Senior Full Stack Engineer, Backend-Focused

Pragmatike

Senior Full Stack Engineer at a YC-backed AI startup developing ambitious products. Building complex backend systems and scalability solutions in fast-paced environments.

Posted 6/6/2026full-timeSan Francisco • California • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

CloudDistributed SystemsTypeScript

About the role

Key responsibilities & impact

Design, build, and maintain scalable backend systems and APIs powering core product functionality.
Develop and ship full-stack features from backend services through to customer-facing interfaces.
Build reliable infrastructure that supports high-performance, real-time applications.
Collaborate closely with engineering, product, and leadership teams to define and deliver new capabilities.
Design systems that scale efficiently as product usage and complexity grow.
Improve platform reliability, observability, monitoring, and operational tooling.
Contribute to architectural decisions and long-term technical strategy.
Optimize performance, security, and developer experience across the platform.
Help establish engineering best practices and contribute to a strong culture of technical excellence.

Requirements

What you’ll need

5+ years of professional software engineering experience.
Strong backend engineering experience building and operating production systems.
Advanced proficiency with TypeScript and modern backend development practices.
Experience building scalable APIs, distributed systems, and cloud-native applications.
Strong understanding of databases, data modeling, and system architecture.
Experience working with real-time systems, event-driven architectures, or asynchronous processing.
Ability to operate independently and thrive in ambiguous environments.
Strong problem-solving skills and systems-thinking mindset.
Excellent communication skills and collaborative approach to engineering.
Nice to Have: Experience with edge computing, serverless architectures, or distributed platforms.
Exposure to AI-powered products, LLM infrastructure, or agent-based systems.
Experience designing highly available systems that support significant scale.
Familiarity with observability, monitoring, tracing, and incident management practices.
Experience in startup or high-growth environments.
Full-stack experience building customer-facing product features.
Experience helping establish engineering standards in early-stage teams.

Benefits

Comp & perks

Relocation Assistance and Visa Sponsorship can be discussed with HR team during the first interview.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

TypeScriptbackend engineeringscalable APIsdistributed systemscloud-native applicationsdatabasesdata modelingsystem architecturereal-time systemsevent-driven architectures

Soft Skills

problem-solvingsystems-thinkingcommunicationcollaborationindependenceadaptabilitytechnical excellenceleadershipengineering best practicesoperational tooling