Senior Software Engineer (Cheltenham, UK)
Sr. Software Engineer - Cheltenham, UK
Location: Cheltenham, UK (Remote)Team: Product & EngineeringEmployment Type: Full-Time
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
Weâre looking for a Senior Software Engineer to design, build, and scale the core systems that power VulnCheckâs vulnerability intelligence platform. This is a high-impact, hands-on role where youâll own critical services and data pipelines end-to-endâfrom design through production.
Youâll play a key role in shaping architecture, improving system performance and reliability, and delivering features that directly impact customers. While youâll help resolve production issues, your focus will be on building durable, scalable solutions that prevent them. This is a 100% remote role but we're primarily looking for candidates based in Cheltenham, United Kingdom.
What Youâll Do
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
Debug complex production issues and implement long-term, scalable solutions
Improve system performance, reliability, and observability across the platform
Partner closely with Product, Data, and other Engineering teams to deliver impactful features
Mentor junior engineers and contribute to a strong engineering culture
Participate in incident response and on-call rotations
What Youâll Bring
5+ years of experience building and scaling backend systems as a software engineer
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
Strong ownership mindset with the ability to lead projects independently
Excellent communication skills and ability to collaborate cross-functionally
Preferred Qualifications
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
We believe people do their best work when they feel supported, trusted, and valued. VulnCheck offers benefits designed to meet a wide range of needs and lifestyles:
Benefits and Perks
Unlimited PTO
401k plan with 100% match on first 3%, then 50% of the next 3-5% of compensation
Comprehensive healthcare coverage
Generous paid parental leave
Remote friendly environment with flexibility
Expense reimbursement for Cell Phone & Internet
Ongoing professional development, coaching, and learning resources
Opportunities for career advancement within a fast-growing team
Why Join Us
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.
VulnCheck gives organizations a tactical advantage by providing best-in-class exploit & vulnerability intelligence information. We have a sense of duty to protect the critical infrastructure we rely on including medical devices, power grids and telecommunication networks. We were founded in 2021 in Lexington, Massachusetts.
VulnCheck has a transparent, collaborative, and supportive culture - we are looking for people who have a growth mindset, are curious and innovative. Our team is smart, but humble, hardworking, and supportive.
VulnCheck is proud to be an Equal Employer Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. VulnCheck is committed to working with and providing reasonable accommodations to applicants with physical and mental disabilities. *Even if your experience doesnât perfectly align with the job description, we encourage you to applyâwe value potential just as much as a perfect resume.
Apply Now
Location: Cheltenham, UK (Remote)Team: Product & EngineeringEmployment Type: Full-Time
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
Weâre looking for a Senior Software Engineer to design, build, and scale the core systems that power VulnCheckâs vulnerability intelligence platform. This is a high-impact, hands-on role where youâll own critical services and data pipelines end-to-endâfrom design through production.
Youâll play a key role in shaping architecture, improving system performance and reliability, and delivering features that directly impact customers. While youâll help resolve production issues, your focus will be on building durable, scalable solutions that prevent them. This is a 100% remote role but we're primarily looking for candidates based in Cheltenham, United Kingdom.
What Youâll Do
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
Debug complex production issues and implement long-term, scalable solutions
Improve system performance, reliability, and observability across the platform
Partner closely with Product, Data, and other Engineering teams to deliver impactful features
Mentor junior engineers and contribute to a strong engineering culture
Participate in incident response and on-call rotations
What Youâll Bring
5+ years of experience building and scaling backend systems as a software engineer
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
Strong ownership mindset with the ability to lead projects independently
Excellent communication skills and ability to collaborate cross-functionally
Preferred Qualifications
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
We believe people do their best work when they feel supported, trusted, and valued. VulnCheck offers benefits designed to meet a wide range of needs and lifestyles:
Benefits and Perks
Unlimited PTO
401k plan with 100% match on first 3%, then 50% of the next 3-5% of compensation
Comprehensive healthcare coverage
Generous paid parental leave
Remote friendly environment with flexibility
Expense reimbursement for Cell Phone & Internet
Ongoing professional development, coaching, and learning resources
Opportunities for career advancement within a fast-growing team
Why Join Us
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.
VulnCheck gives organizations a tactical advantage by providing best-in-class exploit & vulnerability intelligence information. We have a sense of duty to protect the critical infrastructure we rely on including medical devices, power grids and telecommunication networks. We were founded in 2021 in Lexington, Massachusetts.
VulnCheck has a transparent, collaborative, and supportive culture - we are looking for people who have a growth mindset, are curious and innovative. Our team is smart, but humble, hardworking, and supportive.
VulnCheck is proud to be an Equal Employer Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. VulnCheck is committed to working with and providing reasonable accommodations to applicants with physical and mental disabilities. *Even if your experience doesnât perfectly align with the job description, we encourage you to applyâwe value potential just as much as a perfect resume.
Apply Now