Senior Software Engineer (Cheltenham, UK)

United KingdomOn-site

Responsibilities

Design and build scalable backend systems, APIs, and data pipelines
Own services end-to-end, including architecture, development, deployment, and operation
Lead technical design discussions and contribute to system architecture decisions
Write high-quality, maintainable code and drive engineering best practices
Improve system performance, reliability, and observability across the platform
Mentor junior engineers and contribute to a strong engineering culture

Strong programming skills in one or more languages (Python, Go, Java, etc.) •
Experience designing distributed systems and working with microservices architectures
Deep understanding of APIs, system design, and cloud infrastructure (AWS preferred) •
Experience working with data pipelines, ETL systems, or high-volume data processing
Proven ability to debug and optimize production systems
Excellent communication skills and ability to collaborate cross-functionally Preferred
Experience in cybersecurity, vulnerability management, or threat intelligence
Familiarity with CVE, NVD, KEV, or exploit intelligence datasets •
Experience with streaming systems or real-time data processing
Background in high-growth or startup environments What We Offer
Built on over two decades of cybersecurity experience, our team of experts understands the intricacies of vulnerabilities, their exploitation in the wild, and how to leverage this data to build more effective cybersecurity products that produce better outcomes for organizations.
We have a sense of duty to protect the critical infrastructure we rely on including medical devices, power grids and telecommunication networks.

Participate in incident response and on-call rotations What You’ll Bring 5+ years of

benefits designed to meet a wide range of needs and lifestyles: Benefits and Perks Unlimited PTO 401k plan
Comprehensive healthcare coverage
Generous paid parental leave

Employment Type: Full-Time, Remote About VulnCheck
VulnCheck is transforming vulnerability intelligence by helping security teams act faster and with more confidence.
Our platform delivers early, high-quality exploit intelligence, deep asset correlation, and contextual insights to help organizations stay ahead of emerging threats. About the Role
This is a high-impact, hands-on role where you’ll own critical services and data pipelines end-to-end—from design through production.
You’ll play a key role in shaping architecture, improving system performance and reliability, and delivering features that directly impact customers.
While you’ll help resolve production issues, your focus will be on building durable, scalable solutions that prevent them.
Although this is a 100% remote role, candidates must be located in or around Cheltenham, United Kingdom. What You’ll Do
Debug complex production issues and implement long-term, scalable solutions
Partner closely with Product, Data, and other Engineering teams to deliver impactful features
Strong ownership mindset with the ability to lead projects independently