About Us

At Mastercard, we're powering economies and empowering people, building ​ a sustainable economy where everyone prospers.

Size: 10000+ employees
Industry: Consulting, Financial Services, Technology, Fintech

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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

Lead Software Engineer:

Overview:

The MDES Team, is looking for a Lead Software Development Engineer to help build next-generation, microservices-based enterprise applications using the Java stack and modern, best-of-breed user interfaces. This team plays a key role in driving the company's innovation strategy by integrating AI-driven capabilities into scalable, high-performance systems.
The ideal candidate demonstrates a strong passion for software engineering and whants to jump into AI innovation, leads software engineering projects, and supervises the development and delivery of enhanced software solutions. Evaluate alternative technical solutions to address evolving business needs and ensure that the team's daily activities comply with service level agreements (SLAs).

Role

As a Lead Software Engineer, you will:

• Develop solutions with innovation, cost-effectiveness, high quality, and quick time to market. Manage the team's daily system development and maintenance activities to meet SLAs.
• Collaborate with business and technical partners to identify opportunities, outline potential value, and assess risks, benefits, and constraints.
• Develop strategic technical plans and create architecture proposals based on identified solution gaps. As a recognized subject matter expert, oversee planning, design, and implementation of technical solutions.
• Develop solution definitions and solution architectures. Assist management in business case development and scenario planning for effective decision making. Present information to management, business owners, and other stakeholders.
• Partner with project managers to implement processes according to the evolving needs of the team and solutions. Define the technical scope and requirements of projects and assist project managers with managing scope throughout the project lifecycle.
• Ensure adequate test coverage during unit testing, system/integration testing, and performance testing.
• Guide the team through all phases of the SDLC of an application. Lead production incident and problem management, identifying root causes and resolving issues. Mentor, coach, and assist project team members.
• Conduct brownbag sessions on new and emerging technologies, methodologies, and frameworks. Provide technical training to the team. Assist with the selection of technical resources for projects.

All about You/Experience

You should apply if:

• you have advanced knowledge of core computer science concepts, design patterns, architecture fundamentals, and software security principles-and can guide teams in applying them effectively;

• you have a strong track record of serving as the technical owner for a team-driving architecture, supervising implementation, ensuring code quality, and supporting delivery from concept to production;

• you have deep hands-on experience building scalable, distributed systems using Java and Spring Boot, with a strong emphasis on microservices architecture and operational excellence;

• while comfortable with modern front-end technologies like JavaScript, TypeScript, Vue.js, React, or Angular, your primary strength lies in back-end and systems design;

• you have a worked with teams or projects that integrate AI/ML capabilities into enterprise applications-via APIs, embedded models, or intelligent platform services;

• you are proficient in designing and reviewing RESTful APIs and event-driven or asynchronous architectures, and you help establish best practices across teams;

• you actively mentor engineers, foster technical growth, and contribute to a culture of innovation, quality, and continuous improvement;

• you are comfortable working cross-functionally with product, data science, and infrastructure teams, and excel at aligning technical direction with business goals;

• you're excited to lead the development of globally impactful, intelligent software used by hundreds of millions of users
  It would also be great if:

• you have first-hand knowledge of a wide range of technologies - databases, messaging, caches, API gateways, networking, pipelines, cryptography, - and preferably the products we use such as Jenkins, Splunk, Akamai, Dynatrace, etc..

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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.

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.

Client-provided location(s): Lisbon, Portugal

Job ID: Mastercard-22331_R-259525

Employment Type: OTHER

Posted: 2025-09-02T19:13:38
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Perks and Benefits

Health and Wellness

• Health Insurance
• Dental Insurance
• Vision Insurance
• Life Insurance
• Short-Term Disability
• Long-Term Disability
• FSA
• FSA With Employer Contribution
• HSA
• HSA With Employer Contribution
• Fitness Subsidies
• On-Site Gym
• Pet Insurance
• Mental Health Benefits
• Virtual Fitness Classes
• Health Reimbursement Account

Parental Benefits

• Birth Parent or Maternity Leave
• Non-Birth Parent or Paternity Leave
• Fertility Benefits
• Adoption Assistance Program
• Family Support Resources
• On-site/Nearby Childcare
• Adoption Leave

Work Flexibility

• Flexible Work Hours
• Remote Work Opportunities
• Hybrid Work Opportunities

Office Life and Perks

• Commuter Benefits Program
• Casual Dress
• Happy Hours
• Snacks
• Company Outings
• On-Site Cafeteria
• Holiday Events
• Some Meals Provided

Vacation and Time Off

• Paid Vacation
• Paid Holidays
• Personal/Sick Days
• Leave of Absence
• Volunteer Time Off

Financial and Retirement

• 401(K) With Company Matching
• Performance Bonus
• Relocation Assistance
• Financial Counseling
• Stock Purchase Program
• 401(K)
• Company Equity

Professional Development

• Tuition Reimbursement
• Promote From Within
• Mentor Program
• Access to Online Courses
• Lunch and Learns
• Internship Program
• Work Visa Sponsorship
• Leadership Training Program
• Associate or Rotational Training Program
• Shadowing Opportunities

Diversity and Inclusion

Employee Resource Groups (ERG)

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