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Team Lead Backend Engineer — Sensor
About the team
Orca Security is a cybersecurity startup and cloud innovation leader. Founded in 2019 in Israel by former Check Point managers, it raised $630+ million and became a 'unicorn' in 2021.
Orca is delivering a modern cloud security platform built for engineers who care about visibility, context, and speed. We scan your entire cloud environment – across AWS, Azure, GCP, Kubernetes, and more – giving you deep insights into risks like misconfigurations, vulnerabilities, and active threats. Our unified platform shows you what actually matters by prioritizing findings based on context like exposure, privilege, and potential impact.
Cloud teams love Orca because it’s fast to deploy, easy to maintain, and built to scale with the way real infrastructure works.
About the role
We're the team building Orca Sensor – a lightweight runtime component that brings deep visibility and protection to cloud workloads running on Kubernetes, serverless engines and virtual machines.
You'll work on a scalable, low-overhead system that collects and processes real-time telemetry to detect threats and anomalies across all sorts of modern cloud environments.
Our mission is to make cloud security smarter, faster, and easier to deploy – without the burden of traditional agents. If you enjoy solving performance and reliability challenges in modern cloud infrastructure, you’ll feel right at home here.
While we're based in Warsaw and prefer local candidates, we're open to remote collaboration from anywhere in Poland for the right fit.
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Responsibilities
- Own and drive the architecture, implementation, operation and maintenance of the entire Cloud Detection and Response product offering, including breach detection, anomaly detection and forensics
- Ensure the reliability, performance, and scalability of our infrastructure, making data-driven improvements
- Develop and optimize real-time and batch processing pipelines for API log ingestion and analysis
- Implement and enhance observability using metrics, logging, and tracing to monitor service health and performance
- Work closely with product management and research teams to align technical decisions with business needs
- Design and implement storage solutions optimized for different types of data (structured, semi-structured, unstructured)
- Mentor more junior colleagues and foster a strong engineering culture
- Oversee team ceremonies and manage team deliveries
- Manage team performance and employee wellbeing (up to 5 people)
- Lead communication with stakeholders (product management, technical support, sales) representing the team
Tech stack
- Programming Languages: Python, Go
- Frameworks: Django, FastAPI
- Messaging & Streaming: Kafka, SQS
- Infrastructure & Orchestration: Kubernetes, Docker
- Databases: PostgreSQL, SingleStore, Elasticsearch
- Monitoring & Observability: Grafana, Prometheus
- Version Control & CI/CD: GitHub
- Cloud infrastructure: AWS, GCP, Azure
- Analytics engines: Apache Spark
- Workflow management: Apache Airflow
Qualifications
- 5+ years of experience in software engineering with a focus on backend, distributed systems, or real-time data processing.
- Strong expertise in building scalable and performant services.
- Experience designing and deploying real-time data pipelines using Kafka or similar technologies.
- Deep understanding of cloud infrastructure, preferably AWS, and containerized deployments using Kubernetes.
- Proficiency in working with databases (PostgreSQL, Elasticsearch, or similar) and optimizing data storage for high-scale environments.
- Experience in building fault-tolerant, high-availability systems.
- Strong problem-solving skills and a mindset for automation and efficiency.
- Excellent communication skills and the ability to work in cross-functional teams.
- Nice to have experience with Apache Spark & Apache Airflow
Bonus points
- Comfortable working with Python when necessary (not a core skill, but a definite advantage)
- Experience with real-time security and anomaly or threat detection systems.
- Familiarity with batch and stream processing frameworks.
- Prior work in high-scale, multi-tenant SaaS environments.
- Contributions to open-source projects related to real-time data processing.
Benefits
- Work in a highly professional team. Informal and friendly atmosphere in the team
- Paid vacation — 20 business days per year, 100% sick leave payment
- Equipment provision
- Partially compensated educational costs (for courses, certifications, professional events, etc.)
- Legal and Accounting support in Poland
- Ability to work from our comfortable office in Warsaw at Prosta 51
- 5 sick days per year
- Medical insurance (after the end of the probationary period)
- Flexible working hours – we care about you (!) and your output
- English and Polish classes 2 times a week (online)
- Bright and memorable corporate life: corporate parties, gifts to employees on significant dates
Join us
If you'd like to work from Poland, having Polish citizenship, karta pobytu, or D-type work visa for Poland is obligatory to be considered for this position. Thank you!
Contribute to our growth
Know someone perfect for this role? Let us know about them. We have a referral program to recognize your support.
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