Top Software Engineer Jobs in Kansas City, MO

The Senior Software Engineer designs and develops software applications, optimizes APIs and databases, collaborates with teams, and ensures code quality through various testing practices.

Design and build performant, accessible frontend solutions across web apps, email campaigns, kiosks, and interactive experiences. Collaborate with UX and backend teams, write maintainable tested code, drive test automation and performance optimization, maintain codebases, and mentor junior engineers.

Lead one or more engineering teams owning mission, execution, code quality, and morale. Partner with product managers on roadmaps, remove roadblocks, improve processes, coach and grow engineers, and drive innovation while delivering high-traffic full-stack or data applications at scale.

Design and build React-based applications, support component design and deployment practices, implement data storage and scalable performance optimizations, work with clients and technical leads, apply UI/UX principles, testing at all levels, collaborate on code reviews and agile delivery.

Build end-to-end production features across backend, frontend, and database. Integrate LLM APIs and agentic workflows into products and internal developer tools. Improve CI/CD, deployment, and developer infrastructure. Debug production issues on GCP and containerized services; participate in code reviews and architecture discussions on a small collaborative team.

Lead architecture and implementation of a high-performance OLAP query engine and semantic layer: design a JSON-based DSL and compiler, generate optimized SQL for columnar databases, build distributed caching, tune JVM and low-level performance, and provide technical leadership and documentation.

Lead iOS development for Thunderbird: design and improve mobile architecture, optimize performance and security, debug and test across unit/integration/automation, review and document technical decisions, own projects end-to-end, and collaborate with product, UX, and open-source contributors to deliver a scalable, accessible, and maintainable iOS app.

Primary Oracle DBA for a production RAC cluster with Data Guard standby. Own performance tuning, storage and capacity planning, patching/version management, backup/recovery, security hardening, and incident response. Lead index, execution-plan, and connection-pool optimization; support upgrades, APEX/ORDS deployment, environment refreshes, and infrastructure migration while documenting runbooks and collaborating with application and infrastructure teams.

Lead backend architecture and implementation for a healthcare scheduling platform rebuild: build FastAPI service controllers and Pydantic schemas, port legacy Python services to FastAPI/SQLAlchemy, own PressW-side cloud infrastructure (EKS, networking, IAM, observability), coordinate migrations and translation layers, drive code quality and testing, and mentor mid-level engineers.

Develop and implement HTML5 casino slot games from GDDs using TypeScript, PixiJS/Phaser and Spine. Create JIRA tickets, commit to GitLab, optimize performance, maintain tests and CI, collaborate with art, QA and producers, and deliver production-ready builds.