Senior Backend Engineer Location: UK (Hybrid) or Brazil (Remote) About Verifymy Verifymy is a rapidly growing Trust & Safety tech business dedicated to safeguarding children and society online. We provide frictionless, trustworthy Age Assurance and Content Moderation solutions to help platforms maintain their integrity, protect their reputation, and safeguard their customers. We have had considerable commercial success already, with marquee clients such as eBay and Google and strong recurring revenues. Following recent investment, we have some exciting product developments on the roadmap and are looking to scale rapidly through 2026. The Opportunity We are seeking an experienced Senior Backend Engineer to join our engineering team and help scale our Age Assurance and Content Moderation platform. You'll work on critical backend systems that handle sensitive identity data, build scalable verification workflows, and contribute to our mission of making digital identity verification seamless and secure. What we offer* *Subject to location and contract type 25 days holiday plus bank holidays Enhanced sick leave ✈️ Work-from-Anywhere for up to 20 days per year Gender-Neutral enhanced parental leave Mental wellbeing support Monthly wellbeing allowance Annual learning & development allowance Cycle to work scheme Nursery scheme What We’re Looking For Essential 5 years of software engineering experience with at least 2 years in a senior role Experience with modern backend technologies (Go, Python, Java, Node.js, or similar) Experience building high-availability, high-performance systems at scale Experience with CI/CD pipelines, container orchestration, and CDN management Extensive experience designing and building RESTful APIs and microservices architectures Understanding of encryption, authentication protocols (OAuth, SAML), and secure coding practices Strong problem-solving abilities and analytical thinking Excellent communication skills and ability to work in cross-functional teams Experience mentoring engineers and leading technical initiatives Adaptability and comfort working in a fast-paced startup environment Nice to Have Experience with machine learning frameworks and computer vision technologies Experience with AI development tools including Claude Code, Cursor IDE, and Gemma models Knowledge of identity verification standards and regulations (KYC, AML, eIDAS, UK Digital Identity Standards) Background in cybersecurity or fraud prevention Experience with real-time data processing and event-driven architectures Contributions to open-source projects or technical publications Feel like you don’t meet every single requirement in this post? We’d love to hear from you anyway. What You’ll Work On Technical Leadership Design and implement robust, scalable verification systems and APIs Lead architectural decisions for identity verification workflows and data processing pipelines Mentor junior engineers and contribute to technical standards and best practices Drive code reviews and ensure high-quality, secure code across the platform Platform Development Build and maintain core backend verification services, including document verification, biometric matching, and fraud detection systems Develop backend integrations with third-party identity providers, government databases, and verification services Design and implement scalable data processing pipelines and workflow engines Optimise system performance and reliability to handle high-volume verification requests Implement comprehensive monitoring, logging, and alerting systems for backend services Security & Compliance Ensure all backend systems meet stringent security requirements and compliance standards (SOC 2, GDPR, UK GDPR, etc.) Implement data encryption, secure storage, and privacy-preserving technologies in backend services Collaborate with security teams on threat modelling and vulnerability assessments Stay current with identity verification regulations and industry standards Collaboration & Innovation Work closely with product managers to translate business requirements into robust backend technical solutions Collaborate with ML/AI teams on improving verification accuracy and fraud detection through backend service integration Participate in on-call rotations and backend incident response procedures Contribute to technical roadmap planning and backend technology evaluation Our Tech Stack Languages: Go · Python · Node.js Infrastructure: Google Cloud · Docker · Kubernetes · Rancher · Jenkins CI/CD Edge & CDN: Cloudflare Observability: Grafana · Metabase AI/ML: Anthropic Claude · Google Gemma · Cursor / Warp Equal opportunity declaration: Verifymy is an equal opportunity employer and is committed to providing a workplace that is free from discrimination and harassment. We celebrate diversity and are dedicated to creating an inclusive environment for all employees. Qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or any other protected characteristic under applicable law.