C++ Senior Software Engineer, Splunk Search Experience

Cisco Systems, Inc.; Kraków; Hybrid; PLN 180,000 - 280,000; Full time

Job summary

The Cisco Splunk Search Experience backend team in Kraków is seeking a Senior Software Engineer to help build a next-gen, highly scalable search platform powering AI-driven workflows. You will work on distributed backend systems and collaborate with product and cross-functional teams to ship high-performance features.

You will mentor engineers, diagnose incidents, and contribute to end-to-end delivery of complex software in production, with exposure to Kubernetes and cloud services.

Qualifications

• 6+ years of software engineering with CS degree or equivalent.
• Deep expertise in C++ and backend systems.
• Strong distributed systems, design, debugging skills.
• Experience delivering complex software end-to-end in production.

Responsibilities

• Design, develop, and launch features powering core search functionalities.
• Build robust, scalable distributed systems in multi-threaded/multi-process environments.
• Define and optimize search language layer transformations.
• Analyze reliability and scalability of search execution pipelines.
• Mentor junior engineers and drive technical direction.

Skills

C++ backend

Distributed systems

System design

Public cloud (AWS/GCP/Azure)

Mentoring

Communication

Education

Bachelor's degree in Computer Science

Master's degree in Computer Science

Tools

Kubernetes

Monitoring tools

Job description

Meet the Team

The Splunk Search Experience backend team sits at the core of the Splunk Platform, powering Cisco Data Fabric (https://investor.cisco.com/news/news-details/2025/Cisco-Data-Fabric-Transforms- Machine-Data-into-AI-Ready-Intelligence/default.aspx) vision to transform machine data into AI- ready intelligence. We are seeking a Senior 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

• 6+ years of experience in software engineering with a Bachelor’s or Master’s degree in Computer Science or related field or equivalent practical experience.
• Deep expertise in C++, including experience building high-performance backend systems.
• Strong foundation in Distributed Systems concepts, System Design, Debugging and Testing.
• Proven ability to design scalable and reliable system architectures.
• Excellent problem-solving, debugging, and triaging skills.
• Experience owning and delivering complex software projects end-to-end in production environments.
• Strong written and verbal communication skills.
• Demonstrated experience mentoring other engineers and driving technical direction.
• Experience working with public cloud services such as AWS, GCP, Azure.

Preferred Qualifications

• Experience with modern monitoring, observability, and performance tuning tools.
• Exposure to full-stack search systems (e.g., indexing pipelines, query execution pipelines).
• Knowledge of deploying and managing services in Kubernetes clusters.

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.