#133115 - Senior Full-Stack Engineer - Data-Driven Workflow Applications
Contract
We are seeking a Senior Full-Stack Engineer to architect and build production web applications that connect data-backed services with intuitive frontend interfaces. The work will enable self-service operational processes, workflow automation, system integrations, and reliable data movement. As an early core engineer, this person will establish software foundations, deliver end-to-end solutions, and help raise engineering standards.
Key Responsibilities
- - Architect and build full-stack applications for data-driven operational workflows.
- - Develop backend APIs, microservices, workflow orchestration, automated triggers, and system synchronization.
- - Build production frontend experiences with React and TypeScript.
- - Establish architecture patterns, coding standards, and maintainable engineering practices as an early core team member.
- - Lead code reviews, guide peers, and contribute directly to hands-on implementation.
- - Diagnose reliability and performance issues across applications, services, integrations, and datastores.
- - Deliver measurable improvements to product capability, operational efficiency, or system quality.
Must-Have Skills
- - 5+ years of hands-on software development using Java or Python.
- - 5+ years building backend services, APIs, or other data-driven applications.
- - 5+ years working with datastores such as MySQL, PostgreSQL, MongoDB, or comparable technologies.
- - 4+ years building production applications with both React and TypeScript.
- - Experience with REST or GraphQL APIs, RPC-style communication, and JSON-based integrations.
- - Production cloud experience with a strong focus on AWS.
- - Experience leading code reviews and improving software quality.
- - Evidence of tangible impact from personally delivered engineering work.
- - A technical bachelor's degree.
- - Ability to operate as an early core engineer by shaping architecture, establishing coding standards, and guiding peers while remaining hands-on.
Nice-to-Have Skills
- - Service-oriented or event-driven architecture experience.
- - Frontend GraphQL experience, including Apollo or comparable tooling.
- - Experience with Kafka, Amazon SQS, RabbitMQ, or comparable messaging systems.
- - Design-system or reusable component-library experience.
- - Jest and React Testing Library experience.
- - Webpack or Vite experience.
- - Web accessibility experience, including WCAG.
- - Strong production debugging and troubleshooting experience.
- - Experience with large-scale or high-performance systems, including consistency, scalability, replication, or redundancy concerns.
- - Enterprise experience strongly preferred.
Required Tools and Platforms
- - Java or Python.
- - React and TypeScript.
- - REST or GraphQL, RPC, and JSON.
- - AWS.
- - MySQL, PostgreSQL, MongoDB, or comparable datastores.
Location Time and Engagement
- - Candidates must be based in LATAM.
- - Full US Central Time coverage is required.
- - This is a contract engagement at 40 hours per week.
- - The anticipated engagement runs through March 31, 2027.
- - This is not currently a contract-to-hire opportunity.
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