Sr. Software Engineer

Lucky Orange•Overland Park, KS

1d•Onsite

About The Position

Lucky Orange is seeking a Sr. Software Engineer to lead the development, management, and testing of its SDKs and external API ecosystem, including the flow of Lucky Orange data into AI tools through the Model Context Protocol (MCP). The role requires an infrastructure and architecture mindset and a focus on reliable, bidirectional data exchange between Lucky Orange and the platforms its customers use. The engineer will own customer-facing integrations from design and development through release, maintenance, and developer support. They will build and maintain API services and client-side SDKs, contribute to the React-based Shopify embedded app, and support external developers and partners with prototypes, guidance, troubleshooting, and documentation. The position is based in an office in Overland Park, Kansas, during typical weekday working hours and is not eligible for remote work.

Requirements

At least 5 years of professional software development experience, focused on building externally consumed APIs and SDKs and integrating third-party APIs.
Demonstrated expertise building an integrations ecosystem or working on multi-channel platforms.
Strong back-end skills in JavaScript, TypeScript, and Node.js.
Front-end development experience with React.
Strong knowledge of REST and GraphQL APIs for enterprise integrations, including OpenAPI.
Experience implementing authentication and authorization, including OAuth flows.
Experience designing and implementing rate limiting.
Experience managing large data sets.
Strong understanding of software architecture, distributed systems, and modern web technologies.
Excellent problem-solving, debugging, and analytical skills.
Exceptional written and verbal communication skills, including the ability to explain complex technical concepts through clear documentation.
Ability to work in an office setting in Overland Park, Kansas, during typical working hours, Monday through Friday, 9 a.m. to 5 p.m.

Nice To Haves

Experience with e-commerce platforms such as Shopify or BigCommerce, or marketing platforms such as HubSpot.
Experience with Vue.
Experience building or working with Model Context Protocol (MCP) servers.
Experience with Google Cloud Platform (GCP) and Kubernetes.
Experience with Buddy, CI/CD pipelines, and DevOps, plus exposure to developer enablement tooling.
Use of or familiarity with Lucky Orange software or other conversion rate optimization (CRO) tools.

Responsibilities

Own the customer-facing integration ecosystem, including APIs, SDKs, and related services, from design and development through release, maintenance, and developer support.
Architect and maintain a resilient API platform and core services that support data exchange with partner platforms, databases, and protocols.
Explore and optimize how Lucky Orange data flows into AI tools through the Model Context Protocol (MCP).
Build and maintain reliable client-side SDKs across platforms and user environments, improving them based on user feedback.
Contribute to the Shopify embedded app, which is built in React.
Support external developers and partners with prototypes, technical guidance, and troubleshooting.
Partner with stakeholders to design robust, efficient data flows aligned with business needs.
Lead improvements to tools, architecture, and infrastructure, including improvements to contractor engineer onboarding.
Write and maintain clear documentation for internal and external developers, integration partners, and contractors.
Keep the platform current with best practices in API design, SDK development, and security.