Top Software Engineer Jobs in Kansas City, MO

Lead design, development, and support of enterprise backend integrations. Build and enhance REST and SOAP APIs, evolve data/service models, develop scalable integration components, troubleshoot production issues, influence architecture, mentor engineers, perform design/code reviews, and collaborate with vendors and cross-functional teams to deliver reliable integrations.

Design, build and maintain Microsoft Cloud applications using Power Apps/Pages and Azure services. Implement Entra ID authentication, Azure Functions/App Services, Logic Apps and Blob storage. Create Azure Data Factory pipelines and APIs (REST/GraphQL), integrate external services and LLM data pipelines, and ensure performance, security, and scalability while collaborating with customers to turn requirements into streamlined apps.

Design, develop, and maintain scalable Python applications; collaborate with cross-functional teams to deliver features; ensure performance and quality; identify and fix bugs; maintain code quality and automation; lead and mentor team members using agile practices.

Designs and implements scalable software solutions as a Calypso SME, integrating Calypso with market utilities, developing Java/MQ/APIs, applying Agile best practices, conducting code/design reviews, and mentoring engineers.

Design, build, and maintain backend services and APIs using Ruby on Rails. Improve performance, scalability, reliability, and write well-tested production code. Collaborate with Product, Frontend, Data Engineering, and QA teams.

Build and operate production custody systems: signing service, key management, chain integrations, and transaction pipelines. Own end-to-end subsystems, integrate new chains, collaborate with cryptography on threshold signing and key recovery, write post-mortems, and produce clear async design docs and PRs.

Design, build, and maintain backend services and APIs using Ruby on Rails. Ensure performance, scalability, reliability, and test coverage. Collaborate with Product, Frontend, Data Engineering, and QA to deliver production-quality code for web and mobile platforms.

Lead the engineering organization to define vision, scale teams, and deliver enterprise-grade SaaS features. Ensure reliability, security, data integrity, and high-velocity execution across product squads while partnering with Product and Exec leadership on roadmap, architecture, and build-vs-buy decisions.

Design and lead Twilio-based communication architectures, mentor engineering teams, translate product requirements into scalable, secure SaaS solutions, integrate new Twilio features, and troubleshoot complex platform issues to ensure enterprise-grade reliability.

Develop, deploy, and maintain the UDS Registry and related tools (Pepr, Lula). Lead architecture and implementation, integrate with defense systems, participate in on-call rotation, contribute to open source, produce documentation, mentor engineers, and influence product direction with user-focused design.

Develop and maintain scalable web applications and reusable component libraries using Vue.js and Node.js. Lead testing strategy and infrastructure across unit, integration, and end-to-end levels, expanding automated test coverage with tools like Playwright, Cypress, Jest, or Vitest. Collaborate with cross-functional teams, drive CI/CD and code-quality best practices, troubleshoot and optimize application performance, and advocate modern software and quality engineering practices.

Architect, build, and maintain scalable full‑stack applications using React, TypeScript, Node.js, and AWS. Own features end-to-end, optimize performance and usability, collaborate with founders, and use AI tools to accelerate development in a fast-paced startup.

Build polished, maintainable React-based front-end product experiences; evolve front-end architecture and component patterns; translate ambiguous product ideas into executable plans; collaborate with product and design; prioritize UX quality, testing, and pragmatic tradeoffs; mentor and raise team effectiveness at the Staff level.