Senior Backend Infrastructure EngineerWoz • San Francisco, California, United States

Senior Backend Infrastructure Engineer

Woz • San Francisco, California, United States

30+ days ago

Job type

Full-time

Job description

About the role

We are looking for an Infrastructure Software Engineer with 5+ years of experience to help design, build, and scale the systems that power our platform. This role is ideal for someone who thrives in fast-paced environments, enjoys building reliable infrastructure from the ground up, and takes full ownership of the software lifecycle from design and deployment to monitoring and optimization.
You will focus on backend services , data models , APIs , and cloud infrastructure , ensuring our systems are secure, scalable, and observable. You’ll play a key role in shaping how code moves from development to production, improving deployment workflows, and building the tooling that keeps our platform fast and dependable.

Responsibilities

Develop and Maintain Scalable Applications : Design, build, and maintain robust web applications using modern front-end and back-end technologies.

Architect Scalable Solutions : Contribute to the system architecture and make high-level design decisions.

Architect Modular Infrastructure : Write code in an extremely modular way to all for reuse and scalable maintenance across multiple implementations.

Collaborate Cross-Functionally : Work closely with product managers, designers, and other engineers to define, develop, and launch new features.

Optimize Performance : Ensure applications are efficient, secure, and performant at scale.

Stay Ahead of Trends : Continuously research and implement the latest industry best practices, tools, and technologies .

Mentor & Guide : Provide technical guidance and mentorship to junior engineers.

Requirements

Education : Degree in Computer Science, Software Engineering, or a related field.

Experience : 5+ years of hands-on experience in full-stack development.

Backend & Cloud Engineering :

Deep expertise with Node.js , TypeScript , and API design (RESTful & serverless).

Strong experience architecting and deploying production systems on AWS (ECS, Lambda, CloudWatch, Route53, etc.).

Proficiency with Docker containerization and infrastructure-as-code tools such as AWS CDK or CloudFormation .

Strong understanding of Linux , shell scripting , and core networking concepts (DNS, VPC, load balancing, etc.).

DevOps & CI / CD : Deep experience with Docker, GitHub, and CI / CD pipelines . Experience with deployment workflows, environment provisioning, and observability tooling.

Database Knowledge : Experience with PostgreSQL, Supabase, and other databases .

Bonus Skills

Experience with serverless or event-driven architectures.

Familiarity with AI / ML infrastructure or integrating LLMs in backend systems.

Background building SaaS platforms with multi-tenant or microservice architectures.

Exposure to monitoring, alerting , and performance tuning of distributed systems.

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Senior Engineer Infrastructure • San Francisco, California, United States

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