Synced from Ashby · Dec 18

Sr./Staff Backend Engineer - Java

Oscilar.comBrazil - RemotePosted Dec 18, 2025
Backend EngineerRemoteSenior
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Mirrored from Oscilar.com's own Ashby careers system · refreshed hourly

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Dec 18
Posted
Ashby
Applicant system
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.

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.

View original posting on Ashby

What applying to Oscilar.com usually looks like

Based on publicly available information, candidates applying through Ashby can typically expect a streamlined online application process, often starting with a form requesting a resume and basic details, sometimes followed by role-specific questions. Oscilar's listings span technical, go-to-market, and operational functions, so the process may vary somewhat by department, but commonly includes an initial recruiter or hiring manager screen followed by additional interview stages that may include technical assessments, case studies, or panel discussions depending on the role. Communication is generally handled through automated status updates within the platform, though response times vary. Candidates can generally expect the process to be organized and transparent, with Ashby's interface often allowing applicants to track their application status. As with most ATS-driven processes, preparation and prompt follow-up are advisable.

Based on publicly available information. LandEarly does not verify interview process details.

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Sr./Staff Backend Engineer - Java
Oscilar.com · Brazil - Remote
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