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Senior DevOps Engineer



Software Engineering
London, UK
Posted on Friday, May 24, 2024

Our Purpose

We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation and delivers better business results.

Title and Summary

Senior DevOps Engineer

Senior DevOps Engineer


We are looking for a senior devops engineer to join an award winning team with a proven track record of combining data science technique with an intimate knowledge of payments data to aid Financial Institutions in their fight against money laundering and fraud. Headquartered in The City of London, we craft bespoke services that help our clients gain an understanding of the underlying criminal behaviour that drives financial crime, empowering them to take action.

As part of the application development team, your role will focus on building systems to support the monitoring and operation of our services. This will involve iterating existing products and designing and developing new ones. You will work with a wider team of analysts, data scientists and technologists, designing systems alongside these teams that ensure the efficacy and efficiency of our products.


• Automate build, operation and monitoring of microservices.
• Deploy Pipelines to all lower environments achieving sign-off at each stage of the SDLC.
• Maintain all deployed services on lower environments, ensuring a stable product and facilitating development and testing.
• Manage handover to the live support team and assist with capturing and prioritising defects.
• Work with our software engineers, seek to develop a self-healing and resilient set of microservices, promoting good operational principles during our research, design, and development phases.
• Manage communications and engagement with stakeholders including platform support, project management and live support devops.
• Report status and manage risks within your primary application/service.
• Develop complete understanding of end-to-end technical architecture and dependency systems.
• Build CI/CD pipelines to deploy and test solutions.
• The role is hybrid, based in central London, and the expectation is that you attend the office according to Mastercard policy, including team days on Monday and Thursday.
All About You

First and foremost, you enjoy building robust, smooth running services to solve real, pressing problems for your customers. You enjoy working in a team, and have an interest in data science and how advanced algorithms may be deployed as product offerings.

You are a DevOps specialist skilled in the cultural and technical principles & practices of the DevOps movement with experience of implementing DevOps approach and associated tools within an organization. You have a desire to continually improve your own skills and the ability to transfer those skills to others. You look for efficiencies, optimizations, and ways to improve through automation.
• You have demonstrable experience in software development, data science, devops, operations or a related discipline.
• You are comfortable communicating with a range of stakeholders, including subject matter experts, data scientists, software engineers and enterprise devops and security professionals.
• You are a confident software developer and can write (or are happy to learn) Python and Go.
• You have a firm grasp of traditional data warehousing, can write SQL, and can optimise the use of a large relational database, as well as experience with NoSQL.
• You have experience with, and are interested in, contemporary approaches to service design, including the use of containers and container orchestration technologies, streaming data platforms, APIs and in-memory/NoSQL stores.
• You understand how to build and operate deployment pipelines.
• You can debug products end to end through logs and error messages.
• You have Kubernetes experience.
• Experience & hands on knowledge of Unix/Linux.
• You can deploy and optimise container based streaming, storage and logging technologies and manage their operation during software development and testing.
• Experience of working within Agile frameworks including Scrum and Kanban
• Experience with Git version control and branching strategies, eg. trunk-based development, gitflow
• You can write clear and concise documentation designed to be used by other devops and bizops teams, e.g. run books.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

  • Abide by Mastercard’s security policies and practices;

  • Ensure the confidentiality and integrity of the information being accessed;

  • Report any suspected information security violation or breach, and

  • Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.