backend development (versions 8+, ideally 11+ with Spring Boot).
  • Strong expertise in event-driven architectures and pragmatic application.
  • Deep experience with Kafka, Flink, and distributed streaming systems.
  • Agile methods (Scrum, Kanban) in cross-functional teams.
  • Expertise in Docker, EKS, AWS, and Kafka.
  • Strong technical and non-technical communication skills.
  • Proven ability to deliver well-tested, scalable, fault-tolerant solutions.
  • Pragmatic problem-solving with accountability for outcomes.
  • DevOps awareness or willingness to adapt to such environments.

Technical Proficiencies: 🔹 Cloud-Native architecture (high availability, scalability, microservices, 12-factor apps) 🔹 CI/CD automation 🔹 Testing methodologies (TDD, BDD, Contract Testing) 🔹 Infra automation (AWS, Terraform, Docker)


Work Arrangement & Inclusion

  • This is a hybrid position. Expectation of in-office days is at least 3 (confirmed by your Hiring Manager).

Visa is an EEO Employer. Qualified applicants will receive consideration without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability, or protected veteran status.

Visa will also consider for employment qualified applicants with criminal histories in compliance with EEOC guidelines and applicable law.

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Skills

Java
Spring Boot
Event-Driven Architecture
Kafka
Flink
Agile
Docker
AWS
Microservices
CI/CD
TDD
BDD
Contract Testing
Observability
SQL
GitHub

Location

London, England, United Kingdom

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