Senior Next Js Developer Jobs in Kansas (NOW HIRING)

Job Summary:
Koch is seeking an experienced Senior Full Stack Engineer to take technical ownership of key platform capabilities on their short code registry. The role involves leading the design and development of full stack features, collaborating with UX/UI designers, and mentoring junior engineers while leveraging expertise in AWS QuickSight for analytics.
Responsibilities:
• Lead design, development, and delivery of full stack features across frontend and backend layers
• Build responsive, accessible UI components using modern frameworks (React, Next.js)
• Develop and maintain RESTful APIs and microservices using Node.js / NestJS
• Collaborate with UX/UI designers to implement pixel-perfect, user-centric interfaces
• Drive code reviews, enforce engineering standards, and contribute to technical documentation
• Architect and develop embedded analytics dashboards using AWS QuickSight
• Design and build analytics-specific data models — including aggregated views, calculated fields, and purpose-built schemas — to unlock deeper business insights beyond operational data structures
• Manage QuickSight datasets, analyses, and SPICE capacity for optimal performance
• Integrate QuickSight with data sources such as Amazon RDS, Redshift, Athena, and S3
• Automate report generation and snapshot workflows via the QuickSight API
• Work closely with BAs and product owners to translate requirements into technical specs
• Contribute to sprint planning, estimation, and agile ceremonies
• Mentor junior engineers and promote best practices across the team
Qualifications:
Required:
• 5+ years of experience with React.js and modern JavaScript/TypeScript
• Proficiency with Next.js, component libraries (shadcn/ui, MUI etc), and CSS frameworks
• Strong understanding of state management, accessibility, and performance optimization
• 5+ years of experience building server-side applications with Node.js or similar backend frameworks
• Hands-on experience with NestJS or Express.js for REST API development
• Deep expertise with PostgreSQL — including schema design, query optimization, indexing strategies, and migrations
• Proficiency with a TypeScript-based ORM such as TypeORM or Prisma, including entity modeling and relation management
• Experience with authentication/authorization patterns (JWT, OAuth 2.0, HMAC, API keys)
• 3+ years of hands-on AWS experience across core services (EC2, RDS, S3, Lambda, IAM, Cognito)
• Demonstrated experience with AWS QuickSight — including embedded analytics, datasets, and RLS
• Familiarity with Terraform for infrastructure management
• Demonstrated ability to lead technical initiatives, make architecture decisions, and mentor other engineers
• Experience working in Agile/Scrum teams with tools like Jira / Confluence / Bitbucket
• Strong written and verbal communication skills; ability to work with non-technical stakeholders
• BS in Computer Science, Engineering, or equivalent practical experience
Preferred:
• Advanced Next.js experience including App Router, server components
• Proficiency with Next.js middleware, route handlers, and API layer patterns for multi-tenant SaaS applications
• Experience optimizing Next.js application performance — code splitting, lazy loading, and edge rendering strategies
• Deep understanding of Node.js runtime internals
• Experience building high-throughput, production-grade Node.js services with robust error handling and observability
• Familiarity with Node.js package ecosystems and best practices for dependency management and security hardening
• Hands-on NestJS experience including modular architecture, dependency injection, guards, interceptors, and pipes
• Experience building multi-tenant NestJS backends with role-based access control (RBAC)
• Familiarity with NestJS microservices patterns and integration with messaging systems (SQS, RabbitMQ)
• Advanced PostgreSQL skills including window functions, CTEs, materialized views, partitioning, and JSONB operations
• Experience designing multi-tenant database schemas with row-level security (RLS) and tenant-scoped indexing strategies
• Proficiency with PostgreSQL performance tuning — query planning (EXPLAIN ANALYZE), index optimization, and connection pooling
• Hands-on experience with Prisma for entity modeling, migrations, and relation management in TypeScript projects
• Proven experience embedding QuickSight dashboards in multi-tenant SaaS applications using namespace isolation and RLS
• Ability to design and build analytics-specific data models — including aggregated datasets, calculated fields, and SPICE-optimized schemas
• Experience integrating QuickSight with diverse AWS data sources including RDS, Redshift, Athena, and S3-backed data lakes
• Familiarity with QuickSight API automation for programmatic dashboard creation, snapshot scheduling, and user provisioning
• Understanding of QuickSight ML Insights features such as anomaly detection, forecasting, and narrative auto-generation
• Experience with multi-tenant SaaS architecture and tenant isolation patterns
• Prior experience in telecommunications, short code, or regulated industry platforms
Company:
Based in Wichita, Kansas, Koch is one of the largest private companies in America. Founded in 1940, the company is headquartered in Wichita, USA, with a team of 10001+ employees. The company is currently Late Stage.