--- title: 'Sr./Staff Backend Engineer - Java at Oscilar' canonical: 'https://feeny.ai/job/sr-staff-backend-engineer-java-oscilar-brazil-6rhn7bp848vm' type: 'job' last_seen: '2026-09-09' --- # Sr./Staff Backend Engineer - Java at Oscilar - **Company:** Oscilar - **Location:** Brazil - **Employment:** full-time - **Work type:** remote - **Posted:** 2025-12-18 - **Last confirmed live:** 2026-09-09 - **Apply:** https://jobs.ashbyhq.com/oscilar/719ba819-a9fb-4bee-a75d-96c6bca5b9c2 ## 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. ## ABOUT THE ROLE As a Backend Engineer at Oscilar, you will be responsible for designing, building, and maintaining the core infrastructure that powers our SaaS platform. You will collaborate closely with cross-functional teams, ensuring the delivery of highly reliable, low latency, and scalable services that meet the needs of our global enterprise clients. ## RESPONSIBILITIES - Design and develop scalable, high-performance, low-latency backend services using Java and AWS technologies. - Collaborate with the product management, frontend, and QA teams to define technical requirements and ensure smooth integration with other components of the platform. - Optimize and enhance existing services to achieve maximum performance, reliability, and maintainability. - Identify and resolve bottlenecks in the system, ensuring optimal resource utilization and system stability - Implement best practices for code quality, testing, and deployment, including continuous integration and continuous deployment (CI/CD) pipelines. - Proactively monitor the health and performance of backend services, taking necessary actions to mitigate potential issues. - Provide technical guidance and mentorship to junior team members. ## REQUIREMENTS - Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field. - 5+ years of experience in backend software development, with a focus on Java and AWS technologies. - Strong experience in building and operating low latency, high scale services in a distributed environment. - Proficient in Java programming, with a deep understanding of its ecosystem and related frameworks. - Knowledge of microservices architecture, containerization technologies (Docker, Kubernetes), and distributed data systems (Kafka, Clickhouse). - Familiarity with RESTful API design, and a strong understanding of security best practices. - Experience with CI/CD tools (Jenkins, Git, Maven, Gradle) and agile development methodologies. - Excellent problem-solving skills, attention to detail, and a strong ability to work independently or as part of a team. - Strong communication skills, both written and verbal. ## 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)