Senior Fullstack Engineer, Customer Context

Posted 5 hours ago

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About the role

  • Senior Fullstack Engineer building scalable APIs, distributed systems, and AI workflows for Postscript’s Shopify messaging platform. Driving reliable, data-intensive infrastructure for e-commerce revenue growth.

Responsibilities

  • Take ownership of systems and product areas and become the go-to technical expert
  • Investigate, design, and execute solutions across distributed systems
  • Architect, build, and maintain highly available, scalable REST APIs and backend services
  • Drive system decoupling, modularization, and technical debt reduction
  • Build agentically using concurrent autonomous agent workflows and own the output
  • Stay current with emerging AI tooling and practices and share techniques with the team
  • Help shape how AI is integrated into engineering systems and workflows
  • Collaborate with product, data, and go-to-market teams in an async-first environment
  • Identify and eliminate single points of failure and improve system resilience and knowledge redundancy
  • Improve engineering workflows through better tools and internal utilities

Requirements

  • 6+ years of experience building large-scale data-intensive backend systems and APIs
  • Active, daily use of AI coding tools such as Claude Code, Codex, Cursor, Copilot, or equivalent
  • Proficiency in some or all of Python, Go, Rust, React, and TypeScript
  • Close following of AI tooling landscape, model releases, agentic workflows, and best practices
  • Ability to critically evaluate AI output, identify risks, and verify results
  • Ability to context switch quickly across concurrent workstreams
  • Experience with 0-to-1 initiatives and complex existing systems
  • Working knowledge of event-driven distributed systems and Kafka
  • Familiarity with distributed data processing technologies such as Flink or Spark
  • Experience growing systems under production customer load, ideally to multi-terabyte scale
  • Experience designing high-scale systems on AWS with RDBMS, OLAP, NoSQL, and other database technologies
  • Knowledge of relational data modeling, index strategies, and performant SQL for transactional and analytical workloads
  • Experience with infrastructure as code such as Terraform
  • Familiarity building and observing applications on AWS and Kubernetes, ideally with Datadog, Signoz, or comparable observability tooling
  • Clear, direct communication and proactive information sharing in cross-functional and async teams
  • Strong technical tradeoff judgment informed by engineering best practices and business priorities

Benefits

  • Significant equity
  • High growth startup with opportunity to directly impact the company and grow your career
  • Work from home (or wherever in US / Canada)
  • Competitive compensation and opportunity for equity
  • Flexible paid time off
  • Health, dental, vision insurance

Job type

Full Time

Experience level

Senior

Salary

$175,000 - $205,000 per year

Degree requirement

No Education Requirement

Tech skills

AWSDistributed SystemsKafkaKubernetesNoSQLPythonRDBMSReactRustSparkSQLTerraformTypeScriptGo

Location requirements

RemoteUnited States

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