Full Stack Software Developer

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Halborn IncCybersecurity, blockchain

Source API remote eligibility restrictions: United States, Own outcomes across time zonesFull-TimeMiddle

Salary not disclosed

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Job Details

Experience: 4 or more years building and shipping production web applications
Required Skills: DockerGraphQLNode.jsPostgreSQLPythonTypeScriptReactCI/CDRESTful APIs

Have 4 or more years of experience building and shipping production web applications, with ownership across both front end and back end.
Have strong React and TypeScript skills, including modern state management and component architecture.
Be able to build interfaces using CSS without relying on a designer.
Have strong server-side skills in Python, Node.js, or both.
Have production experience designing REST or GraphQL APIs.
Have relational database experience, including schema design, query performance, and migrations; PostgreSQL is preferred.
Have experience with AWS, GCP, or Azure, Docker, and CI/CD pipelines configured by you.
Integrate LLM APIs into real products and use AI coding assistants in daily development.
Understand common web vulnerability classes and how to prevent them.
Communicate effectively in asynchronous writing and self-direct work across time zones.
Be comfortable working in ambiguity and willing to learn the technical aspects of blockchain and cybersecurity.

Design, build, and ship end-to-end features across React and TypeScript front ends and Python or Node.js services, from technical design through production support.
Model data and design APIs with clear contracts, migrations, and adaptable schemas.
Build AI-native capabilities, including LLM orchestration, agentic workflows, retrieval over engagement data, and structured outputs.
Use AI coding tools in development while reviewing generated code carefully.
Automate internal engineering and security workflows currently handled manually by researchers.
Write secure code, covering input validation, authentication and authorization, secrets handling, and dependency hygiene.
Participate in code reviews as an author and reviewer.
Deploy and operate containerized services, cloud infrastructure, CI/CD pipelines, and monitoring, including production on-call ownership.
Work with security researchers, auditors, and product stakeholders to turn domain expertise into usable software.
Contribute to technical direction and document architectural and framework decisions.

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