Full Stack Software Developer

Halborn
Miami
Workplace: OnsiteFull timeFunction: Software EngineeringExperience: 4+ yearsSkills: ["Written communication","Self-direction","Security-minded engineering","Owning outcomes","Collaboration"]

Own end-to-end feature development across a React + TypeScript front end and Python/Node.js services, from technical design through production support. Build resilient data/design APIs, secure-by-default workflows, and AI-native product capabilities including LLM orchestration, agentic multi-step workflows, retrieval over engagement data, and structured output. Collaborate with security researchers and stakeholders, deploy containerized services with CI/CD and monitoring, and provide on-call operational ownership.

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FursaFursa
Halborn
Halborn
4 days ago

Full Stack Software Developer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 10 hours agoStatus: Live

Job Summary

Own end-to-end feature development across a React + TypeScript front end and Python/Node.js services, from technical design through production support. Build resilient data/design APIs, secure-by-default workflows, and AI-native product capabilities including LLM orchestration, agentic multi-step workflows, retrieval over engagement data, and structured output. Collaborate with security researchers and stakeholders, deploy containerized services with CI/CD and monitoring, and provide on-call operational ownership.
Location: Miami
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Design, build, and ship end-to-end features across React/TypeScript and Python/Node.js services, from technical design through production support.
  • •Model data and design APIs with clear contracts, sane migrations, and durable schemas that can evolve with changing requirements.
  • •Build AI-native product capabilities including LLM orchestration, agentic multi-step workflows, retrieval over engagement data, and structured output for downstream systems.
  • •Write secure code by default (input validation, authentication/authorization, secrets handling, dependency hygiene) and integrate security review into shipping.
  • •Deploy and operate what you build, including containerized services, cloud infrastructure, CI/CD pipelines, monitoring, and on-call ownership.

Key Requirements

  • •4+ years building and shipping production web applications with ownership across both front and back end.
  • •Strong React and TypeScript experience, including modern state management, component architecture, and CSS.
  • •Strong server-side skills in Python, Node.js, or both, with production experience designing REST or GraphQL APIs.
  • •Solid relational database experience (PostgreSQL preferred), including schema design, query performance, and migrations.
  • •Demonstrated AI-forward development, including integrating LLM APIs into real products and using AI coding assistants in the daily loop.
Experience:4+ yearsWeb applicationsAIBlockchainCybersecurityFintechCrypto
Skills:Written communicationSelf-directionSecurity-minded engineeringOwning outcomesCollaboration
Languages:English
Tech Stack:ReactTypeScriptPythonNode.jsRESTGraphQLPostgreSQLAWSGCPAzureDockerCI/CDAuthenticationAuthorizationLLM APIsLLM orchestrationAgentic workflowsRetrievalStructured outputEthers.js

Eligibility

Work Authorization:Authorization required. Sponsorship not provided.

Company Brief

Halborn
Provides blockchain and smart contract security services, including audits, incident response, and advisory services to crypto projects, DeFi platforms, and enterprises building on decentralized technologies.
Industry: Security Services
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Headquarters: Miami, United States
Website