Top Software Engineer Jobs in Santa Cruz, CA

Lead the technical evolution of Kilo Code, a large-scale VS Code AI coding extension. Responsibilities include setting architecture and performance direction, building advanced AI-assisted workflows, optimizing startup time and memory usage, driving cross-team initiatives, mentoring engineers, owning production delivery, and establishing engineering standards for context optimization and LLM workflows. The role partners with Product and Design to shape roadmaps and requires hands-on technical leadership across a mature codebase serving millions of users.

Leads full-stack development of responsive, mission-critical web applications across the software development lifecycle. Analyzes, configures, and tunes applications; designs maintainable component solutions; establishes development standards; collaborates with integration, QA, operations, and business teams; and mentors junior engineers. The role requires expertise in modern web technologies, cloud platforms, Agile Scrum, and software design, testing, release, and operational support.

Build and ship Ori developer tools across CLI, Slack, desktop, and cloud surfaces. Develop multi-model agent runtimes with model switching, provider fallbacks, tool integrations, sandboxing, secrets management, session handling, and version-controlled agent state. Own the full product experience, including installation, authentication, reliability, observability, and evaluations. Collaborate with product, design, and platform teams while feeding platform requirements into OpenRouter APIs and SDKs.

Leads and manages software engineering teams, including hiring, mentoring, budgeting, planning, roadmap delivery, system design, and technical strategy. Oversees scalable, secure, compliant applications across multiple technology stacks, drives CI/CD, migrations, modernization, process improvement, and engineering best practices, and partners with product and cross-functional stakeholders to deliver high-quality customer-facing solutions.

Build and operate Numeral’s public API, MCP server, billing and ERP integrations, infrastructure, data pipelines, and platform services. Own projects from design through production, improve observability and reliability, automate deployment workflows, and contribute to architecture decisions. The role requires strong backend engineering, distributed systems knowledge, cloud and container experience, and a customer-focused approach to dependable financial automation.

Develop, configure, monitor, troubleshoot, and support healthcare data interfaces connecting EHR systems to health information exchange solutions. Responsibilities include HL7v2, FHIR, and C-CDA integration, onboarding data sources, interface migrations, SQL-based data analysis, documentation, QA, system upgrades, performance monitoring, and customer/vendor coordination.

Build and operate Numeral’s platform services, public API, MCP server, ERP and billing integrations, infrastructure, data pipelines, and developer interfaces. Own projects from technical design through production, improve observability and reliability, automate deployment workflows, and support scalable background jobs and APIs. Collaborate with product and engineering teams while applying distributed-systems principles and maintaining accurate, dependable financial-data workflows.

Lead architecture and reliability for a high-scale alerting platform. Design rule-based, ML-driven, and correlated detection systems; own Kafka-based event delivery, webhook reliability, idempotency, and sustained-load performance. Transform security and network telemetry into topology and dependency models that support LLM-assisted investigation and remediation. Provide cross-team technical leadership, mentor engineers, and guide long-term platform strategy across multiple alerting teams.

Leads Koalafi’s entire engineering organization, setting technical strategy, owning execution, architecture, data platforms, modernization, reliability, budget, and talent development. Partners with executive and cross-functional leaders to connect engineering decisions to growth, customer experience, efficiency, and risk. Drives hands-on AI adoption across engineering and the broader business, converting experiments into measurable outcomes. Oversees engineering leaders, organizational development, secure systems, delivery excellence, and long-term technology investment.

Own backend systems and infrastructure end-to-end, designing, deploying, and scaling performant APIs and services on AWS using Node.js and TypeScript. Deliver reliable production code quickly, establish engineering best practices, make architectural tradeoffs, and collaborate with product engineers and stakeholders. The role emphasizes system ownership, scalability, performance, reliability, and effective use of AI-assisted development tools.