Senior Software Engineer (Splunk)

541 Cisco Systems Poland sp. Z o.o.; Kraków; On-site; PLN 180,000 - 240,000; Full time

Job summary

541 Cisco Systems Poland sp. Z o.o. in Kraków is seeking a Senior Engineer to shape architectural decisions and build scalable metadata services as part of the MDC team within Cisco's Data Fabric strategy.

You will own end-to-end feature delivery, collaborate on system architecture, optimize for scale and low latency, and lead quality, testing, and on-call ownership. Mentor junior engineers in a fast-paced enterprise environment.

Qualifications

• Bachelor's in computer science or related field + 6+ years of related experience, or Master's + 3+ years of related experience.
• Strong hands-on proficiency in an object-oriented or systems language (Go, Java, or C++) with production-grade services.
• Cloud-native microservices using AWS, Azure, or GCP, with Docker and Kubernetes.
• Distributed systems foundations: algorithms, data structures, concurrency, RESTful/gRPC design.
• CI/CD and Agile environments with automated testing and deployments.
• Reliability & performance: diagnosing bottlenecks and ensuring high availability.

Responsibilities

• End-to-End Feature Delivery: own development and implementation of complex, high-impact features and microservices within the MDC platform.
• Collaborate on System Architecture: translate product requirements into modular, scalable, and resilient components.
• Build for Scale & High Performance: optimize low-latency applications for large-scale graph relationships and data lineage queries.
• Drive Quality & Engineering Excellence: author comprehensive tests to ensure high product reliability.
• Operational & Production Ownership: ownership of services in production-monitoring, on-call rotations, and post-incident reviews.
• Technical Mentorship & Collaboration: mentor junior engineers through code reviews and design discussions.

Skills

Go

Java

C++

AWS

Azure

GCP

Docker

Kubernetes

RESTful APIs

gRPC

CI/CD

Agile

Performance tuning

Education

Bachelor's in computer science or related field

Master's in computer science or related field

Tools

Neo4j

AWS Neptune

Apache AGE

Cypher

Gremlin

GraphQL

Job description

Meet the Team

The Splunk Metadata Catalog (MDC) team is part of the core Splunk Platform organization. We are building a high-scale Knowledge Graph that empowers Splunk users to discover data assets effortlessly, map complex relationships, and trace data lineage across diverse ecosystems. You will join a fast-paced, high-impact team pioneering foundational technology central to the Cisco Data Fabric strategy. As a Senior Engineer, you will shape architectural decisions and build systems that scale across enterprise-grade data platforms.

Your impact

• End-to-End Feature Delivery: own development, and implementation of complex, high-impact features and microservices within the Metadata Catalog platform.
• Collaborate on System Architecture: Partner with Technical Leaders and Architects to translate product requirements into modular, scalable, and resilient distributed components.
• Build for Scale & High Performance: optimize robust, low-latency applications capable of managing large-scale graph relationships and data lineage queries.
• Drive Quality & Engineering Excellence: Champion a Developer Owned Quality mindset within the team by authoring comprehensive unit, integration, and performance tests to ensure high product reliability.
• Operational & Production Ownership: Take active ownership of services in production-monitoring service health, debugging complex distributed issues, participating in on-call rotations, and driving post-incident reviews.
• Technical Mentorship & Collaboration: Mentor junior and mid-level engineers through detailed code reviews and design discussions, fostering continuous learning and engineering rigor across the team.

Minimum Qualifications

• Education & experience: Bachelor's in computer science / related field + 6 years of related experience, or Masters + 3 years of related experience
• Software Development & Debugging: Strong hands-on proficiency in an object-oriented or systems language (such as Go, Java, or C++), with proven experience designing, developing, and debugging production-grade services.
• Cloud & Container Technologies: Demonstrated experience building and operating cloud-native microservices using AWS, Azure, or GCP, alongside containerization and orchestration tools (Docker, Kubernetes).
• Distributed Systems Foundations: Solid grasp of algorithms, data structures, concurrency, distributed systems architecture, and RESTful / gRPC API design.
• CI/CD & Agile Rigor: Proven background delivering software in fast-paced Agile environments with automated testing and continuous integration/continuous deployment (CI/CD) pipelines.
• Reliability & Performance Focus: Track record of diagnosing and solving performance bottlenecks and ensuring high availability in distributed environments.

Preferred Qualifications

• Graph Databases & Technologies: Hands-on experience with graph databases (e.g., Neo4j, AWS Neptune, Apache AGE) and query languages/frameworks (e.g., Cypher, Gremlin, GraphQL).
• Data Lineage & Metadata: Experience with metadata catalogs, data governance frameworks, schema registries, or knowledge graph platforms.
• Event Streaming: Familiarity with distributed message brokers and streaming platforms (e.g., Apache Kafka, RabbitMQ).
• Observability: Experience instrumenting services with observability metrics, distributed tracing, and logging frameworks (e.g., OpenTelemetry, Prometheus, Splunk).
• Collaboration & Adaptability: Strong communication skills with a demonstrated ability to collaborate effectively across distributed global engineering teams in an evolving technical landscape.

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. Cisconians power the future. We make impact as a team, innovating fast and fearlessly to create meaningful solutions on a large scale. The depth and breadth of our technology doesn't just benefit our customers – it also means limitless opportunities for us to experiment and learn. We understand the power each of our unique backgrounds bring when we work together. Because of that, we have a global network of thinkers, doers, experts, and curious creators who help one another do their life’s best work.