Mastercard

Mastercard

Posted via Workday

Lead Software Engineer - Java, Spring, Springboot, Kafka, Cryptography, Session Key Derivation, HSM

Posted Sep 3, 2026

Role at a glance

Salary
Not Disclosed
Location
Pune, India
Work arrangement
On-site
Employment
Full-time
Experience
Extensive knowledge and experience with Java, Spring, Springboot. - Experienced in event driven systems (Apache Kafka, NATS, etc) - Experience in financial system encryption (PIN Blocks, CHIP, CVC) would be beneficial - Strong experience of Cryptography in Payment cycle. · Strong experience of Session Key Derivation and validation. · Strong experience of Triple DES and Advanced Encryption Standard techniques. · Strong understanding of Thales or equivalent Payment Validation HSM modules and its commands. - Engineering experience, preferably in high volume, low latency transaction processing systems (such as payments transaction switching, high frequency trading systems or global real-time event streaming systems etc.) - Experience in CI/CD pipeline creation via Jenkins. - Delivered scalable products through a CI/CD pipeline deploying on-prem or in a public cloud infrastructure.
Education
BS or MS in Computer Science

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Role Summary

AI-generated

The software engineer joins Mastercard’s Crypto-Services Squad, which supports value-added switching security services such as authentication and validation. The role focuses on application quality, automation, deployment, and performance engineering across complex systems and environments.

What You'll Do

  • Ensure application codebase quality and alignment with development standards.
  • Contribute to automation design for infrastructure deployment and review and test compatibility and integration processes.
  • Automate large-scale systems across multiple locations and environments, including public cloud, private cloud, and bare metal.
  • Automate common tasks and deploy using an IaaS model and tools such as Chef or Ansible.
  • Orchestrate deployment and maintenance of complex applications.
  • Develop and review code, support day-to-day operations, and handle performance engineering for enterprise software architecture.

Generated from the employer's posting. Verify important details before applying.

View full posting

Qualifications

Extensive knowledge and experience with Java, Spring, and Springboot; event-driven systems such as Apache Kafka or NATS; payment-cycle cryptography, session key derivation and validation, Triple DES, AES, and Thales or equivalent Payment Validation HSM modules and commands. Experience creating Jenkins CI/CD pipelines and delivering scalable products through CI/CD on-premises or in public-cloud infrastructure; strong writing and verbal communication skills.

Required

  • Java, Spring, and Springboot
  • Event-driven systems (Apache Kafka, NATS, etc.)
  • Cryptography in the payment cycle; session key derivation and validation; Triple DES and Advanced Encryption Standard techniques; Thales...
  • Engineering experience, preferably in high-volume, low-latency transaction processing systems such as payment transaction switching,...
  • CI/CD pipeline creation via Jenkins; delivery of scalable products through a CI/CD pipeline deploying on-premises or in public-cloud...

Preferred

  • Financial system encryption (PIN Blocks, CHIP, CVC) is beneficial
  • Testing frameworks and methodologies (Gtest, JUnit, mocking, etc.)
  • Building platforms with microservice architecture and RESTful APIs
  • Cloud-native approaches running on Linux, leveraging Spring Boot
  • Virtualization such as Cloud Foundry (PCF), Kubernetes (PKS), and Docker
  • Deployment via Concourse CI
  • Coding languages including Java, Go, C++, and ESQL

Original job description

Content provided by the employer

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 - Java, Spring, Springboot, Kafka, Cryptography, Session Key Derivation, HSM

Providing Innovative, Secure, and Reliable Switching Solutions is the lifeblood of Mastercard Core Products, we are currently seeking a passionate, collaborative, and experienced software engineer to join our Crypto-Services Squad.

Are you a collaborator capable of communicating effectively with Business and IT stakeholders across all organizational levels?

Are you an innovator who embraces, adopts, and studies the latest technology to solve challenging business problems?

If this describes you, Mastercard wants to talk to you about the creation of our new agile Cryptographic-Services Squad. Our fully autonomous, cross functional team supports value added switching security services (e.g. Authentication and Validation) around the globe in order to improve the consumer experience.

About the Role:
===================================
- Ensure quality of one or more application codebases and alignment with development standards.
- Provides input into design of automation for full infrastructure deployment; manages review of and tests for compatibility and integration processes needed to connect with other devices
- Automates large scale systems spanning multiple locations and environments.
- Writes code automating public cloud, private cloud, and bare metal.
- Automates common tasks, deploy with an IaaS model, utilizing chef, ansible, or similar
- Ability to write moderately complex scripts and programs for automation, tools, frameworks,
dashboards, alarms. (common uses: Python, Perl, PHP, JavaScript, Go).
- Orchestrates the deployment/maintenance of complex applications.
- Responsible for performance engineering of the enterprise software architecture.
- Significant code development, commitment of code/review of pull-requests, and modest day-to-day
support duties.

About You:
===================================
- Extensive knowledge and experience with Java, Spring, Springboot.
- Experienced in event driven systems (Apache Kafka, NATS, etc)
- Experience in financial system encryption (PIN Blocks, CHIP, CVC) would be beneficial
- Strong experience of Cryptography in Payment cycle.
· Strong experience of Session Key Derivation and validation.
· Strong experience of Triple DES and Advanced Encryption Standard techniques.
· Strong understanding of Thales or equivalent Payment Validation HSM modules and its commands.
- Engineering experience, preferably in high volume, low latency transaction processing systems (such as payments
transaction switching, high frequency trading systems or global real-time event streaming systems etc.)
- Experience in CI/CD pipeline creation via Jenkins.
- Delivered scalable products through a CI/CD pipeline deploying on-prem or in a public cloud infrastructure.
- Ensure quality across the full stack via rigorous CI/CD practices in all aspects of the SDLC (Builds, Test, and
Deploy).
- Strong writing and verbal communication skills

Preferred Skills:
===================================
-Experience with testing frameworks and methodologies (Gtest, JUnit, mocking, etc.)
- Experienced in building platforms with Microservice architecture and RESTful APIs.
- Experience using cloud-native approaches running on Linux, leveraging Spring Boot
- Experience with virtualization like Cloud Foundry (PCF), Kubernetes (PKS), Docker etc.
- Experience with deployment via Concourse CI.
- Experience with various coding languages Java, Go, C++,ESQL, etc.

Education:

BS or MS in Computer Science

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

About the company

Mastercard

Large Enterprise

Mastercard is a global technology company in the payments industry, committed to empowering individuals and businesses through secure and efficient payment solutions. With a presence in over 210 countries, Mastercard connects consumers, financial institutions, merchants, and governments, enabling seamless transactions across various platforms. The company is at the forefront of innovation, focusing on enhancing financial inclusion and expanding access to digital payment technologies. Through its advanced network and partnerships, Mastercard continues to revolutionize the way people engage in commerce worldwide.