Senior Software Engineer, Backend

Role Overview

Responsibilities

• Design, build, and maintain scalable backend services, tools, and pipelines supporting mission-critical security systems.
• Collaborate with cross-functional engineering teams to design and implement secure, high-performance services and APIs.
• Develop and maintain backend infrastructure for authentication, authorization, and secure data handling.
• Establish and promote best practices for backend architecture, security, and code quality at scale.
• Build systems that are reliable, observable, and capable of supporting a rapidly growing codebase and engineering team.

Minimum Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field.
• 6+ years of backend software engineering experience, with exposure to security-focused systems such as IAM, API security, or certificate management.
• Strong experience building and operating backend services in cloud environments.
• Proficiency in at least one modern programming language such as Python, Go, Rust, or C++.
• Solid understanding of distributed systems, API design, and backend architecture.
• Experience working in Linux environments, including command line and scripting.

Preferred Skills & Experience

• Experience solving ambiguous, complex backend problems in fast-paced environments.
• Familiarity with DevOps practices and tools such as Docker and Kubernetes.
• Experience designing and scaling APIs and microservices.
• Background in one or more security domains such as cryptography, network security, or infrastructure security.
• Strong communication skills and ability to collaborate across teams.
• Ownership mindset with a bias toward action and continuous improvement.

Additional Requirements

• Ability to travel up to 10% of the time.
• Willingness to work overtime or weekends to support critical mission milestones.
• Ability to lift up to 25lbs unassisted.
• Specific certifications, as appropriate.

Pay Range

• Senior Software Engineer, Backend: $159,000 - $226,000.
• Staff Software Engineer, Backend: $188,600 - $267,000.
• Pay Range: California $159,000-$267,000 USD.
• Vast calibrates level and compensation to the selected candidate's experience and demonstrated capability and welcomes applicants across a range of experience levels.

Compensation And Benefits

• Base salary will vary depending on job-related knowledge, education, skills, experience, business needs, and market demand.
• Full-time employees receive company equity and access to benefits including medical, dental, and vision coverage for employees and dependents.
• Generous paid time off, up to 20+ days of vacation for exempt staff, paid parental leave, short and long-term disability insurance, life insurance, and access to a 401(k) retirement plan.
• ClassPass credits, personalized mental healthcare through Spring Health, and other discounts and perks.
• Exceptional food perks including snacks, drip coffee and onsite barista, cold drinks, and free dinner meals, with lunch subsidized.

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