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Job Description About the Role: Fideo Intelligence transforms massive datasets into real-time fraud-detection insights that protect people and organizations worldwide. As our Senior Platform Engineer, you'll own the end-to-end reliability and performance of Fideo's real-time fraud-detection backbone. You'll spend half your time architecting, securing, and operating our AWS environments, and half your time as a backend engineer building and optimizing microservices. Your work directly impacts our ability to process millions of events per day with sub-100 ms latency, maintain SOC 2 controls, and stay ahead of emerging threats. You'll drive AWS best practices, designing VPCs, IAM policies, networking, and container platforms (EKS/ECS), to ensure high availability and airtight security. You'll lead vulnerability assessments, patch cycles, and compliance initiatives, documenting controls and guiding audits to keep us SOC 2 ready. On the code side, you'll design, implement, and tune Java microservices that power our streaming pipelines and customer-facing APIs. You'll identify hotspots, refactor for scale, and instrument services with metrics, logs, and distributed tracing, turning data into actionable insights on demand. Working on a tight-knit team of five engineers, you'll wear multiple hats: automating CI/CD, defining SLIs/SLOs, responding to incidents, and evolving our observability framework. You'll partner with product, data, and security leads to translate requirements into resilient, high-throughput systems, and mentor peers in both SRE and backend best practices. Ideal Candidate: Our ideal candidate is a hands-on engineer passionate about building reliable systems and thriving in high-performance environments. You are curious, enjoy deep dives into complex problems, and excel at resolving issues in real-time systems. You are fluent in DevOps and AWS, and seamlessly switch between operations and backend development to ensure high system availability. You enjoy working in small, agile teams and wearing many hats to design, build, and operate scalable, resilient infrastructure. Core Responsibilities: Real-Time Pipelines & Streaming Design and optimize low-latency, high-throughput data systems (Kafka, Scylla, MySQL) Maintain and enhance data ingestion/delivery systems Microservices & APIs Develop scalable, fault-tolerant services (Java, predominantly) handling thousands of RPS Profile, refactor, and tune for latency, resource utilization, and scalability Design, document, and conduct disaster recovery testing Cloud, Security & Compliance Architect, deploy, and maintain AWS (ECS, Lambda, VPC, IAM, RDS) with Terraform Lead security initiatives: vulnerability remediation, patch management, least-privilege policies Drive SOC 2 compliance: implement controls, support audits, document processes Reliability & Automation Define SLIs/SLOs; integrate services into observability tools (Prometheus, Grafana, ZenDuty) Build CI/CD pipelines (GitActions, Docker), runbooks, and self-healing mechanisms Diagnose and resolve incidents; conduct blameless postmortems Collaboration & Documentation Partner with product, data, and security teams on architecture and features Mentor peers in SRE and backend best practices Document systems, workflows, and drive process improvements Requirements: 6+ years in real-time systems or platform engineering 3+ years backend development experience in Java, Scala, or Go Expertise with Kafka (or similar), event-driven architectures, and NoSQL (ClickHouse, Scylla, Cassandra) Proficiency with RDBMS (MySQL, PostgreSQL) Deep understanding of networking (DNS, load balancing, latency optimization) Strong AWS cloud experience and deployment skills Experience with CI/CD, Docker, Kubernetes/ECS Infrastructure as code: Terraform or CloudFormation Monitoring tools: Prometheus, Grafana, PagerDuty (or similar) Strong debugging skills for distributed, real-time applications Excellent communication and documentation skills Nice to Have: Experience with ML models and AI Background in fintech or fraud detection About Fideo: Fideo provides crucial intelligence to protect people and organizations. Inspired by Fides Publica, we offer access to billions of signals on people, devices, and behavior, powering real-time verification and fraud protection. We are a fully remote team across select US states: Colorado, Florida, Georgia, Massachusetts, Missouri, New Hampshire, and Texas. Please apply only if you reside in one of these states. Locations and requirements may change. Compensation & Benefits: $140,000 - $165,000 base + bonus + equity 100% covered medical, dental, vision Fully remote with annual in-person team gathering Work-life balance initiatives Monthly home office expense reimbursement Unlimited vacation (VTO) Paid parental leave Bereavement leave Holiday schedule includes the week between Christmas and New Year Prepaid HRA card for medical expenses Employment contingent on background check. Fideo is an Equal Opportunity Employer and does not discriminate based on various protected categories. By applying, you consent to data processing for recruitment purposes. 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