Back End Developer

Senior Backend Engineer£90,000–£100,000 + 12% Bonus + Excellent BenefitsHybrid | West London (1 day per week or less depending on seniority)Build Technology That Protects PeopleWe're partnering with a rapidly growing technology business operating at the intersection of cloud software, video intelligence, AI and physical security.Backed by one of the world's leading providers of critical communications and safety technology, the company develops mission-critical products used by frontline workers, enterprise organisations and government customers to help keep people, assets and infrastructure safe.This is an opportunity to work on technology with real-world impact, solving complex engineering challenges at scale while contributing to products that are used every day in environments where reliability matters.The RoleAs a Senior Backend Engineer, you'll play a key role in evolving and scaling a suite of cloud-based security products.You'll work on performance-critical backend systems, develop new capabilities, improve existing services and help integrate next-generation products into a rapidly expanding platform.This is a genuinely backend-focused role, with the majority of your time spent building software, solving technical challenges and contributing to architectural decisions.You'll Be Working OnDesigning and building scalable backend servicesImproving system performance, reliability and scalabilityDeveloping cloud-native applications and distributed systemsIntegrating new products and technologies into the wider platformSolving complex challenges involving video, sensor and security dataCollaborating closely with product, engineering and technical leadershipMentoring less experienced engineers and contributing to engineering best practicesWhat They're Looking ForMust HaveStrong commercial backend engineering experienceGolang is preferred but Experience with Python, Java, Rust or C++ is fineExperience building and maintaining production systems at scaleStrong software engineering fundamentalsCloud experience (AWS, Azure or GCP)Experience working within modern service-oriented or distributed architecturesPassion for writing high-quality, maintainable codeNice To HaveVideo, streaming, camera or sensor technology experienceSecurity, telecoms, defence or IoT experienceAI, Machine Learning or Computer Vision exposureTechnical leadership or mentoring experienceWhy Join?Meaningful ImpactWork on products used in mission-critical environments where your work directly contributes to safety, security and operational effectiveness.Interesting Technical ChallengesTackle complex problems involving cloud infrastructure, distributed systems, performance optimisation, integrations and large-scale data processing.Learn New TechnologiesGo is widely used across the engineering organisation, but strong backend engineers from other languages are encouraged to apply.Career DevelopmentAccess funded certifications, training programmes, further education opportunities and structured career progression.Package & Benefits£90,000–£95000 base salary12% annual bonus£519 per month car allowance (or company vehicle)25 days holiday plus bank holidaysOption to purchase additional annual leavePrivate medical insurance (including family cover)Dental coverExcellent pension scheme with enhanced employer contributionsEmployee stock purchase programmeLife assuranceEnhanced parental leaveFunded training, certifications and further educationInterview ProcessTechnical video interview with engineering leadershipOnsite technical session and team meet-and-greetFinal culture and values discussionA streamlined process designed to assess technical ability while giving candidates the opportunity to meet the team and learn more about the business.If you're a backend engineer who enjoys solving difficult problems, building reliable systems and working on technology with genuine real-world impact, we'd love to hear from you.