Principal Backend Engineer

3 days ago

Carlsbad, CA, United States Hanwha Techwin America Full time

Principal SaaS Backend Engineer

Location: Carlsbad, CA

Hanwha Vision America (HVA), formerly known as Hanwha Techwin, is an affiliate of the Hanwha Group, a Fortune Global 500 company. HVA is an industry-leading provider of advanced network video surveillance products, including IP cameras, storage devices, and video management systems founded on world-class technologies. We offer end-to-end security solutions and have achieved global success across a wide range of industry verticals including retail, transportation, education, banking, healthcare, hospitality and airports.

Hanwha Vision America is seeking a highly experienced and visionary Principal Software Engineer to join our core platform team. With 15-20 years of deep technical expertise, you will play a critical role in designing, architecting, implementing and maintaining of our next generation real-time video management and physical security services and IoT SaaS platform. You will be a technical leader, responsible for driving architectural decisions, ensuring scalability and security, mentoring other engineers, and tackling our most complex engineering challenges. Your experience in large-scale distributed systems, real-time communication, cloud-native architectures (especially AWS), and cybersecurity best practices will be paramount. This role requires collaboration with the company's presence across various global teams (US East, US West, South Korea, India) to align with the Product Management and Product Engineering Processes.

Cloud Expertise
Leverage deep knowledge of AWS managed services to build robust, cost-effective, and scalable solutions. Optimize cloud resource utilization and architecture.

Database Strategy
Design and optimize data models for both SQL and NoSQL databases, ensuring data integrity, performance, and scalability for large datasets.

Security Focus
Champion and implement cybersecurity best practices based on OWASP Top 10 guidelines. Analyze results from source control analysis and penetration testing, integrating security into the design lifecycle.

Protocol Implementation
Design, implement, and troubleshoot systems utilizing communication protocols like HTTPS, MQTT, WebSocket, and WebRTC channels.

Best Practices & Quality
Establish and enforce high standards for software development, including the use of design patterns, comprehensive design documentation, rigorous unit testing, and thorough code reviews.

Collaboration
Work closely with product managers, DevOps, QA, and other engineering teams to deliver high-quality features and systems in Korea, India and US (California, New Jersey).

REQUIRED QUALIFICATIONS:

  • Bachelor's or Master's degree in Computer Science, Engineering, or a related field (or equivalent practical experience).
  • 15-20+ years of professional software engineering experience, building and operating commercial, large-scale, distributed systems.
  • Proven track record designing and developing real-time systems, specifically within video management services and/or IoT platforms within a SaaS model.
  • Expertise in designing scalable, responsive architectures, including microservices, client-server patterns, and concurrent design.
  • Extensive experience utilizing AWS managed services for building and deploying cloud-native applications.
  • Strong proficiency in Java programming and relevant scripting languages (e.g., Python, Bash).
  • Deep understanding and practical experience with both SQL and NoSQL database technologies, including database modeling and optimization of DynamoDB and RDS/Aurora
  • Deep understanding and practical experience with caching technologies including Redis
  • Deep understanding and practical experience with streaming data pipeline framework including Kafka and Elasticsearch or OpenSearch.
  • In-depth knowledge of cybersecurity principles, OWASP Top 10 vulnerabilities, and experience applying security best practices throughout the development lifecycle. Experience with source control analysis and interpreting penetration testing reports.
  • Hands-on experience implementing and working with communication protocols such as HTTPS, MQTT, WebSocket, and WebRTC, as well as integrating caching solutions like Redis and building streaming data pipelines using Kafka.
  • Expertise in designing scalable and secure RESTful APIs, including API versioning, documentation (OpenAPI/Swagger), and best practices for backward compatibility.
  • Mastery of software engineering best practices: design patterns, multithreading, comprehensive design documentation, unit testing frameworks, code review processes.
  • Demonstrated leadership experience, including leading complex software projects and mentoring engineers.
  • Excellent problem-solving and communication skills.
PREFERRED QUALIFICATIONS:
  • Familiarity with video streaming protocols such as RTSP, WebRTC, and Low-Latency HLS.
  • AWS Certifications (e.g., Solutions Architect Professional, DevOps Engineer Professional).
  • Experience with containerization technologies (Docker, Kubernetes).
  • Experience with CI/CD pipelines and infrastructure-as-code (IaC) tools.

Hanwha Vision America provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

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