Senior Software Engineer (C++)

Posted Yesterday
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Kraków, Małopolskie, POL
In-Office
Senior level
Cloud • Information Technology • Internet of Things • Professional Services • Software
The Role
Develop scalable, fault-tolerant backend search services for Splunk’s distributed search platform. Responsibilities include designing search features, optimizing query execution, improving reliability and scalability, troubleshooting customer incidents, building CI/CD and test automation capabilities, and mentoring engineers. The role requires strong C++ development, distributed-systems expertise, cloud experience, debugging skills, and familiarity with REST or gRPC services.
Summary Generated by Built In

Meet the Team
Join the Splunk Search Experience Backend team, a core engineering organization within the Splunk Platform. Our team develops scalable search capabilities that help bring Cisco’s Data Fabric vision to life-turning machine data into AI-ready intelligence. We are seeking strong software engineers to join a team of passionate distributed-systems engineers in building the next-generation, highly scalable search platform that fuels AI-driven workflows across our products.

Your Impact
In this role, you will be part of the team driving the evolution of Splunk’s flagship search engine capabilities, ensuring the platform meets the next wave of customer scale, performance, and reliability needs. You will have the opportunity to partner with product, and multi-functional teams to deliver high-performance, efficient, and resilient backend search services that delight customers.

  • Design, develop, and launch features directly powering Splunk’s core search functionalities across our product eco-system.
  • Build robust, fault-tolerant and scalable distributed systems in a multi-threaded/multi-process environment.
  • Define and perform various search language layer optimizations/transformations.
  • Analyze and improve reliability, and scalability of search execution pipelines.
  • Diagnose and solve customer incidents and issues, reflect and identify gaps in product, observability and process, and design and deliver enhancements for prevention.
  • Hire, mentor junior engineers and grow talents on the team.

Minimum Qualifications

  • 7 years of related experience with a technical Bachelor's degree or equivalent practical experience or 5 years and a technical Master's degree or equivalent practical experience.
  • Coding proficiency in C++, and the ability to quickly learn new ones, especially Python, Java, or Go.
  • Strong fundamentals in software engineering: data structures, algorithms, operating systems and software design.
  • Strong debugging and troubleshooting skills including the use of associated tools.
  • Experience in working on distributed systems like databases, file systems and storage systems.
  • Experience with developing CI/CD systems, test automation frameworks, and integrating AI coding assistants and agentic workflows into development and testing practices.
  • Experience in REST, grpc, or similar communication paradigms.
  • Experience working with public cloud services such as AWS, GCP, Azure.

Preferred Qualifications

  • Passion for solving hard problems and exploring new technologies.
  • Knowledge of deploying and managing services in Kubernetes clusters.
  • Knowledge of query language and processing like SQL, SPL, etc.
Why Cisco? 

At Cisco, we’re revolutionizing how data and infrastructure connect and protect organizations in the AI era – and beyond. We’ve been innovating fearlessly for 40 years to create solutions that power how humans and technology work together across the physical and digital worlds. These solutions provide customers with unparalleled security, visibility, and insights across the entire digital footprint.

Fueled by the depth and breadth of our technology, we experiment and create meaningful solutions. Add to that our worldwide network of doers and experts, and you’ll see that the opportunities to grow and build are limitless. We work as a team, collaborating with empathy to make really big things happen on a global scale. Because our solutions are everywhere, our impact is everywhere. 

We are Cisco, and our power starts with you. 

Skills Required

  • 7 years of related experience with a technical Bachelor's degree or equivalent practical experience, or 5 years with a technical Master's degree or equivalent practical experience
  • Coding proficiency in C++ and ability to learn Python, Java, or Go
  • Strong knowledge of data structures, algorithms, operating systems, and software design
  • Strong debugging and troubleshooting skills using associated tools
  • Experience developing distributed systems such as databases, file systems, or storage systems
  • Experience with CI/CD systems, test automation frameworks, and AI coding assistants or agentic development workflows
  • Experience with REST, gRPC, or similar communication paradigms
  • Experience working with public cloud services such as AWS, GCP, or Azure
  • Knowledge of deploying and managing services in Kubernetes clusters
  • Knowledge of query languages and processing such as SQL or SPL
  • Passion for solving difficult problems and exploring new technologies

Cisco Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Cisco and has not been reviewed or approved by Cisco.

  • Healthcare Strength Health coverage is described as robust with multiple plan options and access to onsite/virtual LifeConnections Health Centers on major campuses. Company materials also highlight mental-health resources and comprehensive preventive care, supporting strong core medical benefits.
  • Leave & Time Off Breadth Time away includes company‑wide recharge days, a paid birthday, a year‑end shutdown, and paid Critical Time Off for emergencies. Paid volunteer days further expand opportunities to step away and recharge.
  • Parental & Family Support Policies include a global minimum for paid parental leave for primary caregivers, caregiving concierge services, and on‑site children’s learning centers in select locations. In the U.S., family‑building support is consolidated under Carrot with a defined lifetime maximum, indicating structured assistance across fertility, preservation, adoption, and surrogacy.

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The Company
HQ: San Jose, CA
77,500 Employees
Year Founded: 1984

What We Do

Cisco (NASDAQ: CSCO) enables people to make powerful connections--whether in business, education, philanthropy, or creativity. Cisco hardware, software, and service offerings are used to create the Internet solutions that make networks possible--providing easy access to information anywhere, at any time. Cisco was founded in 1984 by a small group of computer scientists from Stanford University. Since the company's inception, Cisco engineers have been leaders in the development of Internet Protocol (IP)-based networking technologies. Today, with more than 71,000 employees worldwide, this tradition of innovation continues with industry-leading products and solutions in the company's core development areas of routing and switching, as well as in advanced technologies such as home networking, IP telephony, optical networking, security, storage area networking, and wireless technology. In addition to its products, Cisco provides a broad range of service offerings, including technical support and advanced services. Cisco sells its products and services, both directly through its own sales force as well as through its channel partners, to large enterprises, commercial businesses, service providers, and consumers.

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