ARCHIVED
This job listing has been archived and is no longer accepting applications.
MisuJob - AI Job Search Platform MisuJob

Sr./Staff Backend Engineer - Java

Oscilar

Brazil Remote permanent

Posted: December 18, 2025

Interested in this position?

Create a free account to apply with AI-powered matching

Quick Summary

We're looking for a Sr./Staff Backend Engineer to join our team, where you'll shape the future of trust in the age of AI.

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.

Job Description

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.

If you are passionate about backend development, real-time streaming, and scalable data systems, join us at Oscilar and make an impact.

#LI-DS1

Why Apply Through MisuJob?

AI-Powered Job Matching: MisuJob uses advanced artificial intelligence to analyze your skills, experience, and career goals. Our matching algorithm compares your profile against thousands of job requirements to find positions where you have the highest chance of success. This saves you hours of manual job searching and ensures you only see relevant opportunities.

One-Click Applications: Once you create your profile, applying to jobs is effortless. Your resume and cover letter are automatically tailored to highlight the most relevant experience for each position. You can apply to multiple jobs in minutes, not hours.

Career Intelligence: Beyond job matching, MisuJob provides valuable career insights. See how your skills compare to market demands, identify skill gaps to address, and understand salary benchmarks for your experience level. Make data-driven decisions about your career path.

Frequently Asked Questions

How do I apply for this position?

Click the "Register to Apply" button above to create a free MisuJob account. Once registered, you can apply with one click and track your application status in your dashboard.

Is MisuJob free for job seekers?

Yes, MisuJob is completely free for job seekers. Create your profile, get matched with jobs, and apply without any cost. We help you find your dream job without any hidden fees.

How does AI matching work?

Our AI analyzes your resume, skills, and experience to understand your professional profile. It then compares this against job requirements using natural language processing to calculate a match percentage. Higher matches mean better fit for the role.

Can I apply to jobs in other countries?

Absolutely. MisuJob features jobs from companies worldwide, including remote positions. Filter by location or look for remote opportunities to find jobs that match your preferences.

Ready to Apply?

Join thousands of job seekers using MisuJob's AI to find and apply to their dream jobs automatically.

Register to Apply