jobs.pl/Job offers/IT - Software Development/Sr./Principal Software Engineer
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Sr./Principal Software Engineer

On-site work

Publication date: 30/08/2026

SingleStore engineers build the real-time data platform powering some of the world’s most demanding applications. Our cloud-native architecture enables high-performance transactional and analytical workloads at scale, and our teams ship production code continuously throughout the year. We operate in a fast-moving, highly collaborative environment where engineers own their work end-to-end and partner closely across Product, Sales, and Go-To-Market teams to deliver meaningful business impact. We are seeking a Senior/Principal Software Engineer to join the Engineering team and play a critical role in designing and delivering core capabilities for SingleStore’s. This is a senior technical role with end-to-end ownership of large, release-defining projects at the intersection of distributed systems, cloud infrastructure, and database technology.

Responsibilities

Lead technical design and decision-making for large, release-defining projects impacting SingleStore’s cloud platform; Design and implement new capabilities across networking, control plane, and managed service infrastructure, with main focus on our billing systems; Solve complex, mission-critical system problems with solutions that are scalable, maintainable, and resilient; Collaborate closely with Product Management to translate customer and business requirements into robust technical solutions; Investigate and resolve difficult issues in production and development environments while balancing multiple responsibilities; Investigate, debug and fix issues with billing data synchronization; Contribute to data visualization dashboards; Mentor and guide engineers on system design, coding standards, and architectural best practices, raising the technical bar across the team

Requirements

6+ years of experience developing and debugging system-level software in Golang or similar language; Familiarity with distributed systems managed via Kubernetes; Demonstrated ability to design and build highly reliable, high-performance system software; Experience working in environments where performance, scalability, and reliability are critical; Bachelor’s degree in Computer Science or equivalent practical experience

Nice to have

Experience building cloud-native SaaS platforms; Experience working with frontend web frameworks like React; Background with cloud based metering and billing and generally accepted account practices

Benefits

Total compensation and benefits package; additional rewards, including merit increases and annual bonuses
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