Senior Software Engineer - GO job opportunity at MasterCard.

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DateMore Than 30 Days Ago bot
MasterCard Senior Software Engineer - GO
Experience: General
Pattern: full-time
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degreeHigh School (S.S.C.E)
loacation Warsaw, Poland, Poland
loacation Warsaw, Poland....Poland

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 - GO 1) Overview As a member of the Software Defined Networking Operations team, you will own and deliver the code to bring our Operations group to the next level. As a "militantly automated" team, we work in Source Control and let pipelines drive our work. We believe in configuration modeling and defining standards via automation so the tooling can do the heavy lifting for us. You will participate on a high performing team that designs, builds, and runs world-class and leading-edge networking technology on many exciting platforms. As a member of the SDN Ops team, you will be building internal-facing tools to improve our tooling and increase our efficiency to support our customers. Key Responsibilities Tool Development: Build and maintain internal tools that automate network operations, improve observability, and streamline workflows. Infrastructure as Code: Model configurations and enforce standards through code, enabling consistent and repeatable deployments. Pipeline-Driven Engineering: Leverage CI/CD pipelines to manage code delivery, testing, and deployment. SDN Integration: Work with SDN controllers and APIs to abstract and automate network provisioning, policy enforcement, and lifecycle management. Collaboration: Partner with network engineers, architects, and other software teams to align tooling with operational needs and business goals. Mentorship: Mentor engineers on the Operations team and act as the team expert in all things software engineering. 2) Role You will design, build, and maintain internal-facing tools that support the SDN Operations team’s mission to deliver scalable, resilient, and automated networking solutions. The team operates with a “militantly automated” philosophy—favoring pipelines, source control, and configuration modeling over manual processes. Your work will directly impact how networking infrastructure is provisioned, monitored, and managed across platforms. 3) All about You/Experience The ideal candidate for this role is a software engineer with a strong foundation in backend development, infrastructure automation, and a passion for building tools that simplify complex networking operations. They should be comfortable working in a fast-paced, highly automated environment and possess the following qualifications: Technical Skills Proficient in Go: Able to build scalable, performant backend services and tooling using Go, which is a core language for infrastructure and networking applications. Experience with React (preferred): Familiarity with building intuitive and responsive user interfaces using React to support internal tooling and dashboards. Infrastructure as Code: Hands-on experience with tools like Terraform, Ansible, or similar for modeling and managing network configurations. CI/CD & DevOps: Deep understanding of pipeline-driven development using tools like GitHub Actions, GitLab CI, or Jenkins. Networking Concepts: Solid grasp of networking fundamentals Version Control: Strong Git skills and experience working in collaborative, source-controlled environments. Soft Skills & Mindset Automation-First Mentality: Committed to reducing manual effort through automation and scripting. Collaborative: Works well in cross-functional teams, especially with network/software engineers and operations staff. Problem Solver: Able to break down complex operational challenges and deliver elegant, maintainable software solutions. Customer-Focused: Understands the internal customer’s needs and builds tools that improve their workflows and efficiency. Continuous Learner: Stays current with emerging technologies in networking, automation, and software development. 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.

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