--- title: 'Sr./Staff Security Engineer at Oscilar' canonical: 'https://feeny.ai/job/sr-staff-security-engineer-oscilar-brazil-8ec63j4bbtbx' type: 'job' last_seen: '2026-09-09' --- # Sr./Staff Security Engineer at Oscilar - **Company:** Oscilar - **Location:** Brazil - **Employment:** full-time - **Work type:** remote - **Posted:** 2026-05-15 - **Last confirmed live:** 2026-09-09 - **Apply:** https://jobs.ashbyhq.com/oscilar/5313860b-ab90-4f5f-97f6-23d3349d4fe3 ## Job description Shape the future of trust in the age of AI At Oscilar, we're building the most advanced AI Risk Decisioning™ Platform. Banks, fintechs, and digitally native organizations rely on us to manage their fraud, credit, and compliance risk with the power of AI. If you're passionate about solving complex problems and making the internet safer for everyone, this is your place https://oscilar.com/careers. ## WHY JOIN US: - Mission-driven teams: Work alongside industry veterans from Meta, Uber, Citi, and Confluent, all united by a shared goal to make the digital world safer. - Ownership and impact: We believe in extreme ownership. You'll be empowered to take responsibility, move fast, and make decisions that drive our mission forward. - Innovate at the cutting edge: Your work will shape how modern finance detects fraud and manages risk. ## JOB DESCRIPTION This is our first dedicated security engineering hire. Your center of gravity is product and application security. You'll partner with the Infra team, which owns cloud and infrastructure security, and help shape LLM/agent security as we scale the function. ## What You'll Do - Own threat modeling across our core platform APIs, risk decisioning and event-ingestion systems, and agentic AI products; harden multi-tenant isolation and data-handling across designs and PRs. - Design, implement, and deploy authentication, authorization (user and API), and RBAC across our platform: own and propose new approaches as we scale - Stand up our AppSec program from the ground up: SAST (Semgrep), SCA (Dependabot/Snyk), secret scanning, and container scanning - Build guardrails around LLM usage — prompt-injection defenses, output validation, and cost and abuse monitoring on Bedrock/Anthropic/OpenAI calls - Drive security incident process, vulnerability triage, and the responsible-disclosure workflow - Write SECURITY.md, maintain a threat registry, and champion secure-by-default patterns across the engineering org - Partner with IT on shared areas — incident response across corporate and product, access reviews, and audit evidence collection - Collaborate with product and engineering teams on feature design, embedding security early rather than gating at the end - Keep us aligned with current security standards and trends (OWASP, MITRE ATT&CK, and emerging LLM/agent security guidance) You Might Be a Fit If You Have - Strong software engineering fundamentals — 5+ years building software, with the last 3+ focused on application or product security, ideally at a fintech or data-heavy SaaS company - Strong hands-on Java, Python, or Go code review skills — you're comfortable in a PR, not just in a report - Experience with SSO, SAML, OAuth 2.0, JWT, mTLS, and JOSE; multi-tenant authZ; PII handling/tokenization ## Nice to Have - Familiarity with AWS security primitives (IAM, KMS, Secrets Manager, VPC) and Kubernetes - Experience providing technical evidence and controls for SOC 2 / PCI / ISO 27001 audits - Prior experience building or tuning SAST rules (Semgrep, CodeQL) - OSCP, CISSP, or a meaningful bug-bounty track record ## BENEFITS - Compensation: Candidates are hired as CLT and are offered competitive salary - Stock Options: Candidates will receive stock options - Benefits: 100% of your Medical/Dental (Care Plus) for you and your dependents; 100% Life / LTD (Prudential) - Caju Card: We offer a Caju Card for monthly meal allowance - Flexibility: Remote first culture. - Culture: Family-Friendly environment; Regular team events and offsites. - Development: Unparalleled learning and professional development opportunities. - Impact: Making the internet safer by protecting online transactions. ## About Oscilar ## Company Overview - **One-liner**: Oscilar provides an AI-native risk decisioning platform that uses agentic AI to help financial institutions manage fraud, credit, onboarding, and AML compliance in real time. - **Entity Type**: Private (startup stage; funding rounds not publicly disclosed) - **Headquarters**: Palo Alto, California, USA - **Founded**: 2021 - **Founders**: Neha Narkhede (CEO) and Sachin Kulkarni (CTO) ## Core Business - **Primary industry**: Financial technology (fintech) / Risk management / AI - **Target customers**: Banks, fintechs, credit unions, and digital organizations (B2B, enterprise) - **Mission**: “Making the internet a safer place for everyone” — empowering businesses to master risk, defeat fraud, and safeguard consumers in the era of AI. ## Products & Services - **Oscilar AI Risk Decisioning Platform**: A unified, cloud-native platform that leverages agentic AI for detection, decisioning, and resolution across fraud, credit, AML, and onboarding. It processes over 30 billion decisions per year at peak throughput of 120,000+ requests per second with sub-100ms latency. Key components include: - **Agent Hub**: A coordinated suite of AI agents (e.g., Workflows, RuleRec, Credit Explainability, Analytics, TestGen, Fraud Disputes, AML L1, SAR, Narratives, Translator, Sanctions, PEP, CTR) trained on each customer’s SOPs and risk context. Agents define policies, score alerts, generate investigation narratives, and learn from analyst feedback. - **No-code policy engine**: Risk teams can define and deploy new policies in plain language without SQL or engineering support. - **Holistic risk dashboard**: Monitors the entire customer journey — onboarding, login, payments, compliance — in one place. - **Explainable decisions & full auditability**: Every decision is transparent and defensible for regulatory scrutiny. ## Market Standing - **Valuation/Market Cap**: Not disclosed (private company) - **Key Metric**: Processes 30B+ decisions per year; 120K+ requests per second; average latency <100ms. Employee count: ~104 (per Built In). - **Notable Investors/Partners**: Not publicly listed from available sources. Advisors include Xin Ge (ex-CPO at Feedzai), Kevin Moss (ex-Chief Risk Officer at SoFi), Tomas Lobo (ex-Chief Technology & Risk Officer at Afterpay), and Rob Frohwein (co-founder of Kabbage, acquired by American Express). - **Growth Signals**: Founded by Neha Narkhede (creator of Apache Kafka and co-founder of Confluent, NASDAQ: CFLT). Team built on deep risk experience from Meta, Uber, LinkedIn, Citi, and JPMorganChase. Currently hiring across multiple roles (33 jobs listed on Built In), indicating scaling. Remote-first culture supporting global talent acquisition. ## Competitive Advantages - **Agentic AI tuned to customer data**: Models are trained on each institution’s own SOPs and risk patterns, retraining in days when patterns shift — not generic benchmarks. - **Unified platform**: Covers fraud, credit, compliance, and AML in a single system, providing a holistic risk picture that competitors often address with siloed tools. - **Low-latency, high-throughput architecture**: Proven at 120K+ req/s with sub-100ms latency, built by engineers who scaled 10-billion-requests-per-second systems at Meta. - **Explainability & audit trails**: Full decision transparency for regulatory compliance, a critical differentiator for financial clients. - **Feedback loop**: Analyst feedback continuously refines agent recommendations, improving over time. ## Strategic Focus - **Deepen the Agent Hub**: Continue building and refining specialized AI agents for every risk decision type (fraud, AML, credit, sanctions, etc.). - **Expand customer base**: Target more banks, fintechs, and digital organizations globally, with recent hires in sales and customer support (including Philippines office). - **Maintain remote-first culture while scaling**: Leverage distributed talent to grow efficiently. - **Invest in ML and generative AI**: Use cutting-edge tools to stay ahead of evolving fraud and compliance threats. ## Why Work Here - **Remote-first culture**: Work from anywhere; company provides home office setup assistance. - **Cutting-edge technology**: Opportunity to work on AI/ML at scale, tackling complex fraud and financial crime problems. - **Elite team**: Collaborate with experts from Meta, Google, Uber, LinkedIn, Confluent, Citi, and JPMorganChase. - **Values-driven**: Customer obsession, radical ownership, efficient growth, one team, bold vision with clear eyes. - **Benefits**: Competitive salary and equity, unlimited PTO, comprehensive health/dental/vision insurance, regular team events and offsites, professional development opportunities. - **Mission**: Direct impact on making the internet safer for legitimate customers and enabling financial institutions to grow confidently. ## Sources 1. [oscilar.com](https://oscilar.com) — Product overview, platform features, metrics 2. [oscilar.com/about-us](https://oscilar.com/about-us) — Leadership team, advisors, company origins 3. [oscilar.com/careers](https://oscilar.com/careers) — Culture, values, benefits, remote-first policy 4. [builtin.com](https://builtin.com/company/oscilar) — Employee count, year founded, job listings ## Other roles at Oscilar - [Product Partnerships Lead](https://feeny.ai/job/product-partnerships-lead-oscilar-remote-pmd7hb5x0zcd) - [Staff Data Scientist](https://feeny.ai/job/staff-data-scientist-oscilar-remote-9wbyza65v3z4) - [Director of Partnerships](https://feeny.ai/job/director-of-partnerships-oscilar-remote-vzq5tex88pvm) - [Growth Manager, International (LATAM & EMEA)](https://feeny.ai/job/growth-manager-international-latam-emea-oscilar-remote-s285508ffhz4) - [Staff Software Engineer - Analytics & Data Architecture](https://feeny.ai/job/staff-software-engineer-analytics-data-architecture-oscilar-canada-hsw3w0nswasm) — Canada - [Sr. Manager/Director, Brand Marketing](https://feeny.ai/job/sr-manager-director-brand-marketing-oscilar-remote-mecdvngwjjj8) - [Enterprise Account Executive (West)](https://feeny.ai/job/enterprise-account-executive-west-oscilar-remote-5n59knqjjg9j) - [Business Development Representative](https://feeny.ai/job/business-development-representative-oscilar-oscilar-heretx0sdt6p) — Oscilar, NY - [Growth Manager, International (LATAM & EMEA)](https://feeny.ai/job/growth-manager-international-latam-emea-oscilar-united-kingdom-f7am27fqyccj) — United Kingdom - [Growth Manager, Outbound](https://feeny.ai/job/growth-manager-outbound-oscilar-remote-em7y1ptb55f9)