Hex TechnologiesRemote
Software Engineer, Foundations
United States of America
Full-time
2 weeks ago
$215,000 - $270,000 USD
H1B Sponsor Likely
Key skills
Backend architectureAPI designTypescript/Node.jsSQLGraphQLWebSocketsPostgresBackground job systemsCloud infrastructurecommunication skillsCollaborative mindsetMentoringTypeScriptPythonReactNode.jsAWSCommunication
About this role
Hex Technologies is a company that builds application-level infrastructure for their products. They are seeking a Senior Backend Software Engineer to design, maintain, and evolve core systems, focusing on backend architecture and shared infrastructure, including APIs and real-time communication.
Responsibilities:
- 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
- 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