Senior Software Engineer (Staff) in City of Westminster

Currencycloud was acquired by Visa in December 2021. Our Senior Software Engineers are responsible for implementing an industry-leading API that has already processed over 50 billion USD of cross-border transactions for over 5 million end users, and is available to our clients 24x7. Our engineers are at the forefront of taking us forward to meet the demands of even greater scale. Our stack runs on AWS as a set of distributed applications using Kubernetes and a microservice-led architecture. We are also utilising Kafka for our streaming and PACT for Contract testing.

As a Senior Software Engineer you will play a key role within your cross-functional team, taking responsibility for your services and the technology within them. These roles fit into squads who are building out brand new parts to our payments platform, focusing on high availability, cloud native, microservice concepts. You will work as the Lead Engineer in your squad, leading discussions around technical direction and systems design, as well as mentoring more junior members of the team. You will have clear ownership of your domain, a clean modern codebase, an independent path to production, strong platform and product support, and the ability to make real changes with real business value.

Tech stack and responsibilities:

• Object-oriented programming forms the bulk of our codebase, currently in Java, versions 11+, and ideally Springboot framework.
• Highly-scalable, highly-available, cloud-native applications on AWS are key to our next phase of growth, written to 12-factor principles and fitting into our microservices architecture.
• Cloud-related tools, services, and distributed system observability to support these applications, such as Docker, Kubernetes, ElasticSearch, log management systems, and Datadog APM.
• API specifications, conforming to the OpenAPI (Swagger) standard, provide a clean boundary both externally between our customers and our product, and internally between our microservices.
• SQL, and large SQL databases, provide the persistence layer for our applications.
• Infrastructure automation is primarily owned by the infrastructure team, but you will be a consumer of their work; familiarity with AWS, Terraform and Docker is beneficial.
• Testing approaches, including TDD, BDD and Contract Testing, form an important part of our approach to quality assurance.
• Agile development, with teams broadly aligned with the Spotify - Squads and Tribes - model, helps us deliver incremental improvements to our products in an iterative manner.
• Continuous Integration and Continuous Delivery pipelines allow us to automate all processes, providing repeatable builds and consistent deployments.
• GitHub, and the GitHub PR review process, forms a core part of our developer workflow, and peer reviews help share knowledge and improve quality.
• Teamwork, and cross-team collaboration, is fundamental to the delivery of our applications.

This is a hybrid position. Expectation of days in office will be confirmed by your Hiring Manager.

Qualifications and experience:

• 5+ years of relevant work experience with a Bachelor’s Degree or at least 2 years of work experience with an Advanced degree (e.g. Masters, MBA, JD, MD) or 0 years of work experience with a PhD, OR 8+ years of relevant work experience.
• Preferred Qualifications: 5+ years experience in Java Backend Development; Skills with functional Java (versions 8+) and Spring (ideally Springboot).
• Agile ways of working such as Scrum or Kanban in cross-functional teams.
• Expert knowledge of Docker, EKS, AWS (public cloud) and Kafka.
• Ability to communicate effectively with both technical and non-technical stakeholders.
• Modern Cloud-Native architectures and practices (high-availability, high-scalability, microservices, 12-factor apps, CI/CD, heavy testing automation and observability).
• TDD, BDD and Contract testing.
• Working in a DevOps environment, or willingness to work in this way.
• Proven delivery of well-tested, scalable, fault-tolerant and performant solutions.
• A pragmatic approach to solutions and delivery of technical projects; self-starter, accountability, and willingness to get things done.
• Exceptional structure and attention to detail; comfortable challenging the status quo and curious about how things work.
• Great written and verbal communication skills.
• Comfortable working in a scale-up or growth environment and as part of a wider team.

Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year.