Remote Senior Software Engineer

• 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

Technologies:

• AWS
• Backend
• Cloud
• ETL
• Java
• Python
• Security
• microservices
• DevOps

• 5+ years of experience building and scaling backend systems as a software engineer
• Strong programming skills in one or more languages such as Python, Go, or Java
• Experience designing distributed systems and working with microservices architectures
• Deep understanding of APIs, system design, and cloud infrastructure, with 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: experience in cybersecurity, vulnerability management, or threat intelligence
• Preferred: familiarity with CVE, NVD, KEV, or exploit intelligence datasets
• Preferred: experience with streaming systems or real-time data processing
• Preferred: background in high-growth or startup environments

We are VulnCheck, a cybersecurity company 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. This is a full-time Senior Software Engineer role on our Product & Engineering team, working remotely from Cheltenham, UK, with a primary preference for candidates based in Cheltenham, United Kingdom. We offer unlimited PTO, a 401k plan with company match, comprehensive healthcare coverage, generous paid parental leave, a remote-friendly environment with flexibility, cell phone and internet expense reimbursement, ongoing professional development, and opportunities for career advancement within a fast-growing team. We were founded in 2021 in Lexington, Massachusetts, and our team brings over two decades of cybersecurity experience. We offer a transparent, collaborative, supportive culture and are proud to be an equal opportunity employer committed to inclusion and reasonable accommodations. last updated 27 week of 2026