oscilar - Sr./Staff Backend Engineer - Java (Poland)
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.
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.
Benefits
• 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. • Compensation: 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) • 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 • 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.
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