Senior Site Reliability Engineer

Senior Site Reliability Engineer

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 Site Reliability EngineerSenior Site Reliability Engineer - SRE - Java/Spring Boot, Microservices
Company: Mastercard
Category: Software Engineering
Experience: 8+ years
Location: Pune
Overview
Mastercard is a technology company in global payments. We’re seeking a Senior Software Engineer for SRE Role with strong Java Microservices development experience to improve the reliability, performance, and operability of mission critical services. You will serve as a subject matter expert across development, testing and Support for production/non production environments, driving reliability, monitoring & observability, performance engineering, root cause analysis, and automation to increase production stability. Acts as a recognized technical authority with sound commercial awareness.

What You’ll Do
• Reliability & Operations
• Improve service reliability through better architecture, automation, capacity modeling/planning, and sub linear operational scaling.
• Lead incident handling, mitigation, RCA, and postmortems; clearly explain performance bottlenecks to stakeholders.
• Build best in class monitoring/observability using Splunk and Dynatrace (or equivalent APM); create advanced dashboards, queries, and runbooks.
• Maintain and improve program quality matrix like availability, MTTM, latency, capacity, scalability, reliability for the project
• Engineering & Performance
• Contribute to and review Java/Spring Boot microservices and RESTful applications for Reliability and Performance.
• Drive performance testing/tuning/analysis, using applications like JMeter, Blaze meter (or similar), through thread/heap dump analysis, Java, SQL, network & application configuration tuning/fixing.
• Partner as a co owner of resilient production services and CI/CD pipelines with software engineering teams.
• Architecture & Tooling
• Work across Java app servers, web servers, Docker, Kubernetes, Kafka, Redis, and cloud platforms (AWS/Azure/GCP); Cloud Foundry is a plus.
• Lead POCs to incubate new features/capabilities; recommend product customization for system integration.
• Collaboration & Governance
• Collaborate with SRE, operations, production support, performance testing, architects, and application owners.
• Identify patterns and implement reusable solutions that reduce complexity and operational risk.
• Uphold compliance with applicable laws, policies, and risk standards; demonstrate ethical judgment and transparency.
• Mentor junior engineers and influence engineering decisions through counsel and expertise.
• working in large-scale agile software development environments utilizing the SAFe framework (scrum methodology)

Required Qualifications
• Education: BE/BTech in Computer Science or equivalent experience.
• Experience: 8+ years in Engineering/IT; 3+ years in enterprise Java development; 3+ years with Splunk/ELK (or similar log analytics); 3+ years with Dynatrace or other APM.
• Development & Architecture
• Java, Spring, Spring Batch, Spring Boot, Microservices, RESTful APIs, MVC architecture.
• Databases: Oracle, SQL (queries & stored procedures).
• Platform/infra: Java app servers, web servers, Linux/Unix, Docker, Kubernetes, Kafka, Redis; Cloud Foundry (plus).
• Expertise in building Dashboards/Views in Splunk and Dynatrace is a Plus
• SDLC & Tooling
• CI/CD: Jenkins, Git, Maven; Agile/DevOps practices; experience in SAFe at scale.
• Reliability & Performance
• Production monitoring, observability, RCA, capacity planning (redline/load testing).
• Performance testing/tuning/analysis; JMeter, BlazeMeter (or equivalent); thread/heap dump analysis.
• Oracle Database SQL & configuration Tuning for Performance (indexes, hints, execution plan analysis, SQLT, AWR and similar report analysis)
• Hands on in large scale, complex, highly available distributed systems (web, relational & non relational DBs, cache, pub/sub, containers) with resiliency, graceful degradation, DR, and backpressure patterns.
• Soft Skills
• Clear written/verbal communication; stakeholder engagement across operations, developers, and performance testers.
• Analytical/diagnostic strength; ability to work independently, in a matrix/virtual environment, under pressure and tight deadlines.
• Proven record of operational process changes and continuous improvement.
• Commercial awareness with alignment to business outcomes.
• Influence the engineering function by providing guidance, expert advice, and facilitating services to support decision-making processes
• Demonstrated capability to operate effectively within a matrix organization and collaborate with virtual teams.
• Proven ability to work autonomously, manage multiple tasks simultaneously, and assume responsibility for various aspects of projects or initiatives.
• Skilled in performing under pressure and adept at meeting strict deadlines or adapting to changing expectations and requirements.

Nice to Have / Differentiators
• AI for Reliability: Applying AI tools to enhance monitoring, observability, automation, and system reliability; experience using Microsoft Copilot for coding, scripting, and automation.
• Big Data / AIOps: Experience with AIOps and Splunk Machine Learning Toolkit; Splunk administration.
• Metrics & Benchmarking: Comprehensive knowledge of design metrics, analytics tools, benchmarking, and reporting to capture best practices.

How You’ll Work
• Partner across SRE and engineering to leverage shared tools, processes, and techniques that improve reliability and reduce operational toil.
• Identify recurring operational challenges and implement reusable, cross functional solutions that lower cost, complexity, and risk.
• Safeguard Mastercard’s reputation, clients, and assets through policy adherence and transparent risk management.

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.

Experience Level

Senior Level