Sr./Staff Backend Engineer

Join to apply for the Sr./Staff Backend Engineer - Java role at Oscilar Join to apply for the Sr./Staff Backend Engineer - Java role at Oscilar Shape the future of trust in the age of AIAt 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.Why Join UsMission-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 DescriptionAs 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.ResponsibilitiesDesign 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. RequirementsBachelor'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. BenefitsCompensation: Competitive salary and equity packages, including a 401k Flexibility: Remote-first culture — work from anywhere Health: 100% Employer covered comprehensive health, dental, and vision insurance with a top tier plan for you and your dependents (US and Canada) Balance: Unlimited PTO policy Technical: AI First company; both Co-Founders are engineers at heart; and over 50% of the company is Engineering and Product Culture: Family-Friendly environment; Regular team events and offsites Development: Unparalleled learning and professional development opportunities Gear: Home office setup assistance Impact: Making the internet safer by protecting online transactions If you are passionate about backend development, real-time streaming, and scalable data systems, join us at Oscilar and make an impact. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Technology, Information and Internet Referrals increase your chances of interviewing at Oscilar by 2x Get notified about new Back End Developer jobs in Canada . Full-Stack Software Engineer (New graduates: Canada) Canada CA$80,000.00-CA$120,000.00 4 days ago Kelowna, British Columbia, Canada 1 month ago Backend Developer Intern - Fall 2025 Semester (Sept-Dec, Remote - Canada) Backend/API Engineer, Money as a Service (Canada) Full Stack Software Engineer (Remote Canada) Canada $160,000.00-$170,000.00 2 weeks ago Front End and Full Stack Developer (Remote - Ontario, Canada ONLY) Greater Montreal Metropolitan Area 1 month ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr