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Senior Backend Software Engineer to help design, maintain, and evolve the core systems used across Hex. This role is centered on backend architecture and shared infrastructure, with responsibility for APIs, realtime communication, data access frameworks, job orchestration, and internal admin tooling.
Job Responsibility:
Design and build backend frameworks and services used across the company
Own and evolve critical shared systems, including APIs, realtime transport, and job orchestration
Improve reliability, performance, observability, and security of foundational backend infrastructure
Partner with product teams to turn recurring needs into shared abstractions
Lead technical design discussions and help set architectural direction
Drive refactors, migrations, and system upgrades that reduce long-term complexity
Improve internal tooling to support debugging, operations, and customer-facing workflows
Mentor other engineers and contribute to strong engineering standards and practices
Requirements:
5+ years of professional software engineering experience with a strong backend focus
Experience working with Typescript/Node.js and SQL
Experience building and maintaining shared backend systems or frameworks used by multiple teams
Strong understanding of API design, distributed systems, and asynchronous workflows
Experience working with relational databases and data modeling at scale
Familiarity with background job systems, queues, or workflow orchestration tools
Comfort operating and evolving production systems over time
Experience with cloud infrastructure (AWS preferred)
Strong communication skills and a collaborative, leverage-oriented mindset
Nice to have:
Experience with Python
Hands-on experience with GraphQL, WebSockets, BullMQ, or Temporal
Familiarity with observability tooling (metrics, tracing, logging)
Background in data platforms, developer tools, or collaborative systems
Experience with frontend technologies (e.g. React, TypeScript) for end-to-end context
Open-source contributions, especially in backend or infrastructure projects
What we offer:
competitive total rewards package, including but not limited to, market-benched salary & equity, comprehensive health benefits, and flexible paid time off