Sr./Staff Backend Engineer - Java (Poland)
Senior/Staff backend engineer designing and running scalable, low-latency Java services on AWS for Oscilar's AI risk-decisioning SaaS platform, which helps banks and fintechs manage fraud, credit, and compliance risk. Remote role based in Poland; stack includes microservices, Docker/Kubernetes, Kafka, and Clickhouse.
- Compensation
- Not disclosed
- Location
- Poland
- Work setup
- Remote
- Seniority
- Staff
- Employment
- Not specified
- Experience
- 5+ years
- Category
- Backend
- Posted
Skills
Must have
- Bachelor's or Master's degree in Computer Science, Software Engineering, or related field
- 5+ years of backend software development experience, focused on Java and AWS
- Strong experience building and operating low-latency, high-scale services in a distributed environment
- Proficient in Java programming with deep understanding of its ecosystem and related frameworks
- Knowledge of microservices architecture, containerization (Docker, Kubernetes), and distributed data systems (Kafka, Clickhouse)
- Familiarity with RESTful API design and 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 ability to work independently or as part of a team
- Strong written and verbal communication skills
Full 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.