{"id":115364,"url":"https://alion.io/job/vulncheck-software-engineer-rapid-response-assignment-uk","title":"Software Engineer, Rapid Response Assignment - UK","company":{"id":42912,"name":"VulnCheck","domain":"vulncheck.com","url":"https://alion.io/company/vulncheck","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Cheltenham, United Kingdom"],"countries":["GB"],"hiring_countries":["GB"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":86000,"max_usd":162000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":29},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Go","optional":false},{"name":"Java","optional":false},{"name":"LLM","optional":false},{"name":"Python","optional":false},{"name":"CVE","optional":true},{"name":"KEV","optional":true}],"status":"live","first_seen_at":"2026-07-31T14:34:33Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-10-16T18:12:12Z","board_verified":true,"closed_at":null,"days_open":77,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":77},"description":"Software Engineer, Rapid Response Assignment - (UK)\nLocation: Cheltenham, UK (Remote)\nTeam: Product & Engineering\nEmployment Type: Full-Time\nAbout VulnCheck\n Exploitation prevention is only as strong as the intelligence driving those efforts, and most of the industry is still running on intelligence that lacks exploit context. VulnCheck, The Exploit Intelligence Company, delivers structured exploit intelligence on what is actively weaponized in the wild, purpose-built for the data lakes, ETL pipelines, automation, and AI and LLM workflows your infrastructure already runs on, raising the capability of everything it powers.\nAbout the Role\n We're looking for a Software Engineer, Rapid Response Assignment who combines strong engineering skills with a deep commitment to customer outcomes. In this hands-on role, you'll make sure our customers stay unblocked and that the issues they raise are resolved quickly, accurately, and for good.\nYou'll diagnose and fix complex problems across our platform, deliver improvements that directly address customer needs, and work closely with our Customer Success team to turn technical challenges into great outcomes. As part of a global engineering team providing continuous coverage, you'll bring engineering rigor to the work that customers feel most directly. This is a 100% remote role, but we're primarily looking for candidates based in Cheltenham, UK.\nWhat You'll Do\nResolve customer-reported issues quickly and thoroughly, from investigation through to a durable fix\nDiagnose complex, ambiguous problems across our services and data pipelines, tracing them to root cause\nDeliver high-quality engineering work that improves the platform and directly addresses customer needs\nPartner closely with Customer Success to align on technical solutions and outcomes\nMaintain and improve backend systems, APIs, and data pipelines\nWrite high-quality, maintainable code and uphold engineering best practices\nImprove system reliability, performance, and observability across the platform\nParticipate in incident response and on-call rotations\nWhat You'll Bring\n5+ years of experience building and scaling backend systems as a software engineer\nStrong programming skills in one or more languages (Python, Go, Java, etc.)\nStrong diagnostic and debugging skills, with a proven ability to root-cause complex production issues\nCuriosity and persistence - a drive to understand problems fully and see them through to resolution\nA customer-obsessed mindset: you take pride in delivering accurate, high-quality solutions that delight customers\nExcellent communication skills, with the ability to work effectively with customers and cross-functional teams\nSolid understanding of distributed systems, microservices, APIs, system design, and cloud infrastructure (AWS preferred)\nExperience working with data pipelines, ETL systems, or high-volume data processing\nPreferred Qualifications\nPrior experience in a customer reliability, sustaining, support, or escalation engineering role\nExperience in cybersecurity, vulnerability management, or threat intelligence\nFamiliarity with CVE, NVD, KEV, or exploit intelligence datasets\nExperience with streaming systems or real-time data processing\nBackground in high-growth or startup environments\nWhat We Offer\nWe 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, tailored to your country of employment:\nGenerous, flexible time off\nRetirement/pension plan contributions (e.g., 401k with match in the US; local pension schemes elsewhere)\nComprehensive healthcare coverage\nGenerous paid parental leave\nRemote-friendly environment with flexibility\nSupport for home office costs (phone & internet)\nOngoing professional development, coaching, and learning resources\nOpportunities for career advancement within a fast-growing team\nSpecific benefit details vary by country and are confirmed during the offer process.\nWhy Join Us\nBuilt 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.\nVulnCheck 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.\nVulnCheck 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.\nVulnCheck 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. 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