Senior Frontend Engineer

Senior Frontend Engineer (PKI/Certificates) Join us at Red Sift as a Senior Frontend Engineer to help build secure, scalable certificates management solutions that protect organizations worldwide. About Us Red Sift is a global Digital Resilience Platform that secures organizations against evolving cyber threats by providing discovery, monitoring, and remediation across email, domains, brands, and network perimeter. We partner with giants like Entrust, Microsoft, and Validity, and are pioneers in AI‑driven cybersecurity. About the Team Our PKI & PQC certificates team is a cross‑functional squad of Product, Backend, Frontend, Security, and SRE/DevOps. We own design, implementation, testing, and end‑to‑end production for a data‑driven platform with a focus on innovation, automation, and reliability. About the Role We’re looking for a seasoned Software Engineer focused on product and user experience. The ideal candidate is skilled in delivering simple, maintainable code and is comfortable handling full‑stack responsibilities with a backend bias. As part of our flagship cybersecurity product, you will design and build intuitive frontend interfaces backed by scalable, performant backend services. You’ll have autonomy, drive impact, and grow your expertise in PKI, PQC, and emerging cloud technologies. Key Responsibilities Build and maintain end‑to‑end features across the platform, writing optimized TypeScript/React code. Collaborate with backend engineers to design API contracts and support performant data pipelines. Write unit and integration tests, manage NoSQL data stores, and ensure code quality. Participate in architecture reviews, performance tuning, and security assessments. Integrate AI tools and services to enhance user experience. Mentor peers and contribute to an inclusive team culture. Qualifications & Skills Proven experience with JavaScript/TypeScript, React, and Node.js. Strong understanding of cloud computing, microservices, and event‑driven architecture. Experience with containerization (Docker) and orchestration (Kubernetes). Hands‑on knowledge of NoSQL databases (Elasticsearch, MongoDB) and Git workflow. Familiarity with testing frameworks (Jest, etc.) and observability practices. Comfortable learning new languages (Java, Go, or others). Passion for AI integration. Excellent communication, problem‑solving, and customer‑centric mindset. Values: Responsiveness, Empowerment, Diversity, Social Responsibility, Innovation, Fairness, Trust. Enjoy rolling up sleeves to tackle technical debt and bugs. Technical Stack Backend *: Java, Node.js/TypeScript, Golang; messaging with NATS, search with Elastic Stack; data in NoSQL and BigQuery. Frontend *: TypeScript/JavaScript with React. Tools & DevOps *: CircleCI, Jest, GCP, AWS, GitHub; SiftOS & Sift engineering practices. Location & Work Arrangement Barcelona, Madrid or London are preferred, with full‑remote options for teams in compatible time zones. Benefits Competitive base salary, performance bonus, equity plan, and pension scheme. Full remote work with optional office visits. 25 days paid vacation plus public holidays. Birthday day off. Training budget. Health insurance for you and family. Paid maternity/paternity leave. Gym membership and Cycle‑to‑Work scheme. Volunteer day per year. Seniority & Employment Mid‑Senior level; Full‑time; Engineering & Information Technology; Software Development. #J-18808-Ljbffr