# Senior Software Engineer at Mastercard

Mastercard is hiring a Senior Software Engineer in London, United Kingdom. Level rates it Little AI ●○○○; you can [apply on Mastercard](https://jobsbylevel.com/go/923ce1eb-d943-49b5-8d7e-741189d7a5bb?utm_medium=ai-agent).

AI Level 1, AI centrality 20 out of 100. London, England (Angel Lane).

## Details

- Company: [Mastercard](https://jobsbylevel.com/companies/mastercard)
- AI level: AI Level 1 (score 20 out of 100)
- Location: London, England (Angel Lane)
- Posted: November 9, 2026
- Apply: https://jobsbylevel.com/go/923ce1eb-d943-49b5-8d7e-741189d7a5bb?utm_medium=ai-agent
- Free CV review for this job: https://jobsbylevel.com/cv-review?job=senior-software-engineer-at-mastercard-f82f01

## Description

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Job Overview You'll join the Real Time Payments (RTP) Platform, Tooling & Engineering Enablement team as a senior technical individual contributor. We uplift engineering across RTP and act as a force multiplier for the program. We align RTP to Mastercard standards across platform, CI/CD, and governance, while improving developer experience and supporting AI enablement. You’ll apply strong engineering knowledge to technical problems, working with teams across RTP Engineering. How success is measured The team is measured on four key areas: • Developer Experience – DX improves across RTP and stays above the Mastercard benchmark • Innovation & Architecture – the right technology comes into RTP, and what works is shared back with the enterprise • AI Enablement – AI is adopted consistently and acts as a force multiplier across RTP • Standards & Governance – Mastercard and RTP standards embedded, with teams, including our own, held to them Major Accountabilities • Apply strong engineering expertise to improve how RTP builds, tests, and ships software • Contribute to the design and delivery of secure, resilient, and scalable solutions with clear, well-documented designs • Investigate technical problems, analysing data and areas of failure or inefficiency, and turn findings into practical recommendations • Evaluate approved engineering practices and technologies that could improve how RTP works • Support practical AI adoption across RTP Engineering teams using approved tools • Help embed standards and governance by supporting adoption, reviewing how we work, and helping turn gaps into owned actions or items for the program tech roadmap • Work with teams across RTP to support shared engineering outcomes • Communicate technical topics clearly to leadership through concise reporting and recommendations • Share engineering knowledge and provide guidance to engineers across cross-functional teams Education • Bachelor's degree in Computer Science, Information Technology, or Engineering, or equivalent experience Knowledge / Experience • Strong experience in software engineering and software design, with Java desired • Strong experience in CI/CD • Strong experience in platform engineering and cloud • Experience delivering complex technical work and contributing to solution design • Experience using AI in day-to-day engineering, such as AI coding assistants and agents, and supporting adoption across teams • Experience applying engineering standards, including design, secure coding, and testing • Experience presenting technical information clearly to business and technology audiences • Experience supporting and guiding other engineers • Experience working effectively across teams without direct authority • Knowledge of payments, or experience working in a regulated industry 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.

Source: https://jobsbylevel.com/jobs/senior-software-engineer-at-mastercard-f82f01

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