The Principal Software Development Architect will design secure, scalable B2B payment systems, mentor teams, and lead technical architecture initiatives focusing on high availability and performance.
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
Principal Software Development Architect
Principal Software Development Architect
Overview
As a Principal Software Architect for Mastercard Commercial Solutions, you will play a critical role in shaping the architecture of a global B2B payments platform designed for scale, security, and performance. This platform supports high-throughput, mission-critical financial transactions and is central to Mastercard's vision of transforming how businesses manage payments.
You will lead the design of secure, resilient, and scalable systems, mentor engineering teams, and collaborate closely with product and cross-functional stakeholders to bring complex solutions from concept to production. This role demands deep technical expertise, a strong sense of ownership, and a bias for action.Role Responsibilities• Define and drive high-level architecture and design for core platform capabilities with a focus on security, resiliency, and high throughput.• Lead the creation of technical blueprints, service contracts, and architectural patterns that guide implementation across teams.• Collaborate with product managers and business stakeholders to translate requirements into scalable, secure, and performant solutions.• Provide technical leadership and mentorship, guiding teams through design elaboration, implementation, and delivery.• Ensure alignment with Mastercard's architectural standards and best practices, including 12-factor app principles and cloud-native design.• Conduct design and code reviews to ensure architectural integrity and adherence to non-functional requirements.• Partner with other architects and engineering leaders to evolve the platform's architecture and technical roadmap.• Champion a culture of high accountability, ownership, and continuous improvement.
All About You• Proven experience designing and delivering high-volume, secure, and resilient systems in the fintech or payments domain.• Deep expertise in microservices architecture, distributed systems, and cloud-native technologies (e.g., Kubernetes, PCF, AWS/GCP/Azure).• Strong understanding of non-functional requirements such as high availability, performance, scalability, observability, security and fault tolerance.• Hands-on experience with Java, Spring Boot, messaging systems (Kafka, RabbitMQ), and relational databases (Oracle, PostgreSQL).• Experience with J2EE Architecture (e.g. SpringBoot, Jenkins), with Oracle MAA• Experience working in Agile environments, with a strong focus on iterative delivery and continuous feedback.• Excellent communication and collaboration skills, with the ability to influence across technical and non-technical audiences.• Passion for mentoring and growing engineering talent, and for building a strong engineering culture.• A proactive mindset with a bias for action and a commitment to delivering high-quality solutions.• Familiarity with front-end technologies and frameworks (e.g., Angular) is a plus.
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:
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
Principal Software Development Architect
Principal Software Development Architect
Overview
As a Principal Software Architect for Mastercard Commercial Solutions, you will play a critical role in shaping the architecture of a global B2B payments platform designed for scale, security, and performance. This platform supports high-throughput, mission-critical financial transactions and is central to Mastercard's vision of transforming how businesses manage payments.
You will lead the design of secure, resilient, and scalable systems, mentor engineering teams, and collaborate closely with product and cross-functional stakeholders to bring complex solutions from concept to production. This role demands deep technical expertise, a strong sense of ownership, and a bias for action.Role Responsibilities• Define and drive high-level architecture and design for core platform capabilities with a focus on security, resiliency, and high throughput.• Lead the creation of technical blueprints, service contracts, and architectural patterns that guide implementation across teams.• Collaborate with product managers and business stakeholders to translate requirements into scalable, secure, and performant solutions.• Provide technical leadership and mentorship, guiding teams through design elaboration, implementation, and delivery.• Ensure alignment with Mastercard's architectural standards and best practices, including 12-factor app principles and cloud-native design.• Conduct design and code reviews to ensure architectural integrity and adherence to non-functional requirements.• Partner with other architects and engineering leaders to evolve the platform's architecture and technical roadmap.• Champion a culture of high accountability, ownership, and continuous improvement.
All About You• Proven experience designing and delivering high-volume, secure, and resilient systems in the fintech or payments domain.• Deep expertise in microservices architecture, distributed systems, and cloud-native technologies (e.g., Kubernetes, PCF, AWS/GCP/Azure).• Strong understanding of non-functional requirements such as high availability, performance, scalability, observability, security and fault tolerance.• Hands-on experience with Java, Spring Boot, messaging systems (Kafka, RabbitMQ), and relational databases (Oracle, PostgreSQL).• Experience with J2EE Architecture (e.g. SpringBoot, Jenkins), with Oracle MAA• Experience working in Agile environments, with a strong focus on iterative delivery and continuous feedback.• Excellent communication and collaboration skills, with the ability to influence across technical and non-technical audiences.• Passion for mentoring and growing engineering talent, and for building a strong engineering culture.• A proactive mindset with a bias for action and a commitment to delivering high-quality solutions.• Familiarity with front-end technologies and frameworks (e.g., Angular) is a plus.
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.
Mastercard Boston, Massachusetts, USA Office
Our downtown Boston office is strategically located in the financial district, a short walk from South Station - one of the busiest transportation center in New England - and the Seaport District - a bustling, waterfront neighborhood and the tech hub of the city.
Similar Jobs at Mastercard
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Analyst, Business Process Improvement supports operational processes and team coordination, assisting with performance tracking, reporting, and communication across a large team.
Top Skills:
ExcelMicrosoft PowerpointMicrosoft SharepointMicrosoft Teams
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
The Product Designer will create user-centered solutions for digital payment experiences, collaborating with teams, managing design libraries, and incorporating feedback. This role requires extensive knowledge in product design, user experience, and technology coordination while ensuring quality and accessibility standards are met.
Top Skills:
CSSFigmaHTMLJSON
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Lead Software Engineer responsible for delivering innovative software solutions, leading projects, collaborating with stakeholders, and ensuring compliance with quality and security standards.
Top Skills:
Agile MethodologiesFinancial ServicesIntegration TestingPerformance TestingProof Of Concept (Poc)Software EngineeringSystem TestingUnit Testing
What you need to know about the Boston Tech Scene
Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.
Key Facts About Boston Tech
- Number of Tech Workers: 269,000; 9.4% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Thermo Fisher Scientific, Toast, Klaviyo, HubSpot, DraftKings
- Key Industries: Artificial intelligence, biotechnology, robotics, software, aerospace
- Funding Landscape: $15.7 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Summit Partners, Volition Capital, Bain Capital Ventures, MassVentures, Highland Capital Partners
- Research Centers and Universities: MIT, Harvard University, Boston College, Tufts University, Boston University, Northeastern University, Smithsonian Astrophysical Observatory, National Bureau of Economic Research, Broad Institute, Lowell Center for Space Science & Technology, National Emerging Infectious Diseases Laboratories

