
Senior Full Stack Engineer
Posted Oct 15

Posted Oct 15
This is a fully remote position, open to applicants in Florida.
β’ Evaluate the current production codebase for security vulnerabilities, scalability and performance issues, architectural risks, data protection challenges, and reliability concerns.
β’ Prioritize and implement practical enhancements to ensure a secure and stable public launch.
β’ Take responsibility for the platform's technical integrity and architecture, focusing on stability, security, scalability, reliability, and ongoing development.
β’ Manage features from data modeling and architecture through to implementation, testing, deployment, monitoring, and production support.
β’ Engage with the full stack, emphasizing backend development while also contributing to Vue.js frontend efforts.
β’ Act as the internal technical liaison to external engineering partners by reviewing architecture and code, validating deliverables, and ensuring all requirements are satisfied.
β’ Collaborate with the current platform engineer on technical knowledge transfer, covering architecture, codebase, environments, infrastructure, accounts, deployment, documentation, and operations.
β’ Oversee production readiness and technical operations, which includes monitoring, troubleshooting, incident response, release readiness, technical quality assurance, and escalating production issues.
β’ Design, automate, and execute functional, regression, load, and smoke testing.
β’ Identify and communicate technical risks effectively.
β’ Design and enhance relational data models, PostgreSQL schemas, queries, indexes, migrations, and Prisma models.
β’ Work across integrations such as Stripe Connect, LiveKit, Twilio, Zoom, Anthropic, and pgvector.
β’ Leverage AI coding agents to expedite development while ensuring correctness, reliability, security, and maintainability.
β’ Ideally, contribute to production AI architecture involving LLM integrations, RAG, agents, context management, retrieval, evaluation, and production reliability.
β’ 8 to 12+ years of experience in software engineering.
β’ Strong production experience with Vue.js.
β’ Extensive hands-on experience in relational database design.
β’ Experience with PostgreSQL is preferred.
β’ Familiarity with Nuxt and Prisma is a plus.
β’ Proven track record of owning significant portions of a production platform, encompassing backend architecture, databases, APIs and integrations, infrastructure, deployment, monitoring, troubleshooting, and production support.
β’ Experience in assessing production applications for security, scalability, reliability, and performance risks.
β’ Hands-on experience in identifying vulnerabilities, safeguarding sensitive customer data, diagnosing bottlenecks, and implementing practical enhancements.
β’ Strong depth in backend engineering.
β’ Experience in reviewing and validating the architecture, code quality, testing, security, scalability, and production readiness of engineers or external development partners.
β’ Ability to quickly comprehend and contribute to an existing codebase and its technical direction.
β’ Experience in ensuring production readiness, monitoring, incident troubleshooting, release processes, technical QA, and resolving critical production issues.
β’ Background in regulated industries or high-volume e-commerce is a bonus.
β’ Proven experience in utilizing AI coding agents within a production codebase.
β’ Production experience with AI/LLM architecture, including RAG, agents, context management, or model integrations, is a strong advantage.
β’ Highly organized and self-sufficient, capable of working independently and making sound technical decisions.
β’ Experience in startup environments with the ability to adapt to shifting priorities and assume increasing technical ownership.
β’ Proven ability to manage entire features and systems from architecture and data modeling through implementation, testing, deployment, monitoring, and ongoing production support.
β’ Must be available within at least 5β6 hours of an 8β5 or 9β6 MST schedule.
β’ This position is not available in California, New York, New Jersey, or Pennsylvania.
β’ Multiple medical insurance options.
β’ Employer contribution towards medical insurance premiums.
β’ Dental and vision insurance options.
β’ Supplemental life insurance.
β’ Voluntary short-term and long-term disability insurance.
β’ 15 days of PTO annually.
β’ 7 paid company holidays.
β’ Access to company-certified coaches and personal development opportunities.
β’ Opportunities to attend company live events.
β’ Travel and leisure membership benefits.
β’ Opportunity to transition into a full-time W2 position with benefits after 3 months, based on performance.
Cosuno
ECOMMERCE ONE
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