Cybersecurity Company - Senior Backend Engineer (San Juan)
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- San Juan
- Permanente
- Tiempo completo
- Own services from design to production: schema design, implementation, testing, observability, and performance tuning.
- Work with large-scale event and metadata pipelines to correlate predictions, infrastructure, and customer telemetry.
- Collaborate with data/ML, threat research, and product to turn models and research into reliable, production-ready services.
- Improve reliability and scalability of existing systems through refactoring, better architecture, and sensible abstractions.
- Help define and enforce engineering best practices: code quality, testing, reviews, observability, and incident response.
- Mentor other engineers through pairing, design reviews, and clear technical documentation.Required Skills & Experience\n- 5+ years of experience building and maintaining production-grade backend systems.
- Proficient in modern backend languages and frameworks such as Python (FastAPI), Go, or Node.js, with strong SQL expertise using PostgreSQL, Redshift, or Aurora/MySQL.
- Skilled in data modeling for both OLTP (transactional) and OLAP (analytical) workloads; experienced with ORM frameworks like SQLAlchemy.
- Proven ability to design efficient ETL/data pipelines, optimize queries and indexing, and reason about scalability, performance, and reliability.
- Experienced in designing RESTful APIs, integrating with third-party services, and maintaining high-throughput transactional systems.
- Strong understanding of distributed systems fundamentals—including concurrency, fault isolation, and monitoring.
- Familiar with containers, CI/CD pipelines, and operating services in cloud environments.
- Security-focused engineer with expertise in authentication, authorization, least privilege principles, and secure data handling.
- Excellent debugging and troubleshooting skills across distributed services, databases, and data workflows.Nice to have\n- Experience in cybersecurity, threat intelligence, or security analytics products.
- Experience working with event streams, queues, or time-series data (Kafka, Kinesis, Pub/Sub, etc.).
- Familiarity with ML-driven or data-intensive products and collaborating with data/ML teams.
- Background in building internal platforms, SDKs, or developer-facing APIs.Preferred Qualifications\n- Exposure to machine learning workflows and integrating models into backend services or data pipelines.
- Hands-on experience with data warehousing best practices in AWS Redshift.
- Understanding of serverless and cloud-native architectures on AWS.
- Experience working with large-scale, distributed backend systems.Interview Process\n- Silver Screening interview.
- Silver Technical Interview.
- Client Behavioral Interview.
- Client Technical Interview.
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